| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518251925202521252225232524252525262527252825292530253125322533253425352536253725382539254025412542254325442545254625472548254925502551255225532554255525562557255825592560256125622563256425652566256725682569257025712572257325742575257625772578257925802581258225832584258525862587258825892590259125922593259425952596259725982599260026012602260326042605260626072608260926102611261226132614261526162617261826192620262126222623262426252626262726282629263026312632263326342635263626372638263926402641264226432644264526462647264826492650265126522653265426552656265726582659266026612662266326642665266626672668266926702671267226732674267526762677267826792680268126822683268426852686268726882689269026912692269326942695269626972698269927002701270227032704270527062707270827092710271127122713271427152716271727182719272027212722272327242725272627272728272927302731273227332734273527362737273827392740274127422743274427452746274727482749275027512752275327542755275627572758275927602761276227632764276527662767276827692770277127722773277427752776277727782779278027812782278327842785278627872788278927902791279227932794279527962797279827992800280128022803280428052806280728082809281028112812281328142815281628172818281928202821282228232824282528262827282828292830283128322833283428352836283728382839284028412842284328442845284628472848284928502851285228532854285528562857285828592860286128622863286428652866286728682869287028712872287328742875287628772878287928802881288228832884288528862887288828892890289128922893289428952896289728982899290029012902290329042905290629072908290929102911291229132914291529162917291829192920292129222923292429252926292729282929293029312932293329342935293629372938293929402941294229432944294529462947294829492950295129522953295429552956295729582959296029612962296329642965296629672968296929702971297229732974297529762977297829792980298129822983298429852986298729882989299029912992299329942995299629972998299930003001300230033004300530063007300830093010301130123013301430153016301730183019302030213022302330243025302630273028302930303031303230333034303530363037303830393040304130423043304430453046304730483049305030513052305330543055305630573058305930603061306230633064306530663067306830693070307130723073307430753076307730783079308030813082308330843085308630873088308930903091309230933094309530963097309830993100310131023103310431053106310731083109311031113112311331143115311631173118311931203121312231233124312531263127312831293130313131323133313431353136313731383139314031413142314331443145314631473148314931503151315231533154315531563157315831593160316131623163316431653166316731683169317031713172317331743175317631773178317931803181318231833184318531863187318831893190319131923193319431953196319731983199320032013202320332043205320632073208320932103211321232133214321532163217321832193220322132223223322432253226322732283229323032313232323332343235323632373238323932403241324232433244324532463247324832493250325132523253325432553256325732583259326032613262326332643265326632673268326932703271327232733274327532763277327832793280328132823283328432853286328732883289329032913292329332943295329632973298329933003301330233033304330533063307330833093310331133123313331433153316331733183319332033213322332333243325332633273328332933303331333233333334333533363337333833393340334133423343334433453346334733483349335033513352335333543355335633573358335933603361336233633364336533663367336833693370337133723373337433753376337733783379338033813382338333843385338633873388338933903391339233933394339533963397339833993400340134023403340434053406340734083409341034113412341334143415341634173418341934203421342234233424342534263427342834293430343134323433343434353436343734383439344034413442344334443445344634473448344934503451345234533454345534563457345834593460346134623463346434653466346734683469347034713472347334743475347634773478347934803481348234833484348534863487348834893490349134923493349434953496349734983499350035013502350335043505350635073508350935103511351235133514351535163517351835193520352135223523352435253526352735283529353035313532353335343535353635373538353935403541354235433544354535463547354835493550355135523553355435553556355735583559356035613562356335643565356635673568356935703571357235733574357535763577357835793580358135823583358435853586358735883589359035913592359335943595359635973598359936003601360236033604360536063607360836093610361136123613361436153616361736183619362036213622362336243625362636273628362936303631363236333634363536363637363836393640364136423643364436453646364736483649365036513652365336543655365636573658365936603661366236633664366536663667366836693670367136723673367436753676367736783679368036813682368336843685368636873688368936903691369236933694369536963697369836993700370137023703370437053706370737083709371037113712371337143715371637173718371937203721372237233724372537263727372837293730373137323733373437353736373737383739374037413742374337443745374637473748374937503751375237533754375537563757375837593760376137623763376437653766376737683769377037713772377337743775377637773778377937803781378237833784378537863787378837893790379137923793379437953796379737983799380038013802380338043805380638073808380938103811381238133814381538163817381838193820382138223823382438253826382738283829383038313832383338343835383638373838383938403841384238433844384538463847384838493850385138523853385438553856385738583859386038613862386338643865386638673868386938703871387238733874387538763877387838793880388138823883388438853886388738883889389038913892389338943895389638973898389939003901390239033904390539063907390839093910391139123913391439153916391739183919392039213922392339243925392639273928392939303931393239333934393539363937393839393940394139423943394439453946394739483949395039513952395339543955395639573958395939603961396239633964396539663967396839693970397139723973397439753976397739783979398039813982398339843985398639873988398939903991399239933994399539963997399839994000400140024003400440054006400740084009401040114012401340144015401640174018401940204021402240234024402540264027402840294030403140324033403440354036403740384039404040414042404340444045404640474048404940504051405240534054405540564057405840594060406140624063406440654066406740684069407040714072407340744075407640774078407940804081408240834084408540864087408840894090409140924093409440954096409740984099410041014102410341044105410641074108410941104111411241134114411541164117411841194120412141224123412441254126412741284129413041314132413341344135413641374138413941404141414241434144414541464147414841494150415141524153415441554156415741584159416041614162416341644165416641674168416941704171417241734174417541764177417841794180418141824183418441854186418741884189419041914192419341944195419641974198419942004201420242034204420542064207420842094210421142124213421442154216421742184219422042214222422342244225422642274228422942304231423242334234423542364237423842394240424142424243424442454246424742484249425042514252425342544255425642574258425942604261426242634264426542664267426842694270427142724273427442754276427742784279428042814282428342844285428642874288428942904291429242934294429542964297429842994300430143024303430443054306430743084309431043114312431343144315431643174318431943204321432243234324432543264327432843294330433143324333433443354336433743384339434043414342434343444345434643474348434943504351435243534354435543564357435843594360436143624363436443654366436743684369437043714372437343744375437643774378437943804381438243834384438543864387438843894390439143924393439443954396439743984399440044014402440344044405440644074408440944104411441244134414441544164417441844194420442144224423442444254426442744284429443044314432443344344435443644374438443944404441444244434444444544464447444844494450445144524453445444554456445744584459446044614462446344644465446644674468446944704471447244734474447544764477447844794480448144824483448444854486448744884489449044914492449344944495449644974498449945004501450245034504450545064507450845094510451145124513451445154516451745184519452045214522452345244525452645274528452945304531453245334534453545364537453845394540454145424543454445454546454745484549455045514552455345544555455645574558455945604561456245634564456545664567456845694570457145724573457445754576457745784579458045814582458345844585458645874588458945904591459245934594459545964597459845994600460146024603460446054606460746084609461046114612461346144615461646174618461946204621462246234624462546264627462846294630463146324633463446354636463746384639464046414642464346444645464646474648464946504651465246534654465546564657465846594660466146624663466446654666466746684669467046714672467346744675467646774678467946804681468246834684468546864687468846894690469146924693469446954696469746984699470047014702470347044705470647074708470947104711471247134714471547164717471847194720472147224723472447254726472747284729473047314732473347344735473647374738473947404741474247434744474547464747474847494750475147524753475447554756475747584759476047614762476347644765476647674768476947704771477247734774477547764777477847794780478147824783478447854786478747884789479047914792479347944795479647974798479948004801480248034804480548064807480848094810481148124813481448154816481748184819482048214822482348244825482648274828482948304831483248334834483548364837483848394840484148424843484448454846484748484849485048514852485348544855485648574858485948604861486248634864486548664867486848694870487148724873487448754876487748784879488048814882488348844885488648874888488948904891489248934894489548964897489848994900490149024903490449054906490749084909491049114912491349144915491649174918491949204921492249234924492549264927492849294930493149324933493449354936493749384939494049414942494349444945494649474948494949504951495249534954495549564957495849594960496149624963496449654966496749684969497049714972497349744975497649774978497949804981498249834984498549864987498849894990499149924993499449954996499749984999500050015002500350045005500650075008500950105011501250135014501550165017501850195020502150225023502450255026502750285029503050315032503350345035503650375038503950405041504250435044504550465047504850495050505150525053505450555056505750585059506050615062506350645065506650675068506950705071507250735074507550765077507850795080508150825083508450855086508750885089509050915092509350945095509650975098509951005101510251035104510551065107510851095110511151125113511451155116511751185119512051215122512351245125512651275128512951305131513251335134513551365137513851395140514151425143514451455146514751485149515051515152515351545155515651575158515951605161516251635164516551665167516851695170517151725173517451755176517751785179518051815182518351845185518651875188518951905191519251935194519551965197519851995200520152025203520452055206520752085209521052115212521352145215521652175218521952205221522252235224522552265227522852295230523152325233523452355236523752385239524052415242524352445245524652475248524952505251525252535254525552565257525852595260526152625263526452655266526752685269527052715272527352745275527652775278527952805281528252835284528552865287528852895290529152925293529452955296529752985299530053015302530353045305530653075308530953105311531253135314531553165317531853195320532153225323532453255326532753285329533053315332533353345335533653375338533953405341534253435344534553465347534853495350535153525353535453555356535753585359536053615362536353645365536653675368536953705371537253735374537553765377537853795380538153825383538453855386538753885389539053915392539353945395539653975398539954005401540254035404540554065407540854095410541154125413541454155416541754185419542054215422542354245425542654275428542954305431543254335434543554365437543854395440544154425443544454455446544754485449545054515452545354545455545654575458545954605461546254635464546554665467546854695470547154725473547454755476547754785479548054815482548354845485548654875488548954905491549254935494549554965497549854995500550155025503550455055506550755085509551055115512551355145515551655175518551955205521552255235524552555265527552855295530553155325533553455355536553755385539554055415542554355445545554655475548554955505551555255535554555555565557555855595560556155625563556455655566556755685569557055715572557355745575557655775578557955805581558255835584558555865587558855895590559155925593559455955596559755985599560056015602560356045605560656075608560956105611561256135614561556165617561856195620562156225623562456255626562756285629563056315632563356345635563656375638563956405641564256435644564556465647564856495650565156525653565456555656565756585659566056615662566356645665566656675668566956705671567256735674567556765677567856795680568156825683568456855686568756885689569056915692569356945695569656975698569957005701570257035704570557065707570857095710571157125713571457155716571757185719572057215722572357245725572657275728572957305731573257335734573557365737573857395740574157425743574457455746574757485749575057515752575357545755575657575758575957605761576257635764576557665767576857695770577157725773577457755776577757785779578057815782578357845785578657875788578957905791579257935794579557965797579857995800580158025803580458055806580758085809581058115812581358145815581658175818581958205821582258235824582558265827582858295830583158325833583458355836583758385839584058415842584358445845584658475848584958505851585258535854585558565857585858595860586158625863586458655866586758685869587058715872587358745875587658775878587958805881588258835884588558865887588858895890589158925893589458955896589758985899590059015902590359045905590659075908590959105911591259135914591559165917591859195920592159225923592459255926592759285929593059315932593359345935593659375938593959405941594259435944594559465947594859495950595159525953595459555956595759585959596059615962596359645965596659675968596959705971597259735974597559765977597859795980598159825983598459855986598759885989599059915992599359945995599659975998599960006001600260036004600560066007600860096010601160126013601460156016601760186019602060216022602360246025602660276028602960306031603260336034603560366037603860396040604160426043604460456046604760486049605060516052605360546055605660576058605960606061606260636064606560666067606860696070607160726073607460756076607760786079608060816082608360846085608660876088608960906091609260936094609560966097609860996100610161026103610461056106610761086109611061116112611361146115611661176118611961206121612261236124612561266127612861296130613161326133613461356136613761386139614061416142614361446145614661476148614961506151615261536154615561566157615861596160616161626163616461656166616761686169617061716172617361746175617661776178617961806181618261836184618561866187618861896190619161926193619461956196619761986199620062016202620362046205620662076208620962106211621262136214621562166217621862196220622162226223622462256226622762286229623062316232623362346235623662376238623962406241624262436244624562466247624862496250625162526253625462556256625762586259626062616262626362646265626662676268626962706271627262736274627562766277627862796280628162826283628462856286628762886289629062916292629362946295629662976298629963006301630263036304630563066307630863096310631163126313631463156316631763186319632063216322632363246325632663276328632963306331633263336334633563366337633863396340634163426343634463456346634763486349635063516352635363546355635663576358635963606361636263636364636563666367636863696370637163726373637463756376637763786379638063816382638363846385638663876388638963906391639263936394639563966397639863996400640164026403640464056406640764086409641064116412641364146415641664176418641964206421642264236424642564266427642864296430643164326433643464356436643764386439644064416442644364446445644664476448644964506451645264536454645564566457645864596460646164626463646464656466646764686469647064716472647364746475647664776478647964806481648264836484648564866487648864896490649164926493649464956496649764986499650065016502650365046505650665076508650965106511651265136514651565166517651865196520652165226523652465256526652765286529653065316532653365346535653665376538653965406541654265436544654565466547654865496550655165526553655465556556655765586559656065616562656365646565656665676568656965706571657265736574657565766577657865796580658165826583658465856586658765886589659065916592659365946595659665976598659966006601660266036604660566066607660866096610661166126613661466156616661766186619662066216622662366246625662666276628662966306631663266336634663566366637663866396640664166426643664466456646664766486649665066516652665366546655665666576658665966606661666266636664666566666667666866696670667166726673667466756676667766786679668066816682668366846685668666876688668966906691669266936694669566966697669866996700670167026703670467056706670767086709671067116712671367146715671667176718671967206721672267236724672567266727672867296730673167326733673467356736673767386739674067416742674367446745674667476748674967506751675267536754675567566757675867596760676167626763676467656766676767686769677067716772677367746775677667776778677967806781678267836784678567866787678867896790679167926793679467956796679767986799680068016802680368046805680668076808680968106811681268136814681568166817681868196820682168226823682468256826682768286829683068316832683368346835683668376838683968406841684268436844684568466847684868496850685168526853685468556856685768586859686068616862686368646865686668676868686968706871687268736874687568766877687868796880688168826883688468856886688768886889689068916892689368946895689668976898689969006901690269036904690569066907690869096910691169126913691469156916691769186919692069216922692369246925692669276928692969306931693269336934693569366937693869396940694169426943694469456946694769486949695069516952695369546955695669576958695969606961696269636964696569666967696869696970697169726973697469756976697769786979698069816982698369846985698669876988698969906991699269936994699569966997699869997000700170027003700470057006700770087009701070117012701370147015701670177018701970207021702270237024702570267027702870297030703170327033703470357036703770387039704070417042704370447045704670477048704970507051705270537054705570567057705870597060706170627063706470657066706770687069707070717072707370747075707670777078707970807081708270837084708570867087708870897090709170927093709470957096709770987099710071017102710371047105710671077108710971107111711271137114711571167117711871197120712171227123712471257126712771287129713071317132 |
- /**
- ******************************************************************************
- * @file stm32f4xx_hal_cryp.c
- * @author MCD Application Team
- * @brief CRYP HAL module driver.
- * This file provides firmware functions to manage the following
- * functionalities of the Cryptography (CRYP) peripheral:
- * + Initialization, de-initialization, set config and get config functions
- * + DES/TDES, AES processing functions
- * + DMA callback functions
- * + CRYP IRQ handler management
- * + Peripheral State functions
- *
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2016 STMicroelectronics.
- * All rights reserved.
- *
- * This software is licensed under terms that can be found in the LICENSE file
- * in the root directory of this software component.
- * If no LICENSE file comes with this software, it is provided AS-IS.
- *
- ******************************************************************************
- @verbatim
- ==============================================================================
- ##### How to use this driver #####
- ==============================================================================
- [..]
- The CRYP HAL driver can be used in CRYP or TinyAES IP as follows:
- (#)Initialize the CRYP low level resources by implementing the HAL_CRYP_MspInit():
- (##) Enable the CRYP interface clock using __HAL_RCC_CRYP_CLK_ENABLE()or __HAL_RCC_AES_CLK_ENABLE for TinyAES IP
- (##) In case of using interrupts (e.g. HAL_CRYP_Encrypt_IT())
- (+++) Configure the CRYP interrupt priority using HAL_NVIC_SetPriority()
- (+++) Enable the CRYP IRQ handler using HAL_NVIC_EnableIRQ()
- (+++) In CRYP IRQ handler, call HAL_CRYP_IRQHandler()
- (##) In case of using DMA to control data transfer (e.g. HAL_CRYP_Encrypt_DMA())
- (+++) Enable the DMAx interface clock using __RCC_DMAx_CLK_ENABLE()
- (+++) Configure and enable two DMA streams one for managing data transfer from
- memory to peripheral (input stream) and another stream for managing data
- transfer from peripheral to memory (output stream)
- (+++) Associate the initialized DMA handle to the CRYP DMA handle
- using __HAL_LINKDMA()
- (+++) Configure the priority and enable the NVIC for the transfer complete
- interrupt on the two DMA Streams. The output stream should have higher
- priority than the input stream HAL_NVIC_SetPriority() and HAL_NVIC_EnableIRQ()
- (#)Initialize the CRYP according to the specified parameters :
- (##) The data type: 1-bit, 8-bit, 16-bit or 32-bit.
- (##) The key size: 128, 192 or 256.
- (##) The AlgoMode DES/ TDES Algorithm ECB/CBC or AES Algorithm ECB/CBC/CTR/GCM or CCM.
- (##) The initialization vector (counter). It is not used in ECB mode.
- (##) The key buffer used for encryption/decryption.
- (##) The Header used only in AES GCM and CCM Algorithm for authentication.
- (##) The HeaderSize The size of header buffer in word.
- (##) The B0 block is the first authentication block used only in AES CCM mode.
- (#)Three processing (encryption/decryption) functions are available:
- (##) Polling mode: encryption and decryption APIs are blocking functions
- i.e. they process the data and wait till the processing is finished,
- e.g. HAL_CRYP_Encrypt & HAL_CRYP_Decrypt
- (##) Interrupt mode: encryption and decryption APIs are not blocking functions
- i.e. they process the data under interrupt,
- e.g. HAL_CRYP_Encrypt_IT & HAL_CRYP_Decrypt_IT
- (##) DMA mode: encryption and decryption APIs are not blocking functions
- i.e. the data transfer is ensured by DMA,
- e.g. HAL_CRYP_Encrypt_DMA & HAL_CRYP_Decrypt_DMA
- (#)When the processing function is called at first time after HAL_CRYP_Init()
- the CRYP peripheral is configured and processes the buffer in input.
- At second call, no need to Initialize the CRYP, user have to get current configuration via
- HAL_CRYP_GetConfig() API, then only HAL_CRYP_SetConfig() is requested to set
- new parametres, finally user can start encryption/decryption.
- (#)Call HAL_CRYP_DeInit() to deinitialize the CRYP peripheral.
- (#)To process a single message with consecutive calls to HAL_CRYP_Encrypt() or HAL_CRYP_Decrypt()
- without having to configure again the Key or the Initialization Vector between each API call,
- the field KeyIVConfigSkip of the initialization structure must be set to CRYP_KEYIVCONFIG_ONCE.
- Same is true for consecutive calls of HAL_CRYP_Encrypt_IT(), HAL_CRYP_Decrypt_IT(), HAL_CRYP_Encrypt_DMA()
- or HAL_CRYP_Decrypt_DMA().
- [..]
- The cryptographic processor supports following standards:
- (#) The data encryption standard (DES) and Triple-DES (TDES) supported only by CRYP1 IP:
- (##)64-bit data block processing
- (##) chaining modes supported :
- (+++) Electronic Code Book(ECB)
- (+++) Cipher Block Chaining (CBC)
- (##) keys length supported :64-bit, 128-bit and 192-bit.
- (#) The advanced encryption standard (AES) supported by CRYP1 & TinyAES IP:
- (##)128-bit data block processing
- (##) chaining modes supported :
- (+++) Electronic Code Book(ECB)
- (+++) Cipher Block Chaining (CBC)
- (+++) Counter mode (CTR)
- (+++) Galois/counter mode (GCM/GMAC)
- (+++) Counter with Cipher Block Chaining-Message(CCM)
- (##) keys length Supported :
- (+++) for CRYP1 IP: 128-bit, 192-bit and 256-bit.
- (+++) for TinyAES IP: 128-bit and 256-bit
- [..] This section describes the AES Galois/counter mode (GCM) supported by both CRYP1 IP:
- (#) Algorithm supported :
- (##) Galois/counter mode (GCM)
- (##) Galois message authentication code (GMAC) :is exactly the same as
- GCM algorithm composed only by an header.
- (#) Four phases are performed in GCM :
- (##) Init phase: IP prepares the GCM hash subkey (H) and do the IV processing
- (##) Header phase: IP processes the Additional Authenticated Data (AAD), with hash
- computation only.
- (##) Payload phase: IP processes the plaintext (P) with hash computation + keystream
- encryption + data XORing. It works in a similar way for ciphertext (C).
- (##) Final phase: IP generates the authenticated tag (T) using the last block of data.
- (#) structure of message construction in GCM is defined as below :
- (##) 16 bytes Initial Counter Block (ICB)composed of IV and counter
- (##) The authenticated header A (also knows as Additional Authentication Data AAD)
- this part of the message is only authenticated, not encrypted.
- (##) The plaintext message P is both authenticated and encrypted as ciphertext.
- GCM standard specifies that ciphertext has same bit length as the plaintext.
- (##) The last block is composed of the length of A (on 64 bits) and the length of ciphertext
- (on 64 bits)
- [..] This section describe The AES Counter with Cipher Block Chaining-Message
- Authentication Code (CCM) supported by both CRYP1 IP:
- (#) Specific parameters for CCM :
- (##) B0 block : According to NIST Special Publication 800-38C,
- The first block B0 is formatted as follows, where l(m) is encoded in
- most-significant-byte first order(see below table 3)
- (+++) Q: a bit string representation of the octet length of P (plaintext)
- (+++) q The octet length of the binary representation of the octet length of the payload
- (+++) A nonce (N), n The octet length of the where n+q=15.
- (+++) Flags: most significant octet containing four flags for control information,
- (+++) t The octet length of the MAC.
- (##) B1 block (header) : associated data length(a) concatenated with Associated Data (A)
- the associated data length expressed in bytes (a) defined as below:
- (+++) If 0 < a < 216-28, then it is encoded as [a]16, i.e. two octets
- (+++) If 216-28 < a < 232, then it is encoded as 0xff || 0xfe || [a]32, i.e. six octets
- (+++) If 232 < a < 264, then it is encoded as 0xff || 0xff || [a]64, i.e. ten octets
- (##) CTRx block : control blocks
- (+++) Generation of CTR1 from first block B0 information :
- equal to B0 with first 5 bits zeroed and most significant bits storing octet
- length of P also zeroed, then incremented by one ( see below Table 4)
- (+++) Generation of CTR0: same as CTR1 with bit[0] set to zero.
- (#) Four phases are performed in CCM for CRYP1 IP:
- (##) Init phase: IP prepares the GCM hash subkey (H) and do the IV processing
- (##) Header phase: IP processes the Additional Authenticated Data (AAD), with hash
- computation only.
- (##) Payload phase: IP processes the plaintext (P) with hash computation + keystream
- encryption + data XORing. It works in a similar way for ciphertext (C).
- (##) Final phase: IP generates the authenticated tag (T) using the last block of data.
- *** Callback registration ***
- =============================================
- The compilation define USE_HAL_CRYP_REGISTER_CALLBACKS when set to 1
- allows the user to configure dynamically the driver callbacks.
- Use Functions HAL_CRYP_RegisterCallback() or HAL_CRYP_RegisterXXXCallback()
- to register an interrupt callback.
- Function HAL_CRYP_RegisterCallback() allows to register following callbacks:
- (+) InCpltCallback : Input FIFO transfer completed callback.
- (+) OutCpltCallback : Output FIFO transfer completed callback.
- (+) ErrorCallback : callback for error detection.
- (+) MspInitCallback : CRYP MspInit.
- (+) MspDeInitCallback : CRYP MspDeInit.
- This function takes as parameters the HAL peripheral handle, the Callback ID
- and a pointer to the user callback function.
- Use function HAL_CRYP_UnRegisterCallback() to reset a callback to the default
- weak function.
- HAL_CRYP_UnRegisterCallback() takes as parameters the HAL peripheral handle,
- and the Callback ID.
- This function allows to reset following callbacks:
- (+) InCpltCallback : Input FIFO transfer completed callback.
- (+) OutCpltCallback : Output FIFO transfer completed callback.
- (+) ErrorCallback : callback for error detection.
- (+) MspInitCallback : CRYP MspInit.
- (+) MspDeInitCallback : CRYP MspDeInit.
- By default, after the HAL_CRYP_Init() and when the state is HAL_CRYP_STATE_RESET
- all callbacks are set to the corresponding weak functions :
- examples HAL_CRYP_InCpltCallback() , HAL_CRYP_OutCpltCallback().
- Exception done for MspInit and MspDeInit functions that are
- reset to the legacy weak function in the HAL_CRYP_Init()/ HAL_CRYP_DeInit() only when
- these callbacks are null (not registered beforehand).
- if not, MspInit or MspDeInit are not null, the HAL_CRYP_Init() / HAL_CRYP_DeInit()
- keep and use the user MspInit/MspDeInit functions (registered beforehand)
- Callbacks can be registered/unregistered in HAL_CRYP_STATE_READY state only.
- Exception done MspInit/MspDeInit callbacks that can be registered/unregistered
- in HAL_CRYP_STATE_READY or HAL_CRYP_STATE_RESET state,
- thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit.
- In that case first register the MspInit/MspDeInit user callbacks
- using HAL_CRYP_RegisterCallback() before calling HAL_CRYP_DeInit()
- or HAL_CRYP_Init() function.
- When The compilation define USE_HAL_CRYP_REGISTER_CALLBACKS is set to 0 or
- not defined, the callback registration feature is not available and all callbacks
- are set to the corresponding weak functions.
- Table 1. Initial Counter Block (ICB)
- +-------------------------------------------------------+
- | Initialization vector (IV) | Counter |
- |----------------|----------------|-----------|---------|
- 127 95 63 31 0
- Bit Number Register Contents
- ---------- --------------- -----------
- 127 ...96 CRYP_IV1R[31:0] ICB[127:96]
- 95 ...64 CRYP_IV1L[31:0] B0[95:64]
- 63 ... 32 CRYP_IV0R[31:0] ICB[63:32]
- 31 ... 0 CRYP_IV0L[31:0] ICB[31:0], where 32-bit counter= 0x2
- Table 2. GCM last block definition
- +-------------------------------------------------------------------+
- | Bit[0] | Bit[32] | Bit[64] | Bit[96] |
- |-----------|--------------------|-----------|----------------------|
- | 0x0 | Header length[31:0]| 0x0 | Payload length[31:0] |
- |-----------|--------------------|-----------|----------------------|
- Table 3. B0 block
- Octet Number Contents
- ------------ ---------
- 0 Flags
- 1 ... 15-q Nonce N
- 16-q ... 15 Q
- the Flags field is formatted as follows:
- Bit Number Contents
- ---------- ----------------------
- 7 Reserved (always zero)
- 6 Adata
- 5 ... 3 (t-2)/2
- 2 ... 0 [q-1]3
- Table 4. CTRx block
- Bit Number Register Contents
- ---------- --------------- -----------
- 127 ...96 CRYP_IV1R[31:0] B0[127:96], where Q length bits are set to 0, except for
- bit 0 that is set to 1
- 95 ...64 CRYP_IV1L[31:0] B0[95:64]
- 63 ... 32 CRYP_IV0R[31:0] B0[63:32]
- 31 ... 0 CRYP_IV0L[31:0] B0[31:0], where flag bits set to 0
- @endverbatim
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "stm32f4xx_hal.h"
- /** @addtogroup STM32F4xx_HAL_Driver
- * @{
- */
- #if defined (AES) || defined (CRYP)
- /** @defgroup CRYP CRYP
- * @brief CRYP HAL module driver.
- * @{
- */
- #ifdef HAL_CRYP_MODULE_ENABLED
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /** @addtogroup CRYP_Private_Defines
- * @{
- */
- #define CRYP_TIMEOUT_KEYPREPARATION 82U /*The latency of key preparation operation is 82 clock cycles.*/
- #define CRYP_TIMEOUT_GCMCCMINITPHASE 299U /* The latency of GCM/CCM init phase to prepare hash subkey is 299 clock cycles.*/
- #define CRYP_TIMEOUT_GCMCCMHEADERPHASE 290U /* The latency of GCM/CCM header phase is 290 clock cycles.*/
- #define CRYP_PHASE_READY 0x00000001U /*!< CRYP peripheral is ready for initialization. */
- #define CRYP_PHASE_PROCESS 0x00000002U /*!< CRYP peripheral is in processing phase */
- #if defined(AES)
- #define CRYP_OPERATINGMODE_ENCRYPT 0x00000000U /*!< Encryption mode(Mode 1) */
- #define CRYP_OPERATINGMODE_KEYDERIVATION AES_CR_MODE_0 /*!< Key derivation mode only used when performing ECB and CBC decryptions (Mode 2) */
- #define CRYP_OPERATINGMODE_DECRYPT AES_CR_MODE_1 /*!< Decryption (Mode 3) */
- #define CRYP_OPERATINGMODE_KEYDERIVATION_DECRYPT AES_CR_MODE /*!< Key derivation and decryption only used when performing ECB and CBC decryptions (Mode 4) */
- #define CRYP_PHASE_INIT 0x00000000U /*!< GCM/GMAC (or CCM) init phase */
- #define CRYP_PHASE_HEADER AES_CR_GCMPH_0 /*!< GCM/GMAC or CCM header phase */
- #define CRYP_PHASE_PAYLOAD AES_CR_GCMPH_1 /*!< GCM(/CCM) payload phase */
- #define CRYP_PHASE_FINAL AES_CR_GCMPH /*!< GCM/GMAC or CCM final phase */
- #else /* CRYP */
- #define CRYP_PHASE_INIT 0x00000000U /*!< GCM/GMAC (or CCM) init phase */
- #define CRYP_PHASE_HEADER CRYP_CR_GCM_CCMPH_0 /*!< GCM/GMAC or CCM header phase */
- #define CRYP_PHASE_PAYLOAD CRYP_CR_GCM_CCMPH_1 /*!< GCM(/CCM) payload phase */
- #define CRYP_PHASE_FINAL CRYP_CR_GCM_CCMPH /*!< GCM/GMAC or CCM final phase */
- #define CRYP_OPERATINGMODE_ENCRYPT 0x00000000U /*!< Encryption mode */
- #define CRYP_OPERATINGMODE_DECRYPT CRYP_CR_ALGODIR /*!< Decryption */
- #endif /* End CRYP or AES */
- /* CTR1 information to use in CCM algorithm */
- #define CRYP_CCM_CTR1_0 0x07FFFFFFU
- #define CRYP_CCM_CTR1_1 0xFFFFFF00U
- #define CRYP_CCM_CTR1_2 0x00000001U
- /**
- * @}
- */
- /* Private macro -------------------------------------------------------------*/
- /** @addtogroup CRYP_Private_Macros
- * @{
- */
- #if defined(CRYP)
- #define CRYP_SET_PHASE(__HANDLE__, __PHASE__) do{(__HANDLE__)->Instance->CR &= (uint32_t)(~CRYP_CR_GCM_CCMPH);\
- (__HANDLE__)->Instance->CR |= (uint32_t)(__PHASE__);\
- }while(0)
- #define HAL_CRYP_FIFO_FLUSH(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRYP_CR_FFLUSH)
- #else /*AES*/
- #define CRYP_SET_PHASE(__HANDLE__, __PHASE__) do{(__HANDLE__)->Instance->CR &= (uint32_t)(~AES_CR_GCMPH);\
- (__HANDLE__)->Instance->CR |= (uint32_t)(__PHASE__);\
- }while(0)
- #endif /* End AES or CRYP*/
- /**
- * @}
- */
- /* Private struct -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- /* Private function prototypes -----------------------------------------------*/
- /** @addtogroup CRYP_Private_Functions_prototypes
- * @{
- */
- static void CRYP_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr);
- static void CRYP_DMAInCplt(DMA_HandleTypeDef *hdma);
- static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma);
- static void CRYP_DMAError(DMA_HandleTypeDef *hdma);
- static void CRYP_SetKey(CRYP_HandleTypeDef *hcryp, uint32_t KeySize);
- static void CRYP_AES_IT(CRYP_HandleTypeDef *hcryp);
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)|| defined (AES)
- static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static void CRYP_GCMCCM_SetPayloadPhase_IT(CRYP_HandleTypeDef *hcryp);
- static void CRYP_GCMCCM_SetHeaderPhase_IT(CRYP_HandleTypeDef *hcryp);
- static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase_DMA(CRYP_HandleTypeDef *hcryp);
- static void CRYP_Workaround(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_AESGCM_Process_DMA(CRYP_HandleTypeDef *hcryp);
- static HAL_StatusTypeDef CRYP_AESGCM_Process_IT(CRYP_HandleTypeDef *hcryp);
- static HAL_StatusTypeDef CRYP_AESGCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_AESCCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_AESCCM_Process_IT(CRYP_HandleTypeDef *hcryp);
- static HAL_StatusTypeDef CRYP_AESCCM_Process_DMA(CRYP_HandleTypeDef *hcryp);
- #endif /* AES or GCM CCM defined*/
- static void CRYP_AES_ProcessData(CRYP_HandleTypeDef *hcrypt, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_AES_Encrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_AES_Decrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_AES_Decrypt_IT(CRYP_HandleTypeDef *hcryp);
- static HAL_StatusTypeDef CRYP_AES_Encrypt_IT(CRYP_HandleTypeDef *hcryp);
- static HAL_StatusTypeDef CRYP_AES_Decrypt_DMA(CRYP_HandleTypeDef *hcryp);
- #if defined (CRYP)
- static void CRYP_TDES_IT(CRYP_HandleTypeDef *hcryp);
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- static HAL_StatusTypeDef CRYP_WaitOnIFEMFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- #endif /* GCM CCM defined*/
- static HAL_StatusTypeDef CRYP_WaitOnBUSYFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_WaitOnOFNEFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- static HAL_StatusTypeDef CRYP_TDES_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- #else /*AES*/
- static HAL_StatusTypeDef CRYP_WaitOnCCFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout);
- #endif /* End CRYP or AES */
- /**
- * @}
- */
- /* Exported functions ---------------------------------------------------------*/
- /** @defgroup CRYP_Exported_Functions CRYP Exported Functions
- * @{
- */
- /** @defgroup CRYP_Exported_Functions_Group1 Initialization and de-initialization functions
- * @brief Initialization and Configuration functions.
- *
- @verbatim
- ========================================================================================
- ##### Initialization, de-initialization and Set and Get configuration functions #####
- ========================================================================================
- [..] This section provides functions allowing to:
- (+) Initialize the CRYP
- (+) DeInitialize the CRYP
- (+) Initialize the CRYP MSP
- (+) DeInitialize the CRYP MSP
- (+) configure CRYP (HAL_CRYP_SetConfig) with the specified parameters in the CRYP_ConfigTypeDef
- Parameters which are configured in This section are :
- (+) Key size
- (+) Data Type : 32,16, 8 or 1bit
- (+) AlgoMode :
- - for CRYP1 IP :
- ECB and CBC in DES/TDES Standard
- ECB,CBC,CTR,GCM/GMAC and CCM in AES Standard.
- - for TinyAES2 IP, only ECB,CBC,CTR,GCM/GMAC and CCM in AES Standard are supported.
- (+) Get CRYP configuration (HAL_CRYP_GetConfig) from the specified parameters in the CRYP_HandleTypeDef
- @endverbatim
- * @{
- */
- /**
- * @brief Initializes the CRYP according to the specified
- * parameters in the CRYP_ConfigTypeDef and creates the associated handle.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_Init(CRYP_HandleTypeDef *hcryp)
- {
- /* Check the CRYP handle allocation */
- if (hcryp == NULL)
- {
- return HAL_ERROR;
- }
- /* Check parameters */
- assert_param(IS_CRYP_KEYSIZE(hcryp->Init.KeySize));
- assert_param(IS_CRYP_DATATYPE(hcryp->Init.DataType));
- assert_param(IS_CRYP_ALGORITHM(hcryp->Init.Algorithm));
- assert_param(IS_CRYP_INIT(hcryp->Init.KeyIVConfigSkip));
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- if (hcryp->State == HAL_CRYP_STATE_RESET)
- {
- /* Allocate lock resource and initialize it */
- hcryp->Lock = HAL_UNLOCKED;
- hcryp->InCpltCallback = HAL_CRYP_InCpltCallback; /* Legacy weak InCpltCallback */
- hcryp->OutCpltCallback = HAL_CRYP_OutCpltCallback; /* Legacy weak OutCpltCallback */
- hcryp->ErrorCallback = HAL_CRYP_ErrorCallback; /* Legacy weak ErrorCallback */
- if (hcryp->MspInitCallback == NULL)
- {
- hcryp->MspInitCallback = HAL_CRYP_MspInit; /* Legacy weak MspInit */
- }
- /* Init the low level hardware */
- hcryp->MspInitCallback(hcryp);
- }
- #else
- if (hcryp->State == HAL_CRYP_STATE_RESET)
- {
- /* Allocate lock resource and initialize it */
- hcryp->Lock = HAL_UNLOCKED;
- /* Init the low level hardware */
- HAL_CRYP_MspInit(hcryp);
- }
- #endif /* (USE_HAL_CRYP_REGISTER_CALLBACKS) */
- /* Set the key size(This bit field is don't care in the DES or TDES modes) data type and Algorithm */
- #if defined (CRYP)
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_DATATYPE | CRYP_CR_KEYSIZE | CRYP_CR_ALGOMODE,
- hcryp->Init.DataType | hcryp->Init.KeySize | hcryp->Init.Algorithm);
- #else /*AES*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE | AES_CR_KEYSIZE | AES_CR_CHMOD,
- hcryp->Init.DataType | hcryp->Init.KeySize | hcryp->Init.Algorithm);
- #endif /* End AES or CRYP*/
- /* Reset Error Code field */
- hcryp->ErrorCode = HAL_CRYP_ERROR_NONE;
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Set the default CRYP phase */
- hcryp->Phase = CRYP_PHASE_READY;
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief De-Initializes the CRYP peripheral.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_DeInit(CRYP_HandleTypeDef *hcryp)
- {
- /* Check the CRYP handle allocation */
- if (hcryp == NULL)
- {
- return HAL_ERROR;
- }
- /* Set the default CRYP phase */
- hcryp->Phase = CRYP_PHASE_READY;
- /* Reset CrypInCount and CrypOutCount */
- hcryp->CrypInCount = 0;
- hcryp->CrypOutCount = 0;
- hcryp->CrypHeaderCount = 0;
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- if (hcryp->MspDeInitCallback == NULL)
- {
- hcryp->MspDeInitCallback = HAL_CRYP_MspDeInit; /* Legacy weak MspDeInit */
- }
- /* DeInit the low level hardware */
- hcryp->MspDeInitCallback(hcryp);
- #else
- /* DeInit the low level hardware: CLOCK, NVIC.*/
- HAL_CRYP_MspDeInit(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_RESET;
- /* Release Lock */
- __HAL_UNLOCK(hcryp);
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Configure the CRYP according to the specified
- * parameters in the CRYP_ConfigTypeDef
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure
- * @param pConf: pointer to a CRYP_ConfigTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_SetConfig(CRYP_HandleTypeDef *hcryp, CRYP_ConfigTypeDef *pConf)
- {
- /* Check the CRYP handle allocation */
- if ((hcryp == NULL) || (pConf == NULL))
- {
- return HAL_ERROR;
- }
- /* Check parameters */
- assert_param(IS_CRYP_KEYSIZE(pConf->KeySize));
- assert_param(IS_CRYP_DATATYPE(pConf->DataType));
- assert_param(IS_CRYP_ALGORITHM(pConf->Algorithm));
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Set CRYP parameters */
- hcryp->Init.DataType = pConf->DataType;
- hcryp->Init.pKey = pConf->pKey;
- hcryp->Init.Algorithm = pConf->Algorithm;
- hcryp->Init.KeySize = pConf->KeySize;
- hcryp->Init.pInitVect = pConf->pInitVect;
- hcryp->Init.Header = pConf->Header;
- hcryp->Init.HeaderSize = pConf->HeaderSize;
- hcryp->Init.B0 = pConf->B0;
- hcryp->Init.DataWidthUnit = pConf->DataWidthUnit;
- hcryp->Init.KeyIVConfigSkip = pConf->KeyIVConfigSkip;
- hcryp->Init.HeaderWidthUnit = pConf->HeaderWidthUnit;
- /* Set the key size(This bit field is don't care in the DES or TDES modes) data type, AlgoMode and operating mode*/
- #if defined (CRYP)
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_DATATYPE | CRYP_CR_KEYSIZE | CRYP_CR_ALGOMODE,
- hcryp->Init.DataType | hcryp->Init.KeySize | hcryp->Init.Algorithm);
- #else /*AES*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE | AES_CR_KEYSIZE | AES_CR_CHMOD,
- hcryp->Init.DataType | hcryp->Init.KeySize | hcryp->Init.Algorithm);
- /*clear error flags*/
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_ERR_CLEAR);
- #endif /* End AES or CRYP */
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- /* Reset Error Code field */
- hcryp->ErrorCode = HAL_CRYP_ERROR_NONE;
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Set the default CRYP phase */
- hcryp->Phase = CRYP_PHASE_READY;
- /* Return function status */
- return HAL_OK;
- }
- else
- {
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- return HAL_ERROR;
- }
- }
- /**
- * @brief Get CRYP Configuration parameters in associated handle.
- * @param pConf: pointer to a CRYP_ConfigTypeDef structure
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_GetConfig(CRYP_HandleTypeDef *hcryp, CRYP_ConfigTypeDef *pConf)
- {
- /* Check the CRYP handle allocation */
- if ((hcryp == NULL) || (pConf == NULL))
- {
- return HAL_ERROR;
- }
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Get CRYP parameters */
- pConf->DataType = hcryp->Init.DataType;
- pConf->pKey = hcryp->Init.pKey;
- pConf->Algorithm = hcryp->Init.Algorithm;
- pConf->KeySize = hcryp->Init.KeySize ;
- pConf->pInitVect = hcryp->Init.pInitVect;
- pConf->Header = hcryp->Init.Header ;
- pConf->HeaderSize = hcryp->Init.HeaderSize;
- pConf->B0 = hcryp->Init.B0;
- pConf->DataWidthUnit = hcryp->Init.DataWidthUnit;
- pConf->KeyIVConfigSkip = hcryp->Init.KeyIVConfigSkip;
- pConf->HeaderWidthUnit = hcryp->Init.HeaderWidthUnit;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Return function status */
- return HAL_OK;
- }
- else
- {
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- return HAL_ERROR;
- }
- }
- /**
- * @brief Initializes the CRYP MSP.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval None
- */
- __weak void HAL_CRYP_MspInit(CRYP_HandleTypeDef *hcryp)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hcryp);
- /* NOTE : This function should not be modified, when the callback is needed,
- the HAL_CRYP_MspInit can be implemented in the user file
- */
- }
- /**
- * @brief DeInitializes CRYP MSP.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval None
- */
- __weak void HAL_CRYP_MspDeInit(CRYP_HandleTypeDef *hcryp)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hcryp);
- /* NOTE : This function should not be modified, when the callback is needed,
- the HAL_CRYP_MspDeInit can be implemented in the user file
- */
- }
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /**
- * @brief Register a User CRYP Callback
- * To be used instead of the weak predefined callback
- * @param hcryp cryp handle
- * @param CallbackID ID of the callback to be registered
- * This parameter can be one of the following values:
- * @arg @ref HAL_CRYP_INPUT_COMPLETE_CB_ID Input FIFO transfer completed callback ID
- * @arg @ref HAL_CRYP_OUTPUT_COMPLETE_CB_ID Output FIFO transfer completed callback ID
- * @arg @ref HAL_CRYP_ERROR_CB_ID Error callback ID
- * @arg @ref HAL_CRYP_MSPINIT_CB_ID MspInit callback ID
- * @arg @ref HAL_CRYP_MSPDEINIT_CB_ID MspDeInit callback ID
- * @param pCallback pointer to the Callback function
- * @retval status
- */
- HAL_StatusTypeDef HAL_CRYP_RegisterCallback(CRYP_HandleTypeDef *hcryp, HAL_CRYP_CallbackIDTypeDef CallbackID,
- pCRYP_CallbackTypeDef pCallback)
- {
- HAL_StatusTypeDef status = HAL_OK;
- if (pCallback == NULL)
- {
- /* Update the error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
- return HAL_ERROR;
- }
- /* Process locked */
- __HAL_LOCK(hcryp);
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- switch (CallbackID)
- {
- case HAL_CRYP_INPUT_COMPLETE_CB_ID :
- hcryp->InCpltCallback = pCallback;
- break;
- case HAL_CRYP_OUTPUT_COMPLETE_CB_ID :
- hcryp->OutCpltCallback = pCallback;
- break;
- case HAL_CRYP_ERROR_CB_ID :
- hcryp->ErrorCallback = pCallback;
- break;
- case HAL_CRYP_MSPINIT_CB_ID :
- hcryp->MspInitCallback = pCallback;
- break;
- case HAL_CRYP_MSPDEINIT_CB_ID :
- hcryp->MspDeInitCallback = pCallback;
- break;
- default :
- /* Update the error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
- /* Return error status */
- status = HAL_ERROR;
- break;
- }
- }
- else if (hcryp->State == HAL_CRYP_STATE_RESET)
- {
- switch (CallbackID)
- {
- case HAL_CRYP_MSPINIT_CB_ID :
- hcryp->MspInitCallback = pCallback;
- break;
- case HAL_CRYP_MSPDEINIT_CB_ID :
- hcryp->MspDeInitCallback = pCallback;
- break;
- default :
- /* Update the error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
- /* Return error status */
- status = HAL_ERROR;
- break;
- }
- }
- else
- {
- /* Update the error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
- /* Return error status */
- status = HAL_ERROR;
- }
- /* Release Lock */
- __HAL_UNLOCK(hcryp);
- return status;
- }
- /**
- * @brief Unregister an CRYP Callback
- * CRYP callback is redirected to the weak predefined callback
- * @param hcryp cryp handle
- * @param CallbackID ID of the callback to be unregistered
- * This parameter can be one of the following values:
- * @arg @ref HAL_CRYP_INPUT_COMPLETE_CB_ID Input FIFO transfer completed callback ID
- * @arg @ref HAL_CRYP_OUTPUT_COMPLETE_CB_ID Output FIFO transfer completed callback ID
- * @arg @ref HAL_CRYP_ERROR_CB_ID Error callback ID
- * @arg @ref HAL_CRYP_MSPINIT_CB_ID MspInit callback ID
- * @arg @ref HAL_CRYP_MSPDEINIT_CB_ID MspDeInit callback ID
- * @retval status
- */
- HAL_StatusTypeDef HAL_CRYP_UnRegisterCallback(CRYP_HandleTypeDef *hcryp, HAL_CRYP_CallbackIDTypeDef CallbackID)
- {
- HAL_StatusTypeDef status = HAL_OK;
- /* Process locked */
- __HAL_LOCK(hcryp);
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- switch (CallbackID)
- {
- case HAL_CRYP_INPUT_COMPLETE_CB_ID :
- hcryp->InCpltCallback = HAL_CRYP_InCpltCallback; /* Legacy weak InCpltCallback */
- break;
- case HAL_CRYP_OUTPUT_COMPLETE_CB_ID :
- hcryp->OutCpltCallback = HAL_CRYP_OutCpltCallback; /* Legacy weak OutCpltCallback */
- break;
- case HAL_CRYP_ERROR_CB_ID :
- hcryp->ErrorCallback = HAL_CRYP_ErrorCallback; /* Legacy weak ErrorCallback */
- break;
- case HAL_CRYP_MSPINIT_CB_ID :
- hcryp->MspInitCallback = HAL_CRYP_MspInit;
- break;
- case HAL_CRYP_MSPDEINIT_CB_ID :
- hcryp->MspDeInitCallback = HAL_CRYP_MspDeInit;
- break;
- default :
- /* Update the error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
- /* Return error status */
- status = HAL_ERROR;
- break;
- }
- }
- else if (hcryp->State == HAL_CRYP_STATE_RESET)
- {
- switch (CallbackID)
- {
- case HAL_CRYP_MSPINIT_CB_ID :
- hcryp->MspInitCallback = HAL_CRYP_MspInit;
- break;
- case HAL_CRYP_MSPDEINIT_CB_ID :
- hcryp->MspDeInitCallback = HAL_CRYP_MspDeInit;
- break;
- default :
- /* Update the error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
- /* Return error status */
- status = HAL_ERROR;
- break;
- }
- }
- else
- {
- /* Update the error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_INVALID_CALLBACK;
- /* Return error status */
- status = HAL_ERROR;
- }
- /* Release Lock */
- __HAL_UNLOCK(hcryp);
- return status;
- }
- #endif /* USE_HAL_UART_REGISTER_CALLBACKS */
- /**
- * @}
- */
- /** @defgroup CRYP_Exported_Functions_Group2 Encrypt Decrypt functions
- * @brief processing functions.
- *
- @verbatim
- ==============================================================================
- ##### Encrypt Decrypt functions #####
- ==============================================================================
- [..] This section provides API allowing to Encrypt/Decrypt Data following
- Standard DES/TDES or AES, and Algorithm configured by the user:
- (+) Standard DES/TDES only supported by CRYP1 IP, below list of Algorithm supported :
- - Electronic Code Book(ECB)
- - Cipher Block Chaining (CBC)
- (+) Standard AES supported by CRYP1 IP & TinyAES, list of Algorithm supported:
- - Electronic Code Book(ECB)
- - Cipher Block Chaining (CBC)
- - Counter mode (CTR)
- - Cipher Block Chaining (CBC)
- - Counter mode (CTR)
- - Galois/counter mode (GCM)
- - Counter with Cipher Block Chaining-Message(CCM)
- [..] Three processing functions are available:
- (+) Polling mode : HAL_CRYP_Encrypt & HAL_CRYP_Decrypt
- (+) Interrupt mode : HAL_CRYP_Encrypt_IT & HAL_CRYP_Decrypt_IT
- (+) DMA mode : HAL_CRYP_Encrypt_DMA & HAL_CRYP_Decrypt_DMA
- @endverbatim
- * @{
- */
- /**
- * @brief Encryption mode.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Input: Pointer to the input buffer (plaintext)
- * @param Size: Length of the plaintext buffer in word.
- * @param Output: Pointer to the output buffer(ciphertext)
- * @param Timeout: Specify Timeout value
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_Encrypt(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output,
- uint32_t Timeout)
- {
- uint32_t algo;
- HAL_StatusTypeDef status;
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change state Busy */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr and pCrypOutBuffPtr parameters*/
- hcryp->CrypInCount = 0U;
- hcryp->CrypOutCount = 0U;
- hcryp->pCrypInBuffPtr = Input;
- hcryp->pCrypOutBuffPtr = Output;
- /* Calculate Size parameter in Byte*/
- if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
- {
- hcryp->Size = Size * 4U;
- }
- else
- {
- hcryp->Size = Size;
- }
- #if defined (CRYP)
- /* Set Encryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_ENCRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
- switch (algo)
- {
- case CRYP_DES_ECB:
- case CRYP_DES_CBC:
- case CRYP_TDES_ECB:
- case CRYP_TDES_CBC:
- /*Set Key */
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- }
- /*Set Initialization Vector (IV)*/
- if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- }
- /* Flush FIFO */
- HAL_CRYP_FIFO_FLUSH(hcryp);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Statrt DES/TDES encryption process */
- status = CRYP_TDES_Process(hcryp, Timeout);
- break;
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES encryption */
- status = CRYP_AES_Encrypt(hcryp, Timeout);
- break;
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- case CRYP_AES_GCM:
- /* AES GCM encryption */
- status = CRYP_AESGCM_Process(hcryp, Timeout);
- break;
- case CRYP_AES_CCM:
- /* AES CCM encryption */
- status = CRYP_AESCCM_Process(hcryp, Timeout);
- break;
- #endif /* GCM CCM defined*/
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- #else /*AES*/
- /* Set the operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_ENCRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & AES_CR_CHMOD;
- switch (algo)
- {
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES encryption */
- status = CRYP_AES_Encrypt(hcryp, Timeout);
- break;
- case CRYP_AES_GCM_GMAC:
- /* AES GCM encryption */
- status = CRYP_AESGCM_Process(hcryp, Timeout) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM encryption */
- status = CRYP_AESCCM_Process(hcryp, Timeout);
- break;
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- #endif /*end AES or CRYP */
- if (status == HAL_OK)
- {
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- }
- }
- else
- {
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- return HAL_ERROR;
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Decryption mode.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Input: Pointer to the input buffer (ciphertext )
- * @param Size: Length of the plaintext buffer in word.
- * @param Output: Pointer to the output buffer(plaintext)
- * @param Timeout: Specify Timeout value
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_Decrypt(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output,
- uint32_t Timeout)
- {
- HAL_StatusTypeDef status;
- uint32_t algo;
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change state Busy */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr and pCrypOutBuffPtr parameters*/
- hcryp->CrypInCount = 0U;
- hcryp->CrypOutCount = 0U;
- hcryp->pCrypInBuffPtr = Input;
- hcryp->pCrypOutBuffPtr = Output;
- /* Calculate Size parameter in Byte*/
- if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
- {
- hcryp->Size = Size * 4U;
- }
- else
- {
- hcryp->Size = Size;
- }
- #if defined (CRYP)
- /* Set Decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_DECRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
- switch (algo)
- {
- case CRYP_DES_ECB:
- case CRYP_DES_CBC:
- case CRYP_TDES_ECB:
- case CRYP_TDES_CBC:
- /*Set Key */
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- }
- /*Set Initialization Vector (IV)*/
- if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- }
- /* Flush FIFO */
- HAL_CRYP_FIFO_FLUSH(hcryp);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Start DES/TDES decryption process */
- status = CRYP_TDES_Process(hcryp, Timeout);
- break;
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES decryption */
- status = CRYP_AES_Decrypt(hcryp, Timeout);
- break;
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- case CRYP_AES_GCM:
- /* AES GCM decryption */
- status = CRYP_AESGCM_Process(hcryp, Timeout) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM decryption */
- status = CRYP_AESCCM_Process(hcryp, Timeout);
- break;
- #endif /* GCM CCM defined*/
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- #else /*AES*/
- /* Set Decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_DECRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & AES_CR_CHMOD;
- switch (algo)
- {
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES decryption */
- status = CRYP_AES_Decrypt(hcryp, Timeout);
- break;
- case CRYP_AES_GCM_GMAC:
- /* AES GCM decryption */
- status = CRYP_AESGCM_Process(hcryp, Timeout) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM decryption */
- status = CRYP_AESCCM_Process(hcryp, Timeout);
- break;
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- #endif /* End AES or CRYP */
- if (status == HAL_OK)
- {
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- }
- }
- else
- {
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- return HAL_ERROR;
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Encryption in interrupt mode.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Input: Pointer to the input buffer (plaintext)
- * @param Size: Length of the plaintext buffer in word
- * @param Output: Pointer to the output buffer(ciphertext)
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_Encrypt_IT(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
- {
- uint32_t algo;
- HAL_StatusTypeDef status = HAL_OK;
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change state Busy */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr and pCrypOutBuffPtr parameters*/
- hcryp->CrypInCount = 0U;
- hcryp->CrypOutCount = 0U;
- hcryp->pCrypInBuffPtr = Input;
- hcryp->pCrypOutBuffPtr = Output;
- /* Calculate Size parameter in Byte*/
- if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
- {
- hcryp->Size = Size * 4U;
- }
- else
- {
- hcryp->Size = Size;
- }
- #if defined (CRYP)
- /* Set encryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_ENCRYPT);
- /* algo get algorithm selected */
- algo = (hcryp->Instance->CR & CRYP_CR_ALGOMODE);
- switch (algo)
- {
- case CRYP_DES_ECB:
- case CRYP_DES_CBC:
- case CRYP_TDES_ECB:
- case CRYP_TDES_CBC:
- /*Set Key */
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- }
- /* Set the Initialization Vector*/
- if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- }
- /* Flush FIFO */
- HAL_CRYP_FIFO_FLUSH(hcryp);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Enable interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
- /* Enable CRYP to start DES/TDES process*/
- __HAL_CRYP_ENABLE(hcryp);
- break;
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- status = CRYP_AES_Encrypt_IT(hcryp);
- break;
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- case CRYP_AES_GCM:
- status = CRYP_AESGCM_Process_IT(hcryp) ;
- break;
- case CRYP_AES_CCM:
- status = CRYP_AESCCM_Process_IT(hcryp);
- break;
- #endif /* GCM CCM defined*/
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #else /* AES */
- /* Set encryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_ENCRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & AES_CR_CHMOD;
- switch (algo)
- {
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES encryption */
- status = CRYP_AES_Encrypt_IT(hcryp);
- break;
- case CRYP_AES_GCM_GMAC:
- /* AES GCM encryption */
- status = CRYP_AESGCM_Process_IT(hcryp) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM encryption */
- status = CRYP_AESCCM_Process_IT(hcryp);
- break;
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #endif /*end AES or CRYP*/
- }
- else
- {
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- status = HAL_ERROR;
- }
- /* Return function status */
- return status;
- }
- /**
- * @brief Decryption in itnterrupt mode.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Input: Pointer to the input buffer (ciphertext )
- * @param Size: Length of the plaintext buffer in word.
- * @param Output: Pointer to the output buffer(plaintext)
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_Decrypt_IT(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
- {
- uint32_t algo;
- HAL_StatusTypeDef status = HAL_OK;
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change state Busy */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr and pCrypOutBuffPtr parameters*/
- hcryp->CrypInCount = 0U;
- hcryp->CrypOutCount = 0U;
- hcryp->pCrypInBuffPtr = Input;
- hcryp->pCrypOutBuffPtr = Output;
- /* Calculate Size parameter in Byte*/
- if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
- {
- hcryp->Size = Size * 4U;
- }
- else
- {
- hcryp->Size = Size;
- }
- #if defined (CRYP)
- /* Set decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_DECRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
- switch (algo)
- {
- case CRYP_DES_ECB:
- case CRYP_DES_CBC:
- case CRYP_TDES_ECB:
- case CRYP_TDES_CBC:
- /*Set Key */
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- }
- /* Set the Initialization Vector*/
- if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- }
- /* Flush FIFO */
- HAL_CRYP_FIFO_FLUSH(hcryp);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Enable interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
- /* Enable CRYP and start DES/TDES process*/
- __HAL_CRYP_ENABLE(hcryp);
- break;
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES decryption */
- status = CRYP_AES_Decrypt_IT(hcryp);
- break;
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- case CRYP_AES_GCM:
- /* AES GCM decryption */
- status = CRYP_AESGCM_Process_IT(hcryp) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCMdecryption */
- status = CRYP_AESCCM_Process_IT(hcryp);
- break;
- #endif /* GCM CCM defined*/
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #else /*AES*/
- /* Set decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_DECRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & AES_CR_CHMOD;
- switch (algo)
- {
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES decryption */
- status = CRYP_AES_Decrypt_IT(hcryp);
- break;
- case CRYP_AES_GCM_GMAC:
- /* AES GCM decryption */
- status = CRYP_AESGCM_Process_IT(hcryp) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM decryption */
- status = CRYP_AESCCM_Process_IT(hcryp);
- break;
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #endif /* End AES or CRYP */
- }
- else
- {
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- status = HAL_ERROR;
- }
- /* Return function status */
- return status;
- }
- /**
- * @brief Encryption in DMA mode.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Input: Pointer to the input buffer (plaintext)
- * @param Size: Length of the plaintext buffer in word.
- * @param Output: Pointer to the output buffer(ciphertext)
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_Encrypt_DMA(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
- {
- uint32_t algo;
- HAL_StatusTypeDef status = HAL_OK;
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change state Busy */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr and pCrypOutBuffPtr parameters*/
- hcryp->CrypInCount = 0U;
- hcryp->CrypOutCount = 0U;
- hcryp->pCrypInBuffPtr = Input;
- hcryp->pCrypOutBuffPtr = Output;
- /* Calculate Size parameter in Byte*/
- if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
- {
- hcryp->Size = Size * 4U;
- }
- else
- {
- hcryp->Size = Size;
- }
- #if defined (CRYP)
- /* Set encryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_ENCRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
- switch (algo)
- {
- case CRYP_DES_ECB:
- case CRYP_DES_CBC:
- case CRYP_TDES_ECB:
- case CRYP_TDES_CBC:
- /*Set Key */
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- }
- /* Set the Initialization Vector*/
- if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- }
- /* Flush FIFO */
- HAL_CRYP_FIFO_FLUSH(hcryp);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Start DMA process transfer for DES/TDES */
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), ((uint16_t)(hcryp->Size) / 4U),
- (uint32_t)(hcryp->pCrypOutBuffPtr));
- break;
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- }
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the Initialization Vector*/
- if (hcryp->Init.Algorithm != CRYP_AES_ECB)
- {
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1U);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2U);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3U);
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Start DMA process transfer for AES */
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), ((uint16_t)(hcryp->Size) / 4U),
- (uint32_t)(hcryp->pCrypOutBuffPtr));
- break;
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- case CRYP_AES_GCM:
- /* AES GCM encryption */
- status = CRYP_AESGCM_Process_DMA(hcryp) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM encryption */
- status = CRYP_AESCCM_Process_DMA(hcryp);
- break;
- #endif /* GCM CCM defined*/
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #else /*AES*/
- /* Set encryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_ENCRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & AES_CR_CHMOD;
- switch (algo)
- {
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- }
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the Initialization Vector*/
- if (hcryp->Init.Algorithm != CRYP_AES_ECB)
- {
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Start DMA process transfer for AES */
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U), (uint32_t)(hcryp->pCrypOutBuffPtr));
- break;
- case CRYP_AES_GCM_GMAC:
- /* AES GCM encryption */
- status = CRYP_AESGCM_Process_DMA(hcryp) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM encryption */
- status = CRYP_AESCCM_Process_DMA(hcryp);
- break;
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #endif /* End AES or CRYP */
- }
- else
- {
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- status = HAL_ERROR;
- }
- /* Return function status */
- return status;
- }
- /**
- * @brief Decryption in DMA mode.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Input: Pointer to the input buffer (ciphertext )
- * @param Size: Length of the plaintext buffer in word
- * @param Output: Pointer to the output buffer(plaintext)
- * @retval HAL status
- */
- HAL_StatusTypeDef HAL_CRYP_Decrypt_DMA(CRYP_HandleTypeDef *hcryp, uint32_t *Input, uint16_t Size, uint32_t *Output)
- {
- uint32_t algo;
- HAL_StatusTypeDef status = HAL_OK;
- if (hcryp->State == HAL_CRYP_STATE_READY)
- {
- /* Change state Busy */
- hcryp->State = HAL_CRYP_STATE_BUSY;
- /* Process locked */
- __HAL_LOCK(hcryp);
- /* Reset CrypInCount, CrypOutCount and Initialize pCrypInBuffPtr, pCrypOutBuffPtr and Size parameters*/
- hcryp->CrypInCount = 0U;
- hcryp->CrypOutCount = 0U;
- hcryp->pCrypInBuffPtr = Input;
- hcryp->pCrypOutBuffPtr = Output;
- /* Calculate Size parameter in Byte*/
- if (hcryp->Init.DataWidthUnit == CRYP_DATAWIDTHUNIT_WORD)
- {
- hcryp->Size = Size * 4U;
- }
- else
- {
- hcryp->Size = Size;
- }
- #if defined (CRYP)
- /* Set decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGODIR, CRYP_OPERATINGMODE_DECRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & CRYP_CR_ALGOMODE;
- switch (algo)
- {
- case CRYP_DES_ECB:
- case CRYP_DES_CBC:
- case CRYP_TDES_ECB:
- case CRYP_TDES_CBC:
- /*Set Key */
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- if ((hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- }
- /* Set the Initialization Vector*/
- if ((hcryp->Init.Algorithm == CRYP_DES_CBC) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- }
- /* Flush FIFO */
- HAL_CRYP_FIFO_FLUSH(hcryp);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Start DMA process transfer for DES/TDES */
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), ((uint16_t)(hcryp->Size) / 4U),
- (uint32_t)(hcryp->pCrypOutBuffPtr));
- break;
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES decryption */
- status = CRYP_AES_Decrypt_DMA(hcryp);
- break;
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- case CRYP_AES_GCM:
- /* AES GCM decryption */
- status = CRYP_AESGCM_Process_DMA(hcryp) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM decryption */
- status = CRYP_AESCCM_Process_DMA(hcryp);
- break;
- #endif /* GCM CCM defined*/
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #else /*AES*/
- /* Set decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_DECRYPT);
- /* algo get algorithm selected */
- algo = hcryp->Instance->CR & AES_CR_CHMOD;
- switch (algo)
- {
- case CRYP_AES_ECB:
- case CRYP_AES_CBC:
- case CRYP_AES_CTR:
- /* AES decryption */
- status = CRYP_AES_Decrypt_DMA(hcryp);
- break;
- case CRYP_AES_GCM_GMAC:
- /* AES GCM decryption */
- status = CRYP_AESGCM_Process_DMA(hcryp) ;
- break;
- case CRYP_AES_CCM:
- /* AES CCM decryption */
- status = CRYP_AESCCM_Process_DMA(hcryp);
- break;
- default:
- hcryp->ErrorCode |= HAL_CRYP_ERROR_NOT_SUPPORTED;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- status = HAL_ERROR;
- break;
- }
- #endif /* End AES or CRYP */
- }
- else
- {
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- status = HAL_ERROR;
- }
- /* Return function status */
- return status;
- }
- /**
- * @}
- */
- /** @defgroup CRYP_Exported_Functions_Group3 CRYP IRQ handler management
- * @brief CRYP IRQ handler.
- *
- @verbatim
- ==============================================================================
- ##### CRYP IRQ handler management #####
- ==============================================================================
- [..] This section provides CRYP IRQ handler and callback functions.
- (+) HAL_CRYP_IRQHandler CRYP interrupt request
- (+) HAL_CRYP_InCpltCallback input data transfer complete callback
- (+) HAL_CRYP_OutCpltCallback output data transfer complete callback
- (+) HAL_CRYP_ErrorCallback CRYP error callback
- (+) HAL_CRYP_GetState return the CRYP state
- (+) HAL_CRYP_GetError return the CRYP error code
- @endverbatim
- * @{
- */
- /**
- * @brief This function handles cryptographic interrupt request.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval None
- */
- void HAL_CRYP_IRQHandler(CRYP_HandleTypeDef *hcryp)
- {
- #if defined (CRYP)
- uint32_t itstatus = hcryp->Instance->MISR;
- if ((itstatus & (CRYP_IT_INI | CRYP_IT_OUTI)) != 0U)
- {
- if ((hcryp->Init.Algorithm == CRYP_DES_ECB) || (hcryp->Init.Algorithm == CRYP_DES_CBC)
- || (hcryp->Init.Algorithm == CRYP_TDES_ECB) || (hcryp->Init.Algorithm == CRYP_TDES_CBC))
- {
- CRYP_TDES_IT(hcryp); /* DES or TDES*/
- }
- else if ((hcryp->Init.Algorithm == CRYP_AES_ECB) || (hcryp->Init.Algorithm == CRYP_AES_CBC)
- || (hcryp->Init.Algorithm == CRYP_AES_CTR))
- {
- CRYP_AES_IT(hcryp); /*AES*/
- }
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- else if ((hcryp->Init.Algorithm == CRYP_AES_GCM) || (hcryp->Init.Algorithm == CRYP_CR_ALGOMODE_AES_CCM))
- {
- /* if header phase */
- if ((hcryp->Instance->CR & CRYP_PHASE_HEADER) == CRYP_PHASE_HEADER)
- {
- CRYP_GCMCCM_SetHeaderPhase_IT(hcryp);
- }
- else /* if payload phase */
- {
- CRYP_GCMCCM_SetPayloadPhase_IT(hcryp);
- }
- }
- #endif /* GCM CCM defined*/
- else
- {
- /* Nothing to do */
- }
- }
- #else /*AES*/
- if (__HAL_CRYP_GET_FLAG(hcryp, CRYP_IT_CCF) != RESET)
- {
- if (__HAL_CRYP_GET_IT_SOURCE(hcryp, CRYP_IT_CCFIE) != RESET)
- {
- /* Clear computation complete flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- if (hcryp->Init.Algorithm == CRYP_AES_GCM_GMAC)
- {
- /* if header phase */
- if ((hcryp->Instance->CR & CRYP_PHASE_HEADER) == CRYP_PHASE_HEADER)
- {
- CRYP_GCMCCM_SetHeaderPhase_IT(hcryp);
- }
- else /* if payload phase */
- {
- CRYP_GCMCCM_SetPayloadPhase_IT(hcryp);
- }
- }
- else if (hcryp->Init.Algorithm == CRYP_AES_CCM)
- {
- /* if header phase */
- if (hcryp->Init.HeaderSize >= hcryp->CrypHeaderCount)
- {
- CRYP_GCMCCM_SetHeaderPhase_IT(hcryp);
- }
- else /* if payload phase */
- {
- CRYP_GCMCCM_SetPayloadPhase_IT(hcryp);
- }
- }
- else /* AES Algorithm ECB,CBC or CTR*/
- {
- CRYP_AES_IT(hcryp);
- }
- }
- }
- /* Check if error occurred */
- if (__HAL_CRYP_GET_IT_SOURCE(hcryp, CRYP_IT_ERRIE) != RESET)
- {
- /* If write Error occurred */
- if (__HAL_CRYP_GET_FLAG(hcryp, CRYP_IT_WRERR) != RESET)
- {
- hcryp->ErrorCode |= HAL_CRYP_ERROR_WRITE;
- }
- /* If read Error occurred */
- if (__HAL_CRYP_GET_FLAG(hcryp, CRYP_IT_RDERR) != RESET)
- {
- hcryp->ErrorCode |= HAL_CRYP_ERROR_READ;
- }
- }
- #endif /* End AES or CRYP */
- }
- /**
- * @brief Return the CRYP error code.
- * @param hcryp : pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for the CRYP IP
- * @retval CRYP error code
- */
- uint32_t HAL_CRYP_GetError(CRYP_HandleTypeDef *hcryp)
- {
- return hcryp->ErrorCode;
- }
- /**
- * @brief Returns the CRYP state.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @retval HAL state
- */
- HAL_CRYP_STATETypeDef HAL_CRYP_GetState(CRYP_HandleTypeDef *hcryp)
- {
- return hcryp->State;
- }
- /**
- * @brief Input FIFO transfer completed callback.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @retval None
- */
- __weak void HAL_CRYP_InCpltCallback(CRYP_HandleTypeDef *hcryp)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hcryp);
- /* NOTE : This function should not be modified, when the callback is needed,
- the HAL_CRYP_InCpltCallback can be implemented in the user file
- */
- }
- /**
- * @brief Output FIFO transfer completed callback.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @retval None
- */
- __weak void HAL_CRYP_OutCpltCallback(CRYP_HandleTypeDef *hcryp)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hcryp);
- /* NOTE : This function should not be modified, when the callback is needed,
- the HAL_CRYP_OutCpltCallback can be implemented in the user file
- */
- }
- /**
- * @brief CRYP error callback.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @retval None
- */
- __weak void HAL_CRYP_ErrorCallback(CRYP_HandleTypeDef *hcryp)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(hcryp);
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_CRYP_ErrorCallback could be implemented in the user file
- */
- }
- /**
- * @}
- */
- /* Private functions ---------------------------------------------------------*/
- /** @addtogroup CRYP_Private_Functions
- * @{
- */
- #if defined (CRYP)
- /**
- * @brief Encryption in ECB/CBC Algorithm with DES/TDES standard.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Timeout: specify Timeout value
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_TDES_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t temp[2]; /* Temporary CrypOutBuff */
- uint16_t incount; /* Temporary CrypInCount Value */
- uint16_t outcount; /* Temporary CrypOutCount Value */
- uint32_t i;
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- /*Start processing*/
- while ((hcryp->CrypInCount < (hcryp->Size / 4U)) && (outcount < (hcryp->Size / 4U)))
- {
- /* Temporary CrypInCount Value */
- incount = hcryp->CrypInCount;
- /* Write plain data and get cipher data */
- if (((hcryp->Instance->SR & CRYP_FLAG_IFNF) != 0x0U) && (incount < (hcryp->Size / 4U)))
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- /* Wait for OFNE flag to be raised */
- if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state & errorCode*/
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- if (((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U) && (outcount < (hcryp->Size / 4U)))
- {
- /* Read the output block from the Output FIFO and put them in temporary Buffer then get CrypOutBuff from temporary buffer */
- for (i = 0U; i < 2U; i++)
- {
- temp[i] = hcryp->Instance->DOUT;
- }
- i = 0U;
- while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 2U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- }
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- }
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief CRYP block input/output data handling under interruption with DES/TDES standard.
- * @note The function is called under interruption only, once
- * interruptions have been enabled by CRYP_Decrypt_IT() and CRYP_Encrypt_IT().
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @retval none
- */
- static void CRYP_TDES_IT(CRYP_HandleTypeDef *hcryp)
- {
- uint32_t temp[2]; /* Temporary CrypOutBuff */
- uint32_t i;
- if (hcryp->State == HAL_CRYP_STATE_BUSY)
- {
- if (__HAL_CRYP_GET_IT(hcryp, CRYP_IT_INI) != 0x0U)
- {
- if (__HAL_CRYP_GET_FLAG(hcryp, CRYP_FLAG_INRIS) != 0x0U)
- {
- /* Write input block in the IN FIFO */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- if (hcryp->CrypInCount == ((uint16_t)(hcryp->Size) / 4U))
- {
- /* Disable interruption */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
- /* Call the input data transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- }
- if (__HAL_CRYP_GET_IT(hcryp, CRYP_IT_OUTI) != 0x0U)
- {
- if (__HAL_CRYP_GET_FLAG(hcryp, CRYP_FLAG_OUTRIS) != 0x0U)
- {
- /* Read the output block from the Output FIFO and put them in temporary Buffer then get CrypOutBuff from temporary buffer */
- for (i = 0U; i < 2U; i++)
- {
- temp[i] = hcryp->Instance->DOUT;
- }
- i = 0U;
- while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 2U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- if (hcryp->CrypOutCount == ((uint16_t)(hcryp->Size) / 4U))
- {
- /* Disable interruption */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI);
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Call output transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Output complete callback*/
- hcryp->OutCpltCallback(hcryp);
- #else
- /*Call legacy weak Output complete callback*/
- HAL_CRYP_OutCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- }
- }
- else
- {
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- #endif /* CRYP */
- /**
- * @brief Encryption in ECB/CBC & CTR Algorithm with AES Standard
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure
- * @param Timeout: specify Timeout value
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AES_Encrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint16_t outcount; /* Temporary CrypOutCount Value */
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- }
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- if (hcryp->Init.Algorithm != CRYP_AES_ECB)
- {
- /* Set the Initialization Vector*/
- #if defined (AES)
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #else /* CRYP */
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #endif /* End AES or CRYP */
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- while ((hcryp->CrypInCount < (hcryp->Size / 4U)) && (outcount < (hcryp->Size / 4U)))
- {
- /* Write plain Ddta and get cipher data */
- CRYP_AES_ProcessData(hcryp, Timeout);
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- }
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Encryption in ECB/CBC & CTR mode with AES Standard using interrupt mode
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AES_Encrypt_IT(CRYP_HandleTypeDef *hcryp)
- {
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- }
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- if (hcryp->Init.Algorithm != CRYP_AES_ECB)
- {
- /* Set the Initialization Vector*/
- #if defined (AES)
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #else /* CRYP */
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #endif /* End AES or CRYP */
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- if (hcryp->Size != 0U)
- {
- #if defined (AES)
- /* Enable computation complete flag and error interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- #else /* CRYP */
- /* Enable interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- #endif /* End AES or CRYP */
- }
- else
- {
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Decryption in ECB/CBC & CTR mode with AES Standard
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure
- * @param Timeout: Specify Timeout value
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AES_Decrypt(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint16_t outcount; /* Temporary CrypOutCount Value */
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- }
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Key preparation for ECB/CBC */
- if (hcryp->Init.Algorithm != CRYP_AES_CTR)
- {
- #if defined (AES)
- if (hcryp->AutoKeyDerivation == DISABLE)/*Mode 2 Key preparation*/
- {
- /* Set key preparation for decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_KEYDERIVATION);
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Wait for CCF flag to be raised */
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state & error code*/
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Return to decryption operating mode(Mode 3)*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_DECRYPT);
- }
- else /*Mode 4 : decryption & Key preparation*/
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set decryption & Key preparation operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_KEYDERIVATION_DECRYPT);
- }
- #else /* CRYP */
- /* change ALGOMODE to key preparation for decryption*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_CR_ALGOMODE_AES_KEY);
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Wait for BUSY flag to be raised */
- if (CRYP_WaitOnBUSYFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Turn back to ALGOMODE of the configuration */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, hcryp->Init.Algorithm);
- #endif /* End AES or CRYP */
- }
- else /*Algorithm CTR */
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- }
- /* Set IV */
- if (hcryp->Init.Algorithm != CRYP_AES_ECB)
- {
- /* Set the Initialization Vector*/
- #if defined (AES)
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #else /* CRYP */
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #endif /* End AES or CRYP */
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- while ((hcryp->CrypInCount < (hcryp->Size / 4U)) && (outcount < (hcryp->Size / 4U)))
- {
- /* Write plain data and get cipher data */
- CRYP_AES_ProcessData(hcryp, Timeout);
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- }
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Decryption in ECB/CBC & CTR mode with AES Standard using interrupt mode
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AES_Decrypt_IT(CRYP_HandleTypeDef *hcryp)
- {
- __IO uint32_t count = 0U;
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- }
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Key preparation for ECB/CBC */
- if (hcryp->Init.Algorithm != CRYP_AES_CTR)
- {
- #if defined (AES)
- if (hcryp->AutoKeyDerivation == DISABLE)/*Mode 2 Key preparation*/
- {
- /* Set key preparation for decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_KEYDERIVATION);
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Wait for CCF flag to be raised */
- count = CRYP_TIMEOUT_KEYPREPARATION;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Return to decryption operating mode(Mode 3)*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_DECRYPT);
- }
- else /*Mode 4 : decryption & key preparation*/
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set decryption & key preparation operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_KEYDERIVATION_DECRYPT);
- }
- #else /* CRYP */
- /* change ALGOMODE to key preparation for decryption*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_CR_ALGOMODE_AES_KEY);
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Wait for BUSY flag to be raised */
- count = CRYP_TIMEOUT_KEYPREPARATION;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY));
- /* Turn back to ALGOMODE of the configuration */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, hcryp->Init.Algorithm);
- #endif /* End AES or CRYP */
- }
- else /*Algorithm CTR */
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- }
- /* Set IV */
- if (hcryp->Init.Algorithm != CRYP_AES_ECB)
- {
- /* Set the Initialization Vector*/
- #if defined (AES)
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #else /* CRYP */
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #endif /* End AES or CRYP */
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- if (hcryp->Size != 0U)
- {
- #if defined (AES)
- /* Enable computation complete flag and error interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- #else /* CRYP */
- /* Enable interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- #endif /* End AES or CRYP */
- }
- else
- {
- /* Process locked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Decryption in ECB/CBC & CTR mode with AES Standard using DMA mode
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AES_Decrypt_DMA(CRYP_HandleTypeDef *hcryp)
- {
- __IO uint32_t count = 0U;
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- }
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Key preparation for ECB/CBC */
- if (hcryp->Init.Algorithm != CRYP_AES_CTR)
- {
- #if defined (AES)
- if (hcryp->AutoKeyDerivation == DISABLE)/*Mode 2 key preparation*/
- {
- /* Set key preparation for decryption operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_KEYDERIVATION);
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Wait for CCF flag to be raised */
- count = CRYP_TIMEOUT_KEYPREPARATION;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Return to decryption operating mode(Mode 3)*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_DECRYPT);
- }
- else /*Mode 4 : decryption & key preparation*/
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set decryption & Key preparation operating mode*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_KEYDERIVATION_DECRYPT);
- }
- #else /* CRYP */
- /* change ALGOMODE to key preparation for decryption*/
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_CR_ALGOMODE_AES_KEY);
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Wait for BUSY flag to be raised */
- count = CRYP_TIMEOUT_KEYPREPARATION;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY));
- /* Turn back to ALGOMODE of the configuration */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, hcryp->Init.Algorithm);
- #endif /* End AES or CRYP */
- }
- else /*Algorithm CTR */
- {
- /* Set the Key*/
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- }
- if (hcryp->Init.Algorithm != CRYP_AES_ECB)
- {
- /* Set the Initialization Vector*/
- #if defined (AES)
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #else /* CRYP */
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- #endif /* End AES or CRYP */
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- if (hcryp->Size != 0U)
- {
- /* Set the input and output addresses and start DMA transfer */
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U), (uint32_t)(hcryp->pCrypOutBuffPtr));
- }
- else
- {
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief DMA CRYP input data process complete callback.
- * @param hdma: DMA handle
- * @retval None
- */
- static void CRYP_DMAInCplt(DMA_HandleTypeDef *hdma)
- {
- CRYP_HandleTypeDef *hcryp = (CRYP_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
- /* Disable the DMA transfer for input FIFO request by resetting the DIEN bit
- in the DMACR register */
- #if defined (CRYP)
- hcryp->Instance->DMACR &= (uint32_t)(~CRYP_DMACR_DIEN);
- #else /* AES */
- CLEAR_BIT(hcryp->Instance->CR, AES_CR_DMAINEN);
- /* TinyAES2, No output on CCM AES, unlock should be done when input data process complete */
- if ((hcryp->Init.Algorithm & CRYP_AES_CCM) == CRYP_AES_CCM)
- {
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Change the CRYP state to ready */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- }
- #endif /* End AES or CRYP */
- /* Call input data transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /**
- * @brief DMA CRYP output data process complete callback.
- * @param hdma: DMA handle
- * @retval None
- */
- static void CRYP_DMAOutCplt(DMA_HandleTypeDef *hdma)
- {
- CRYP_HandleTypeDef *hcryp = (CRYP_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
- /* Disable the DMA transfer for output FIFO request by resetting
- the DOEN bit in the DMACR register */
- #if defined (CRYP)
- hcryp->Instance->DMACR &= (uint32_t)(~CRYP_DMACR_DOEN);
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- if ((hcryp->Init.Algorithm & CRYP_AES_GCM) != CRYP_AES_GCM)
- {
- /* Disable CRYP (not allowed in GCM)*/
- __HAL_CRYP_DISABLE(hcryp);
- }
- #else /*NO GCM CCM */
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- #endif /* GCM CCM defined*/
- #else /* AES */
- CLEAR_BIT(hcryp->Instance->CR, AES_CR_DMAOUTEN);
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- if ((hcryp->Init.Algorithm & CRYP_AES_GCM_GMAC) != CRYP_AES_GCM_GMAC)
- {
- /* Disable CRYP (not allowed in GCM)*/
- __HAL_CRYP_DISABLE(hcryp);
- }
- #endif /* End AES or CRYP */
- /* Change the CRYP state to ready */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Call output data transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Output complete callback*/
- hcryp->OutCpltCallback(hcryp);
- #else
- /*Call legacy weak Output complete callback*/
- HAL_CRYP_OutCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /**
- * @brief DMA CRYP communication error callback.
- * @param hdma: DMA handle
- * @retval None
- */
- static void CRYP_DMAError(DMA_HandleTypeDef *hdma)
- {
- CRYP_HandleTypeDef *hcryp = (CRYP_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* DMA error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
- #if defined (AES)
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- #endif /* AES */
- /* Call error callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /**
- * @brief Set the DMA configuration and start the DMA transfer
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param inputaddr: address of the input buffer
- * @param Size: size of the input buffer, must be a multiple of 16.
- * @param outputaddr: address of the output buffer
- * @retval None
- */
- static void CRYP_SetDMAConfig(CRYP_HandleTypeDef *hcryp, uint32_t inputaddr, uint16_t Size, uint32_t outputaddr)
- {
- /* Set the CRYP DMA transfer complete callback */
- hcryp->hdmain->XferCpltCallback = CRYP_DMAInCplt;
- /* Set the DMA input error callback */
- hcryp->hdmain->XferErrorCallback = CRYP_DMAError;
- /* Set the CRYP DMA transfer complete callback */
- hcryp->hdmaout->XferCpltCallback = CRYP_DMAOutCplt;
- /* Set the DMA output error callback */
- hcryp->hdmaout->XferErrorCallback = CRYP_DMAError;
- #if defined (CRYP)
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- /* Enable the input DMA Stream */
- if (HAL_DMA_Start_IT(hcryp->hdmain, inputaddr, (uint32_t)&hcryp->Instance->DIN, Size) != HAL_OK)
- {
- /* DMA error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
- /* Call error callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /* Enable the output DMA Stream */
- if (HAL_DMA_Start_IT(hcryp->hdmaout, (uint32_t)&hcryp->Instance->DOUT, outputaddr, Size) != HAL_OK)
- {
- /* DMA error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
- /* Call error callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /* Enable In/Out DMA request */
- hcryp->Instance->DMACR = CRYP_DMACR_DOEN | CRYP_DMACR_DIEN;
- #else /* AES */
- if (((hcryp->Init.Algorithm & CRYP_AES_GCM_GMAC) != CRYP_AES_GCM_GMAC)
- && ((hcryp->Init.Algorithm & CRYP_AES_CCM) != CRYP_AES_CCM))
- {
- /* Enable CRYP (not allowed in GCM & CCM)*/
- __HAL_CRYP_ENABLE(hcryp);
- }
- /* Enable the DMA input stream */
- if (HAL_DMA_Start_IT(hcryp->hdmain, inputaddr, (uint32_t)&hcryp->Instance->DINR, Size) != HAL_OK)
- {
- /* DMA error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
- /* Call error callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /* Enable the DMA output stream */
- if (HAL_DMA_Start_IT(hcryp->hdmaout, (uint32_t)&hcryp->Instance->DOUTR, outputaddr, Size) != HAL_OK)
- {
- /* DMA error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_DMA;
- /* Call error callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /*AES2v1.1.1 : CCM authentication : no init phase, only header and final phase */
- /* Enable In and Out DMA requests */
- if ((hcryp->Init.Algorithm & CRYP_AES_CCM) == CRYP_AES_CCM)
- {
- /* Enable only In DMA requests for CCM*/
- SET_BIT(hcryp->Instance->CR, (AES_CR_DMAINEN));
- }
- else
- {
- /* Enable In and Out DMA requests */
- SET_BIT(hcryp->Instance->CR, (AES_CR_DMAINEN | AES_CR_DMAOUTEN));
- }
- #endif /* End AES or CRYP */
- }
- /**
- * @brief Process Data: Write Input data in polling mode and used in AES functions.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Timeout: Specify Timeout value
- * @retval None
- */
- static void CRYP_AES_ProcessData(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t temp[4]; /* Temporary CrypOutBuff */
- uint32_t i;
- #if defined (CRYP)
- uint16_t incount; /* Temporary CrypInCount Value */
- uint16_t outcount; /* Temporary CrypOutCount Value */
- #endif
- #if defined (CRYP)
- /*Temporary CrypOutCount Value*/
- incount = hcryp->CrypInCount;
- if (((hcryp->Instance->SR & CRYP_FLAG_IFNF) != 0x0U) && (incount < (hcryp->Size / 4U)))
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- /* Wait for OFNE flag to be raised */
- if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state & error code*/
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- if (((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U) && (outcount < (hcryp->Size / 4U)))
- {
- /* Read the output block from the Output FIFO and put them in temporary buffer then get CrypOutBuff from temporary buffer */
- for (i = 0U; i < 4U; i++)
- {
- temp[i] = hcryp->Instance->DOUT;
- }
- i = 0U;
- while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- }
- #else /* AES */
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- /* Wait for CCF flag to be raised */
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Read the output block from the output FIFO and put them in temporary buffer then get CrypOutBuff from temporary buffer*/
- for (i = 0U; i < 4U; i++)
- {
- temp[i] = hcryp->Instance->DOUTR;
- }
- i = 0U;
- while ((hcryp->CrypOutCount < ((hcryp->Size + 3U) / 4U)) && (i < 4U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- #endif /* End AES or CRYP */
- }
- /**
- * @brief Handle CRYP block input/output data handling under interruption.
- * @note The function is called under interruption only, once
- * interruptions have been enabled by HAL_CRYP_Encrypt_IT or HAL_CRYP_Decrypt_IT.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @retval HAL status
- */
- static void CRYP_AES_IT(CRYP_HandleTypeDef *hcryp)
- {
- uint32_t temp[4]; /* Temporary CrypOutBuff */
- uint32_t i;
- #if defined (CRYP)
- uint16_t incount; /* Temporary CrypInCount Value */
- uint16_t outcount; /* Temporary CrypOutCount Value */
- #endif
- if (hcryp->State == HAL_CRYP_STATE_BUSY)
- {
- #if defined (CRYP)
- /*Temporary CrypOutCount Value*/
- incount = hcryp->CrypInCount;
- if (((hcryp->Instance->SR & CRYP_FLAG_IFNF) != 0x0U) && (incount < (hcryp->Size / 4U)))
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- if (hcryp->CrypInCount == ((uint16_t)(hcryp->Size) / 4U))
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
- /* Call the input data transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- if (((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U) && (outcount < (hcryp->Size / 4U)))
- {
- /* Read the output block from the output FIFO and put them in temporary buffer then get CrypOutBuff from temporary buffer */
- for (i = 0U; i < 4U; i++)
- {
- temp[i] = hcryp->Instance->DOUT;
- }
- i = 0U;
- while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- if (hcryp->CrypOutCount == ((uint16_t)(hcryp->Size) / 4U))
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Call Output transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Output complete callback*/
- hcryp->OutCpltCallback(hcryp);
- #else
- /*Call legacy weak Output complete callback*/
- HAL_CRYP_OutCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- #else /*AES*/
- /* Read the output block from the output FIFO and put them in temporary buffer then get CrypOutBuff from temporary buffer*/
- for (i = 0U; i < 4U; i++)
- {
- temp[i] = hcryp->Instance->DOUTR;
- }
- i = 0U;
- while ((hcryp->CrypOutCount < ((hcryp->Size + 3U) / 4U)) && (i < 4U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- if (hcryp->CrypOutCount == (hcryp->Size / 4U))
- {
- /* Disable Computation Complete flag and errors interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- /* Call Output transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Output complete callback*/
- hcryp->OutCpltCallback(hcryp);
- #else
- /*Call legacy weak Output complete callback*/
- HAL_CRYP_OutCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- else
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- if (hcryp->CrypInCount == (hcryp->Size / 4U))
- {
- /* Call Input transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- #endif /* End AES or CRYP */
- }
- else
- {
- /* Busy error code field */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_BUSY;
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- /**
- * @brief Writes Key in Key registers.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param KeySize: Size of Key
- * @retval None
- */
- static void CRYP_SetKey(CRYP_HandleTypeDef *hcryp, uint32_t KeySize)
- {
- #if defined (CRYP)
- switch (KeySize)
- {
- case CRYP_KEYSIZE_256B:
- hcryp->Instance->K0LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K0RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 6);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 7);
- break;
- case CRYP_KEYSIZE_192B:
- hcryp->Instance->K1LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K1RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 5);
- break;
- case CRYP_KEYSIZE_128B:
- hcryp->Instance->K2LR = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->K2RR = *(uint32_t *)(hcryp->Init.pKey + 1);
- hcryp->Instance->K3LR = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->K3RR = *(uint32_t *)(hcryp->Init.pKey + 3);
- break;
- default:
- break;
- }
- #else /*AES*/
- switch (KeySize)
- {
- case CRYP_KEYSIZE_256B:
- hcryp->Instance->KEYR7 = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->KEYR6 = *(uint32_t *)(hcryp->Init.pKey + 1);
- hcryp->Instance->KEYR5 = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->KEYR4 = *(uint32_t *)(hcryp->Init.pKey + 3);
- hcryp->Instance->KEYR3 = *(uint32_t *)(hcryp->Init.pKey + 4);
- hcryp->Instance->KEYR2 = *(uint32_t *)(hcryp->Init.pKey + 5);
- hcryp->Instance->KEYR1 = *(uint32_t *)(hcryp->Init.pKey + 6);
- hcryp->Instance->KEYR0 = *(uint32_t *)(hcryp->Init.pKey + 7);
- break;
- case CRYP_KEYSIZE_128B:
- hcryp->Instance->KEYR3 = *(uint32_t *)(hcryp->Init.pKey);
- hcryp->Instance->KEYR2 = *(uint32_t *)(hcryp->Init.pKey + 1);
- hcryp->Instance->KEYR1 = *(uint32_t *)(hcryp->Init.pKey + 2);
- hcryp->Instance->KEYR0 = *(uint32_t *)(hcryp->Init.pKey + 3);
- break;
- default:
- break;
- }
- #endif /* End AES or CRYP */
- }
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)|| defined (AES)
- /**
- * @brief Encryption/Decryption process in AES GCM mode and prepare the authentication TAG
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Timeout: Timeout duration
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AESGCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t tickstart;
- uint32_t wordsize = (uint32_t)(hcryp->Size) / 4U ;
- uint16_t outcount; /* Temporary CrypOutCount Value */
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
- }
- }
- else
- {
- hcryp->SizesSum = hcryp->Size;
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Reset CrypHeaderCount */
- hcryp->CrypHeaderCount = 0U;
- /****************************** Init phase **********************************/
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- #if defined(CRYP)
- /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /* Get tick */
- tickstart = HAL_GetTick();
- /*Wait for the CRYPEN bit to be cleared*/
- while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN)
- {
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- }
- #else /* AES */
- /* Workaround 1 : only AES.
- Datatype configuration must be 32 bits during Init phase. Only, after Init, and before re
- enabling the IP, datatype different from 32 bits can be configured.*/
- /* Select DATATYPE 32 */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, CRYP_DATATYPE_32B);
- /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /* just wait for hash computation */
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked & return error */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- #endif /* End AES or CRYP */
- /************************ Header phase *************************************/
- if (CRYP_GCMCCM_SetHeaderPhase(hcryp, Timeout) != HAL_OK)
- {
- return HAL_ERROR;
- }
- /*************************Payload phase ************************************/
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- #if defined(CRYP)
- /* Disable the CRYP peripheral */
- __HAL_CRYP_DISABLE(hcryp);
- /* Select payload phase once the header phase is performed */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- #else /* AES */
- /* Select payload phase once the header phase is performed */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
- #endif /* End AES or CRYP */
- } /* if (DoKeyIVConfig == 1U) */
- if ((hcryp->Size % 16U) != 0U)
- {
- /* recalculate wordsize */
- wordsize = ((wordsize / 4U) * 4U) ;
- }
- /* Get tick */
- tickstart = HAL_GetTick();
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- /* Write input data and get output Data */
- while ((hcryp->CrypInCount < wordsize) && (outcount < wordsize))
- {
- /* Write plain data and get cipher data */
- CRYP_AES_ProcessData(hcryp, Timeout);
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state & error code */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- }
- if ((hcryp->Size % 16U) != 0U)
- {
- /* Workaround 2 : CRYP1 & AES generates correct TAG for GCM mode only when input block size is multiple of
- 128 bits. If lthe size of the last block of payload is inferior to 128 bits, when GCM encryption
- is selected, then the TAG message will be wrong.*/
- CRYP_Workaround(hcryp, Timeout);
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Encryption/Decryption process in AES GCM mode and prepare the authentication TAG in interrupt mode
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AESGCM_Process_IT(CRYP_HandleTypeDef *hcryp)
- {
- __IO uint32_t count = 0U;
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- #if defined(AES)
- uint32_t loopcounter;
- uint32_t lastwordsize;
- uint32_t npblb;
- #endif /* AES */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
- }
- }
- else
- {
- hcryp->SizesSum = hcryp->Size;
- }
- /* Configure Key, IV and process message (header and payload) */
- if (DoKeyIVConfig == 1U)
- {
- /* Reset CrypHeaderCount */
- hcryp->CrypHeaderCount = 0U;
- /******************************* Init phase *********************************/
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- #if defined(CRYP)
- /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Wait for the CRYPEN bit to be cleared*/
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
- #else /* AES */
- /* Workaround 1 : only AES
- Datatype configuration must be 32 bits during INIT phase. Only, after INIT, and before re
- enabling the IP, datatype different from 32 bits can be configured.*/
- /* Select DATATYPE 32 */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, CRYP_DATATYPE_32B);
- /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /* just wait for hash computation */
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- #endif /* End AES or CRYP */
- /***************************** Header phase *********************************/
- #if defined(CRYP)
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- #else /* AES */
- /* Workaround 1: only AES , before re-enabling the IP, datatype can be configured*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, hcryp->Init.DataType);
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable computation complete flag and error interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- if (hcryp->Init.HeaderSize == 0U) /*header phase is skipped*/
- {
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Select payload phase once the header phase is performed */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_PHASE_PAYLOAD);
- /* Write the payload Input block in the IN FIFO */
- if (hcryp->Size == 0U)
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- }
- else if (hcryp->Size >= 16U)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- if (hcryp->CrypInCount == (hcryp->Size / 4U))
- {
- /* Call Input transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- else /* Size < 16Bytes : first block is the last block*/
- {
- /* Workaround not implemented*/
- /* Size should be %4 otherwise Tag will be incorrectly generated for GCM Encryption:
- Workaround is implemented in polling mode, so if last block of
- payload <128bit don't use CRYP_Encrypt_IT otherwise TAG is incorrectly generated for GCM Encryption. */
- /* Compute the number of padding bytes in last block of payload */
- npblb = 16U - (uint32_t)(hcryp->Size);
- /* Number of valid words (lastwordsize) in last block */
- if ((npblb % 4U) == 0U)
- {
- lastwordsize = (16U - npblb) / 4U;
- }
- else
- {
- lastwordsize = ((16U - npblb) / 4U) + 1U;
- }
- /* last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < lastwordsize ; loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (loopcounter < 4U)
- {
- /* pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- }
- }
- else if ((hcryp->Init.HeaderSize) < 4U)
- {
- for (loopcounter = 0U; loopcounter < hcryp->Init.HeaderSize ; loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- while (loopcounter < 4U)
- {
- /* pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Select payload phase once the header phase is performed */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
- /* Call Input transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- else if ((hcryp->Init.HeaderSize) >= 4U)
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- }
- else
- {
- /* Nothing to do */
- }
- #endif /* End AES or CRYP */
- } /* end of if (DoKeyIVConfig == 1U) */
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Encryption/Decryption process in AES GCM mode and prepare the authentication TAG using DMA
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AESGCM_Process_DMA(CRYP_HandleTypeDef *hcryp)
- {
- __IO uint32_t count = 0U;
- uint32_t wordsize;
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
- }
- }
- else
- {
- hcryp->SizesSum = hcryp->Size;
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Reset CrypHeaderCount */
- hcryp->CrypHeaderCount = 0U;
- /*************************** Init phase ************************************/
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- #if defined(CRYP)
- /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
- hcryp->Instance->IV0LR = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IV0RR = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IV1LR = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IV1RR = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Wait for the CRYPEN bit to be cleared*/
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
- #else /* AES */
- /*Workaround 1 : only AES
- Datatype configuration must be 32 bits during Init phase. Only, after Init, and before re
- enabling the IP, datatype different from 32 bits can be configured.*/
- /* Select DATATYPE 32 */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, CRYP_DATATYPE_32B);
- /* Set the initialization vector and the counter : Initial Counter Block (ICB)*/
- hcryp->Instance->IVR3 = *(uint32_t *)(hcryp->Init.pInitVect);
- hcryp->Instance->IVR2 = *(uint32_t *)(hcryp->Init.pInitVect + 1);
- hcryp->Instance->IVR1 = *(uint32_t *)(hcryp->Init.pInitVect + 2);
- hcryp->Instance->IVR0 = *(uint32_t *)(hcryp->Init.pInitVect + 3);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /* just wait for hash computation */
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- #endif /* End AES or CRYP */
- /************************ Header phase *************************************/
- if (CRYP_GCMCCM_SetHeaderPhase_DMA(hcryp) != HAL_OK)
- {
- return HAL_ERROR;
- }
- /************************ Payload phase ************************************/
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- #if defined(CRYP)
- /* Disable the CRYP peripheral */
- __HAL_CRYP_DISABLE(hcryp);
- #endif /* CRYP */
- /* Select payload phase once the header phase is performed */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
- } /* if (DoKeyIVConfig == 1U) */
- if (hcryp->Size != 0U)
- {
- /* CRYP1 IP V < 2.2.1 Size should be %4 otherwise Tag will be incorrectly generated for GCM Encryption:
- Workaround is implemented in polling mode, so if last block of
- payload <128bit don't use DMA mode otherwise TAG is incorrectly generated . */
- /* Set the input and output addresses and start DMA transfer */
- if ((hcryp->Size % 16U) == 0U)
- {
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U), (uint32_t)(hcryp->pCrypOutBuffPtr));
- }
- else /*to compute last word<128bits, otherwise it will not be encrypted/decrypted */
- {
- wordsize = (uint32_t)(hcryp->Size) + (16U - ((uint32_t)(hcryp->Size) % 16U)) ;
- /* Set the input and output addresses and start DMA transfer, pCrypOutBuffPtr size should be %4 */
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), ((uint16_t)wordsize / 4U),
- (uint32_t)(hcryp->pCrypOutBuffPtr));
- }
- }
- else
- {
- /* Process unLocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state and phase */
- hcryp->State = HAL_CRYP_STATE_READY;
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief AES CCM encryption/decryption processing in polling mode
- * for TinyAES IP, no encrypt/decrypt performed, only authentication preparation.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Timeout: Timeout duration
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AESCCM_Process(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t tickstart;
- uint32_t wordsize = (uint32_t)(hcryp->Size) / 4U;
- uint16_t outcount; /* Temporary CrypOutCount Value */
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- #if defined(AES)
- uint32_t loopcounter;
- uint32_t npblb;
- uint32_t lastwordsize;
- #endif /* AES */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
- }
- }
- else
- {
- hcryp->SizesSum = hcryp->Size;
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Reset CrypHeaderCount */
- hcryp->CrypHeaderCount = 0U;
- #if defined(CRYP)
- /********************** Init phase ******************************************/
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the initialization vector (IV) with CTR1 information */
- hcryp->Instance->IV0LR = (hcryp->Init.B0[0]) & CRYP_CCM_CTR1_0;
- hcryp->Instance->IV0RR = hcryp->Init.B0[1];
- hcryp->Instance->IV1LR = hcryp->Init.B0[2];
- hcryp->Instance->IV1RR = (hcryp->Init.B0[3] & CRYP_CCM_CTR1_1) | CRYP_CCM_CTR1_2;
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Write B0 packet into CRYP_DIN Register*/
- if (hcryp->Init.DataType == CRYP_DATATYPE_8B)
- {
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 1));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 2));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 3));
- }
- else if (hcryp->Init.DataType == CRYP_DATATYPE_16B)
- {
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 1), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 2), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 3), 16);
- }
- else if (hcryp->Init.DataType == CRYP_DATATYPE_1B)
- {
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 1));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 2));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 3));
- }
- else
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
- }
- /* Get tick */
- tickstart = HAL_GetTick();
- /*Wait for the CRYPEN bit to be cleared*/
- while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN)
- {
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- }
- #else /* AES */
- /*AES2v1.1.1 : CCM authentication : no init phase, only header and final phase */
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* configured encryption mode */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_ENCRYPT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the initialization vector with zero values*/
- hcryp->Instance->IVR3 = 0U;
- hcryp->Instance->IVR2 = 0U;
- hcryp->Instance->IVR1 = 0U;
- hcryp->Instance->IVR0 = 0U;
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Write the B0 packet into CRYP_DIN*/
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 1);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 2);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 3);
- /* wait until the end of computation */
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked & return error */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* From that point the whole message must be processed, first the Header then the payload.
- First the Header block(B1) : associated data length expressed in bytes concatenated with Associated Data (A)*/
- if (hcryp->Init.HeaderSize != 0U)
- {
- if ((hcryp->Init.HeaderSize % 4U) == 0U)
- {
- /* HeaderSize %4, no padding */
- for (loopcounter = 0U; (loopcounter < hcryp->Init.HeaderSize); loopcounter += 4U)
- {
- /* Write the Input block in the Data Input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- }
- else
- {
- /*Write Header block in the IN FIFO without last block */
- for (loopcounter = 0U; (loopcounter < ((hcryp->Init.HeaderSize) - (hcryp->Init.HeaderSize % 4U))); loopcounter += 4U)
- {
- /* Write the input block in the data input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; (loopcounter < (hcryp->Init.HeaderSize % 4U)); loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- while (loopcounter < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Then the payload: cleartext payload (not the ciphertext payload).
- Write input Data, no output Data to get */
- if (hcryp->Size != 0U)
- {
- if ((hcryp->Size % 16U) != 0U)
- {
- /* recalculate wordsize */
- wordsize = ((wordsize / 4U) * 4U) ;
- }
- /* Get tick */
- tickstart = HAL_GetTick();
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- while ((hcryp->CrypInCount < wordsize) && (outcount < wordsize))
- {
- /* Write plain data and get cipher data */
- CRYP_AES_ProcessData(hcryp, Timeout);
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- }
- if ((hcryp->Size % 16U) != 0U)
- {
- /* Compute the number of padding bytes in last block of payload */
- npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
- /* Number of valid words (lastwordsize) in last block */
- if ((npblb % 4U) == 0U)
- {
- lastwordsize = (16U - npblb) / 4U;
- }
- else
- {
- lastwordsize = ((16U - npblb) / 4U) + 1U;
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < lastwordsize; loopcounter ++)
- {
- /* Write the last input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (loopcounter < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0U;
- loopcounter++;
- }
- /* Wait for CCF flag to be raised */
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- }
- #endif /* End AES or CRYP */
- #if defined(CRYP)
- /************************* Header phase *************************************/
- /* Header block(B1) : associated data length expressed in bytes concatenated
- with Associated Data (A)*/
- if (CRYP_GCMCCM_SetHeaderPhase(hcryp, Timeout) != HAL_OK)
- {
- return HAL_ERROR;
- }
- /********************** Payload phase ***************************************/
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Disable the CRYP peripheral */
- __HAL_CRYP_DISABLE(hcryp);
- /* Select payload phase once the header phase is performed */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- } /* if (DoKeyIVConfig == 1U) */
- if ((hcryp->Size % 16U) != 0U)
- {
- /* recalculate wordsize */
- wordsize = ((wordsize / 4U) * 4U) ;
- }
- /* Get tick */
- tickstart = HAL_GetTick();
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- /* Write input data and get output data */
- while ((hcryp->CrypInCount < wordsize) && (outcount < wordsize))
- {
- /* Write plain data and get cipher data */
- CRYP_AES_ProcessData(hcryp, Timeout);
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- }
- if ((hcryp->Size % 16U) != 0U)
- {
- /* CRYP Workaround : CRYP1 generates correct TAG during CCM decryption only when ciphertext blocks size is multiple of
- 128 bits. If lthe size of the last block of payload is inferior to 128 bits, when CCM decryption
- is selected, then the TAG message will be wrong.*/
- CRYP_Workaround(hcryp, Timeout);
- }
- #endif /* CRYP */
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief AES CCM encryption/decryption process in interrupt mode
- * for TinyAES IP, no encrypt/decrypt performed, only authentication preparation.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AESCCM_Process_IT(CRYP_HandleTypeDef *hcryp)
- {
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- #if defined(CRYP)
- __IO uint32_t count = 0U;
- #endif /* CRYP */
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
- }
- }
- else
- {
- hcryp->SizesSum = hcryp->Size;
- }
- /* Configure Key, IV and process message (header and payload) */
- if (DoKeyIVConfig == 1U)
- {
- /* Reset CrypHeaderCount */
- hcryp->CrypHeaderCount = 0U;
- #if defined(CRYP)
- /************ Init phase ************/
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the initialization vector (IV) with CTR1 information */
- hcryp->Instance->IV0LR = (hcryp->Init.B0[0]) & CRYP_CCM_CTR1_0;
- hcryp->Instance->IV0RR = hcryp->Init.B0[1];
- hcryp->Instance->IV1LR = hcryp->Init.B0[2];
- hcryp->Instance->IV1RR = (hcryp->Init.B0[3] & CRYP_CCM_CTR1_1) | CRYP_CCM_CTR1_2;
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Write the B0 packet into CRYP_DIN Register*/
- if (hcryp->Init.DataType == CRYP_DATATYPE_8B)
- {
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 1));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 2));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 3));
- }
- else if (hcryp->Init.DataType == CRYP_DATATYPE_16B)
- {
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 1), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 2), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 3), 16);
- }
- else if (hcryp->Init.DataType == CRYP_DATATYPE_1B)
- {
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 1));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 2));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 3));
- }
- else
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
- }
- /*Wait for the CRYPEN bit to be cleared*/
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- } /* end of if (DoKeyIVConfig == 1U) */
- /* Enable interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI);
- /* Enable CRYP */
- __HAL_CRYP_ENABLE(hcryp);
- #else /* AES */
- /*AES2v1.1.1 : CCM authentication : no init phase, only header and final phase */
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* configured mode and encryption mode */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_ENCRYPT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the initialization vector with zero values*/
- hcryp->Instance->IVR3 = 0U;
- hcryp->Instance->IVR2 = 0U;
- hcryp->Instance->IVR1 = 0U;
- hcryp->Instance->IVR0 = 0U;
- /* Enable interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Write the B0 packet into CRYP_DIN*/
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 1);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 2);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 3);
- } /* end of if (DoKeyIVConfig == 1U) */
- #endif /* End AES or CRYP */
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief AES CCM encryption/decryption process in DMA mode
- * for TinyAES IP, no encrypt/decrypt performed, only authentication preparation.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_AESCCM_Process_DMA(CRYP_HandleTypeDef *hcryp)
- {
- uint32_t wordsize;
- __IO uint32_t count = 0U;
- uint32_t DoKeyIVConfig = 1U; /* By default, carry out peripheral Key and IV configuration */
- #if defined(AES)
- uint32_t loopcounter;
- uint32_t npblb;
- uint32_t lastwordsize;
- #endif
- if (hcryp->Init.KeyIVConfigSkip == CRYP_KEYIVCONFIG_ONCE)
- {
- if (hcryp->KeyIVConfig == 1U)
- {
- /* If the Key and IV configuration has to be done only once
- and if it has already been done, skip it */
- DoKeyIVConfig = 0U;
- hcryp->SizesSum += hcryp->Size; /* Compute message total payload length */
- }
- else
- {
- /* If the Key and IV configuration has to be done only once
- and if it has not been done already, do it and set KeyIVConfig
- to keep track it won't have to be done again next time */
- hcryp->KeyIVConfig = 1U;
- hcryp->SizesSum = hcryp->Size; /* Merely store payload length */
- }
- }
- else
- {
- hcryp->SizesSum = hcryp->Size;
- }
- if (DoKeyIVConfig == 1U)
- {
- /* Reset CrypHeaderCount */
- hcryp->CrypHeaderCount = 0U;
- #if defined(CRYP)
- /************************** Init phase **************************************/
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_INIT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the initialization vector (IV) with CTR1 information */
- hcryp->Instance->IV0LR = (hcryp->Init.B0[0]) & CRYP_CCM_CTR1_0;
- hcryp->Instance->IV0RR = hcryp->Init.B0[1];
- hcryp->Instance->IV1LR = hcryp->Init.B0[2];
- hcryp->Instance->IV1RR = (hcryp->Init.B0[3] & CRYP_CCM_CTR1_1) | CRYP_CCM_CTR1_2;
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Write the B0 packet into CRYP_DIN Register*/
- if (hcryp->Init.DataType == CRYP_DATATYPE_8B)
- {
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 1));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 2));
- hcryp->Instance->DIN = __REV(*(uint32_t *)(hcryp->Init.B0 + 3));
- }
- else if (hcryp->Init.DataType == CRYP_DATATYPE_16B)
- {
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 1), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 2), 16);
- hcryp->Instance->DIN = __ROR(*(uint32_t *)(hcryp->Init.B0 + 3), 16);
- }
- else if (hcryp->Init.DataType == CRYP_DATATYPE_1B)
- {
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 1));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 2));
- hcryp->Instance->DIN = __RBIT(*(uint32_t *)(hcryp->Init.B0 + 3));
- }
- else
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 1);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 2);
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.B0 + 3);
- }
- /*Wait for the CRYPEN bit to be cleared*/
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while ((hcryp->Instance->CR & CRYP_CR_CRYPEN) == CRYP_CR_CRYPEN);
- #else /* AES */
- /*AES2v1.1.1 : CCM authentication : no init phase, only header and final phase */
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* configured encryption mode */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_MODE, CRYP_OPERATINGMODE_ENCRYPT);
- /* Set the key */
- CRYP_SetKey(hcryp, hcryp->Init.KeySize);
- /* Set the initialization vector with zero values*/
- hcryp->Instance->IVR3 = 0U;
- hcryp->Instance->IVR2 = 0U;
- hcryp->Instance->IVR1 = 0U;
- hcryp->Instance->IVR0 = 0U;
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- /*Write the B0 packet into CRYP_DIN*/
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 1);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 2);
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.B0 + 3);
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* From that point the whole message must be processed, first the Header then the payload.
- First the Header block(B1) : associated data length expressed in bytes concatenated with Associated Data (A)*/
- if (hcryp->Init.HeaderSize != 0U)
- {
- if ((hcryp->Init.HeaderSize % 4U) == 0U)
- {
- /* HeaderSize %4, no padding */
- for (loopcounter = 0U; (loopcounter < hcryp->Init.HeaderSize); loopcounter += 4U)
- {
- /* Write the Input block in the Data Input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- /* wait until the end of computation */
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- }
- else
- {
- /*Write Header block in the IN FIFO without last block */
- for (loopcounter = 0U; (loopcounter < ((hcryp->Init.HeaderSize) - (hcryp->Init.HeaderSize % 4U))); loopcounter += 4U)
- {
- /* Write the input block in the data input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; (loopcounter < (hcryp->Init.HeaderSize % 4U)); loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- while (loopcounter < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- }
- } /* if (DoKeyIVConfig == 1U) */
- /* Then the payload: cleartext payload (not the ciphertext payload).
- Write input Data, no output Data to get */
- if (hcryp->Size != 0U)
- {
- if (hcryp->Size >= 16U)
- {
- if ((hcryp->Size % 16U) == 0U)
- {
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (hcryp->Size / 4U), (uint32_t)(hcryp->pCrypOutBuffPtr));
- }
- else /*to compute last word<128bits, otherwise it will not be encrypted/decrypted */
- {
- wordsize = (uint32_t)(hcryp->Size) + (16U - ((uint32_t)(hcryp->Size) % 16U)) ;
- /* Set the input and output addresses and start DMA transfer, pCrypOutBuffPtr size should be %4 */
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), ((uint16_t)wordsize / 4U),
- (uint32_t)(hcryp->pCrypOutBuffPtr));
- }
- }
- if ((hcryp->Size < 16U) != 0U)
- {
- /* Compute the number of padding bytes in last block of payload */
- npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
- /* Number of valid words (lastwordsize) in last block */
- if ((npblb % 4U) == 0U)
- {
- lastwordsize = (16U - npblb) / 4U;
- }
- else
- {
- lastwordsize = ((16U - npblb) / 4U) + 1U;
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < lastwordsize; loopcounter ++)
- {
- /* Write the last input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (loopcounter < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0U;
- loopcounter++;
- }
- count = CRYP_TIMEOUT_GCMCCMINITPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state and phase */
- hcryp->State = HAL_CRYP_STATE_READY;
- }
- }
- else
- {
- /* Process unLocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state and phase */
- hcryp->State = HAL_CRYP_STATE_READY;
- }
- #endif /* AES */
- #if defined(CRYP)
- /********************* Header phase *****************************************/
- if (CRYP_GCMCCM_SetHeaderPhase_DMA(hcryp) != HAL_OK)
- {
- return HAL_ERROR;
- }
- /******************** Payload phase *****************************************/
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Disable the CRYP peripheral */
- __HAL_CRYP_DISABLE(hcryp);
- /* Select payload phase once the header phase is performed */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
- } /* if (DoKeyIVConfig == 1U) */
- if (hcryp->Size != 0U)
- {
- /* Size should be %4 otherwise Tag will be incorrectly generated for GCM Encryption & CCM Decryption
- Workaround is implemented in polling mode, so if last block of
- payload <128bit don't use HAL_CRYP_AESGCM_DMA otherwise TAG is incorrectly generated for GCM Encryption. */
- /* Set the input and output addresses and start DMA transfer */
- if ((hcryp->Size % 16U) == 0U)
- {
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), hcryp->Size / 4U, (uint32_t)(hcryp->pCrypOutBuffPtr));
- }
- else
- {
- wordsize = (uint32_t)(hcryp->Size) + 16U - ((uint32_t)(hcryp->Size) % 16U) ;
- /* Set the input and output addresses and start DMA transfer, pCrypOutBuffPtr size should be %4*/
- CRYP_SetDMAConfig(hcryp, (uint32_t)(hcryp->pCrypInBuffPtr), (uint16_t)wordsize / 4U,
- (uint32_t)(hcryp->pCrypOutBuffPtr));
- }
- }
- else /*Size = 0*/
- {
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state and phase */
- hcryp->State = HAL_CRYP_STATE_READY;
- }
- #endif /* CRYP */
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Sets the payload phase in iterrupt mode
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @retval state
- */
- static void CRYP_GCMCCM_SetPayloadPhase_IT(CRYP_HandleTypeDef *hcryp)
- {
- uint32_t loopcounter;
- uint32_t temp[4]; /* Temporary CrypOutBuff */
- uint32_t lastwordsize;
- uint32_t npblb;
- uint32_t i;
- #if defined(AES)
- uint16_t outcount; /* Temporary CrypOutCount Value */
- #endif /* AES */
- /***************************** Payload phase *******************************/
- #if defined(CRYP)
- if (hcryp->Size == 0U)
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- }
- else if (((hcryp->Size / 4U) - (hcryp->CrypInCount)) >= 4U)
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- if (((hcryp->Size / 4U) == hcryp->CrypInCount) && ((hcryp->Size % 16U) == 0U))
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
- /* Call the input data transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- if (hcryp->CrypOutCount < (hcryp->Size / 4U))
- {
- /* Read the output block from the Output FIFO and put them in temporary buffer then get CrypOutBuff from temporary buffer */
- for (i = 0U; i < 4U; i++)
- {
- temp[i] = hcryp->Instance->DOUT;
- }
- i = 0U;
- while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- if (((hcryp->Size / 4U) == hcryp->CrypOutCount) && ((hcryp->Size % 16U) == 0U))
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Disable CRYP */
- __HAL_CRYP_DISABLE(hcryp);
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Call output transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Output complete callback*/
- hcryp->OutCpltCallback(hcryp);
- #else
- /*Call legacy weak Output complete callback*/
- HAL_CRYP_OutCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- }
- else if ((hcryp->Size % 16U) != 0U)
- {
- /* Size should be %4 in word and %16 in byte otherwise TAG will be incorrectly generated for GCM Encryption & CCM Decryption
- Workaround is implemented in polling mode, so if last block of
- payload <128bit don't use CRYP_AESGCM_Encrypt_IT otherwise TAG is incorrectly generated. */
- /* Compute the number of padding bytes in last block of payload */
- npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
- /* Number of valid words (lastwordsize) in last block */
- if ((npblb % 4U) == 0U)
- {
- lastwordsize = (16U - npblb) / 4U;
- }
- else
- {
- lastwordsize = ((16U - npblb) / 4U) + 1U;
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < lastwordsize; loopcounter++)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (loopcounter < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DIN = 0x0U;
- loopcounter++;
- }
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
- if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
- {
- for (i = 0U; i < 4U; i++)
- {
- temp[i] = hcryp->Instance->DOUT;
- }
- if (((hcryp->Size) / 4U) == 0U)
- {
- for (i = 0U; i < ((uint32_t)(hcryp->Size) % 4U); i++)
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- }
- }
- i = 0x0U;
- while (((hcryp->CrypOutCount < ((hcryp->Size) / 4U))) && (i < 4U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- }
- if (hcryp->CrypOutCount >= (hcryp->Size / 4U))
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_OUTI | CRYP_IT_INI);
- /* Change the CRYP peripheral state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Call output transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Output complete callback*/
- hcryp->OutCpltCallback(hcryp);
- #else
- /*Call legacy weak Output complete callback*/
- HAL_CRYP_OutCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- else
- {
- /* Nothing to do */
- }
- #else /* AES */
- /* Read the output block from the output FIFO and put them in temporary buffer then get CrypOutBuff from temporary buffer*/
- for (i = 0U; i < 4U; i++)
- {
- temp[i] = hcryp->Instance->DOUTR;
- }
- i = 0U;
- while ((hcryp->CrypOutCount < ((hcryp->Size + 3U) / 4U)) && (i < 4U))
- {
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + hcryp->CrypOutCount) = temp[i];
- hcryp->CrypOutCount++;
- i++;
- }
- /*Temporary CrypOutCount Value*/
- outcount = hcryp->CrypOutCount;
- if ((hcryp->CrypOutCount >= (hcryp->Size / 4U)) && ((outcount * 4U) >= hcryp->Size))
- {
- /* Disable computation complete flag and errors interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- /* Call output transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Output complete callback*/
- hcryp->OutCpltCallback(hcryp);
- #else
- /*Call legacy weak Output complete callback*/
- HAL_CRYP_OutCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- else if (((hcryp->Size / 4U) - (hcryp->CrypInCount)) >= 4U)
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- if ((hcryp->CrypInCount == (hcryp->Size / 4U)) && ((hcryp->Size % 16U) == 0U))
- {
- /* Call Input transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- else /* Last block of payload < 128bit*/
- {
- /* Workaround not implemented, Size should be %4 otherwise Tag will be incorrectly
- generated for GCM Encryption & CCM Decryption. Workaround is implemented in polling mode, so if last block of
- payload <128bit don't use CRYP_Encrypt_IT otherwise TAG is incorrectly generated for GCM Encryption & CCM Decryption. */
- /* Compute the number of padding bytes in last block of payload */
- npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
- /* Number of valid words (lastwordsize) in last block */
- if ((npblb % 4U) == 0U)
- {
- lastwordsize = (16U - npblb) / 4U;
- }
- else
- {
- lastwordsize = ((16U - npblb) / 4U) + 1U;
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < lastwordsize; loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (loopcounter < 4U)
- {
- /* pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- }
- #endif /* AES */
- }
- /**
- * @brief Sets the header phase in polling mode
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module(Header & HeaderSize)
- * @param Timeout: Timeout value
- * @retval state
- */
- static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t loopcounter;
- uint32_t size_in_bytes;
- uint32_t tmp;
- uint32_t mask[12] = {0x0U, 0xFF000000U, 0xFFFF0000U, 0xFFFFFF00U, /* 32-bit data type */
- 0x0U, 0x0000FF00U, 0x0000FFFFU, 0xFF00FFFFU, /* 16-bit data type */
- 0x0U, 0x000000FFU, 0x0000FFFFU, 0x00FFFFFFU}; /* 8-bit data type */
- /***************************** Header phase for GCM/GMAC or CCM *********************************/
- if (hcryp->Init.HeaderWidthUnit == CRYP_HEADERWIDTHUNIT_WORD)
- {
- size_in_bytes = hcryp->Init.HeaderSize * 4U;
- }
- else
- {
- size_in_bytes = hcryp->Init.HeaderSize;
- }
- if (size_in_bytes != 0U)
- {
- #if defined(CRYP)
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- if ((size_in_bytes % 16U) == 0U)
- {
- /* HeaderSize %4, no padding */
- for (loopcounter = 0U; (loopcounter < (size_in_bytes / 4U)); loopcounter += 4U)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- /* Wait for IFEM to be raised */
- if (CRYP_WaitOnIFEMFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- }
- else
- {
- /*Write header block in the IN FIFO without last block */
- for (loopcounter = 0U; (loopcounter < ((size_in_bytes / 16U) * 4U)); loopcounter += 4U)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- /* Wait for IFEM to be raised */
- if (CRYP_WaitOnIFEMFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; (loopcounter < ((size_in_bytes / 4U) % 4U)); loopcounter++)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- /* If the header size is a multiple of words */
- if ((size_in_bytes % 4U) == 0U)
- {
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DIN = 0x0U;
- loopcounter++;
- }
- }
- else
- {
- /* Enter last bytes, padded with zeroes */
- tmp = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- tmp &= mask[(hcryp->Init.DataType * 2U) + (size_in_bytes % 4U)];
- hcryp->Instance->DIN = tmp;
- loopcounter++;
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DIN = 0x0U;
- loopcounter++;
- }
- }
- /* Wait for CCF IFEM to be raised */
- if (CRYP_WaitOnIFEMFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- }
- /* Wait until the complete message has been processed */
- if (CRYP_WaitOnBUSYFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked & return error */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- #else /* AES */
- if (hcryp->Init.Algorithm == CRYP_AES_GCM_GMAC)
- {
- /* Workaround 1 :only AES before re-enabling the IP, datatype can be configured.*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, hcryp->Init.DataType);
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- }
- /* If size_in_bytes is a multiple of blocks (a multiple of four 32-bits words ) */
- if ((size_in_bytes % 16U) == 0U)
- {
- /* No padding */
- for (loopcounter = 0U; (loopcounter < (size_in_bytes / 4U)); loopcounter += 4U)
- {
- /* Write the input block in the data input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- }
- else
- {
- /*Write header block in the IN FIFO without last block */
- for (loopcounter = 0U; (loopcounter < ((size_in_bytes / 16U) * 4U)); loopcounter += 4U)
- {
- /* Write the input block in the data input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- /* Write last complete words */
- for (loopcounter = 0U; (loopcounter < ((size_in_bytes / 4U) % 4U)); loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- /* If the header size is a multiple of words */
- if ((size_in_bytes % 4U) == 0U)
- {
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- }
- else
- {
- /* Enter last bytes, padded with zeroes */
- tmp = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- tmp &= mask[(hcryp->Init.DataType * 2U) + (size_in_bytes % 4U)];
- hcryp->Instance->DINR = tmp;
- loopcounter++;
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- }
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- #endif /* End AES or CRYP */
- }
- else
- {
- #if defined(AES)
- if (hcryp->Init.Algorithm == CRYP_AES_GCM_GMAC)
- {
- /*Workaround 1: only AES, before re-enabling the IP, datatype can be configured.*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, hcryp->Init.DataType);
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- }
- #endif /* AES */
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Sets the header phase when using DMA in process
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module(Header & HeaderSize)
- * @retval None
- */
- static HAL_StatusTypeDef CRYP_GCMCCM_SetHeaderPhase_DMA(CRYP_HandleTypeDef *hcryp)
- {
- __IO uint32_t count = 0U;
- uint32_t loopcounter;
- uint32_t headersize_in_bytes;
- uint32_t tmp;
- uint32_t mask[12] = {0x0U, 0xFF000000U, 0xFFFF0000U, 0xFFFFFF00U, /* 32-bit data type */
- 0x0U, 0x0000FF00U, 0x0000FFFFU, 0xFF00FFFFU, /* 16-bit data type */
- 0x0U, 0x000000FFU, 0x0000FFFFU, 0x00FFFFFFU}; /* 8-bit data type */
- /***************************** Header phase for GCM/GMAC or CCM *********************************/
- if (hcryp->Init.HeaderWidthUnit == CRYP_HEADERWIDTHUNIT_WORD)
- {
- headersize_in_bytes = hcryp->Init.HeaderSize * 4U;
- }
- else
- {
- headersize_in_bytes = hcryp->Init.HeaderSize;
- }
-
- if (headersize_in_bytes != 0U)
- {
- #if defined(CRYP)
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- if ((headersize_in_bytes % 16U) == 0U)
- {
- /* HeaderSize %4, no padding */
- for (loopcounter = 0U; (loopcounter < (headersize_in_bytes / 4U)); loopcounter += 4U)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- /* Wait for IFEM to be raised */
- count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM));
- }
- }
- else
- {
- /*Write header block in the IN FIFO without last block */
- for (loopcounter = 0U; (loopcounter < ((headersize_in_bytes / 16U) * 4U)); loopcounter += 4U)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- /* Wait for IFEM to be raised */
- count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM));
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; (loopcounter < ((headersize_in_bytes / 4U) % 4U)); loopcounter++)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- /* If the header size is a multiple of words */
- if ((headersize_in_bytes % 4U) == 0U)
- {
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DIN = 0x0U;
- loopcounter++;
- }
- }
- else
- {
- /* Enter last bytes, padded with zeroes */
- tmp = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- tmp &= mask[(hcryp->Init.DataType * 2U) + (headersize_in_bytes % 4U)];
- hcryp->Instance->DIN = tmp;
- loopcounter++;
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DIN = 0x0U;
- loopcounter++;
- }
- }
- /* Wait for IFEM to be raised */
- count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM));
- }
- /* Wait until the complete message has been processed */
- count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY));
- #else /* AES */
- if (hcryp->Init.Algorithm == CRYP_AES_GCM_GMAC)
- {
- /* Workaround 1: only AES, before re-enabling the IP, datatype can be configured.*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, hcryp->Init.DataType);
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- }
- if ((headersize_in_bytes % 16U) == 0U)
- {
- /* HeaderSize %4, no padding */
- for (loopcounter = 0U; (loopcounter < (headersize_in_bytes / 4U)); loopcounter += 4U)
- {
- /* Write the input block in the data input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- /*Wait on CCF flag*/
- count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- }
- else
- {
- /*Write header block in the IN FIFO without last block */
- for (loopcounter = 0U; (loopcounter < ((headersize_in_bytes / 16U) * 4U)); loopcounter += 4U)
- {
- /* Write the Input block in the Data Input register */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- /*Wait on CCF flag*/
- count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; (loopcounter < ((headersize_in_bytes /4U) % 4U)); loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- /* If the header size is a multiple of words */
- if ((headersize_in_bytes % 4U) == 0U)
- {
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- }
- else
- {
- /* Enter last bytes, padded with zeroes */
- tmp = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- tmp &= mask[(hcryp->Init.DataType * 2U) + (headersize_in_bytes % 4U)];
- hcryp->Instance->DINR = tmp;
- loopcounter++;
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- }
- /*Wait on CCF flag*/
- count = CRYP_TIMEOUT_GCMCCMHEADERPHASE;
- do
- {
- count-- ;
- if (count == 0U)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- return HAL_ERROR;
- }
- } while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF));
- /* Clear CCF flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- }
- #endif /* End AES or CRYP */
- }
- else
- {
- #if defined(AES)
- if (hcryp->Init.Algorithm == CRYP_AES_GCM_GMAC)
- {
- /*Workaround 1: only AES, before re-enabling the IP, datatype can be configured.*/
- MODIFY_REG(hcryp->Instance->CR, AES_CR_DATATYPE, hcryp->Init.DataType);
- /* Select header phase */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_HEADER);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- }
- #endif /* AES */
- }
- /* Return function status */
- return HAL_OK;
- }
- /**
- * @brief Sets the header phase in interrupt mode
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module(Header & HeaderSize)
- * @retval None
- */
- static void CRYP_GCMCCM_SetHeaderPhase_IT(CRYP_HandleTypeDef *hcryp)
- {
- uint32_t loopcounter;
- #if defined(AES)
- uint32_t lastwordsize;
- uint32_t npblb;
- #endif
- uint32_t headersize_in_bytes;
- uint32_t tmp;
- uint32_t mask[12] = {0x0U, 0xFF000000U, 0xFFFF0000U, 0xFFFFFF00U, /* 32-bit data type */
- 0x0U, 0x0000FF00U, 0x0000FFFFU, 0xFF00FFFFU, /* 16-bit data type */
- 0x0U, 0x000000FFU, 0x0000FFFFU, 0x00FFFFFFU}; /* 8-bit data type */
- if (hcryp->Init.HeaderWidthUnit == CRYP_HEADERWIDTHUNIT_WORD)
- {
- headersize_in_bytes = hcryp->Init.HeaderSize * 4U;
- }
- else
- {
- headersize_in_bytes = hcryp->Init.HeaderSize;
- }
- /***************************** Header phase *********************************/
- #if defined(CRYP)
- if (headersize_in_bytes <= ((uint32_t)(hcryp->CrypHeaderCount) * 4U))
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_INI);
- /* Disable the CRYP peripheral */
- __HAL_CRYP_DISABLE(hcryp);
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Select payload phase once the header phase is performed */
- CRYP_SET_PHASE(hcryp, CRYP_PHASE_PAYLOAD);
- /* Enable Interrupts */
- __HAL_CRYP_ENABLE_IT(hcryp, CRYP_IT_INI | CRYP_IT_OUTI);
- /* Enable the CRYP peripheral */
- __HAL_CRYP_ENABLE(hcryp);
- }
- else if (((headersize_in_bytes / 4U) - (hcryp->CrypHeaderCount)) >= 4U)
- {
- /* HeaderSize %4, no padding */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- else
- {
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < ((headersize_in_bytes / 4U) % 4U); loopcounter++)
- {
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- if ((headersize_in_bytes % 4U) == 0U)
- {
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DIN = 0x0U;
- loopcounter++;
- hcryp->CrypHeaderCount++;
- }
- }
- else
- {
- /* Enter last bytes, padded with zeros */
- tmp = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- tmp &= mask[(hcryp->Init.DataType * 2U) + (headersize_in_bytes % 4U)];
- hcryp->Instance->DIN = tmp;
- loopcounter++;
- hcryp->CrypHeaderCount++;
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DIN = 0x0U;
- loopcounter++;
- hcryp->CrypHeaderCount++;
- }
- }
- }
- #else /* AES */
- if (headersize_in_bytes <= ((uint32_t)(hcryp->CrypHeaderCount) * 4U))
- {
- /* Set the phase */
- hcryp->Phase = CRYP_PHASE_PROCESS;
- /* Payload phase not supported in CCM AES2 */
- if (hcryp->Init.Algorithm == CRYP_AES_GCM_GMAC)
- {
- /* Select payload phase once the header phase is performed */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_PHASE_PAYLOAD);
- }
- if (hcryp->Init.Algorithm == CRYP_AES_CCM)
- {
- /* Increment CrypHeaderCount to pass in CRYP_GCMCCM_SetPayloadPhase_IT */
- hcryp->CrypHeaderCount++;
- }
- /* Write the payload Input block in the IN FIFO */
- if (hcryp->Size == 0U)
- {
- /* Disable interrupts */
- __HAL_CRYP_DISABLE_IT(hcryp, CRYP_IT_CCFIE | CRYP_IT_ERRIE);
- /* Change the CRYP state */
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- }
- else if (hcryp->Size >= 16U)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- if ((hcryp->CrypInCount == (hcryp->Size / 4U)) && ((hcryp->Size % 16U) == 0U))
- {
- /* Call the input data transfer complete callback */
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered Input complete callback*/
- hcryp->InCpltCallback(hcryp);
- #else
- /*Call legacy weak Input complete callback*/
- HAL_CRYP_InCpltCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- else /* Size < 4 words : first block is the last block*/
- {
- /* Workaround not implemented, Size should be %4 otherwise Tag will be incorrectly
- generated for GCM Encryption. Workaround is implemented in polling mode, so if last block of
- payload <128bit don't use CRYP_Encrypt_IT otherwise TAG is incorrectly generated for GCM Encryption. */
- /* Compute the number of padding bytes in last block of payload */
- npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
- /* Number of valid words (lastwordsize) in last block */
- if ((npblb % 4U) == 0U)
- {
- lastwordsize = (16U - npblb) / 4U;
- }
- else
- {
- lastwordsize = ((16U - npblb) / 4U) + 1U;
- }
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < lastwordsize; loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (loopcounter < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- }
- }
- }
- else if (((headersize_in_bytes / 4U) - (hcryp->CrypHeaderCount)) >= 4U)
- {
- /* Write the input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++;
- }
- else /*HeaderSize < 4 or HeaderSize >4 & HeaderSize %4 != 0*/
- {
- /* Last block optionally pad the data with zeros*/
- for (loopcounter = 0U; loopcounter < ((headersize_in_bytes / 4U) % 4U); loopcounter++)
- {
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- hcryp->CrypHeaderCount++ ;
- }
- /* If the header size is a multiple of words */
- if ((headersize_in_bytes % 4U) == 0U)
- {
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- hcryp->CrypHeaderCount++;
- }
- }
- else
- {
- /* Enter last bytes, padded with zeros */
- tmp = *(uint32_t *)(hcryp->Init.Header + hcryp->CrypHeaderCount);
- tmp &= mask[(hcryp->Init.DataType * 2U) + (headersize_in_bytes % 4U)];
- hcryp->Instance->DINR = tmp;
- loopcounter++;
- hcryp->CrypHeaderCount++;
- /* Pad the data with zeros to have a complete block */
- while (loopcounter < 4U)
- {
- hcryp->Instance->DINR = 0x0U;
- loopcounter++;
- hcryp->CrypHeaderCount++;
- }
- }
- }
- #endif /* End AES or CRYP */
- }
- /**
- * @brief Workaround used for GCM/CCM mode.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module
- * @param Timeout: specify Timeout value
- * @retval None
- */
- static void CRYP_Workaround(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t lastwordsize;
- uint32_t npblb;
- #if defined(CRYP)
- uint32_t iv1temp;
- uint32_t temp[4] = {0};
- uint32_t temp2[4] = {0};
- #endif /* CRYP */
- uint32_t intermediate_data[4] = {0};
- uint32_t index;
- /* Compute the number of padding bytes in last block of payload */
- npblb = ((((uint32_t)(hcryp->Size) / 16U) + 1U) * 16U) - (uint32_t)(hcryp->Size);
- /* Number of valid words (lastwordsize) in last block */
- if ((npblb % 4U) == 0U)
- {
- lastwordsize = (16U - npblb) / 4U;
- }
- else
- {
- lastwordsize = ((16U - npblb) / 4U) + 1U;
- }
- #if defined(CRYP)
- /* Workaround 2, case GCM encryption */
- if (hcryp->Init.Algorithm == CRYP_AES_GCM)
- {
- if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_ENCRYPT)
- {
- /*Workaround in order to properly compute authentication tags while doing
- a GCM encryption with the last block of payload size inferior to 128 bits*/
- /* Disable CRYP to start the final phase */
- __HAL_CRYP_DISABLE(hcryp);
- /*Update CRYP_IV1R register and ALGOMODE*/
- hcryp->Instance->IV1RR = ((hcryp->Instance->CSGCMCCM7R) - 1U);
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_CTR);
- /* Enable CRYP to start the final phase */
- __HAL_CRYP_ENABLE(hcryp);
- }
- /* Last block optionally pad the data with zeros*/
- for (index = 0; index < lastwordsize; index ++)
- {
- /* Write the last input block in the IN FIFO */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (index < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DIN = 0U;
- index++;
- }
- /* Wait for OFNE flag to be raised */
- if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
- {
- for (index = 0U; index < 4U; index++)
- {
- /* Read the output block from the output FIFO */
- intermediate_data[index] = hcryp->Instance->DOUT;
- /* Intermediate data buffer to be used in for the workaround*/
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = intermediate_data[index];
- hcryp->CrypOutCount++;
- }
- }
- if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_ENCRYPT)
- {
- /*workaround in order to properly compute authentication tags while doing
- a GCM encryption with the last block of payload size inferior to 128 bits*/
- /* Change the AES mode to GCM mode and Select Final phase */
- /* configured CHMOD GCM */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_GCM);
- /* configured final phase */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_GCM_CCMPH, CRYP_PHASE_FINAL);
- if ((hcryp->Instance->CR & CRYP_CR_DATATYPE) == CRYP_DATATYPE_32B)
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFFFFFF00U;
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFFFF0000U;
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFF000000U;
- }
- }
- else if ((hcryp->Instance->CR & CRYP_CR_DATATYPE) == CRYP_DATATYPE_8B)
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= __REV(0xFFFFFF00U);
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= __REV(0xFFFF0000U);
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= __REV(0xFF000000U);
- }
- }
- else if ((hcryp->Instance->CR & CRYP_CR_DATATYPE) == CRYP_DATATYPE_16B)
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= __ROR((0xFFFFFF00U), 16);
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= __ROR((0xFFFF0000U), 16);
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= __ROR((0xFF000000U), 16);
- }
- }
- else /*CRYP_DATATYPE_1B*/
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= __RBIT(0xFFFFFF00U);
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= __RBIT(0xFFFF0000U);
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= __RBIT(0xFF000000U);
- }
- }
- for (index = 0U; index < lastwordsize; index ++)
- {
- /*Write the intermediate_data in the IN FIFO */
- hcryp->Instance->DIN = intermediate_data[index];
- }
- while (index < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DIN = 0x0U;
- index++;
- }
- /* Wait for OFNE flag to be raised */
- if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
- {
- for (index = 0U; index < 4U; index++)
- {
- intermediate_data[index] = hcryp->Instance->DOUT;
- }
- }
- }
- } /* End of GCM encryption */
- else
- {
- /* Workaround 2, case CCM decryption, in order to properly compute
- authentication tags while doing a CCM decryption with the last block
- of payload size inferior to 128 bits*/
- if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_DECRYPT)
- {
- iv1temp = hcryp->Instance->CSGCMCCM7R;
- /* Disable CRYP to start the final phase */
- __HAL_CRYP_DISABLE(hcryp);
- temp[0] = hcryp->Instance->CSGCMCCM0R;
- temp[1] = hcryp->Instance->CSGCMCCM1R;
- temp[2] = hcryp->Instance->CSGCMCCM2R;
- temp[3] = hcryp->Instance->CSGCMCCM3R;
- hcryp->Instance->IV1RR = iv1temp;
- /* Configured CHMOD CTR */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_CTR);
- /* Enable CRYP to start the final phase */
- __HAL_CRYP_ENABLE(hcryp);
- }
- /* Last block optionally pad the data with zeros*/
- for (index = 0; index < lastwordsize; index ++)
- {
- /* Write the last Input block in the IN FIFO */
- hcryp->Instance->DIN = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (index < 4U)
- {
- /* Pad the data with zeros to have a complete block */
- hcryp->Instance->DIN = 0U;
- index++;
- }
- /* Wait for OFNE flag to be raised */
- if (CRYP_WaitOnOFNEFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- if ((hcryp->Instance->SR & CRYP_FLAG_OFNE) != 0x0U)
- {
- for (index = 0U; index < 4U; index++)
- {
- /* Read the Output block from the Output FIFO */
- intermediate_data[index] = hcryp->Instance->DOUT;
- /*intermediate data buffer to be used in for the workaround*/
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = intermediate_data[index];
- hcryp->CrypOutCount++;
- }
- }
- if ((hcryp->Instance->CR & CRYP_CR_ALGODIR) == CRYP_OPERATINGMODE_DECRYPT)
- {
- temp2[0] = hcryp->Instance->CSGCMCCM0R;
- temp2[1] = hcryp->Instance->CSGCMCCM1R;
- temp2[2] = hcryp->Instance->CSGCMCCM2R;
- temp2[3] = hcryp->Instance->CSGCMCCM3R;
- /* configured CHMOD CCM */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_ALGOMODE, CRYP_AES_CCM);
- /* configured Header phase */
- MODIFY_REG(hcryp->Instance->CR, CRYP_CR_GCM_CCMPH, CRYP_PHASE_HEADER);
- /*set to zero the bits corresponding to the padded bits*/
- for (index = lastwordsize; index < 4U; index ++)
- {
- intermediate_data[index] = 0U;
- }
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFFFFFF00U;
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFFFF0000U;
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFF000000U;
- }
- for (index = 0U; index < 4U ; index ++)
- {
- intermediate_data[index] ^= temp[index];
- intermediate_data[index] ^= temp2[index];
- }
- for (index = 0U; index < 4U; index ++)
- {
- /* Write the last Input block in the IN FIFO */
- hcryp->Instance->DIN = intermediate_data[index] ;
- }
- /* Wait for BUSY flag to be raised */
- if (CRYP_WaitOnBUSYFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- }
- } /* End of CCM WKA*/
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- #else /* AES */
- /*Workaround 2: case GCM encryption, during payload phase and before inserting
- the last block of paylaod, which size is inferior to 128 bits */
- if ((hcryp->Instance->CR & AES_CR_MODE) == CRYP_OPERATINGMODE_ENCRYPT)
- {
- /* configured CHMOD CTR */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_CHMOD, CRYP_AES_CTR);
- }
- /* last block optionally pad the data with zeros*/
- for (index = 0U; index < lastwordsize; index ++)
- {
- /* Write the last Input block in the IN FIFO */
- hcryp->Instance->DINR = *(uint32_t *)(hcryp->pCrypInBuffPtr + hcryp->CrypInCount);
- hcryp->CrypInCount++;
- }
- while (index < 4U)
- {
- /* pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0U;
- index++;
- }
- /* Wait for CCF flag to be raised */
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- hcryp->State = HAL_CRYP_STATE_READY;
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- for (index = 0U; index < 4U; index++)
- {
- /* Read the Output block from the Output FIFO */
- intermediate_data[index] = hcryp->Instance->DOUTR;
- /*intermediate data buffer to be used in the workaround*/
- *(uint32_t *)(hcryp->pCrypOutBuffPtr + (hcryp->CrypOutCount)) = intermediate_data[index];
- hcryp->CrypOutCount++;
- }
- if ((hcryp->Instance->CR & AES_CR_MODE) == CRYP_OPERATINGMODE_ENCRYPT)
- {
- /* configured CHMOD GCM */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_CHMOD, CRYP_AES_GCM_GMAC);
- /* Select final phase */
- MODIFY_REG(hcryp->Instance->CR, AES_CR_GCMPH, CRYP_PHASE_FINAL);
- if ((hcryp->Instance->CR & AES_CR_DATATYPE) == CRYP_DATATYPE_32B)
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFFFFFF00U;
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFFFF0000U;
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= 0xFF000000U;
- }
- }
- else if ((hcryp->Instance->CR & AES_CR_DATATYPE) == CRYP_DATATYPE_8B)
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= __REV(0xFFFFFF00U);
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= __REV(0xFFFF0000U);
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= __REV(0xFF000000U);
- }
- }
- else if ((hcryp->Instance->CR & AES_CR_DATATYPE) == CRYP_DATATYPE_16B)
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= __ROR((0xFFFFFF00U), 16);
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= __ROR((0xFFFF0000U), 16);
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= __ROR((0xFF000000U), 16);
- }
- }
- else /*CRYP_DATATYPE_1B*/
- {
- if ((npblb % 4U) == 1U)
- {
- intermediate_data[lastwordsize - 1U] &= __RBIT(0xFFFFFF00U);
- }
- if ((npblb % 4U) == 2U)
- {
- intermediate_data[lastwordsize - 1U] &= __RBIT(0xFFFF0000U);
- }
- if ((npblb % 4U) == 3U)
- {
- intermediate_data[lastwordsize - 1U] &= __RBIT(0xFF000000U);
- }
- }
- /*Write the intermediate_data in the IN FIFO */
- for (index = 0U; index < lastwordsize; index ++)
- {
- hcryp->Instance->DINR = intermediate_data[index];
- }
- while (index < 4U)
- {
- /* pad the data with zeros to have a complete block */
- hcryp->Instance->DINR = 0U;
- index++;
- }
- /* Wait for CCF flag to be raised */
- if (CRYP_WaitOnCCFlag(hcryp, Timeout) != HAL_OK)
- {
- /* Disable the CRYP peripheral clock */
- __HAL_CRYP_DISABLE(hcryp);
- /* Change state */
- hcryp->ErrorCode |= HAL_CRYP_ERROR_TIMEOUT;
- hcryp->State = HAL_CRYP_STATE_READY;
- /* Process Unlocked */
- __HAL_UNLOCK(hcryp);
- #if (USE_HAL_CRYP_REGISTER_CALLBACKS == 1U)
- /*Call registered error callback*/
- hcryp->ErrorCallback(hcryp);
- #else
- /*Call legacy weak error callback*/
- HAL_CRYP_ErrorCallback(hcryp);
- #endif /* USE_HAL_CRYP_REGISTER_CALLBACKS */
- }
- /* Clear CCF Flag */
- __HAL_CRYP_CLEAR_FLAG(hcryp, CRYP_CCF_CLEAR);
- for (index = 0U; index < 4U; index++)
- {
- intermediate_data[index] = hcryp->Instance->DOUTR;
- }
- }/*End of Workaround 2*/
- #endif /* End AES or CRYP */
- }
- #endif /* AES or GCM CCM defined*/
- #if defined (CRYP)
- #if defined (CRYP_CR_ALGOMODE_AES_GCM)
- /**
- * @brief Handle CRYP hardware block Timeout when waiting for IFEM flag to be raised.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @param Timeout: Timeout duration.
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_WaitOnIFEMFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t tickstart;
- /* Get timeout */
- tickstart = HAL_GetTick();
- while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_IFEM))
- {
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- return HAL_ERROR;
- }
- }
- }
- return HAL_OK;
- }
- #endif /* GCM CCM defined*/
- /**
- * @brief Handle CRYP hardware block Timeout when waiting for BUSY flag to be raised.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @param Timeout: Timeout duration.
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_WaitOnBUSYFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t tickstart;
- /* Get timeout */
- tickstart = HAL_GetTick();
- while (HAL_IS_BIT_SET(hcryp->Instance->SR, CRYP_FLAG_BUSY))
- {
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- return HAL_ERROR;
- }
- }
- }
- return HAL_OK;
- }
- /**
- * @brief Handle CRYP hardware block Timeout when waiting for OFNE flag to be raised.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @param Timeout: Timeout duration.
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_WaitOnOFNEFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t tickstart;
- /* Get timeout */
- tickstart = HAL_GetTick();
- while (HAL_IS_BIT_CLR(hcryp->Instance->SR, CRYP_FLAG_OFNE))
- {
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- return HAL_ERROR;
- }
- }
- }
- return HAL_OK;
- }
- #else /* AES */
- /**
- * @brief Handle CRYP hardware block Timeout when waiting for CCF flag to be raised.
- * @param hcryp: pointer to a CRYP_HandleTypeDef structure that contains
- * the configuration information for CRYP module.
- * @param Timeout: Timeout duration.
- * @retval HAL status
- */
- static HAL_StatusTypeDef CRYP_WaitOnCCFlag(CRYP_HandleTypeDef *hcryp, uint32_t Timeout)
- {
- uint32_t tickstart;
- /* Get timeout */
- tickstart = HAL_GetTick();
- while (HAL_IS_BIT_CLR(hcryp->Instance->SR, AES_SR_CCF))
- {
- /* Check for the Timeout */
- if (Timeout != HAL_MAX_DELAY)
- {
- if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
- {
- return HAL_ERROR;
- }
- }
- }
- return HAL_OK;
- }
- #endif /* End AES or CRYP */
- /**
- * @}
- */
- /**
- * @}
- */
- /**
- * @}
- */
- #endif /* HAL_CRYP_MODULE_ENABLED */
- /**
- * @}
- */
- #endif /* TinyAES or CRYP*/
- /**
- * @}
- */
|