1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 */ 5 6 /* Based on GP TEE Internal API Specification Version 0.27 */ 7 #ifndef TEE_INTERNAL_API_H 8 #define TEE_INTERNAL_API_H 9 10 #ifdef __TEE_API_COMPAT_H 11 #error "<tee_api_compat.h> must not be included before <tee_internal_api.h>" 12 #endif 13 14 #include <compiler.h> 15 #include <stddef.h> 16 #include <tee_api_defines.h> 17 #include <tee_api_types.h> 18 #include <trace.h> 19 20 /* Property access functions */ 21 22 TEE_Result TEE_GetPropertyAsString(TEE_PropSetHandle propsetOrEnumerator, 23 const char *name, char *valueBuffer, 24 size_t *valueBufferLen); 25 TEE_Result __GP11_TEE_GetPropertyAsString(TEE_PropSetHandle propsetOrEnumerator, 26 const char *name, char *valueBuffer, 27 uint32_t *valueBufferLen); 28 29 TEE_Result TEE_GetPropertyAsBool(TEE_PropSetHandle propsetOrEnumerator, 30 const char *name, bool *value); 31 32 TEE_Result TEE_GetPropertyAsU32(TEE_PropSetHandle propsetOrEnumerator, 33 const char *name, uint32_t *value); 34 35 TEE_Result TEE_GetPropertyAsU64(TEE_PropSetHandle propsetOrEnumerator, 36 const char *name, uint64_t *value); 37 38 TEE_Result TEE_GetPropertyAsBinaryBlock(TEE_PropSetHandle propsetOrEnumerator, 39 const char *name, void *valueBuffer, 40 size_t *valueBufferLen); 41 TEE_Result 42 __GP11_TEE_GetPropertyAsBinaryBlock(TEE_PropSetHandle propsetOrEnumerator, 43 const char *name, void *valueBuffer, 44 uint32_t *valueBufferLen); 45 46 TEE_Result TEE_GetPropertyAsUUID(TEE_PropSetHandle propsetOrEnumerator, 47 const char *name, TEE_UUID *value); 48 49 TEE_Result TEE_GetPropertyAsIdentity(TEE_PropSetHandle propsetOrEnumerator, 50 const char *name, TEE_Identity *value); 51 52 TEE_Result TEE_AllocatePropertyEnumerator(TEE_PropSetHandle *enumerator); 53 54 void TEE_FreePropertyEnumerator(TEE_PropSetHandle enumerator); 55 56 void TEE_StartPropertyEnumerator(TEE_PropSetHandle enumerator, 57 TEE_PropSetHandle propSet); 58 59 void TEE_ResetPropertyEnumerator(TEE_PropSetHandle enumerator); 60 61 TEE_Result TEE_GetPropertyName(TEE_PropSetHandle enumerator, 62 void *nameBuffer, size_t *nameBufferLen); 63 TEE_Result __GP11_TEE_GetPropertyName(TEE_PropSetHandle enumerator, 64 void *nameBuffer, 65 uint32_t *nameBufferLen); 66 67 TEE_Result TEE_GetNextProperty(TEE_PropSetHandle enumerator); 68 69 /* System API - Misc */ 70 71 void TEE_Panic(TEE_Result panicCode); 72 73 /* System API - Internal Client API */ 74 75 TEE_Result TEE_OpenTASession(const TEE_UUID *destination, 76 uint32_t cancellationRequestTimeout, 77 uint32_t paramTypes, 78 TEE_Param params[TEE_NUM_PARAMS], 79 TEE_TASessionHandle *session, 80 uint32_t *returnOrigin); 81 TEE_Result __GP11_TEE_OpenTASession(const TEE_UUID *destination, 82 uint32_t cancellationRequestTimeout, 83 uint32_t paramTypes, 84 __GP11_TEE_Param params[TEE_NUM_PARAMS], 85 TEE_TASessionHandle *session, 86 uint32_t *returnOrigin); 87 88 void TEE_CloseTASession(TEE_TASessionHandle session); 89 90 TEE_Result TEE_InvokeTACommand(TEE_TASessionHandle session, 91 uint32_t cancellationRequestTimeout, 92 uint32_t commandID, uint32_t paramTypes, 93 TEE_Param params[TEE_NUM_PARAMS], 94 uint32_t *returnOrigin); 95 TEE_Result __GP11_TEE_InvokeTACommand(TEE_TASessionHandle session, 96 uint32_t cancellationRequestTimeout, 97 uint32_t commandID, uint32_t paramTypes, 98 __GP11_TEE_Param params[TEE_NUM_PARAMS], 99 uint32_t *returnOrigin); 100 101 /* System API - Cancellations */ 102 103 bool TEE_GetCancellationFlag(void); 104 105 bool TEE_UnmaskCancellation(void); 106 107 bool TEE_MaskCancellation(void); 108 109 /* System API - Memory Management */ 110 111 TEE_Result TEE_CheckMemoryAccessRights(uint32_t accessFlags, void *buffer, 112 size_t size); 113 TEE_Result __GP11_TEE_CheckMemoryAccessRights(uint32_t accessFlags, 114 void *buffer, uint32_t size); 115 116 void TEE_SetInstanceData(const void *instanceData); 117 118 const void *TEE_GetInstanceData(void); 119 120 void *TEE_Malloc(size_t size, uint32_t hint); 121 void *__GP11_TEE_Malloc(uint32_t size, uint32_t hint); 122 123 void *TEE_Realloc(void *buffer, size_t newSize); 124 void *__GP11_TEE_Realloc(void *buffer, uint32_t newSize); 125 126 void TEE_Free(void *buffer); 127 128 void *TEE_MemMove(void *dest, const void *src, size_t size); 129 void *__GP11_TEE_MemMove(void *dest, const void *src, uint32_t size); 130 131 /* 132 * Note: TEE_MemCompare() has a constant-time implementation (execution time 133 * does not depend on buffer content but only on buffer size). It is the main 134 * difference with memcmp(). 135 */ 136 int32_t TEE_MemCompare(const void *buffer1, const void *buffer2, size_t size); 137 int32_t __GP11_TEE_MemCompare(const void *buffer1, const void *buffer2, 138 uint32_t size); 139 140 void TEE_MemFill(void *buff, uint32_t x, size_t size); 141 void __GP11_TEE_MemFill(void *buff, uint32_t x, uint32_t size); 142 143 /* Data and Key Storage API - Generic Object Functions */ 144 145 void TEE_GetObjectInfo(TEE_ObjectHandle object, TEE_ObjectInfo *objectInfo); 146 void __GP11_TEE_GetObjectInfo(TEE_ObjectHandle object, 147 __GP11_TEE_ObjectInfo *objectInfo); 148 149 TEE_Result TEE_GetObjectInfo1(TEE_ObjectHandle object, 150 TEE_ObjectInfo *objectInfo); 151 TEE_Result __GP11_TEE_GetObjectInfo1(TEE_ObjectHandle object, 152 __GP11_TEE_ObjectInfo *objectInfo); 153 154 void TEE_RestrictObjectUsage(TEE_ObjectHandle object, uint32_t objectUsage); 155 TEE_Result TEE_RestrictObjectUsage1(TEE_ObjectHandle object, 156 uint32_t objectUsage); 157 158 TEE_Result TEE_GetObjectBufferAttribute(TEE_ObjectHandle object, 159 uint32_t attributeID, void *buffer, 160 size_t *size); 161 TEE_Result __GP11_TEE_GetObjectBufferAttribute(TEE_ObjectHandle object, 162 uint32_t attributeID, 163 void *buffer, uint32_t *size); 164 165 TEE_Result TEE_GetObjectValueAttribute(TEE_ObjectHandle object, 166 uint32_t attributeID, uint32_t *a, 167 uint32_t *b); 168 169 void TEE_CloseObject(TEE_ObjectHandle object); 170 171 /* Data and Key Storage API - Transient Object Functions */ 172 173 TEE_Result TEE_AllocateTransientObject(TEE_ObjectType objectType, 174 uint32_t maxObjectSize, 175 TEE_ObjectHandle *object); 176 TEE_Result __GP11_TEE_AllocateTransientObject(TEE_ObjectType objectType, 177 uint32_t maxKeySize, 178 TEE_ObjectHandle *object); 179 180 void TEE_FreeTransientObject(TEE_ObjectHandle object); 181 182 void TEE_ResetTransientObject(TEE_ObjectHandle object); 183 184 TEE_Result TEE_PopulateTransientObject(TEE_ObjectHandle object, 185 const TEE_Attribute *attrs, 186 uint32_t attrCount); 187 TEE_Result __GP11_TEE_PopulateTransientObject(TEE_ObjectHandle object, 188 const __GP11_TEE_Attribute *attrs, 189 uint32_t attrCount); 190 191 void TEE_InitRefAttribute(TEE_Attribute *attr, uint32_t attributeID, 192 const void *buffer, size_t length); 193 void __GP11_TEE_InitRefAttribute(__GP11_TEE_Attribute *attr, 194 uint32_t attributeID, 195 const void *buffer, uint32_t length); 196 197 void TEE_InitValueAttribute(TEE_Attribute *attr, uint32_t attributeID, 198 uint32_t a, uint32_t b); 199 void __GP11_TEE_InitValueAttribute(__GP11_TEE_Attribute *attr, 200 uint32_t attributeID, 201 uint32_t a, uint32_t b); 202 203 void TEE_CopyObjectAttributes(TEE_ObjectHandle destObject, 204 TEE_ObjectHandle srcObject); 205 206 TEE_Result TEE_CopyObjectAttributes1(TEE_ObjectHandle destObject, 207 TEE_ObjectHandle srcObject); 208 209 TEE_Result TEE_GenerateKey(TEE_ObjectHandle object, uint32_t keySize, 210 const TEE_Attribute *params, uint32_t paramCount); 211 TEE_Result __GP11_TEE_GenerateKey(TEE_ObjectHandle object, uint32_t keySize, 212 const __GP11_TEE_Attribute *params, 213 uint32_t paramCount); 214 215 /* Data and Key Storage API - Persistent Object Functions */ 216 217 TEE_Result TEE_OpenPersistentObject(uint32_t storageID, const void *objectID, 218 size_t objectIDLen, uint32_t flags, 219 TEE_ObjectHandle *object); 220 TEE_Result __GP11_TEE_OpenPersistentObject(uint32_t storageID, 221 const void *objectID, 222 uint32_t objectIDLen, uint32_t flags, 223 TEE_ObjectHandle *object); 224 225 TEE_Result TEE_CreatePersistentObject(uint32_t storageID, const void *objectID, 226 size_t objectIDLen, uint32_t flags, 227 TEE_ObjectHandle attributes, 228 const void *initialData, 229 size_t initialDataLen, 230 TEE_ObjectHandle *object); 231 TEE_Result __GP11_TEE_CreatePersistentObject(uint32_t storageID, 232 const void *objectID, 233 uint32_t objectIDLen, 234 uint32_t flags, 235 TEE_ObjectHandle attributes, 236 const void *initialData, 237 uint32_t initialDataLen, 238 TEE_ObjectHandle *object); 239 240 void TEE_CloseAndDeletePersistentObject(TEE_ObjectHandle object); 241 242 TEE_Result TEE_CloseAndDeletePersistentObject1(TEE_ObjectHandle object); 243 244 TEE_Result TEE_RenamePersistentObject(TEE_ObjectHandle object, 245 const void *newObjectID, 246 size_t newObjectIDLen); 247 TEE_Result __GP11_TEE_RenamePersistentObject(TEE_ObjectHandle object, 248 const void *newObjectID, 249 uint32_t newObjectIDLen); 250 251 TEE_Result TEE_AllocatePersistentObjectEnumerator(TEE_ObjectEnumHandle * 252 objectEnumerator); 253 254 void TEE_FreePersistentObjectEnumerator(TEE_ObjectEnumHandle objectEnumerator); 255 256 void TEE_ResetPersistentObjectEnumerator(TEE_ObjectEnumHandle objectEnumerator); 257 258 TEE_Result TEE_StartPersistentObjectEnumerator(TEE_ObjectEnumHandle 259 objectEnumerator, 260 uint32_t storageID); 261 262 TEE_Result TEE_GetNextPersistentObject(TEE_ObjectEnumHandle objectEnumerator, 263 TEE_ObjectInfo *objectInfo, 264 void *objectID, size_t *objectIDLen); 265 TEE_Result 266 __GP11_TEE_GetNextPersistentObject(TEE_ObjectEnumHandle objectEnumerator, 267 __GP11_TEE_ObjectInfo *objectInfo, 268 void *objectID, uint32_t *objectIDLen); 269 270 /* Data and Key Storage API - Data Stream Access Functions */ 271 272 TEE_Result TEE_ReadObjectData(TEE_ObjectHandle object, void *buffer, 273 size_t size, size_t *count); 274 TEE_Result __GP11_TEE_ReadObjectData(TEE_ObjectHandle object, void *buffer, 275 uint32_t size, uint32_t *count); 276 277 TEE_Result TEE_WriteObjectData(TEE_ObjectHandle object, const void *buffer, 278 size_t size); 279 TEE_Result __GP11_TEE_WriteObjectData(TEE_ObjectHandle object, 280 const void *buffer, uint32_t size); 281 282 TEE_Result TEE_TruncateObjectData(TEE_ObjectHandle object, size_t size); 283 TEE_Result __GP11_TEE_TruncateObjectData(TEE_ObjectHandle object, 284 uint32_t size); 285 286 TEE_Result TEE_SeekObjectData(TEE_ObjectHandle object, intmax_t offset, 287 TEE_Whence whence); 288 TEE_Result __GP11_TEE_SeekObjectData(TEE_ObjectHandle object, int32_t offset, 289 TEE_Whence whence); 290 291 /* Cryptographic Operations API - Generic Operation Functions */ 292 293 TEE_Result TEE_AllocateOperation(TEE_OperationHandle *operation, 294 uint32_t algorithm, uint32_t mode, 295 uint32_t maxKeySize); 296 297 void TEE_FreeOperation(TEE_OperationHandle operation); 298 void __GP11_TEE_FreeOperation(TEE_OperationHandle operation); 299 300 void TEE_GetOperationInfo(TEE_OperationHandle operation, 301 TEE_OperationInfo *operationInfo); 302 303 TEE_Result 304 TEE_GetOperationInfoMultiple(TEE_OperationHandle operation, 305 TEE_OperationInfoMultiple *operationInfoMultiple, 306 size_t *operationSize); 307 TEE_Result 308 __GP11_TEE_GetOperationInfoMultiple(TEE_OperationHandle operation, 309 TEE_OperationInfoMultiple *info, 310 uint32_t *operationSize); 311 312 void TEE_ResetOperation(TEE_OperationHandle operation); 313 314 TEE_Result TEE_SetOperationKey(TEE_OperationHandle operation, 315 TEE_ObjectHandle key); 316 317 TEE_Result TEE_SetOperationKey2(TEE_OperationHandle operation, 318 TEE_ObjectHandle key1, TEE_ObjectHandle key2); 319 320 void TEE_CopyOperation(TEE_OperationHandle dstOperation, 321 TEE_OperationHandle srcOperation); 322 323 TEE_Result TEE_IsAlgorithmSupported(uint32_t algId, uint32_t element); 324 325 /* Cryptographic Operations API - Message Digest Functions */ 326 327 void TEE_DigestUpdate(TEE_OperationHandle operation, 328 const void *chunk, size_t chunkSize); 329 void __GP11_TEE_DigestUpdate(TEE_OperationHandle operation, 330 const void *chunk, uint32_t chunkSize); 331 332 TEE_Result TEE_DigestDoFinal(TEE_OperationHandle operation, const void *chunk, 333 size_t chunkLen, void *hash, size_t *hashLen); 334 TEE_Result __GP11_TEE_DigestDoFinal(TEE_OperationHandle operation, 335 const void *chunk, uint32_t chunkLen, 336 void *hash, uint32_t *hashLen); 337 338 /* Cryptographic Operations API - Symmetric Cipher Functions */ 339 340 void TEE_CipherInit(TEE_OperationHandle operation, const void *IV, 341 size_t IVLen); 342 void __GP11_TEE_CipherInit(TEE_OperationHandle operation, const void *IV, 343 uint32_t IVLen); 344 345 TEE_Result TEE_CipherUpdate(TEE_OperationHandle operation, const void *srcData, 346 size_t srcLen, void *destData, size_t *destLen); 347 TEE_Result __GP11_TEE_CipherUpdate(TEE_OperationHandle operation, 348 const void *srcData, uint32_t srcLen, 349 void *destData, uint32_t *destLen); 350 351 TEE_Result TEE_CipherDoFinal(TEE_OperationHandle operation, 352 const void *srcData, size_t srcLen, 353 void *destData, size_t *destLen); 354 TEE_Result __GP11_TEE_CipherDoFinal(TEE_OperationHandle operation, 355 const void *srcData, uint32_t srcLen, 356 void *destData, uint32_t *destLen); 357 358 /* Cryptographic Operations API - MAC Functions */ 359 360 void TEE_MACInit(TEE_OperationHandle operation, const void *IV, 361 size_t IVLen); 362 void __GP11_TEE_MACInit(TEE_OperationHandle operation, const void *IV, 363 uint32_t IVLen); 364 365 void TEE_MACUpdate(TEE_OperationHandle operation, const void *chunk, 366 size_t chunkSize); 367 void __GP11_TEE_MACUpdate(TEE_OperationHandle operation, const void *chunk, 368 uint32_t chunkSize); 369 370 TEE_Result TEE_MACComputeFinal(TEE_OperationHandle operation, 371 const void *message, size_t messageLen, 372 void *mac, size_t *macLen); 373 TEE_Result __GP11_TEE_MACComputeFinal(TEE_OperationHandle operation, 374 const void *message, uint32_t messageLen, 375 void *mac, uint32_t *macLen); 376 377 TEE_Result TEE_MACCompareFinal(TEE_OperationHandle operation, 378 const void *message, size_t messageLen, 379 const void *mac, size_t macLen); 380 TEE_Result __GP11_TEE_MACCompareFinal(TEE_OperationHandle operation, 381 const void *message, uint32_t messageLen, 382 const void *mac, uint32_t macLen); 383 384 /* Cryptographic Operations API - Authenticated Encryption Functions */ 385 386 TEE_Result TEE_AEInit(TEE_OperationHandle operation, const void *nonce, 387 size_t nonceLen, uint32_t tagLen, size_t AADLen, 388 size_t payloadLen); 389 TEE_Result __GP11_TEE_AEInit(TEE_OperationHandle operation, const void *nonce, 390 uint32_t nonceLen, uint32_t tagLen, 391 uint32_t AADLen, uint32_t payloadLen); 392 393 void TEE_AEUpdateAAD(TEE_OperationHandle operation, const void *AADdata, 394 size_t AADdataLen); 395 void __GP11_TEE_AEUpdateAAD(TEE_OperationHandle operation, const void *AADdata, 396 uint32_t AADdataLen); 397 398 TEE_Result TEE_AEUpdate(TEE_OperationHandle operation, const void *srcData, 399 size_t srcLen, void *destData, size_t *destLen); 400 TEE_Result __GP11_TEE_AEUpdate(TEE_OperationHandle operation, 401 const void *srcData, uint32_t srcLen, 402 void *destData, uint32_t *destLen); 403 404 TEE_Result TEE_AEEncryptFinal(TEE_OperationHandle operation, 405 const void *srcData, size_t srcLen, 406 void *destData, size_t *destLen, void *tag, 407 size_t *tagLen); 408 TEE_Result __GP11_TEE_AEEncryptFinal(TEE_OperationHandle operation, 409 const void *srcData, uint32_t srcLen, 410 void *destData, uint32_t *destLen, 411 void *tag, uint32_t *tagLen); 412 413 TEE_Result TEE_AEDecryptFinal(TEE_OperationHandle operation, 414 const void *srcData, size_t srcLen, 415 void *destData, size_t *destLen, void *tag, 416 size_t tagLen); 417 TEE_Result __GP11_TEE_AEDecryptFinal(TEE_OperationHandle operation, 418 const void *srcData, uint32_t srcLen, 419 void *destData, uint32_t *destLen, 420 void *tag, uint32_t tagLen); 421 422 /* Cryptographic Operations API - Asymmetric Functions */ 423 424 TEE_Result TEE_AsymmetricEncrypt(TEE_OperationHandle operation, 425 const TEE_Attribute *params, 426 uint32_t paramCount, const void *srcData, 427 size_t srcLen, void *destData, 428 size_t *destLen); 429 TEE_Result __GP11_TEE_AsymmetricEncrypt(TEE_OperationHandle operation, 430 const __GP11_TEE_Attribute *params, 431 uint32_t paramCount, 432 const void *srcData, uint32_t srcLen, 433 void *destData, uint32_t *destLen); 434 435 TEE_Result TEE_AsymmetricDecrypt(TEE_OperationHandle operation, 436 const TEE_Attribute *params, 437 uint32_t paramCount, const void *srcData, 438 size_t srcLen, void *destData, 439 size_t *destLen); 440 TEE_Result __GP11_TEE_AsymmetricDecrypt(TEE_OperationHandle operation, 441 const __GP11_TEE_Attribute *params, 442 uint32_t paramCount, 443 const void *srcData, uint32_t srcLen, 444 void *destData, uint32_t *destLen); 445 446 TEE_Result TEE_AsymmetricSignDigest(TEE_OperationHandle operation, 447 const TEE_Attribute *params, 448 uint32_t paramCount, const void *digest, 449 size_t digestLen, void *signature, 450 size_t *signatureLen); 451 TEE_Result __GP11_TEE_AsymmetricSignDigest(TEE_OperationHandle operation, 452 const __GP11_TEE_Attribute *params, 453 uint32_t paramCount, 454 const void *digest, 455 uint32_t digestLen, void *signature, 456 uint32_t *signatureLen); 457 458 TEE_Result TEE_AsymmetricVerifyDigest(TEE_OperationHandle operation, 459 const TEE_Attribute *params, 460 uint32_t paramCount, const void *digest, 461 size_t digestLen, const void *signature, 462 size_t signatureLen); 463 TEE_Result __GP11_TEE_AsymmetricVerifyDigest(TEE_OperationHandle operation, 464 const __GP11_TEE_Attribute *params, 465 uint32_t paramCount, 466 const void *digest, 467 uint32_t digestLen, 468 const void *signature, 469 uint32_t signatureLen); 470 471 /* Cryptographic Operations API - Key Derivation Functions */ 472 473 void TEE_DeriveKey(TEE_OperationHandle operation, 474 const TEE_Attribute *params, uint32_t paramCount, 475 TEE_ObjectHandle derivedKey); 476 void __GP11_TEE_DeriveKey(TEE_OperationHandle operation, 477 const __GP11_TEE_Attribute *params, 478 uint32_t paramCount, TEE_ObjectHandle derivedKey); 479 480 /* Cryptographic Operations API - Random Number Generation Functions */ 481 482 void TEE_GenerateRandom(void *randomBuffer, size_t randomBufferLen); 483 void __GP11_TEE_GenerateRandom(void *randomBuffer, uint32_t randomBufferLen); 484 485 /* Date & Time API */ 486 487 void TEE_GetSystemTime(TEE_Time *time); 488 489 TEE_Result TEE_Wait(uint32_t timeout); 490 491 TEE_Result TEE_GetTAPersistentTime(TEE_Time *time); 492 493 TEE_Result TEE_SetTAPersistentTime(const TEE_Time *time); 494 495 void TEE_GetREETime(TEE_Time *time); 496 497 /* TEE Arithmetical API - Memory allocation and size of objects */ 498 499 size_t TEE_BigIntFMMSizeInU32(size_t modulusSizeInBits); 500 uint32_t __GP11_TEE_BigIntFMMSizeInU32(uint32_t modulusSizeInBits); 501 502 size_t TEE_BigIntFMMContextSizeInU32(size_t modulusSizeInBits); 503 uint32_t __GP11_TEE_BigIntFMMContextSizeInU32(uint32_t modulusSizeInBits); 504 505 /* TEE Arithmetical API - Initialization functions */ 506 507 void TEE_BigIntInit(TEE_BigInt *bigInt, size_t len); 508 void __GP11_TEE_BigIntInit(TEE_BigInt *bigInt, uint32_t len); 509 510 void TEE_BigIntInitFMMContext(TEE_BigIntFMMContext *context, size_t len, 511 const TEE_BigInt *modulus); 512 void __GP11_TEE_BigIntInitFMMContext(TEE_BigIntFMMContext *context, 513 uint32_t len, const TEE_BigInt *modulus); 514 515 TEE_Result TEE_BigIntInitFMMContext1(TEE_BigIntFMMContext *context, 516 size_t len, const TEE_BigInt *modulus); 517 518 void TEE_BigIntInitFMM(TEE_BigIntFMM *bigIntFMM, size_t len); 519 void __GP11_TEE_BigIntInitFMM(TEE_BigIntFMM *bigIntFMM, uint32_t len); 520 521 /* TEE Arithmetical API - Converter functions */ 522 523 TEE_Result TEE_BigIntConvertFromOctetString(TEE_BigInt *dest, 524 const uint8_t *buffer, 525 size_t bufferLen, 526 int32_t sign); 527 TEE_Result __GP11_TEE_BigIntConvertFromOctetString(TEE_BigInt *dest, 528 const uint8_t *buffer, 529 uint32_t bufferLen, 530 int32_t sign); 531 532 TEE_Result TEE_BigIntConvertToOctetString(uint8_t *buffer, size_t *bufferLen, 533 const TEE_BigInt *bigInt); 534 TEE_Result __GP11_TEE_BigIntConvertToOctetString(uint8_t *buffer, 535 uint32_t *bufferLen, 536 const TEE_BigInt *bigInt); 537 538 void TEE_BigIntConvertFromS32(TEE_BigInt *dest, int32_t shortVal); 539 540 TEE_Result TEE_BigIntConvertToS32(int32_t *dest, const TEE_BigInt *src); 541 542 /* TEE Arithmetical API - Logical operations */ 543 544 int32_t TEE_BigIntCmp(const TEE_BigInt *op1, const TEE_BigInt *op2); 545 546 int32_t TEE_BigIntCmpS32(const TEE_BigInt *op, int32_t shortVal); 547 548 void TEE_BigIntShiftRight(TEE_BigInt *dest, const TEE_BigInt *op, 549 size_t bits); 550 void __GP11_TEE_BigIntShiftRight(TEE_BigInt *dest, const TEE_BigInt *op, 551 uint32_t bits); 552 553 bool TEE_BigIntGetBit(const TEE_BigInt *src, uint32_t bitIndex); 554 555 uint32_t TEE_BigIntGetBitCount(const TEE_BigInt *src); 556 557 void TEE_BigIntAdd(TEE_BigInt *dest, const TEE_BigInt *op1, 558 const TEE_BigInt *op2); 559 560 void TEE_BigIntSub(TEE_BigInt *dest, const TEE_BigInt *op1, 561 const TEE_BigInt *op2); 562 563 void TEE_BigIntNeg(TEE_BigInt *dest, const TEE_BigInt *op); 564 565 void TEE_BigIntMul(TEE_BigInt *dest, const TEE_BigInt *op1, 566 const TEE_BigInt *op2); 567 568 void TEE_BigIntSquare(TEE_BigInt *dest, const TEE_BigInt *op); 569 570 void TEE_BigIntDiv(TEE_BigInt *dest_q, TEE_BigInt *dest_r, 571 const TEE_BigInt *op1, const TEE_BigInt *op2); 572 573 /* TEE Arithmetical API - Modular arithmetic operations */ 574 575 void TEE_BigIntMod(TEE_BigInt *dest, const TEE_BigInt *op, 576 const TEE_BigInt *n); 577 578 void TEE_BigIntAddMod(TEE_BigInt *dest, const TEE_BigInt *op1, 579 const TEE_BigInt *op2, const TEE_BigInt *n); 580 581 void TEE_BigIntSubMod(TEE_BigInt *dest, const TEE_BigInt *op1, 582 const TEE_BigInt *op2, const TEE_BigInt *n); 583 584 void TEE_BigIntMulMod(TEE_BigInt *dest, const TEE_BigInt *op1, 585 const TEE_BigInt *op2, const TEE_BigInt *n); 586 587 void TEE_BigIntSquareMod(TEE_BigInt *dest, const TEE_BigInt *op, 588 const TEE_BigInt *n); 589 590 void TEE_BigIntInvMod(TEE_BigInt *dest, const TEE_BigInt *op, 591 const TEE_BigInt *n); 592 593 /* TEE Arithmetical API - Other arithmetic operations */ 594 595 bool TEE_BigIntRelativePrime(const TEE_BigInt *op1, const TEE_BigInt *op2); 596 597 void TEE_BigIntComputeExtendedGcd(TEE_BigInt *gcd, TEE_BigInt *u, 598 TEE_BigInt *v, const TEE_BigInt *op1, 599 const TEE_BigInt *op2); 600 601 int32_t TEE_BigIntIsProbablePrime(const TEE_BigInt *op, 602 uint32_t confidenceLevel); 603 604 /* TEE Arithmetical API - Fast modular multiplication operations */ 605 606 void TEE_BigIntConvertToFMM(TEE_BigIntFMM *dest, const TEE_BigInt *src, 607 const TEE_BigInt *n, 608 const TEE_BigIntFMMContext *context); 609 610 void TEE_BigIntConvertFromFMM(TEE_BigInt *dest, const TEE_BigIntFMM *src, 611 const TEE_BigInt *n, 612 const TEE_BigIntFMMContext *context); 613 614 void TEE_BigIntFMMConvertToBigInt(TEE_BigInt *dest, const TEE_BigIntFMM *src, 615 const TEE_BigInt *n, 616 const TEE_BigIntFMMContext *context); 617 618 void TEE_BigIntComputeFMM(TEE_BigIntFMM *dest, const TEE_BigIntFMM *op1, 619 const TEE_BigIntFMM *op2, const TEE_BigInt *n, 620 const TEE_BigIntFMMContext *context); 621 622 #define TA_EXPORT 623 624 /* 625 * TA Interface 626 * 627 * Each Trusted Application must provide the Implementation with a number 628 * of functions, collectively called the “TA interface”. These functions 629 * are the entry points called by the Trusted Core Framework to create the 630 * instance, notify the instance that a new client is connecting, notify 631 * the instance when the client invokes a command, etc. 632 * 633 * Trusted Application Entry Points: 634 */ 635 636 /* 637 * The function TA_CreateEntryPoint is the Trusted Application's 638 * constructor, which the Framework calls when it creates a new instance of 639 * the Trusted Application. To register instance data, the implementation 640 * of this constructor can use either global variables or the function 641 * TEE_InstanceSetData. 642 * 643 * Return Value: 644 * - TEE_SUCCESS: if the instance is successfully created, the function 645 * must return TEE_SUCCESS. 646 * - Any other value: if any other code is returned the instance is not 647 * created, and no other entry points of this instance will be called. 648 * The Framework MUST reclaim all resources and dereference all objects 649 * related to the creation of the instance. 650 * 651 * If this entry point was called as a result of a client opening a 652 * session, the error code is returned to the client and the session is 653 * not opened. 654 */ 655 TEE_Result TA_EXPORT TA_CreateEntryPoint(void); 656 657 /* 658 * The function TA_DestroyEntryPoint is the Trusted Application‟s 659 * destructor, which the Framework calls when the instance is being 660 * destroyed. 661 * 662 * When the function TA_DestroyEntryPoint is called, the Framework 663 * guarantees that no client session is currently open. Once the call to 664 * TA_DestroyEntryPoint has been completed, no other entry point of this 665 * instance will ever be called. 666 * 667 * Note that when this function is called, all resources opened by the 668 * instance are still available. It is only after the function returns that 669 * the Implementation MUST start automatically reclaiming resources left 670 * opened. 671 * 672 * Return Value: 673 * This function can return no success or error code. After this function 674 * returns the Implementation MUST consider the instance destroyed and 675 * reclaims all resources left open by the instance. 676 */ 677 void TA_EXPORT TA_DestroyEntryPoint(void); 678 679 /* 680 * The Framework calls the function TA_OpenSessionEntryPoint when a client 681 * requests to open a session with the Trusted Application. The open 682 * session request may result in a new Trusted Application instance being 683 * created as defined in section 4.5. 684 * 685 * The client can specify parameters in an open operation which are passed 686 * to the Trusted Application instance in the arguments paramTypes and 687 * params. These arguments can also be used by the Trusted Application 688 * instance to transfer response data back to the client. See section 4.3.6 689 * for a specification of how to handle the operation parameters. 690 * 691 * If this function returns TEE_SUCCESS, the client is connected to a 692 * Trusted Application instance and can invoke Trusted Application 693 * commands. When the client disconnects, the Framework will eventually 694 * call the TA_CloseSessionEntryPoint entry point. 695 * 696 * If the function returns any error, the Framework rejects the connection 697 * and returns the error code and the current content of the parameters the 698 * client. The return origin is then set to TEE_ORIGIN_TRUSTED_APP. 699 * 700 * The Trusted Application instance can register a session data pointer by 701 * setting *psessionContext. The value of this pointer is not interpreted 702 * by the Framework, and is simply passed back to other TA_ functions 703 * within this session. Note that *sessionContext may be set with a pointer 704 * to a memory allocated by the Trusted Application instance or with 705 * anything else, like an integer, a handle etc. The Framework will not 706 * automatically free *sessionContext when the session is closed; the 707 * Trusted Application instance is responsible for freeing memory if 708 * required. 709 * 710 * During the call to TA_OpenSessionEntryPoint the client may request to 711 * cancel the operation. See section 4.10 for more details on 712 * cancellations. If the call to TA_OpenSessionEntryPoint returns 713 * TEE_SUCCESS, the client must consider the session as successfully opened 714 * and explicitly close it if necessary. 715 * 716 * Parameters: 717 * - paramTypes: the types of the four parameters. 718 * - params: a pointer to an array of four parameters. 719 * - sessionContext: A pointer to a variable that can be filled by the 720 * Trusted Application instance with an opaque void* data pointer 721 * 722 * Return Value: 723 * - TEE_SUCCESS if the session is successfully opened. 724 * - Any other value if the session could not be open. 725 * o The error code may be one of the pre-defined codes, or may be a new 726 * error code defined by the Trusted Application implementation itself. 727 */ 728 TEE_Result TA_EXPORT TA_OpenSessionEntryPoint(uint32_t paramTypes, 729 TEE_Param params[TEE_NUM_PARAMS], 730 void **sessionContext); 731 TEE_Result TA_EXPORT 732 __GP11_TA_OpenSessionEntryPoint(uint32_t paramTypes, 733 __GP11_TEE_Param params[TEE_NUM_PARAMS], 734 void **sessionContext); 735 736 /* 737 * The Framework calls this function to close a client session. During the 738 * call to this function the implementation can use any session functions. 739 * 740 * The Trusted Application implementation is responsible for freeing any 741 * resources consumed by the session being closed. Note that the Trusted 742 * Application cannot refuse to close a session, but can hold the closing 743 * until it returns from TA_CloseSessionEntryPoint. This is why this 744 * function cannot return an error code. 745 * 746 * Parameters: 747 * - sessionContext: The value of the void* opaque data pointer set by the 748 * Trusted Application in the function TA_OpenSessionEntryPoint for this 749 * session. 750 */ 751 void TA_EXPORT TA_CloseSessionEntryPoint(void *sessionContext); 752 753 /* 754 * The Framework calls this function when the client invokes a command 755 * within the given session. 756 * 757 * The Trusted Application can access the parameters sent by the client 758 * through the paramTypes and params arguments. It can also use these 759 * arguments to transfer response data back to the client. 760 * 761 * During the call to TA_InvokeCommandEntryPoint the client may request to 762 * cancel the operation. 763 * 764 * A command is always invoked within the context of a client session. 765 * Thus, any session function can be called by the command implementation. 766 * 767 * Parameter: 768 * - sessionContext: The value of the void* opaque data pointer set by the 769 * Trusted Application in the function TA_OpenSessionEntryPoint. 770 * - commandID: A Trusted Application-specific code that identifies the 771 * command to be invoked. 772 * - paramTypes: the types of the four parameters. 773 * - params: a pointer to an array of four parameters. 774 * 775 * Return Value: 776 * - TEE_SUCCESS: if the command is successfully executed, the function 777 * must return this value. 778 * - Any other value: if the invocation of the command fails for any 779 * reason. 780 * o The error code may be one of the pre-defined codes, or may be a new 781 * error code defined by the Trusted Application implementation itself. 782 */ 783 784 TEE_Result TA_EXPORT 785 TA_InvokeCommandEntryPoint(void *sessionContext, uint32_t commandID, 786 uint32_t paramTypes, 787 TEE_Param params[TEE_NUM_PARAMS]); 788 TEE_Result TA_EXPORT 789 __GP11_TA_InvokeCommandEntryPoint(void *sessionContext, uint32_t commandID, 790 uint32_t paramTypes, 791 __GP11_TEE_Param params[TEE_NUM_PARAMS]); 792 793 /* 794 * Matching Client Functions <--> TA Functions 795 * 796 * TEE_OpenSession or TEE_OpenTASession: 797 * If a new Trusted Application instance is needed to handle the session, 798 * TA_CreateEntryPoint is called. 799 * Then, TA_OpenSessionEntryPoint is called. 800 * 801 * TEE_InvokeCommand or TEE_InvokeTACommand: 802 * TA_InvokeCommandEntryPoint is called. 803 * 804 * TEE_CloseSession or TEE_CloseTASession: 805 * TA_CloseSessionEntryPoint is called. 806 * For a multi-instance TA or for a single-instance, non keep-alive TA, if 807 * the session closed was the last session on the instance, then 808 * TA_DestroyEntryPoint is called. Otherwise, the instance is kept until 809 * the TEE shuts down. 810 */ 811 812 #include <tee_api_compat.h> 813 814 #endif /*TEE_INTERNAL_API_H*/ 815