1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 * Copyright (c) 2021, SumUp Services GmbH 5 */ 6 #include <assert.h> 7 #include <config.h> 8 #include <stdlib.h> 9 #include <string.h> 10 #include <string_ext.h> 11 #include <tee_api.h> 12 #include <tee_api_defines_extensions.h> 13 #include <tee_internal_api_extensions.h> 14 #include <utee_syscalls.h> 15 #include <utee_defines.h> 16 #include <util.h> 17 #include "tee_api_private.h" 18 19 struct __TEE_OperationHandle { 20 TEE_OperationInfo info; 21 TEE_ObjectHandle key1; 22 TEE_ObjectHandle key2; 23 uint32_t operationState;/* Operation state : INITIAL or ACTIVE */ 24 25 /* 26 * buffer to collect complete blocks or to keep a complete digest 27 * for TEE_DigestExtract(). 28 */ 29 uint8_t *buffer; 30 bool buffer_two_blocks; /* True if two blocks need to be buffered */ 31 size_t block_size; /* Block size of cipher */ 32 size_t buffer_offs; /* Offset in buffer */ 33 uint32_t state; /* Handle to state in TEE Core */ 34 }; 35 36 /* Cryptographic Operations API - Generic Operation Functions */ 37 38 TEE_Result TEE_AllocateOperation(TEE_OperationHandle *operation, 39 uint32_t algorithm, uint32_t mode, 40 uint32_t maxKeySize) 41 { 42 TEE_Result res; 43 TEE_OperationHandle op = TEE_HANDLE_NULL; 44 uint32_t handle_state = 0; 45 size_t block_size = 1; 46 uint32_t req_key_usage; 47 bool with_private_key = false; 48 bool buffer_two_blocks = false; 49 50 if (!operation) 51 TEE_Panic(0); 52 53 if (algorithm == TEE_ALG_AES_XTS || algorithm == TEE_ALG_SM2_KEP || 54 algorithm == TEE_ALG_SM4_XTS) 55 handle_state = TEE_HANDLE_FLAG_EXPECT_TWO_KEYS; 56 57 /* Check algorithm max key size */ 58 switch (algorithm) { 59 case TEE_ALG_DSA_SHA1: 60 if (maxKeySize < 512) 61 return TEE_ERROR_NOT_SUPPORTED; 62 if (maxKeySize > 1024) 63 return TEE_ERROR_NOT_SUPPORTED; 64 if (maxKeySize % 64 != 0) 65 return TEE_ERROR_NOT_SUPPORTED; 66 break; 67 68 case TEE_ALG_DSA_SHA224: 69 if (maxKeySize != 2048) 70 return TEE_ERROR_NOT_SUPPORTED; 71 break; 72 73 case TEE_ALG_DSA_SHA256: 74 if (maxKeySize != 2048 && maxKeySize != 3072) 75 return TEE_ERROR_NOT_SUPPORTED; 76 break; 77 78 case TEE_ALG_ECDSA_SHA1: 79 case __OPTEE_ALG_ECDSA_P192: 80 case __OPTEE_ALG_ECDH_P192: 81 if (maxKeySize != 192) 82 return TEE_ERROR_NOT_SUPPORTED; 83 break; 84 85 case TEE_ALG_ECDSA_SHA224: 86 case __OPTEE_ALG_ECDSA_P224: 87 case __OPTEE_ALG_ECDH_P224: 88 if (maxKeySize != 224) 89 return TEE_ERROR_NOT_SUPPORTED; 90 break; 91 92 case TEE_ALG_ECDSA_SHA256: 93 case __OPTEE_ALG_ECDSA_P256: 94 case __OPTEE_ALG_ECDH_P256: 95 case TEE_ALG_SM2_PKE: 96 case TEE_ALG_SM2_DSA_SM3: 97 if (maxKeySize != 256) 98 return TEE_ERROR_NOT_SUPPORTED; 99 break; 100 101 case TEE_ALG_SM2_KEP: 102 /* Two 256-bit keys */ 103 if (maxKeySize != 512) 104 return TEE_ERROR_NOT_SUPPORTED; 105 break; 106 107 case TEE_ALG_ECDSA_SHA384: 108 case __OPTEE_ALG_ECDSA_P384: 109 case __OPTEE_ALG_ECDH_P384: 110 if (maxKeySize != 384) 111 return TEE_ERROR_NOT_SUPPORTED; 112 break; 113 114 case TEE_ALG_ECDSA_SHA512: 115 case __OPTEE_ALG_ECDSA_P521: 116 case __OPTEE_ALG_ECDH_P521: 117 if (maxKeySize != 521) 118 return TEE_ERROR_NOT_SUPPORTED; 119 break; 120 121 case TEE_ALG_ECDH_DERIVE_SHARED_SECRET: 122 if (maxKeySize > 521) 123 return TEE_ERROR_NOT_SUPPORTED; 124 break; 125 126 case TEE_ALG_ED25519: 127 case TEE_ALG_X25519: 128 if (maxKeySize != 256) 129 return TEE_ERROR_NOT_SUPPORTED; 130 break; 131 default: 132 break; 133 } 134 135 /* Check algorithm mode */ 136 switch (algorithm) { 137 case TEE_ALG_AES_CTS: 138 case TEE_ALG_AES_XTS: 139 case TEE_ALG_SM4_XTS: 140 buffer_two_blocks = true; 141 fallthrough; 142 case TEE_ALG_AES_ECB_NOPAD: 143 case TEE_ALG_AES_CBC_NOPAD: 144 case TEE_ALG_AES_CCM: 145 case TEE_ALG_DES_ECB_NOPAD: 146 case TEE_ALG_DES_CBC_NOPAD: 147 case TEE_ALG_DES3_ECB_NOPAD: 148 case TEE_ALG_DES3_CBC_NOPAD: 149 case TEE_ALG_SM4_ECB_NOPAD: 150 case TEE_ALG_SM4_CBC_NOPAD: 151 case TEE_ALG_SM4_CTR: 152 if (TEE_ALG_GET_MAIN_ALG(algorithm) == TEE_MAIN_ALGO_AES) 153 block_size = TEE_AES_BLOCK_SIZE; 154 else if (TEE_ALG_GET_MAIN_ALG(algorithm) == TEE_MAIN_ALGO_SM4) 155 block_size = TEE_SM4_BLOCK_SIZE; 156 else 157 block_size = TEE_DES_BLOCK_SIZE; 158 fallthrough; 159 case TEE_ALG_AES_CTR: 160 case TEE_ALG_AES_GCM: 161 if (mode == TEE_MODE_ENCRYPT) 162 req_key_usage = TEE_USAGE_ENCRYPT; 163 else if (mode == TEE_MODE_DECRYPT) 164 req_key_usage = TEE_USAGE_DECRYPT; 165 else 166 return TEE_ERROR_NOT_SUPPORTED; 167 break; 168 169 #if defined(CFG_CRYPTO_RSASSA_NA1) 170 case TEE_ALG_RSASSA_PKCS1_V1_5: 171 #endif 172 case TEE_ALG_RSASSA_PKCS1_V1_5_MD5: 173 case TEE_ALG_RSASSA_PKCS1_V1_5_SHA1: 174 case TEE_ALG_RSASSA_PKCS1_V1_5_SHA224: 175 case TEE_ALG_RSASSA_PKCS1_V1_5_SHA256: 176 case TEE_ALG_RSASSA_PKCS1_V1_5_SHA384: 177 case TEE_ALG_RSASSA_PKCS1_V1_5_SHA512: 178 case TEE_ALG_RSASSA_PKCS1_PSS_MGF1_MD5: 179 case TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA1: 180 case TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA224: 181 case TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA256: 182 case TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA384: 183 case TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA512: 184 case TEE_ALG_DSA_SHA1: 185 case TEE_ALG_DSA_SHA224: 186 case TEE_ALG_DSA_SHA256: 187 case TEE_ALG_ECDSA_SHA1: 188 case TEE_ALG_ECDSA_SHA224: 189 case TEE_ALG_ECDSA_SHA256: 190 case TEE_ALG_ECDSA_SHA384: 191 case TEE_ALG_ECDSA_SHA512: 192 case __OPTEE_ALG_ECDSA_P192: 193 case __OPTEE_ALG_ECDSA_P224: 194 case __OPTEE_ALG_ECDSA_P256: 195 case __OPTEE_ALG_ECDSA_P384: 196 case __OPTEE_ALG_ECDSA_P521: 197 case TEE_ALG_SM2_DSA_SM3: 198 case TEE_ALG_ED25519: 199 if (mode == TEE_MODE_SIGN) { 200 with_private_key = true; 201 req_key_usage = TEE_USAGE_SIGN; 202 } else if (mode == TEE_MODE_VERIFY) { 203 req_key_usage = TEE_USAGE_VERIFY; 204 } else { 205 return TEE_ERROR_NOT_SUPPORTED; 206 } 207 break; 208 209 case TEE_ALG_RSAES_PKCS1_V1_5: 210 case TEE_ALG_RSAES_PKCS1_OAEP_MGF1_MD5: 211 case TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA1: 212 case TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA224: 213 case TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA256: 214 case TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA384: 215 case TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA512: 216 case TEE_ALG_SM2_PKE: 217 if (mode == TEE_MODE_ENCRYPT) { 218 req_key_usage = TEE_USAGE_ENCRYPT; 219 } else if (mode == TEE_MODE_DECRYPT) { 220 with_private_key = true; 221 req_key_usage = TEE_USAGE_DECRYPT; 222 } else { 223 return TEE_ERROR_NOT_SUPPORTED; 224 } 225 break; 226 227 case TEE_ALG_RSA_NOPAD: 228 if (mode == TEE_MODE_ENCRYPT) { 229 req_key_usage = TEE_USAGE_ENCRYPT | TEE_USAGE_VERIFY; 230 } else if (mode == TEE_MODE_DECRYPT) { 231 with_private_key = true; 232 req_key_usage = TEE_USAGE_DECRYPT | TEE_USAGE_SIGN; 233 } else { 234 return TEE_ERROR_NOT_SUPPORTED; 235 } 236 break; 237 238 case TEE_ALG_DH_DERIVE_SHARED_SECRET: 239 case TEE_ALG_ECDH_DERIVE_SHARED_SECRET: 240 case __OPTEE_ALG_ECDH_P192: 241 case __OPTEE_ALG_ECDH_P224: 242 case __OPTEE_ALG_ECDH_P256: 243 case __OPTEE_ALG_ECDH_P384: 244 case __OPTEE_ALG_ECDH_P521: 245 case TEE_ALG_HKDF_MD5_DERIVE_KEY: 246 case TEE_ALG_HKDF_SHA1_DERIVE_KEY: 247 case TEE_ALG_HKDF_SHA224_DERIVE_KEY: 248 case TEE_ALG_HKDF_SHA256_DERIVE_KEY: 249 case TEE_ALG_HKDF_SHA384_DERIVE_KEY: 250 case TEE_ALG_HKDF_SHA512_DERIVE_KEY: 251 case TEE_ALG_CONCAT_KDF_SHA1_DERIVE_KEY: 252 case TEE_ALG_CONCAT_KDF_SHA224_DERIVE_KEY: 253 case TEE_ALG_CONCAT_KDF_SHA256_DERIVE_KEY: 254 case TEE_ALG_CONCAT_KDF_SHA384_DERIVE_KEY: 255 case TEE_ALG_CONCAT_KDF_SHA512_DERIVE_KEY: 256 case TEE_ALG_PBKDF2_HMAC_SHA1_DERIVE_KEY: 257 case TEE_ALG_SM2_KEP: 258 case TEE_ALG_X25519: 259 if (mode != TEE_MODE_DERIVE) 260 return TEE_ERROR_NOT_SUPPORTED; 261 with_private_key = true; 262 req_key_usage = TEE_USAGE_DERIVE; 263 break; 264 265 case TEE_ALG_MD5: 266 case TEE_ALG_SHA1: 267 case TEE_ALG_SHA224: 268 case TEE_ALG_SHA256: 269 case TEE_ALG_SHA384: 270 case TEE_ALG_SHA512: 271 case TEE_ALG_SHA3_224: 272 case TEE_ALG_SHA3_256: 273 case TEE_ALG_SHA3_384: 274 case TEE_ALG_SHA3_512: 275 case TEE_ALG_SHAKE128: 276 case TEE_ALG_SHAKE256: 277 case TEE_ALG_SM3: 278 if (mode != TEE_MODE_DIGEST) 279 return TEE_ERROR_NOT_SUPPORTED; 280 /* v1.1: flags always set for digest operations */ 281 handle_state |= TEE_HANDLE_FLAG_KEY_SET; 282 req_key_usage = 0; 283 break; 284 285 case TEE_ALG_DES_CBC_MAC_NOPAD: 286 case TEE_ALG_AES_CBC_MAC_NOPAD: 287 case TEE_ALG_AES_CBC_MAC_PKCS5: 288 case TEE_ALG_AES_CMAC: 289 case TEE_ALG_DES_CBC_MAC_PKCS5: 290 case TEE_ALG_DES3_CBC_MAC_NOPAD: 291 case TEE_ALG_DES3_CBC_MAC_PKCS5: 292 case TEE_ALG_DES3_CMAC: 293 case TEE_ALG_HMAC_MD5: 294 case TEE_ALG_HMAC_SHA1: 295 case TEE_ALG_HMAC_SHA224: 296 case TEE_ALG_HMAC_SHA256: 297 case TEE_ALG_HMAC_SHA384: 298 case TEE_ALG_HMAC_SHA512: 299 case TEE_ALG_HMAC_SHA3_224: 300 case TEE_ALG_HMAC_SHA3_256: 301 case TEE_ALG_HMAC_SHA3_384: 302 case TEE_ALG_HMAC_SHA3_512: 303 case TEE_ALG_HMAC_SM3: 304 if (mode != TEE_MODE_MAC) 305 return TEE_ERROR_NOT_SUPPORTED; 306 req_key_usage = TEE_USAGE_MAC; 307 break; 308 309 default: 310 return TEE_ERROR_NOT_SUPPORTED; 311 } 312 313 op = TEE_Malloc(sizeof(*op), TEE_MALLOC_FILL_ZERO); 314 if (!op) 315 return TEE_ERROR_OUT_OF_MEMORY; 316 317 op->info.algorithm = algorithm; 318 op->info.operationClass = TEE_ALG_GET_CLASS(algorithm); 319 #ifdef CFG_CRYPTO_RSASSA_NA1 320 if (algorithm == TEE_ALG_RSASSA_PKCS1_V1_5) 321 op->info.operationClass = TEE_OPERATION_ASYMMETRIC_SIGNATURE; 322 #endif 323 op->info.mode = mode; 324 op->info.digestLength = TEE_ALG_GET_DIGEST_SIZE(algorithm); 325 op->info.maxKeySize = maxKeySize; 326 op->info.requiredKeyUsage = req_key_usage; 327 op->info.handleState = handle_state; 328 329 /* 330 * Needed to buffer the digest if TEE_DigestExtract() doesn't 331 * retrieve the entire digest in one go. 332 */ 333 if (op->info.operationClass == TEE_OPERATION_DIGEST) 334 block_size = op->info.digestLength; 335 336 if (block_size > 1) { 337 size_t buffer_size = block_size; 338 339 if (buffer_two_blocks) 340 buffer_size *= 2; 341 342 op->buffer = TEE_Malloc(buffer_size, 343 TEE_USER_MEM_HINT_NO_FILL_ZERO); 344 if (op->buffer == NULL) { 345 res = TEE_ERROR_OUT_OF_MEMORY; 346 goto out; 347 } 348 } 349 op->block_size = block_size; 350 op->buffer_two_blocks = buffer_two_blocks; 351 352 if (TEE_ALG_GET_CLASS(algorithm) != TEE_OPERATION_DIGEST) { 353 uint32_t mks = maxKeySize; 354 TEE_ObjectType key_type = TEE_ALG_GET_KEY_TYPE(algorithm, 355 with_private_key); 356 357 /* 358 * If two keys are expected the max key size is the sum of 359 * the size of both keys. 360 */ 361 if (op->info.handleState & TEE_HANDLE_FLAG_EXPECT_TWO_KEYS) 362 mks /= 2; 363 364 res = TEE_AllocateTransientObject(key_type, mks, &op->key1); 365 if (res != TEE_SUCCESS) 366 goto out; 367 368 if (op->info.handleState & TEE_HANDLE_FLAG_EXPECT_TWO_KEYS) { 369 res = TEE_AllocateTransientObject(key_type, mks, 370 &op->key2); 371 if (res != TEE_SUCCESS) 372 goto out; 373 } 374 } 375 376 res = _utee_cryp_state_alloc(algorithm, mode, (unsigned long)op->key1, 377 (unsigned long)op->key2, &op->state); 378 if (res != TEE_SUCCESS) 379 goto out; 380 381 /* 382 * Initialize digest operations 383 * Other multi-stage operations initialized w/ TEE_xxxInit functions 384 * Non-applicable on asymmetric operations 385 */ 386 if (TEE_ALG_GET_CLASS(algorithm) == TEE_OPERATION_DIGEST) { 387 res = _utee_hash_init(op->state, NULL, 0); 388 if (res != TEE_SUCCESS) 389 goto out; 390 /* v1.1: flags always set for digest operations */ 391 op->info.handleState |= TEE_HANDLE_FLAG_INITIALIZED; 392 } 393 394 op->operationState = TEE_OPERATION_STATE_INITIAL; 395 396 *operation = op; 397 398 out: 399 if (res != TEE_SUCCESS) { 400 if (res != TEE_ERROR_OUT_OF_MEMORY && 401 res != TEE_ERROR_NOT_SUPPORTED) 402 TEE_Panic(res); 403 if (op) { 404 if (op->state) { 405 TEE_FreeOperation(op); 406 } else { 407 TEE_Free(op->buffer); 408 TEE_FreeTransientObject(op->key1); 409 TEE_FreeTransientObject(op->key2); 410 TEE_Free(op); 411 } 412 } 413 } 414 415 return res; 416 } 417 418 void TEE_FreeOperation(TEE_OperationHandle operation) 419 { 420 TEE_Result res; 421 422 if (operation == TEE_HANDLE_NULL) 423 return; 424 425 /* 426 * Note that keys should not be freed here, since they are 427 * claimed by the operation they will be freed by 428 * utee_cryp_state_free(). 429 */ 430 res = _utee_cryp_state_free(operation->state); 431 if (res != TEE_SUCCESS) 432 TEE_Panic(res); 433 434 TEE_Free(operation->buffer); 435 TEE_Free(operation); 436 } 437 438 void __GP11_TEE_FreeOperation(TEE_OperationHandle operation) 439 { 440 if (operation == TEE_HANDLE_NULL) 441 TEE_Panic(0); 442 TEE_FreeOperation(operation); 443 } 444 445 void TEE_GetOperationInfo(TEE_OperationHandle operation, 446 TEE_OperationInfo *operationInfo) 447 { 448 if (operation == TEE_HANDLE_NULL) 449 TEE_Panic(0); 450 451 __utee_check_out_annotation(operationInfo, sizeof(*operationInfo)); 452 453 *operationInfo = operation->info; 454 if (operationInfo->handleState & TEE_HANDLE_FLAG_EXPECT_TWO_KEYS) { 455 operationInfo->keySize = 0; 456 operationInfo->requiredKeyUsage = 0; 457 } 458 } 459 460 TEE_Result TEE_GetOperationInfoMultiple(TEE_OperationHandle op, 461 TEE_OperationInfoMultiple *op_info, 462 size_t *size) 463 { 464 TEE_Result res = TEE_SUCCESS; 465 TEE_ObjectInfo kinfo = { }; 466 size_t max_key_count = 0; 467 bool two_keys = false; 468 469 if (op == TEE_HANDLE_NULL) { 470 res = TEE_ERROR_BAD_PARAMETERS; 471 goto out; 472 } 473 474 __utee_check_outbuf_annotation(op_info, size); 475 476 if (*size < sizeof(*op_info)) { 477 res = TEE_ERROR_BAD_PARAMETERS; 478 goto out; 479 } 480 max_key_count = (*size - sizeof(*op_info)) / 481 sizeof(TEE_OperationInfoKey); 482 483 TEE_MemFill(op_info, 0, *size); 484 485 /* Two keys flag (TEE_ALG_AES_XTS only) */ 486 two_keys = op->info.handleState & TEE_HANDLE_FLAG_EXPECT_TWO_KEYS; 487 488 if (op->info.mode == TEE_MODE_DIGEST) { 489 op_info->numberOfKeys = 0; 490 } else if (!two_keys) { 491 if (max_key_count < 1) { 492 res = TEE_ERROR_SHORT_BUFFER; 493 goto out; 494 } 495 496 res = TEE_GetObjectInfo1(op->key1, &kinfo); 497 /* Key1 is not a valid handle, "can't happen". */ 498 if (res) 499 goto out; 500 501 op_info->keyInformation[0].keySize = kinfo.objectSize; 502 op_info->keyInformation[0].requiredKeyUsage = 503 op->info.requiredKeyUsage; 504 op_info->numberOfKeys = 1; 505 } else { 506 if (max_key_count < 2) { 507 res = TEE_ERROR_SHORT_BUFFER; 508 goto out; 509 } 510 511 res = TEE_GetObjectInfo1(op->key1, &kinfo); 512 /* Key1 is not a valid handle, "can't happen". */ 513 if (res) 514 goto out; 515 516 op_info->keyInformation[0].keySize = kinfo.objectSize; 517 op_info->keyInformation[0].requiredKeyUsage = 518 op->info.requiredKeyUsage; 519 520 res = TEE_GetObjectInfo1(op->key2, &kinfo); 521 /* Key2 is not a valid handle, "can't happen". */ 522 if (res) 523 goto out; 524 525 op_info->keyInformation[1].keySize = kinfo.objectSize; 526 op_info->keyInformation[1].requiredKeyUsage = 527 op->info.requiredKeyUsage; 528 529 op_info->numberOfKeys = 2; 530 } 531 532 op_info->algorithm = op->info.algorithm; 533 op_info->operationClass = op->info.operationClass; 534 op_info->mode = op->info.mode; 535 op_info->digestLength = op->info.digestLength; 536 op_info->maxKeySize = op->info.maxKeySize; 537 op_info->handleState = op->info.handleState; 538 op_info->operationState = op->operationState; 539 540 out: 541 if (res != TEE_SUCCESS && 542 res != TEE_ERROR_SHORT_BUFFER) 543 TEE_Panic(res); 544 545 return res; 546 } 547 548 TEE_Result 549 __GP11_TEE_GetOperationInfoMultiple(TEE_OperationHandle operation, 550 TEE_OperationInfoMultiple *info, 551 uint32_t *operationSize) 552 { 553 TEE_Result res = TEE_SUCCESS; 554 size_t s = 0; 555 556 __utee_check_gp11_outbuf_annotation(info, operationSize); 557 s = *operationSize; 558 res = TEE_GetOperationInfoMultiple(operation, info, &s); 559 *operationSize = s; 560 return res; 561 } 562 563 static void reset_operation_state(TEE_OperationHandle op) 564 { 565 op->operationState = TEE_OPERATION_STATE_INITIAL; 566 567 if (op->info.operationClass == TEE_OPERATION_DIGEST) { 568 TEE_Result res = _utee_hash_init(op->state, NULL, 0); 569 570 if (res != TEE_SUCCESS) 571 TEE_Panic(res); 572 op->info.handleState |= TEE_HANDLE_FLAG_INITIALIZED; 573 } else { 574 op->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 575 } 576 } 577 578 void TEE_ResetOperation(TEE_OperationHandle operation) 579 { 580 if (operation == TEE_HANDLE_NULL) 581 TEE_Panic(0); 582 583 if (!(operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET)) 584 TEE_Panic(0); 585 586 reset_operation_state(operation); 587 } 588 589 TEE_Result TEE_SetOperationKey(TEE_OperationHandle operation, 590 TEE_ObjectHandle key) 591 { 592 TEE_Result res; 593 uint32_t key_size = 0; 594 TEE_ObjectInfo key_info; 595 596 if (operation == TEE_HANDLE_NULL) { 597 res = TEE_ERROR_BAD_PARAMETERS; 598 goto out; 599 } 600 601 if (key == TEE_HANDLE_NULL) { 602 /* Operation key cleared */ 603 TEE_ResetTransientObject(operation->key1); 604 operation->info.handleState &= ~TEE_HANDLE_FLAG_KEY_SET; 605 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 606 reset_operation_state(operation); 607 return TEE_SUCCESS; 608 } 609 610 /* No key for digest operation */ 611 if (operation->info.operationClass == TEE_OPERATION_DIGEST) { 612 res = TEE_ERROR_BAD_PARAMETERS; 613 goto out; 614 } 615 616 /* Two keys flag not expected (TEE_ALG_AES_XTS excluded) */ 617 if ((operation->info.handleState & TEE_HANDLE_FLAG_EXPECT_TWO_KEYS) != 618 0) { 619 res = TEE_ERROR_BAD_PARAMETERS; 620 goto out; 621 } 622 623 res = TEE_GetObjectInfo1(key, &key_info); 624 /* Key is not a valid handle */ 625 if (res != TEE_SUCCESS) 626 goto out; 627 628 /* Supplied key has to meet required usage */ 629 if ((key_info.objectUsage & operation->info.requiredKeyUsage) != 630 operation->info.requiredKeyUsage) { 631 res = TEE_ERROR_BAD_PARAMETERS; 632 goto out; 633 } 634 635 if (operation->info.maxKeySize < key_info.objectSize) { 636 res = TEE_ERROR_BAD_PARAMETERS; 637 goto out; 638 } 639 640 key_size = key_info.objectSize; 641 642 TEE_ResetTransientObject(operation->key1); 643 operation->info.handleState &= ~TEE_HANDLE_FLAG_KEY_SET; 644 645 res = TEE_CopyObjectAttributes1(operation->key1, key); 646 if (res != TEE_SUCCESS) 647 goto out; 648 649 operation->info.handleState |= TEE_HANDLE_FLAG_KEY_SET; 650 651 operation->info.keySize = key_size; 652 653 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 654 reset_operation_state(operation); 655 656 out: 657 if (res != TEE_SUCCESS && 658 res != TEE_ERROR_CORRUPT_OBJECT && 659 res != TEE_ERROR_STORAGE_NOT_AVAILABLE) 660 TEE_Panic(res); 661 662 return res; 663 } 664 665 TEE_Result __GP11_TEE_SetOperationKey(TEE_OperationHandle operation, 666 TEE_ObjectHandle key) 667 { 668 if (operation == TEE_HANDLE_NULL || 669 operation->operationState != TEE_OPERATION_STATE_INITIAL) 670 TEE_Panic(0); 671 672 return TEE_SetOperationKey(operation, key); 673 } 674 675 static TEE_Result set_operation_key2(TEE_OperationHandle operation, 676 TEE_ObjectHandle key1, 677 TEE_ObjectHandle key2) 678 { 679 TEE_Result res; 680 uint32_t key_size = 0; 681 TEE_ObjectInfo key_info1; 682 TEE_ObjectInfo key_info2; 683 684 if (operation == TEE_HANDLE_NULL) { 685 res = TEE_ERROR_BAD_PARAMETERS; 686 goto out; 687 } 688 689 /* 690 * Key1/Key2 and/or are not initialized and 691 * Either both keys are NULL or both are not NULL 692 */ 693 if (!key1 && !key2) { 694 /* Clear the keys */ 695 TEE_ResetTransientObject(operation->key1); 696 TEE_ResetTransientObject(operation->key2); 697 operation->info.handleState &= ~TEE_HANDLE_FLAG_KEY_SET; 698 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 699 reset_operation_state(operation); 700 return TEE_SUCCESS; 701 } else if (!key1 || !key2) { 702 /* Both keys are obviously not valid. */ 703 res = TEE_ERROR_BAD_PARAMETERS; 704 goto out; 705 } 706 707 /* No key for digest operation */ 708 if (operation->info.operationClass == TEE_OPERATION_DIGEST) { 709 res = TEE_ERROR_BAD_PARAMETERS; 710 goto out; 711 } 712 713 /* Two keys flag expected (TEE_ALG_AES_XTS and TEE_ALG_SM2_KEP only) */ 714 if ((operation->info.handleState & TEE_HANDLE_FLAG_EXPECT_TWO_KEYS) == 715 0) { 716 res = TEE_ERROR_BAD_PARAMETERS; 717 goto out; 718 } 719 720 res = TEE_GetObjectInfo1(key1, &key_info1); 721 /* Key1 is not a valid handle */ 722 if (res != TEE_SUCCESS) 723 goto out; 724 725 /* Supplied key has to meet required usage */ 726 if ((key_info1.objectUsage & operation->info. 727 requiredKeyUsage) != operation->info.requiredKeyUsage) { 728 res = TEE_ERROR_BAD_PARAMETERS; 729 goto out; 730 } 731 732 res = TEE_GetObjectInfo1(key2, &key_info2); 733 /* Key2 is not a valid handle */ 734 if (res != TEE_SUCCESS) { 735 if (res == TEE_ERROR_CORRUPT_OBJECT) 736 res = TEE_ERROR_CORRUPT_OBJECT_2; 737 goto out; 738 } 739 740 /* Supplied key has to meet required usage */ 741 if ((key_info2.objectUsage & operation->info. 742 requiredKeyUsage) != operation->info.requiredKeyUsage) { 743 res = TEE_ERROR_BAD_PARAMETERS; 744 goto out; 745 } 746 747 /* 748 * All the multi key algorithm currently supported requires the keys to 749 * be of equal size. 750 */ 751 if (key_info1.objectSize != key_info2.objectSize) { 752 res = TEE_ERROR_BAD_PARAMETERS; 753 goto out; 754 755 } 756 757 if (operation->info.maxKeySize < key_info1.objectSize) { 758 res = TEE_ERROR_BAD_PARAMETERS; 759 goto out; 760 } 761 762 /* 763 * Odd that only the size of one key should be reported while 764 * size of two key are used when allocating the operation. 765 */ 766 key_size = key_info1.objectSize; 767 768 TEE_ResetTransientObject(operation->key1); 769 TEE_ResetTransientObject(operation->key2); 770 operation->info.handleState &= ~TEE_HANDLE_FLAG_KEY_SET; 771 772 res = TEE_CopyObjectAttributes1(operation->key1, key1); 773 if (res != TEE_SUCCESS) 774 goto out; 775 res = TEE_CopyObjectAttributes1(operation->key2, key2); 776 if (res != TEE_SUCCESS) { 777 if (res == TEE_ERROR_CORRUPT_OBJECT) 778 res = TEE_ERROR_CORRUPT_OBJECT_2; 779 goto out; 780 } 781 782 operation->info.handleState |= TEE_HANDLE_FLAG_KEY_SET; 783 784 operation->info.keySize = key_size; 785 786 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 787 reset_operation_state(operation); 788 out: 789 if (res != TEE_SUCCESS && 790 res != TEE_ERROR_CORRUPT_OBJECT && 791 res != TEE_ERROR_CORRUPT_OBJECT_2 && 792 res != TEE_ERROR_STORAGE_NOT_AVAILABLE && 793 res != TEE_ERROR_STORAGE_NOT_AVAILABLE_2) 794 TEE_Panic(res); 795 796 return res; 797 } 798 799 TEE_Result TEE_SetOperationKey2(TEE_OperationHandle operation, 800 TEE_ObjectHandle key1, TEE_ObjectHandle key2) 801 { 802 if (operation != TEE_HANDLE_NULL && key1 && key1 == key2) 803 return TEE_ERROR_SECURITY; 804 805 return set_operation_key2(operation, key1, key2); 806 } 807 808 TEE_Result __GP11_TEE_SetOperationKey2(TEE_OperationHandle operation, 809 TEE_ObjectHandle key1, 810 TEE_ObjectHandle key2) 811 { 812 if (operation == TEE_HANDLE_NULL || 813 operation->operationState != TEE_OPERATION_STATE_INITIAL) 814 TEE_Panic(0); 815 816 return set_operation_key2(operation, key1, key2); 817 } 818 819 void TEE_CopyOperation(TEE_OperationHandle dst_op, TEE_OperationHandle src_op) 820 { 821 TEE_Result res; 822 823 if (dst_op == TEE_HANDLE_NULL || src_op == TEE_HANDLE_NULL) 824 TEE_Panic(0); 825 if (dst_op->info.algorithm != src_op->info.algorithm) 826 TEE_Panic(0); 827 if (dst_op->info.mode != src_op->info.mode) 828 TEE_Panic(0); 829 if (src_op->info.operationClass != TEE_OPERATION_DIGEST) { 830 TEE_ObjectHandle key1 = TEE_HANDLE_NULL; 831 TEE_ObjectHandle key2 = TEE_HANDLE_NULL; 832 833 if (src_op->info.handleState & TEE_HANDLE_FLAG_KEY_SET) { 834 key1 = src_op->key1; 835 key2 = src_op->key2; 836 } 837 838 if ((src_op->info.handleState & 839 TEE_HANDLE_FLAG_EXPECT_TWO_KEYS) == 0) { 840 TEE_SetOperationKey(dst_op, key1); 841 } else { 842 TEE_SetOperationKey2(dst_op, key1, key2); 843 } 844 } 845 dst_op->info.handleState = src_op->info.handleState; 846 dst_op->info.keySize = src_op->info.keySize; 847 dst_op->info.digestLength = src_op->info.digestLength; 848 dst_op->operationState = src_op->operationState; 849 850 if (dst_op->buffer_two_blocks != src_op->buffer_two_blocks || 851 dst_op->block_size != src_op->block_size) 852 TEE_Panic(0); 853 854 if (dst_op->buffer != NULL) { 855 size_t sz = src_op->block_size; 856 857 if (src_op->buffer == NULL) 858 TEE_Panic(0); 859 860 if (src_op->buffer_two_blocks) 861 sz *= 2; 862 memcpy(dst_op->buffer, src_op->buffer, sz); 863 dst_op->buffer_offs = src_op->buffer_offs; 864 } else if (src_op->buffer != NULL) { 865 TEE_Panic(0); 866 } 867 868 res = _utee_cryp_state_copy(dst_op->state, src_op->state); 869 if (res != TEE_SUCCESS) 870 TEE_Panic(res); 871 } 872 873 /* Cryptographic Operations API - Message Digest Functions */ 874 875 static void init_hash_operation(TEE_OperationHandle operation, const void *IV, 876 uint32_t IVLen) 877 { 878 TEE_Result res; 879 880 /* 881 * Note : IV and IVLen are never used in current implementation 882 * This is why coherent values of IV and IVLen are not checked 883 */ 884 res = _utee_hash_init(operation->state, IV, IVLen); 885 if (res != TEE_SUCCESS) 886 TEE_Panic(res); 887 operation->buffer_offs = 0; 888 operation->info.handleState |= TEE_HANDLE_FLAG_INITIALIZED; 889 } 890 891 void TEE_DigestUpdate(TEE_OperationHandle operation, 892 const void *chunk, size_t chunkSize) 893 { 894 TEE_Result res = TEE_ERROR_GENERIC; 895 896 if (operation == TEE_HANDLE_NULL || 897 operation->info.operationClass != TEE_OPERATION_DIGEST) 898 TEE_Panic(0); 899 900 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 901 902 res = _utee_hash_update(operation->state, chunk, chunkSize); 903 if (res != TEE_SUCCESS) 904 TEE_Panic(res); 905 } 906 907 void __GP11_TEE_DigestUpdate(TEE_OperationHandle operation, 908 const void *chunk, uint32_t chunkSize) 909 { 910 return TEE_DigestUpdate(operation, chunk, chunkSize); 911 } 912 913 TEE_Result TEE_DigestDoFinal(TEE_OperationHandle operation, const void *chunk, 914 size_t chunkLen, void *hash, size_t *hashLen) 915 { 916 TEE_Result res = TEE_SUCCESS; 917 uint64_t hl = 0; 918 size_t len = 0; 919 920 if ((operation == TEE_HANDLE_NULL) || 921 (!chunk && chunkLen) || 922 (operation->info.operationClass != TEE_OPERATION_DIGEST)) { 923 res = TEE_ERROR_BAD_PARAMETERS; 924 goto out; 925 } 926 if (operation->operationState == TEE_OPERATION_STATE_EXTRACTING && 927 chunkLen) { 928 res = TEE_ERROR_BAD_PARAMETERS; 929 goto out; 930 } 931 __utee_check_inout_annotation(hashLen, sizeof(*hashLen)); 932 933 if (operation->operationState == TEE_OPERATION_STATE_EXTRACTING && 934 operation->buffer) { 935 /* 936 * This is not an Extendable-Output Function and we have 937 * already started extracting 938 */ 939 len = MIN(operation->block_size - operation->buffer_offs, 940 *hashLen); 941 memcpy(hash, operation->buffer + operation->buffer_offs, len); 942 *hashLen = len; 943 } else { 944 hl = *hashLen; 945 res = _utee_hash_final(operation->state, chunk, chunkLen, hash, 946 &hl); 947 *hashLen = hl; 948 if (res) 949 goto out; 950 } 951 952 /* Reset operation state */ 953 init_hash_operation(operation, NULL, 0); 954 955 operation->operationState = TEE_OPERATION_STATE_INITIAL; 956 957 out: 958 if (res != TEE_SUCCESS && 959 res != TEE_ERROR_SHORT_BUFFER) 960 TEE_Panic(res); 961 962 return res; 963 } 964 965 TEE_Result __GP11_TEE_DigestDoFinal(TEE_OperationHandle operation, 966 const void *chunk, uint32_t chunkLen, 967 void *hash, uint32_t *hashLen) 968 { 969 TEE_Result res = TEE_SUCCESS; 970 size_t l = 0; 971 972 __utee_check_inout_annotation(hashLen, sizeof(*hashLen)); 973 l = *hashLen; 974 res = TEE_DigestDoFinal(operation, chunk, chunkLen, hash, &l); 975 *hashLen = l; 976 return res; 977 } 978 979 TEE_Result TEE_DigestExtract(TEE_OperationHandle operation, void *hash, 980 size_t *hashLen) 981 { 982 TEE_Result res = TEE_SUCCESS; 983 uint64_t hl = 0; 984 size_t len = 0; 985 986 if (operation == TEE_HANDLE_NULL || 987 operation->info.operationClass != TEE_OPERATION_DIGEST) 988 TEE_Panic(0); 989 __utee_check_inout_annotation(hashLen, sizeof(*hashLen)); 990 991 if (!operation->buffer) { 992 /* This is an Extendable-Output Function */ 993 operation->info.handleState |= TEE_HANDLE_FLAG_EXTRACTING; 994 operation->operationState = TEE_OPERATION_STATE_EXTRACTING; 995 hl = *hashLen; 996 res = _utee_hash_final(operation->state, NULL, 0, hash, &hl); 997 if (res) 998 TEE_Panic(0); 999 *hashLen = hl; 1000 1001 return TEE_SUCCESS; 1002 } 1003 1004 if (operation->operationState != TEE_OPERATION_STATE_EXTRACTING) { 1005 hl = operation->block_size; 1006 res = _utee_hash_final(operation->state, NULL, 0, 1007 operation->buffer, &hl); 1008 if (res) 1009 TEE_Panic(0); 1010 if (hl != operation->block_size) 1011 TEE_Panic(0); 1012 assert(!operation->buffer_offs); 1013 operation->info.handleState |= TEE_HANDLE_FLAG_EXTRACTING; 1014 operation->operationState = TEE_OPERATION_STATE_EXTRACTING; 1015 } 1016 1017 len = MIN(operation->block_size - operation->buffer_offs, *hashLen); 1018 memcpy(hash, operation->buffer + operation->buffer_offs, len); 1019 *hashLen = len; 1020 operation->buffer_offs += len; 1021 1022 return TEE_SUCCESS; 1023 } 1024 1025 /* Cryptographic Operations API - Symmetric Cipher Functions */ 1026 1027 void TEE_CipherInit(TEE_OperationHandle operation, const void *IV, 1028 size_t IVLen) 1029 { 1030 TEE_Result res; 1031 1032 if (operation == TEE_HANDLE_NULL) 1033 TEE_Panic(0); 1034 1035 if (operation->info.operationClass != TEE_OPERATION_CIPHER) 1036 TEE_Panic(0); 1037 1038 if (!(operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) || 1039 !(operation->key1)) 1040 TEE_Panic(0); 1041 1042 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 1043 TEE_ResetOperation(operation); 1044 1045 if (IV && IVLen) { 1046 if (operation->info.algorithm == TEE_ALG_AES_ECB_NOPAD || 1047 operation->info.algorithm == TEE_ALG_DES_ECB_NOPAD || 1048 operation->info.algorithm == TEE_ALG_DES3_ECB_NOPAD || 1049 operation->info.algorithm == TEE_ALG_SM4_ECB_NOPAD) 1050 TEE_Panic(0); 1051 } 1052 1053 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1054 1055 res = _utee_cipher_init(operation->state, IV, IVLen); 1056 if (res != TEE_SUCCESS) 1057 TEE_Panic(res); 1058 1059 operation->buffer_offs = 0; 1060 operation->info.handleState |= TEE_HANDLE_FLAG_INITIALIZED; 1061 } 1062 1063 void __GP11_TEE_CipherInit(TEE_OperationHandle operation, const void *IV, 1064 uint32_t IVLen) 1065 { 1066 return TEE_CipherInit(operation, IV, IVLen); 1067 } 1068 1069 static TEE_Result tee_buffer_update( 1070 TEE_OperationHandle op, 1071 TEE_Result(*update_func)(unsigned long state, const void *src, 1072 size_t slen, void *dst, uint64_t *dlen), 1073 const void *src_data, size_t src_len, 1074 void *dest_data, uint64_t *dest_len) 1075 { 1076 TEE_Result res; 1077 const uint8_t *src = src_data; 1078 size_t slen = src_len; 1079 uint8_t *dst = dest_data; 1080 size_t dlen = *dest_len; 1081 size_t acc_dlen = 0; 1082 uint64_t tmp_dlen; 1083 size_t l; 1084 size_t buffer_size; 1085 size_t buffer_left; 1086 1087 if (!src) { 1088 if (slen) 1089 TEE_Panic(0); 1090 goto out; 1091 } 1092 1093 if (op->buffer_two_blocks) { 1094 buffer_size = op->block_size * 2; 1095 buffer_left = 1; 1096 } else { 1097 buffer_size = op->block_size; 1098 buffer_left = 0; 1099 } 1100 1101 if (op->buffer_offs > 0) { 1102 /* Fill up complete block */ 1103 if (op->buffer_offs < op->block_size) 1104 l = MIN(slen, op->block_size - op->buffer_offs); 1105 else 1106 l = MIN(slen, buffer_size - op->buffer_offs); 1107 memcpy(op->buffer + op->buffer_offs, src, l); 1108 op->buffer_offs += l; 1109 src += l; 1110 slen -= l; 1111 if ((op->buffer_offs % op->block_size) != 0) 1112 goto out; /* Nothing left to do */ 1113 } 1114 1115 /* If we can feed from buffer */ 1116 if ((op->buffer_offs > 0) && 1117 ((op->buffer_offs + slen) >= (buffer_size + buffer_left))) { 1118 l = ROUNDUP(op->buffer_offs + slen - buffer_size, 1119 op->block_size); 1120 l = MIN(op->buffer_offs, l); 1121 /* 1122 * If we're buffering only a single block, process it 1123 * immediately. 1124 */ 1125 if (!op->buffer_two_blocks) 1126 l = op->block_size; 1127 tmp_dlen = dlen; 1128 res = update_func(op->state, op->buffer, l, dst, &tmp_dlen); 1129 if (res != TEE_SUCCESS) 1130 TEE_Panic(res); 1131 dst += tmp_dlen; 1132 dlen -= tmp_dlen; 1133 acc_dlen += tmp_dlen; 1134 op->buffer_offs -= l; 1135 if (op->buffer_offs > 0) { 1136 /* 1137 * Slen is small enough to be contained in rest buffer. 1138 */ 1139 memcpy(op->buffer, op->buffer + l, buffer_size - l); 1140 memcpy(op->buffer + op->buffer_offs, src, slen); 1141 op->buffer_offs += slen; 1142 goto out; /* Nothing left to do */ 1143 } 1144 } 1145 1146 if (slen >= (buffer_size + buffer_left)) { 1147 /* Buffer is empty, feed as much as possible from src */ 1148 if (op->info.algorithm == TEE_ALG_AES_CTS) 1149 l = ROUNDUP(slen - buffer_size, op->block_size); 1150 else 1151 l = ROUNDUP(slen - buffer_size + 1, op->block_size); 1152 1153 tmp_dlen = dlen; 1154 res = update_func(op->state, src, l, dst, &tmp_dlen); 1155 if (res != TEE_SUCCESS) 1156 TEE_Panic(res); 1157 src += l; 1158 slen -= l; 1159 dst += tmp_dlen; 1160 dlen -= tmp_dlen; 1161 acc_dlen += tmp_dlen; 1162 } 1163 1164 /* Slen is small enough to be contained in buffer. */ 1165 memcpy(op->buffer + op->buffer_offs, src, slen); 1166 op->buffer_offs += slen; 1167 1168 out: 1169 *dest_len = acc_dlen; 1170 return TEE_SUCCESS; 1171 } 1172 1173 TEE_Result TEE_CipherUpdate(TEE_OperationHandle operation, const void *srcData, 1174 size_t srcLen, void *destData, size_t *destLen) 1175 { 1176 TEE_Result res; 1177 size_t req_dlen; 1178 uint64_t dl; 1179 1180 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1181 res = TEE_ERROR_BAD_PARAMETERS; 1182 goto out; 1183 } 1184 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1185 1186 if (operation->info.operationClass != TEE_OPERATION_CIPHER) { 1187 res = TEE_ERROR_BAD_PARAMETERS; 1188 goto out; 1189 } 1190 1191 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1192 res = TEE_ERROR_BAD_PARAMETERS; 1193 goto out; 1194 } 1195 1196 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1197 res = TEE_ERROR_BAD_PARAMETERS; 1198 goto out; 1199 } 1200 1201 if (!srcData && !srcLen) { 1202 *destLen = 0; 1203 res = TEE_SUCCESS; 1204 goto out; 1205 } 1206 1207 /* Calculate required dlen */ 1208 if (operation->block_size > 1) { 1209 req_dlen = ((operation->buffer_offs + srcLen) / 1210 operation->block_size) * operation->block_size; 1211 } else { 1212 req_dlen = srcLen; 1213 } 1214 if (operation->buffer_two_blocks) { 1215 if (req_dlen > operation->block_size * 2) 1216 req_dlen -= operation->block_size * 2; 1217 else 1218 req_dlen = 0; 1219 } 1220 /* 1221 * Check that required destLen is big enough before starting to feed 1222 * data to the algorithm. Errors during feeding of data are fatal as we 1223 * can't restore sync with this API. 1224 */ 1225 if (*destLen < req_dlen) { 1226 *destLen = req_dlen; 1227 res = TEE_ERROR_SHORT_BUFFER; 1228 goto out; 1229 } 1230 1231 dl = *destLen; 1232 if (operation->block_size > 1) { 1233 res = tee_buffer_update(operation, _utee_cipher_update, srcData, 1234 srcLen, destData, &dl); 1235 } else { 1236 if (srcLen > 0) { 1237 res = _utee_cipher_update(operation->state, srcData, 1238 srcLen, destData, &dl); 1239 } else { 1240 res = TEE_SUCCESS; 1241 dl = 0; 1242 } 1243 } 1244 *destLen = dl; 1245 1246 out: 1247 if (res != TEE_SUCCESS && 1248 res != TEE_ERROR_SHORT_BUFFER) 1249 TEE_Panic(res); 1250 1251 return res; 1252 } 1253 1254 TEE_Result __GP11_TEE_CipherUpdate(TEE_OperationHandle operation, 1255 const void *srcData, uint32_t srcLen, 1256 void *destData, uint32_t *destLen) 1257 { 1258 TEE_Result res = TEE_SUCCESS; 1259 size_t dl = 0; 1260 1261 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1262 dl = *destLen; 1263 res = TEE_CipherUpdate(operation, srcData, srcLen, destData, &dl); 1264 *destLen = dl; 1265 return res; 1266 } 1267 1268 TEE_Result TEE_CipherDoFinal(TEE_OperationHandle operation, 1269 const void *srcData, size_t srcLen, 1270 void *destData, size_t *destLen) 1271 { 1272 TEE_Result res = TEE_SUCCESS; 1273 uint8_t *dst = destData; 1274 size_t acc_dlen = 0; 1275 uint64_t tmp_dlen = 0; 1276 size_t req_dlen = 0; 1277 1278 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1279 res = TEE_ERROR_BAD_PARAMETERS; 1280 goto out; 1281 } 1282 if (destLen) 1283 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1284 1285 if (operation->info.operationClass != TEE_OPERATION_CIPHER) { 1286 res = TEE_ERROR_BAD_PARAMETERS; 1287 goto out; 1288 } 1289 1290 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1291 res = TEE_ERROR_BAD_PARAMETERS; 1292 goto out; 1293 } 1294 1295 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1296 res = TEE_ERROR_BAD_PARAMETERS; 1297 goto out; 1298 } 1299 1300 /* 1301 * Check that the final block doesn't require padding for those 1302 * algorithms that requires client to supply padding. 1303 */ 1304 if (operation->info.algorithm == TEE_ALG_AES_ECB_NOPAD || 1305 operation->info.algorithm == TEE_ALG_AES_CBC_NOPAD || 1306 operation->info.algorithm == TEE_ALG_DES_ECB_NOPAD || 1307 operation->info.algorithm == TEE_ALG_DES_CBC_NOPAD || 1308 operation->info.algorithm == TEE_ALG_DES3_ECB_NOPAD || 1309 operation->info.algorithm == TEE_ALG_DES3_CBC_NOPAD || 1310 operation->info.algorithm == TEE_ALG_SM4_ECB_NOPAD || 1311 operation->info.algorithm == TEE_ALG_SM4_CBC_NOPAD) { 1312 if (((operation->buffer_offs + srcLen) % operation->block_size) 1313 != 0) { 1314 res = TEE_ERROR_BAD_PARAMETERS; 1315 goto out; 1316 } 1317 } 1318 1319 /* 1320 * Check that required destLen is big enough before starting to feed 1321 * data to the algorithm. Errors during feeding of data are fatal as we 1322 * can't restore sync with this API. 1323 */ 1324 if (operation->block_size > 1) { 1325 req_dlen = operation->buffer_offs + srcLen; 1326 } else { 1327 req_dlen = srcLen; 1328 } 1329 if (destLen) 1330 tmp_dlen = *destLen; 1331 if (tmp_dlen < req_dlen) { 1332 if (destLen) 1333 *destLen = req_dlen; 1334 res = TEE_ERROR_SHORT_BUFFER; 1335 goto out; 1336 } 1337 1338 if (operation->block_size > 1) { 1339 if (srcLen) { 1340 res = tee_buffer_update(operation, _utee_cipher_update, 1341 srcData, srcLen, dst, 1342 &tmp_dlen); 1343 if (res != TEE_SUCCESS) 1344 goto out; 1345 1346 dst += tmp_dlen; 1347 acc_dlen += tmp_dlen; 1348 1349 tmp_dlen = *destLen - acc_dlen; 1350 } 1351 res = _utee_cipher_final(operation->state, operation->buffer, 1352 operation->buffer_offs, dst, 1353 &tmp_dlen); 1354 } else { 1355 res = _utee_cipher_final(operation->state, srcData, srcLen, dst, 1356 &tmp_dlen); 1357 } 1358 if (res != TEE_SUCCESS) 1359 goto out; 1360 1361 acc_dlen += tmp_dlen; 1362 if (destLen) 1363 *destLen = acc_dlen; 1364 1365 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1366 1367 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1368 1369 out: 1370 if (res != TEE_SUCCESS && 1371 res != TEE_ERROR_SHORT_BUFFER) 1372 TEE_Panic(res); 1373 1374 return res; 1375 } 1376 1377 TEE_Result __GP11_TEE_CipherDoFinal(TEE_OperationHandle operation, 1378 const void *srcData, uint32_t srcLen, 1379 void *destData, uint32_t *destLen) 1380 { 1381 TEE_Result res = TEE_SUCCESS; 1382 size_t dl = 0; 1383 1384 if (destLen) { 1385 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1386 dl = *destLen; 1387 } 1388 res = TEE_CipherDoFinal(operation, srcData, srcLen, destData, &dl); 1389 if (destLen) 1390 *destLen = dl; 1391 return res; 1392 } 1393 1394 /* Cryptographic Operations API - MAC Functions */ 1395 1396 void TEE_MACInit(TEE_OperationHandle operation, const void *IV, size_t IVLen) 1397 { 1398 if (operation == TEE_HANDLE_NULL) 1399 TEE_Panic(0); 1400 1401 if (operation->info.operationClass != TEE_OPERATION_MAC) 1402 TEE_Panic(0); 1403 1404 if (!(operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) || 1405 !(operation->key1)) 1406 TEE_Panic(0); 1407 1408 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 1409 TEE_ResetOperation(operation); 1410 1411 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1412 1413 init_hash_operation(operation, IV, IVLen); 1414 } 1415 1416 void __GP11_TEE_MACInit(TEE_OperationHandle operation, const void *IV, 1417 uint32_t IVLen) 1418 { 1419 return TEE_MACInit(operation, IV, IVLen); 1420 } 1421 1422 void TEE_MACUpdate(TEE_OperationHandle operation, const void *chunk, 1423 size_t chunkSize) 1424 { 1425 TEE_Result res; 1426 1427 if (operation == TEE_HANDLE_NULL || (chunk == NULL && chunkSize != 0)) 1428 TEE_Panic(0); 1429 1430 if (operation->info.operationClass != TEE_OPERATION_MAC) 1431 TEE_Panic(0); 1432 1433 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) 1434 TEE_Panic(0); 1435 1436 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) 1437 TEE_Panic(0); 1438 1439 res = _utee_hash_update(operation->state, chunk, chunkSize); 1440 if (res != TEE_SUCCESS) 1441 TEE_Panic(res); 1442 } 1443 1444 void __GP11_TEE_MACUpdate(TEE_OperationHandle operation, const void *chunk, 1445 uint32_t chunkSize) 1446 { 1447 return TEE_MACUpdate(operation, chunk, chunkSize); 1448 } 1449 1450 TEE_Result TEE_MACComputeFinal(TEE_OperationHandle operation, 1451 const void *message, size_t messageLen, 1452 void *mac, size_t *macLen) 1453 { 1454 TEE_Result res; 1455 uint64_t ml; 1456 1457 if (operation == TEE_HANDLE_NULL || (!message && messageLen)) { 1458 res = TEE_ERROR_BAD_PARAMETERS; 1459 goto out; 1460 } 1461 __utee_check_inout_annotation(macLen, sizeof(*macLen)); 1462 1463 if (operation->info.operationClass != TEE_OPERATION_MAC) { 1464 res = TEE_ERROR_BAD_PARAMETERS; 1465 goto out; 1466 } 1467 1468 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1469 res = TEE_ERROR_BAD_PARAMETERS; 1470 goto out; 1471 } 1472 1473 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1474 res = TEE_ERROR_BAD_PARAMETERS; 1475 goto out; 1476 } 1477 1478 ml = *macLen; 1479 res = _utee_hash_final(operation->state, message, messageLen, mac, &ml); 1480 *macLen = ml; 1481 if (res != TEE_SUCCESS) 1482 goto out; 1483 1484 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1485 1486 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1487 1488 out: 1489 if (res != TEE_SUCCESS && 1490 res != TEE_ERROR_SHORT_BUFFER) 1491 TEE_Panic(res); 1492 1493 return res; 1494 } 1495 1496 TEE_Result __GP11_TEE_MACComputeFinal(TEE_OperationHandle operation, 1497 const void *message, uint32_t messageLen, 1498 void *mac, uint32_t *macLen) 1499 { 1500 TEE_Result res = TEE_SUCCESS; 1501 size_t ml = 0; 1502 1503 __utee_check_inout_annotation(macLen, sizeof(*macLen)); 1504 ml = *macLen; 1505 res = TEE_MACComputeFinal(operation, message, messageLen, mac, &ml); 1506 *macLen = ml; 1507 return res; 1508 } 1509 1510 TEE_Result TEE_MACCompareFinal(TEE_OperationHandle operation, 1511 const void *message, size_t messageLen, 1512 const void *mac, size_t macLen) 1513 { 1514 TEE_Result res; 1515 uint8_t computed_mac[TEE_MAX_HASH_SIZE] = { 0 }; 1516 size_t computed_mac_size = TEE_MAX_HASH_SIZE; 1517 1518 if (operation->info.operationClass != TEE_OPERATION_MAC) { 1519 res = TEE_ERROR_BAD_PARAMETERS; 1520 goto out; 1521 } 1522 1523 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1524 res = TEE_ERROR_BAD_PARAMETERS; 1525 goto out; 1526 } 1527 1528 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1529 res = TEE_ERROR_BAD_PARAMETERS; 1530 goto out; 1531 } 1532 1533 res = TEE_MACComputeFinal(operation, message, messageLen, computed_mac, 1534 &computed_mac_size); 1535 if (res != TEE_SUCCESS) 1536 goto out; 1537 1538 if (computed_mac_size != macLen) { 1539 res = TEE_ERROR_MAC_INVALID; 1540 goto out; 1541 } 1542 1543 if (consttime_memcmp(mac, computed_mac, computed_mac_size) != 0) { 1544 res = TEE_ERROR_MAC_INVALID; 1545 goto out; 1546 } 1547 1548 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1549 1550 out: 1551 if (res != TEE_SUCCESS && 1552 res != TEE_ERROR_MAC_INVALID) 1553 TEE_Panic(res); 1554 1555 return res; 1556 } 1557 1558 TEE_Result __GP11_TEE_MACCompareFinal(TEE_OperationHandle operation, 1559 const void *message, uint32_t messageLen, 1560 const void *mac, uint32_t macLen) 1561 { 1562 return TEE_MACCompareFinal(operation, message, messageLen, mac, macLen); 1563 } 1564 1565 /* Cryptographic Operations API - Authenticated Encryption Functions */ 1566 1567 TEE_Result TEE_AEInit(TEE_OperationHandle operation, const void *nonce, 1568 size_t nonceLen, uint32_t tagLen, size_t AADLen, 1569 size_t payloadLen) 1570 { 1571 TEE_Result res; 1572 1573 if (operation == TEE_HANDLE_NULL || nonce == NULL) { 1574 res = TEE_ERROR_BAD_PARAMETERS; 1575 goto out; 1576 } 1577 1578 if (operation->info.operationClass != TEE_OPERATION_AE) { 1579 res = TEE_ERROR_BAD_PARAMETERS; 1580 goto out; 1581 } 1582 1583 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) { 1584 res = TEE_ERROR_BAD_PARAMETERS; 1585 goto out; 1586 } 1587 1588 /* 1589 * AES-CCM tag len is specified by AES-CCM spec and handled in TEE Core 1590 * in the implementation. But AES-GCM spec doesn't specify the tag len 1591 * according to the same principle so we have to check here instead to 1592 * be GP compliant. 1593 */ 1594 if (operation->info.algorithm == TEE_ALG_AES_GCM) { 1595 /* 1596 * From GP spec: For AES-GCM, can be 128, 120, 112, 104, or 96 1597 */ 1598 if (tagLen < 96 || tagLen > 128 || (tagLen % 8 != 0)) { 1599 res = TEE_ERROR_NOT_SUPPORTED; 1600 goto out; 1601 } 1602 } 1603 1604 res = _utee_authenc_init(operation->state, nonce, nonceLen, tagLen / 8, 1605 AADLen, payloadLen); 1606 if (res != TEE_SUCCESS) 1607 goto out; 1608 1609 operation->info.digestLength = tagLen / 8; 1610 operation->buffer_offs = 0; 1611 operation->info.handleState |= TEE_HANDLE_FLAG_INITIALIZED; 1612 1613 out: 1614 if (res != TEE_SUCCESS && 1615 res != TEE_ERROR_NOT_SUPPORTED) 1616 TEE_Panic(res); 1617 1618 return res; 1619 } 1620 1621 TEE_Result __GP11_TEE_AEInit(TEE_OperationHandle operation, const void *nonce, 1622 uint32_t nonceLen, uint32_t tagLen, 1623 uint32_t AADLen, uint32_t payloadLen) 1624 { 1625 return TEE_AEInit(operation, nonce, nonceLen, tagLen, AADLen, 1626 payloadLen); 1627 } 1628 1629 void TEE_AEUpdateAAD(TEE_OperationHandle operation, const void *AADdata, 1630 size_t AADdataLen) 1631 { 1632 TEE_Result res = TEE_SUCCESS; 1633 1634 if (operation == TEE_HANDLE_NULL || (!AADdata && AADdataLen)) 1635 TEE_Panic(0); 1636 1637 if (operation->info.operationClass != TEE_OPERATION_AE) 1638 TEE_Panic(0); 1639 1640 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 1641 TEE_Panic(0); 1642 1643 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) 1644 TEE_Panic(0); 1645 1646 res = _utee_authenc_update_aad(operation->state, AADdata, AADdataLen); 1647 if (res != TEE_SUCCESS) 1648 TEE_Panic(res); 1649 } 1650 1651 void __GP11_TEE_AEUpdateAAD(TEE_OperationHandle operation, const void *AADdata, 1652 uint32_t AADdataLen) 1653 { 1654 TEE_Result res = TEE_SUCCESS; 1655 1656 if (operation == TEE_HANDLE_NULL || 1657 (AADdata == NULL && AADdataLen != 0)) 1658 TEE_Panic(0); 1659 1660 if (operation->info.operationClass != TEE_OPERATION_AE) 1661 TEE_Panic(0); 1662 1663 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) 1664 TEE_Panic(0); 1665 1666 res = _utee_authenc_update_aad(operation->state, AADdata, AADdataLen); 1667 1668 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1669 1670 if (res != TEE_SUCCESS) 1671 TEE_Panic(res); 1672 } 1673 1674 static TEE_Result ae_update_helper(TEE_OperationHandle operation, 1675 const void *src, size_t slen, void *dst, 1676 size_t *dlen) 1677 { 1678 TEE_Result res = TEE_SUCCESS; 1679 size_t req_dlen = 0; 1680 uint64_t dl = 0; 1681 1682 if (!src && !slen) { 1683 *dlen = 0; 1684 return TEE_SUCCESS; 1685 } 1686 1687 /* 1688 * Check that required destLen is big enough before starting to feed 1689 * data to the algorithm. Errors during feeding of data are fatal as we 1690 * can't restore sync with this API. 1691 */ 1692 if (operation->block_size > 1) { 1693 req_dlen = ROUNDDOWN(operation->buffer_offs + slen, 1694 operation->block_size); 1695 } else { 1696 req_dlen = slen; 1697 } 1698 1699 dl = *dlen; 1700 if (dl < req_dlen) { 1701 *dlen = req_dlen; 1702 return TEE_ERROR_SHORT_BUFFER; 1703 } 1704 1705 if (operation->block_size > 1) { 1706 res = tee_buffer_update(operation, _utee_authenc_update_payload, 1707 src, slen, dst, &dl); 1708 } else { 1709 if (slen > 0) { 1710 res = _utee_authenc_update_payload(operation->state, 1711 src, slen, dst, &dl); 1712 } else { 1713 dl = 0; 1714 res = TEE_SUCCESS; 1715 } 1716 } 1717 1718 if (!res) 1719 *dlen = dl; 1720 1721 return res; 1722 } 1723 1724 TEE_Result TEE_AEUpdate(TEE_OperationHandle operation, const void *srcData, 1725 size_t srcLen, void *destData, size_t *destLen) 1726 { 1727 TEE_Result res = TEE_SUCCESS; 1728 1729 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1730 res = TEE_ERROR_BAD_PARAMETERS; 1731 goto out; 1732 } 1733 __utee_check_outbuf_annotation(destData, destLen); 1734 1735 if (operation->info.operationClass != TEE_OPERATION_AE) { 1736 res = TEE_ERROR_BAD_PARAMETERS; 1737 goto out; 1738 } 1739 1740 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1741 res = TEE_ERROR_BAD_PARAMETERS; 1742 goto out; 1743 } 1744 1745 res = ae_update_helper(operation, srcData, srcLen, destData, destLen); 1746 if (res != TEE_ERROR_SHORT_BUFFER && srcLen) 1747 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1748 1749 out: 1750 if (res != TEE_SUCCESS && 1751 res != TEE_ERROR_SHORT_BUFFER) 1752 TEE_Panic(res); 1753 1754 return res; 1755 } 1756 1757 TEE_Result __GP11_TEE_AEUpdate(TEE_OperationHandle operation, 1758 const void *srcData, uint32_t srcLen, 1759 void *destData, uint32_t *destLen) 1760 { 1761 TEE_Result res = TEE_SUCCESS; 1762 size_t dl = 0; 1763 1764 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1765 res = TEE_ERROR_BAD_PARAMETERS; 1766 goto out; 1767 } 1768 __utee_check_gp11_outbuf_annotation(destData, destLen); 1769 1770 if (operation->info.operationClass != TEE_OPERATION_AE) { 1771 res = TEE_ERROR_BAD_PARAMETERS; 1772 goto out; 1773 } 1774 1775 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1776 res = TEE_ERROR_BAD_PARAMETERS; 1777 goto out; 1778 } 1779 1780 dl = *destLen; 1781 res = ae_update_helper(operation, srcData, srcLen, destData, &dl); 1782 *destLen = dl; 1783 1784 if (res != TEE_SUCCESS) 1785 goto out; 1786 1787 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1788 1789 out: 1790 if (res != TEE_SUCCESS && 1791 res != TEE_ERROR_SHORT_BUFFER) 1792 TEE_Panic(res); 1793 1794 return res; 1795 } 1796 1797 TEE_Result TEE_AEEncryptFinal(TEE_OperationHandle operation, 1798 const void *srcData, size_t srcLen, 1799 void *destData, size_t *destLen, void *tag, 1800 size_t *tagLen) 1801 { 1802 TEE_Result res = TEE_SUCCESS; 1803 uint8_t *dst = destData; 1804 size_t acc_dlen = 0; 1805 uint64_t tmp_dlen = 0; 1806 size_t req_dlen = 0; 1807 uint64_t tl = 0; 1808 1809 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1810 res = TEE_ERROR_BAD_PARAMETERS; 1811 goto out; 1812 } 1813 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1814 __utee_check_inout_annotation(tagLen, sizeof(*tagLen)); 1815 1816 if (operation->info.operationClass != TEE_OPERATION_AE) { 1817 res = TEE_ERROR_BAD_PARAMETERS; 1818 goto out; 1819 } 1820 1821 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1822 res = TEE_ERROR_BAD_PARAMETERS; 1823 goto out; 1824 } 1825 1826 /* 1827 * Check that required destLen is big enough before starting to feed 1828 * data to the algorithm. Errors during feeding of data are fatal as we 1829 * can't restore sync with this API. 1830 * 1831 * Need to check this before update_payload since sync would be lost if 1832 * we return short buffer after that. 1833 */ 1834 res = TEE_ERROR_GENERIC; 1835 1836 req_dlen = operation->buffer_offs + srcLen; 1837 if (*destLen < req_dlen) { 1838 *destLen = req_dlen; 1839 res = TEE_ERROR_SHORT_BUFFER; 1840 } 1841 1842 if (*tagLen < operation->info.digestLength) { 1843 *tagLen = operation->info.digestLength; 1844 res = TEE_ERROR_SHORT_BUFFER; 1845 } 1846 1847 if (res == TEE_ERROR_SHORT_BUFFER) 1848 goto out; 1849 1850 tl = *tagLen; 1851 tmp_dlen = *destLen - acc_dlen; 1852 if (operation->block_size > 1) { 1853 res = tee_buffer_update(operation, _utee_authenc_update_payload, 1854 srcData, srcLen, dst, &tmp_dlen); 1855 if (res != TEE_SUCCESS) 1856 goto out; 1857 1858 dst += tmp_dlen; 1859 acc_dlen += tmp_dlen; 1860 1861 tmp_dlen = *destLen - acc_dlen; 1862 res = _utee_authenc_enc_final(operation->state, 1863 operation->buffer, 1864 operation->buffer_offs, dst, 1865 &tmp_dlen, tag, &tl); 1866 } else { 1867 res = _utee_authenc_enc_final(operation->state, srcData, 1868 srcLen, dst, &tmp_dlen, 1869 tag, &tl); 1870 } 1871 *tagLen = tl; 1872 if (res != TEE_SUCCESS) 1873 goto out; 1874 1875 acc_dlen += tmp_dlen; 1876 *destLen = acc_dlen; 1877 1878 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1879 1880 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1881 1882 out: 1883 if (res != TEE_SUCCESS && 1884 res != TEE_ERROR_SHORT_BUFFER) 1885 TEE_Panic(res); 1886 1887 return res; 1888 } 1889 1890 TEE_Result __GP11_TEE_AEEncryptFinal(TEE_OperationHandle operation, 1891 const void *srcData, uint32_t srcLen, 1892 void *destData, uint32_t *destLen, 1893 void *tag, uint32_t *tagLen) 1894 { 1895 TEE_Result res = TEE_SUCCESS; 1896 size_t dl = 0; 1897 size_t tl = 0; 1898 1899 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1900 __utee_check_inout_annotation(tagLen, sizeof(*tagLen)); 1901 dl = *destLen; 1902 tl = *tagLen; 1903 res = TEE_AEEncryptFinal(operation, srcData, srcLen, destData, &dl, 1904 tag, &tl); 1905 *destLen = dl; 1906 *tagLen = tl; 1907 return res; 1908 } 1909 1910 TEE_Result TEE_AEDecryptFinal(TEE_OperationHandle operation, 1911 const void *srcData, size_t srcLen, 1912 void *destData, size_t *destLen, void *tag, 1913 size_t tagLen) 1914 { 1915 TEE_Result res = TEE_SUCCESS; 1916 uint8_t *dst = destData; 1917 size_t acc_dlen = 0; 1918 uint64_t tmp_dlen = 0; 1919 size_t req_dlen = 0; 1920 1921 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1922 res = TEE_ERROR_BAD_PARAMETERS; 1923 goto out; 1924 } 1925 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1926 1927 if (operation->info.operationClass != TEE_OPERATION_AE) { 1928 res = TEE_ERROR_BAD_PARAMETERS; 1929 goto out; 1930 } 1931 1932 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1933 res = TEE_ERROR_BAD_PARAMETERS; 1934 goto out; 1935 } 1936 1937 /* 1938 * Check that required destLen is big enough before starting to feed 1939 * data to the algorithm. Errors during feeding of data are fatal as we 1940 * can't restore sync with this API. 1941 */ 1942 req_dlen = operation->buffer_offs + srcLen; 1943 if (*destLen < req_dlen) { 1944 *destLen = req_dlen; 1945 res = TEE_ERROR_SHORT_BUFFER; 1946 goto out; 1947 } 1948 1949 tmp_dlen = *destLen - acc_dlen; 1950 if (operation->block_size > 1) { 1951 res = tee_buffer_update(operation, _utee_authenc_update_payload, 1952 srcData, srcLen, dst, &tmp_dlen); 1953 if (res != TEE_SUCCESS) 1954 goto out; 1955 1956 dst += tmp_dlen; 1957 acc_dlen += tmp_dlen; 1958 1959 tmp_dlen = *destLen - acc_dlen; 1960 res = _utee_authenc_dec_final(operation->state, 1961 operation->buffer, 1962 operation->buffer_offs, dst, 1963 &tmp_dlen, tag, tagLen); 1964 } else { 1965 res = _utee_authenc_dec_final(operation->state, srcData, 1966 srcLen, dst, &tmp_dlen, 1967 tag, tagLen); 1968 } 1969 if (res != TEE_SUCCESS) 1970 goto out; 1971 1972 /* Supplied tagLen should match what we initiated with */ 1973 if (tagLen != operation->info.digestLength) 1974 res = TEE_ERROR_MAC_INVALID; 1975 1976 acc_dlen += tmp_dlen; 1977 *destLen = acc_dlen; 1978 1979 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1980 1981 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1982 1983 out: 1984 if (res != TEE_SUCCESS && 1985 res != TEE_ERROR_SHORT_BUFFER && 1986 res != TEE_ERROR_MAC_INVALID) 1987 TEE_Panic(res); 1988 1989 return res; 1990 } 1991 1992 TEE_Result __GP11_TEE_AEDecryptFinal(TEE_OperationHandle operation, 1993 const void *srcData, uint32_t srcLen, 1994 void *destData, uint32_t *destLen, 1995 void *tag, uint32_t tagLen) 1996 { 1997 TEE_Result res = TEE_SUCCESS; 1998 size_t dl = 0; 1999 2000 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2001 dl = *destLen; 2002 res = TEE_AEDecryptFinal(operation, srcData, srcLen, destData, &dl, 2003 tag, tagLen); 2004 *destLen = dl; 2005 return res; 2006 } 2007 2008 /* Cryptographic Operations API - Asymmetric Functions */ 2009 2010 TEE_Result TEE_AsymmetricEncrypt(TEE_OperationHandle operation, 2011 const TEE_Attribute *params, 2012 uint32_t paramCount, const void *srcData, 2013 size_t srcLen, void *destData, 2014 size_t *destLen) 2015 { 2016 TEE_Result res = TEE_SUCCESS; 2017 struct utee_attribute ua[paramCount]; 2018 uint64_t dl = 0; 2019 2020 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2021 TEE_Panic(0); 2022 2023 __utee_check_attr_in_annotation(params, paramCount); 2024 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2025 2026 if (!operation->key1) 2027 TEE_Panic(0); 2028 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2029 TEE_Panic(0); 2030 if (operation->info.mode != TEE_MODE_ENCRYPT) 2031 TEE_Panic(0); 2032 2033 __utee_from_attr(ua, params, paramCount); 2034 dl = *destLen; 2035 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2036 srcLen, destData, &dl); 2037 *destLen = dl; 2038 2039 if (res != TEE_SUCCESS && 2040 res != TEE_ERROR_SHORT_BUFFER && 2041 res != TEE_ERROR_BAD_PARAMETERS && 2042 res != TEE_ERROR_CIPHERTEXT_INVALID && 2043 res != TEE_ERROR_NOT_SUPPORTED) 2044 TEE_Panic(res); 2045 2046 return res; 2047 } 2048 2049 TEE_Result __GP11_TEE_AsymmetricEncrypt(TEE_OperationHandle operation, 2050 const __GP11_TEE_Attribute *params, 2051 uint32_t paramCount, 2052 const void *srcData, uint32_t srcLen, 2053 void *destData, uint32_t *destLen) 2054 { 2055 TEE_Result res = TEE_SUCCESS; 2056 struct utee_attribute ua[paramCount]; 2057 uint64_t dl = 0; 2058 2059 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2060 TEE_Panic(0); 2061 2062 __utee_check_gp11_attr_in_annotation(params, paramCount); 2063 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2064 2065 if (!operation->key1) 2066 TEE_Panic(0); 2067 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2068 TEE_Panic(0); 2069 if (operation->info.mode != TEE_MODE_ENCRYPT) 2070 TEE_Panic(0); 2071 2072 __utee_from_gp11_attr(ua, params, paramCount); 2073 dl = *destLen; 2074 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2075 srcLen, destData, &dl); 2076 *destLen = dl; 2077 2078 if (res != TEE_SUCCESS && 2079 res != TEE_ERROR_SHORT_BUFFER && 2080 res != TEE_ERROR_BAD_PARAMETERS) 2081 TEE_Panic(res); 2082 2083 return res; 2084 } 2085 2086 TEE_Result TEE_AsymmetricDecrypt(TEE_OperationHandle operation, 2087 const TEE_Attribute *params, 2088 uint32_t paramCount, const void *srcData, 2089 size_t srcLen, void *destData, 2090 size_t *destLen) 2091 { 2092 TEE_Result res = TEE_SUCCESS; 2093 struct utee_attribute ua[paramCount]; 2094 uint64_t dl = 0; 2095 2096 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2097 TEE_Panic(0); 2098 2099 __utee_check_attr_in_annotation(params, paramCount); 2100 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2101 2102 if (!operation->key1) 2103 TEE_Panic(0); 2104 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2105 TEE_Panic(0); 2106 if (operation->info.mode != TEE_MODE_DECRYPT) 2107 TEE_Panic(0); 2108 2109 __utee_from_attr(ua, params, paramCount); 2110 dl = *destLen; 2111 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2112 srcLen, destData, &dl); 2113 *destLen = dl; 2114 2115 if (res != TEE_SUCCESS && 2116 res != TEE_ERROR_SHORT_BUFFER && 2117 res != TEE_ERROR_BAD_PARAMETERS && 2118 res != TEE_ERROR_CIPHERTEXT_INVALID && 2119 res != TEE_ERROR_NOT_SUPPORTED) 2120 TEE_Panic(res); 2121 2122 return res; 2123 } 2124 2125 TEE_Result __GP11_TEE_AsymmetricDecrypt(TEE_OperationHandle operation, 2126 const __GP11_TEE_Attribute *params, 2127 uint32_t paramCount, 2128 const void *srcData, uint32_t srcLen, 2129 void *destData, uint32_t *destLen) 2130 { 2131 TEE_Result res = TEE_SUCCESS; 2132 struct utee_attribute ua[paramCount]; 2133 uint64_t dl = 0; 2134 2135 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2136 TEE_Panic(0); 2137 2138 __utee_check_gp11_attr_in_annotation(params, paramCount); 2139 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2140 2141 if (!operation->key1) 2142 TEE_Panic(0); 2143 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2144 TEE_Panic(0); 2145 if (operation->info.mode != TEE_MODE_DECRYPT) 2146 TEE_Panic(0); 2147 2148 __utee_from_gp11_attr(ua, params, paramCount); 2149 dl = *destLen; 2150 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2151 srcLen, destData, &dl); 2152 *destLen = dl; 2153 2154 if (res != TEE_SUCCESS && 2155 res != TEE_ERROR_SHORT_BUFFER && 2156 res != TEE_ERROR_BAD_PARAMETERS) 2157 TEE_Panic(res); 2158 2159 return res; 2160 } 2161 2162 TEE_Result TEE_AsymmetricSignDigest(TEE_OperationHandle operation, 2163 const TEE_Attribute *params, 2164 uint32_t paramCount, const void *digest, 2165 size_t digestLen, void *signature, 2166 size_t *signatureLen) 2167 { 2168 TEE_Result res = TEE_SUCCESS; 2169 struct utee_attribute ua[paramCount]; 2170 uint64_t sl = 0; 2171 2172 if (operation == TEE_HANDLE_NULL || (!digest && digestLen)) 2173 TEE_Panic(0); 2174 2175 __utee_check_attr_in_annotation(params, paramCount); 2176 __utee_check_inout_annotation(signatureLen, sizeof(*signatureLen)); 2177 2178 if (!operation->key1) 2179 TEE_Panic(0); 2180 if (operation->info.operationClass != 2181 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2182 TEE_Panic(0); 2183 if (operation->info.mode != TEE_MODE_SIGN) 2184 TEE_Panic(0); 2185 2186 __utee_from_attr(ua, params, paramCount); 2187 sl = *signatureLen; 2188 res = _utee_asymm_operate(operation->state, ua, paramCount, digest, 2189 digestLen, signature, &sl); 2190 *signatureLen = sl; 2191 2192 if (res != TEE_SUCCESS && res != TEE_ERROR_SHORT_BUFFER) 2193 TEE_Panic(res); 2194 2195 return res; 2196 } 2197 2198 TEE_Result __GP11_TEE_AsymmetricSignDigest(TEE_OperationHandle operation, 2199 const __GP11_TEE_Attribute *params, 2200 uint32_t paramCount, 2201 const void *digest, 2202 uint32_t digestLen, void *signature, 2203 uint32_t *signatureLen) 2204 { 2205 TEE_Result res = TEE_SUCCESS; 2206 struct utee_attribute ua[paramCount]; 2207 uint64_t sl = 0; 2208 2209 if (operation == TEE_HANDLE_NULL || (!digest && digestLen)) 2210 TEE_Panic(0); 2211 2212 __utee_check_gp11_attr_in_annotation(params, paramCount); 2213 __utee_check_inout_annotation(signatureLen, sizeof(*signatureLen)); 2214 2215 if (!operation->key1) 2216 TEE_Panic(0); 2217 if (operation->info.operationClass != 2218 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2219 TEE_Panic(0); 2220 if (operation->info.mode != TEE_MODE_SIGN) 2221 TEE_Panic(0); 2222 2223 __utee_from_gp11_attr(ua, params, paramCount); 2224 sl = *signatureLen; 2225 res = _utee_asymm_operate(operation->state, ua, paramCount, digest, 2226 digestLen, signature, &sl); 2227 *signatureLen = sl; 2228 2229 if (res != TEE_SUCCESS && res != TEE_ERROR_SHORT_BUFFER) 2230 TEE_Panic(res); 2231 2232 return res; 2233 } 2234 2235 TEE_Result TEE_AsymmetricVerifyDigest(TEE_OperationHandle operation, 2236 const TEE_Attribute *params, 2237 uint32_t paramCount, const void *digest, 2238 size_t digestLen, 2239 const void *signature, 2240 size_t signatureLen) 2241 { 2242 TEE_Result res; 2243 struct utee_attribute ua[paramCount]; 2244 2245 if (operation == TEE_HANDLE_NULL || 2246 (digest == NULL && digestLen != 0) || 2247 (signature == NULL && signatureLen != 0)) 2248 TEE_Panic(0); 2249 2250 __utee_check_attr_in_annotation(params, paramCount); 2251 2252 if (!operation->key1) 2253 TEE_Panic(0); 2254 if (operation->info.operationClass != 2255 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2256 TEE_Panic(0); 2257 if (operation->info.mode != TEE_MODE_VERIFY) 2258 TEE_Panic(0); 2259 2260 __utee_from_attr(ua, params, paramCount); 2261 res = _utee_asymm_verify(operation->state, ua, paramCount, digest, 2262 digestLen, signature, signatureLen); 2263 2264 if (res != TEE_SUCCESS && res != TEE_ERROR_SIGNATURE_INVALID) 2265 TEE_Panic(res); 2266 2267 return res; 2268 } 2269 2270 TEE_Result __GP11_TEE_AsymmetricVerifyDigest(TEE_OperationHandle operation, 2271 const __GP11_TEE_Attribute *params, 2272 uint32_t paramCount, 2273 const void *digest, 2274 uint32_t digestLen, 2275 const void *signature, 2276 uint32_t signatureLen) 2277 { 2278 TEE_Result res = TEE_SUCCESS; 2279 struct utee_attribute ua[paramCount]; 2280 2281 if (operation == TEE_HANDLE_NULL || (!digest && digestLen) || 2282 (!signature && signatureLen)) 2283 TEE_Panic(0); 2284 2285 __utee_check_gp11_attr_in_annotation(params, paramCount); 2286 2287 if (!operation->key1) 2288 TEE_Panic(0); 2289 if (operation->info.operationClass != 2290 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2291 TEE_Panic(0); 2292 if (operation->info.mode != TEE_MODE_VERIFY) 2293 TEE_Panic(0); 2294 2295 __utee_from_gp11_attr(ua, params, paramCount); 2296 res = _utee_asymm_verify(operation->state, ua, paramCount, digest, 2297 digestLen, signature, signatureLen); 2298 2299 if (res != TEE_SUCCESS && res != TEE_ERROR_SIGNATURE_INVALID) 2300 TEE_Panic(res); 2301 2302 return res; 2303 } 2304 2305 /* Cryptographic Operations API - Key Derivation Functions */ 2306 2307 void TEE_DeriveKey(TEE_OperationHandle operation, 2308 const TEE_Attribute *params, uint32_t paramCount, 2309 TEE_ObjectHandle derivedKey) 2310 { 2311 struct utee_attribute ua[paramCount]; 2312 struct utee_object_info key_info = { }; 2313 TEE_Result res = TEE_SUCCESS; 2314 2315 if (operation == TEE_HANDLE_NULL || derivedKey == 0) 2316 TEE_Panic(0); 2317 2318 __utee_check_attr_in_annotation(params, paramCount); 2319 2320 if (TEE_ALG_GET_CLASS(operation->info.algorithm) != 2321 TEE_OPERATION_KEY_DERIVATION) 2322 TEE_Panic(0); 2323 2324 if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION) 2325 TEE_Panic(0); 2326 if (!operation->key1) 2327 TEE_Panic(0); 2328 if (operation->info.mode != TEE_MODE_DERIVE) 2329 TEE_Panic(0); 2330 if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0) 2331 TEE_Panic(0); 2332 2333 res = _utee_cryp_obj_get_info((unsigned long)derivedKey, &key_info); 2334 if (res != TEE_SUCCESS) 2335 TEE_Panic(res); 2336 2337 if (key_info.obj_type != TEE_TYPE_GENERIC_SECRET) 2338 TEE_Panic(0); 2339 if ((key_info.handle_flags & TEE_HANDLE_FLAG_INITIALIZED) != 0) 2340 TEE_Panic(0); 2341 2342 __utee_from_attr(ua, params, paramCount); 2343 res = _utee_cryp_derive_key(operation->state, ua, paramCount, 2344 (unsigned long)derivedKey); 2345 if (res != TEE_SUCCESS) 2346 TEE_Panic(res); 2347 } 2348 2349 void __GP11_TEE_DeriveKey(TEE_OperationHandle operation, 2350 const __GP11_TEE_Attribute *params, 2351 uint32_t paramCount, TEE_ObjectHandle derivedKey) 2352 { 2353 struct utee_attribute ua[paramCount]; 2354 struct utee_object_info key_info = { }; 2355 TEE_Result res = TEE_SUCCESS; 2356 2357 if (operation == TEE_HANDLE_NULL || derivedKey == 0) 2358 TEE_Panic(0); 2359 2360 __utee_check_gp11_attr_in_annotation(params, paramCount); 2361 2362 if (TEE_ALG_GET_CLASS(operation->info.algorithm) != 2363 TEE_OPERATION_KEY_DERIVATION) 2364 TEE_Panic(0); 2365 2366 if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION) 2367 TEE_Panic(0); 2368 if (!operation->key1) 2369 TEE_Panic(0); 2370 if (operation->info.mode != TEE_MODE_DERIVE) 2371 TEE_Panic(0); 2372 if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0) 2373 TEE_Panic(0); 2374 2375 res = _utee_cryp_obj_get_info((unsigned long)derivedKey, &key_info); 2376 if (res != TEE_SUCCESS) 2377 TEE_Panic(res); 2378 2379 if (key_info.obj_type != TEE_TYPE_GENERIC_SECRET) 2380 TEE_Panic(0); 2381 if ((key_info.handle_flags & TEE_HANDLE_FLAG_INITIALIZED) != 0) 2382 TEE_Panic(0); 2383 2384 __utee_from_gp11_attr(ua, params, paramCount); 2385 res = _utee_cryp_derive_key(operation->state, ua, paramCount, 2386 (unsigned long)derivedKey); 2387 if (res != TEE_SUCCESS) 2388 TEE_Panic(res); 2389 } 2390 2391 /* Cryptographic Operations API - Random Number Generation Functions */ 2392 2393 void TEE_GenerateRandom(void *randomBuffer, size_t randomBufferLen) 2394 { 2395 TEE_Result res; 2396 2397 res = _utee_cryp_random_number_generate(randomBuffer, randomBufferLen); 2398 if (res != TEE_SUCCESS) 2399 TEE_Panic(res); 2400 } 2401 2402 void __GP11_TEE_GenerateRandom(void *randomBuffer, uint32_t randomBufferLen) 2403 { 2404 TEE_GenerateRandom(randomBuffer, randomBufferLen); 2405 } 2406 2407 int rand(void) 2408 { 2409 int rc; 2410 2411 TEE_GenerateRandom(&rc, sizeof(rc)); 2412 2413 /* 2414 * RAND_MAX is the larges int, INT_MAX which is all bits but the 2415 * highest bit set. 2416 */ 2417 return rc & RAND_MAX; 2418 } 2419 2420 TEE_Result TEE_IsAlgorithmSupported(uint32_t alg, uint32_t element) 2421 { 2422 if (IS_ENABLED(CFG_CRYPTO_AES)) { 2423 if (IS_ENABLED(CFG_CRYPTO_ECB)) { 2424 if (alg == TEE_ALG_AES_ECB_NOPAD) 2425 goto check_element_none; 2426 } 2427 if (IS_ENABLED(CFG_CRYPTO_CBC)) { 2428 if (alg == TEE_ALG_AES_CBC_NOPAD) 2429 goto check_element_none; 2430 } 2431 if (IS_ENABLED(CFG_CRYPTO_CTR)) { 2432 if (alg == TEE_ALG_AES_CTR) 2433 goto check_element_none; 2434 } 2435 if (IS_ENABLED(CFG_CRYPTO_CTS)) { 2436 if (alg == TEE_ALG_AES_CTS) 2437 goto check_element_none; 2438 } 2439 if (IS_ENABLED(CFG_CRYPTO_XTS)) { 2440 if (alg == TEE_ALG_AES_XTS) 2441 goto check_element_none; 2442 } 2443 if (IS_ENABLED(CFG_CRYPTO_CBC_MAC)) { 2444 if (alg == TEE_ALG_AES_CBC_MAC_NOPAD || 2445 alg == TEE_ALG_AES_CBC_MAC_PKCS5) 2446 goto check_element_none; 2447 } 2448 if (IS_ENABLED(CFG_CRYPTO_CMAC)) { 2449 if (alg == TEE_ALG_AES_CMAC) 2450 goto check_element_none; 2451 } 2452 if (IS_ENABLED(CFG_CRYPTO_CCM)) { 2453 if (alg == TEE_ALG_AES_CCM) 2454 goto check_element_none; 2455 } 2456 if (IS_ENABLED(CFG_CRYPTO_GCM)) { 2457 if (alg == TEE_ALG_AES_GCM) 2458 goto check_element_none; 2459 } 2460 } 2461 if (IS_ENABLED(CFG_CRYPTO_DES)) { 2462 if (IS_ENABLED(CFG_CRYPTO_ECB)) { 2463 if (alg == TEE_ALG_DES_ECB_NOPAD || 2464 alg == TEE_ALG_DES3_ECB_NOPAD) 2465 goto check_element_none; 2466 } 2467 if (IS_ENABLED(CFG_CRYPTO_CBC)) { 2468 if (alg == TEE_ALG_DES_CBC_NOPAD || 2469 alg == TEE_ALG_DES3_CBC_NOPAD) 2470 goto check_element_none; 2471 } 2472 if (IS_ENABLED(CFG_CRYPTO_CBC_MAC)) { 2473 if (alg == TEE_ALG_DES_CBC_MAC_NOPAD || 2474 alg == TEE_ALG_DES_CBC_MAC_PKCS5 || 2475 alg == TEE_ALG_DES3_CBC_MAC_NOPAD || 2476 alg == TEE_ALG_DES3_CBC_MAC_PKCS5) 2477 goto check_element_none; 2478 } 2479 } 2480 if (IS_ENABLED(CFG_CRYPTO_MD5)) { 2481 if (alg == TEE_ALG_MD5) 2482 goto check_element_none; 2483 } 2484 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2485 if (alg == TEE_ALG_SHA1) 2486 goto check_element_none; 2487 } 2488 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2489 if (alg == TEE_ALG_SHA224) 2490 goto check_element_none; 2491 } 2492 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2493 if (alg == TEE_ALG_SHA256) 2494 goto check_element_none; 2495 } 2496 if (IS_ENABLED(CFG_CRYPTO_SHA384)) { 2497 if (alg == TEE_ALG_SHA384) 2498 goto check_element_none; 2499 } 2500 if (IS_ENABLED(CFG_CRYPTO_SHA512)) { 2501 if (alg == TEE_ALG_SHA512) 2502 goto check_element_none; 2503 } 2504 if (IS_ENABLED(CFG_CRYPTO_SHA3_224)) { 2505 if (alg == TEE_ALG_SHA3_224) 2506 goto check_element_none; 2507 } 2508 if (IS_ENABLED(CFG_CRYPTO_SHA3_256)) { 2509 if (alg == TEE_ALG_SHA3_256) 2510 goto check_element_none; 2511 } 2512 if (IS_ENABLED(CFG_CRYPTO_SHA3_384)) { 2513 if (alg == TEE_ALG_SHA3_384) 2514 goto check_element_none; 2515 } 2516 if (IS_ENABLED(CFG_CRYPTO_SHA3_512)) { 2517 if (alg == TEE_ALG_SHA3_512) 2518 goto check_element_none; 2519 } 2520 if (IS_ENABLED(CFG_CRYPTO_MD5) && IS_ENABLED(CFG_CRYPTO_SHA1)) { 2521 if (alg == TEE_ALG_MD5SHA1) 2522 goto check_element_none; 2523 } 2524 if (IS_ENABLED(CFG_CRYPTO_HMAC)) { 2525 if (IS_ENABLED(CFG_CRYPTO_MD5)) { 2526 if (alg == TEE_ALG_HMAC_MD5) 2527 goto check_element_none; 2528 } 2529 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2530 if (alg == TEE_ALG_HMAC_SHA1) 2531 goto check_element_none; 2532 } 2533 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2534 if (alg == TEE_ALG_HMAC_SHA224) 2535 goto check_element_none; 2536 } 2537 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2538 if (alg == TEE_ALG_HMAC_SHA256) 2539 goto check_element_none; 2540 } 2541 if (IS_ENABLED(CFG_CRYPTO_SHA384)) { 2542 if (alg == TEE_ALG_HMAC_SHA384) 2543 goto check_element_none; 2544 } 2545 if (IS_ENABLED(CFG_CRYPTO_SHA512)) { 2546 if (alg == TEE_ALG_HMAC_SHA512) 2547 goto check_element_none; 2548 } 2549 if (IS_ENABLED(CFG_CRYPTO_SHA3_224)) { 2550 if (alg == TEE_ALG_HMAC_SHA3_224) 2551 goto check_element_none; 2552 } 2553 if (IS_ENABLED(CFG_CRYPTO_SHA3_256)) { 2554 if (alg == TEE_ALG_HMAC_SHA3_256) 2555 goto check_element_none; 2556 } 2557 if (IS_ENABLED(CFG_CRYPTO_SHA3_384)) { 2558 if (alg == TEE_ALG_HMAC_SHA3_384) 2559 goto check_element_none; 2560 } 2561 if (IS_ENABLED(CFG_CRYPTO_SHA3_512)) { 2562 if (alg == TEE_ALG_HMAC_SHA3_512) 2563 goto check_element_none; 2564 } 2565 if (IS_ENABLED(CFG_CRYPTO_SM3)) { 2566 if (alg == TEE_ALG_HMAC_SM3) 2567 goto check_element_none; 2568 } 2569 } 2570 if (IS_ENABLED(CFG_CRYPTO_SM3)) { 2571 if (alg == TEE_ALG_SM3) 2572 goto check_element_none; 2573 } 2574 if (IS_ENABLED(CFG_CRYPTO_SM4)) { 2575 if (IS_ENABLED(CFG_CRYPTO_ECB)) { 2576 if (alg == TEE_ALG_SM4_ECB_NOPAD) 2577 goto check_element_none; 2578 } 2579 if (IS_ENABLED(CFG_CRYPTO_CBC)) { 2580 if (alg == TEE_ALG_SM4_CBC_NOPAD) 2581 goto check_element_none; 2582 } 2583 if (IS_ENABLED(CFG_CRYPTO_CTR)) { 2584 if (alg == TEE_ALG_SM4_CTR) 2585 goto check_element_none; 2586 } 2587 if (IS_ENABLED(CFG_CRYPTO_XTS)) { 2588 if (alg == TEE_ALG_SM4_XTS) 2589 goto check_element_none; 2590 } 2591 } 2592 if (IS_ENABLED(CFG_CRYPTO_RSA)) { 2593 if (IS_ENABLED(CFG_CRYPTO_MD5)) { 2594 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_MD5 || 2595 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_MD5 || 2596 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_MD5) 2597 goto check_element_none; 2598 } 2599 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2600 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA1 || 2601 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA1 || 2602 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA1) 2603 goto check_element_none; 2604 } 2605 if (IS_ENABLED(CFG_CRYPTO_MD5) && IS_ENABLED(CFG_CRYPTO_SHA1)) { 2606 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_MD5SHA1) 2607 goto check_element_none; 2608 } 2609 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2610 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA224 || 2611 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA224 || 2612 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA224) 2613 goto check_element_none; 2614 } 2615 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2616 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA256 || 2617 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA256 || 2618 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA256) 2619 goto check_element_none; 2620 } 2621 if (IS_ENABLED(CFG_CRYPTO_SHA384)) { 2622 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA384 || 2623 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA384 || 2624 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA384) 2625 goto check_element_none; 2626 } 2627 if (IS_ENABLED(CFG_CRYPTO_SHA512)) { 2628 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA512 || 2629 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA512 || 2630 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA512) 2631 goto check_element_none; 2632 } 2633 if (IS_ENABLED(CFG_CRYPTO_RSASSA_NA1)) { 2634 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5) 2635 goto check_element_none; 2636 } 2637 if (alg == TEE_ALG_RSA_NOPAD) 2638 goto check_element_none; 2639 } 2640 if (IS_ENABLED(CFG_CRYPTO_DSA)) { 2641 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2642 if (alg == TEE_ALG_DSA_SHA1) 2643 goto check_element_none; 2644 } 2645 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2646 if (alg == TEE_ALG_DSA_SHA224) 2647 goto check_element_none; 2648 } 2649 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2650 if (alg == TEE_ALG_DSA_SHA256) 2651 goto check_element_none; 2652 } 2653 } 2654 if (IS_ENABLED(CFG_CRYPTO_DH)) { 2655 if (alg == TEE_ALG_DH_DERIVE_SHARED_SECRET) 2656 goto check_element_none; 2657 } 2658 if (IS_ENABLED(CFG_CRYPTO_ECC)) { 2659 if ((alg == __OPTEE_ALG_ECDH_P192 || 2660 alg == __OPTEE_ALG_ECDSA_P192 || 2661 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2662 alg == TEE_ALG_ECDSA_SHA1) && 2663 element == TEE_ECC_CURVE_NIST_P192) 2664 return TEE_SUCCESS; 2665 if ((alg == __OPTEE_ALG_ECDH_P224 || 2666 alg == __OPTEE_ALG_ECDSA_P224 || 2667 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2668 alg == TEE_ALG_ECDSA_SHA224) && 2669 element == TEE_ECC_CURVE_NIST_P224) 2670 return TEE_SUCCESS; 2671 if ((alg == __OPTEE_ALG_ECDH_P256 || 2672 alg == __OPTEE_ALG_ECDSA_P256 || 2673 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2674 alg == TEE_ALG_ECDSA_SHA256) && 2675 element == TEE_ECC_CURVE_NIST_P256) 2676 return TEE_SUCCESS; 2677 if ((alg == __OPTEE_ALG_ECDH_P384 || 2678 alg == __OPTEE_ALG_ECDSA_P384 || 2679 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2680 alg == TEE_ALG_ECDSA_SHA384) && 2681 element == TEE_ECC_CURVE_NIST_P384) 2682 return TEE_SUCCESS; 2683 if ((alg == __OPTEE_ALG_ECDH_P521 || 2684 alg == __OPTEE_ALG_ECDSA_P521 || 2685 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2686 alg == TEE_ALG_ECDSA_SHA512) && 2687 element == TEE_ECC_CURVE_NIST_P521) 2688 return TEE_SUCCESS; 2689 } 2690 if (IS_ENABLED(CFG_CRYPTO_SM2_DSA)) { 2691 if (alg == TEE_ALG_SM2_DSA_SM3 && element == TEE_ECC_CURVE_SM2) 2692 return TEE_SUCCESS; 2693 } 2694 if (IS_ENABLED(CFG_CRYPTO_SM2_KEP)) { 2695 if (alg == TEE_ALG_SM2_KEP && element == TEE_ECC_CURVE_SM2) 2696 return TEE_SUCCESS; 2697 } 2698 if (IS_ENABLED(CFG_CRYPTO_SM2_PKE)) { 2699 if (alg == TEE_ALG_SM2_PKE && element == TEE_ECC_CURVE_SM2) 2700 return TEE_SUCCESS; 2701 } 2702 if (IS_ENABLED(CFG_CRYPTO_X25519)) { 2703 if (alg == TEE_ALG_X25519 && element == TEE_ECC_CURVE_25519) 2704 return TEE_SUCCESS; 2705 } 2706 if (IS_ENABLED(CFG_CRYPTO_ED25519)) { 2707 if (alg == TEE_ALG_ED25519 && element == TEE_ECC_CURVE_25519) 2708 return TEE_SUCCESS; 2709 } 2710 2711 return TEE_ERROR_NOT_SUPPORTED; 2712 check_element_none: 2713 if (element == TEE_CRYPTO_ELEMENT_NONE) 2714 return TEE_SUCCESS; 2715 return TEE_ERROR_NOT_SUPPORTED; 2716 } 2717