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 tmp_dlen = dlen; 1122 res = update_func(op->state, op->buffer, l, dst, &tmp_dlen); 1123 if (res != TEE_SUCCESS) 1124 TEE_Panic(res); 1125 dst += tmp_dlen; 1126 dlen -= tmp_dlen; 1127 acc_dlen += tmp_dlen; 1128 op->buffer_offs -= l; 1129 if (op->buffer_offs > 0) { 1130 /* 1131 * Slen is small enough to be contained in rest buffer. 1132 */ 1133 memcpy(op->buffer, op->buffer + l, buffer_size - l); 1134 memcpy(op->buffer + op->buffer_offs, src, slen); 1135 op->buffer_offs += slen; 1136 goto out; /* Nothing left to do */ 1137 } 1138 } 1139 1140 if (slen >= (buffer_size + buffer_left)) { 1141 /* Buffer is empty, feed as much as possible from src */ 1142 if (op->info.algorithm == TEE_ALG_AES_CTS) 1143 l = ROUNDUP(slen - buffer_size, op->block_size); 1144 else 1145 l = ROUNDUP(slen - buffer_size + 1, op->block_size); 1146 1147 tmp_dlen = dlen; 1148 res = update_func(op->state, src, l, dst, &tmp_dlen); 1149 if (res != TEE_SUCCESS) 1150 TEE_Panic(res); 1151 src += l; 1152 slen -= l; 1153 dst += tmp_dlen; 1154 dlen -= tmp_dlen; 1155 acc_dlen += tmp_dlen; 1156 } 1157 1158 /* Slen is small enough to be contained in buffer. */ 1159 memcpy(op->buffer + op->buffer_offs, src, slen); 1160 op->buffer_offs += slen; 1161 1162 out: 1163 *dest_len = acc_dlen; 1164 return TEE_SUCCESS; 1165 } 1166 1167 TEE_Result TEE_CipherUpdate(TEE_OperationHandle operation, const void *srcData, 1168 size_t srcLen, void *destData, size_t *destLen) 1169 { 1170 TEE_Result res; 1171 size_t req_dlen; 1172 uint64_t dl; 1173 1174 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1175 res = TEE_ERROR_BAD_PARAMETERS; 1176 goto out; 1177 } 1178 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1179 1180 if (operation->info.operationClass != TEE_OPERATION_CIPHER) { 1181 res = TEE_ERROR_BAD_PARAMETERS; 1182 goto out; 1183 } 1184 1185 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1186 res = TEE_ERROR_BAD_PARAMETERS; 1187 goto out; 1188 } 1189 1190 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1191 res = TEE_ERROR_BAD_PARAMETERS; 1192 goto out; 1193 } 1194 1195 if (!srcData && !srcLen) { 1196 *destLen = 0; 1197 res = TEE_SUCCESS; 1198 goto out; 1199 } 1200 1201 /* Calculate required dlen */ 1202 if (operation->block_size > 1) { 1203 req_dlen = ((operation->buffer_offs + srcLen) / 1204 operation->block_size) * operation->block_size; 1205 } else { 1206 req_dlen = srcLen; 1207 } 1208 if (operation->buffer_two_blocks) { 1209 if (req_dlen > operation->block_size * 2) 1210 req_dlen -= operation->block_size * 2; 1211 else 1212 req_dlen = 0; 1213 } 1214 /* 1215 * Check that required destLen is big enough before starting to feed 1216 * data to the algorithm. Errors during feeding of data are fatal as we 1217 * can't restore sync with this API. 1218 */ 1219 if (*destLen < req_dlen) { 1220 *destLen = req_dlen; 1221 res = TEE_ERROR_SHORT_BUFFER; 1222 goto out; 1223 } 1224 1225 dl = *destLen; 1226 if (operation->block_size > 1) { 1227 res = tee_buffer_update(operation, _utee_cipher_update, srcData, 1228 srcLen, destData, &dl); 1229 } else { 1230 if (srcLen > 0) { 1231 res = _utee_cipher_update(operation->state, srcData, 1232 srcLen, destData, &dl); 1233 } else { 1234 res = TEE_SUCCESS; 1235 dl = 0; 1236 } 1237 } 1238 *destLen = dl; 1239 1240 out: 1241 if (res != TEE_SUCCESS && 1242 res != TEE_ERROR_SHORT_BUFFER) 1243 TEE_Panic(res); 1244 1245 return res; 1246 } 1247 1248 TEE_Result __GP11_TEE_CipherUpdate(TEE_OperationHandle operation, 1249 const void *srcData, uint32_t srcLen, 1250 void *destData, uint32_t *destLen) 1251 { 1252 TEE_Result res = TEE_SUCCESS; 1253 size_t dl = 0; 1254 1255 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1256 dl = *destLen; 1257 res = TEE_CipherUpdate(operation, srcData, srcLen, destData, &dl); 1258 *destLen = dl; 1259 return res; 1260 } 1261 1262 TEE_Result TEE_CipherDoFinal(TEE_OperationHandle operation, 1263 const void *srcData, size_t srcLen, 1264 void *destData, size_t *destLen) 1265 { 1266 TEE_Result res = TEE_SUCCESS; 1267 uint8_t *dst = destData; 1268 size_t acc_dlen = 0; 1269 uint64_t tmp_dlen = 0; 1270 size_t req_dlen = 0; 1271 1272 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1273 res = TEE_ERROR_BAD_PARAMETERS; 1274 goto out; 1275 } 1276 if (destLen) 1277 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1278 1279 if (operation->info.operationClass != TEE_OPERATION_CIPHER) { 1280 res = TEE_ERROR_BAD_PARAMETERS; 1281 goto out; 1282 } 1283 1284 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1285 res = TEE_ERROR_BAD_PARAMETERS; 1286 goto out; 1287 } 1288 1289 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1290 res = TEE_ERROR_BAD_PARAMETERS; 1291 goto out; 1292 } 1293 1294 /* 1295 * Check that the final block doesn't require padding for those 1296 * algorithms that requires client to supply padding. 1297 */ 1298 if (operation->info.algorithm == TEE_ALG_AES_ECB_NOPAD || 1299 operation->info.algorithm == TEE_ALG_AES_CBC_NOPAD || 1300 operation->info.algorithm == TEE_ALG_DES_ECB_NOPAD || 1301 operation->info.algorithm == TEE_ALG_DES_CBC_NOPAD || 1302 operation->info.algorithm == TEE_ALG_DES3_ECB_NOPAD || 1303 operation->info.algorithm == TEE_ALG_DES3_CBC_NOPAD || 1304 operation->info.algorithm == TEE_ALG_SM4_ECB_NOPAD || 1305 operation->info.algorithm == TEE_ALG_SM4_CBC_NOPAD) { 1306 if (((operation->buffer_offs + srcLen) % operation->block_size) 1307 != 0) { 1308 res = TEE_ERROR_BAD_PARAMETERS; 1309 goto out; 1310 } 1311 } 1312 1313 /* 1314 * Check that required destLen is big enough before starting to feed 1315 * data to the algorithm. Errors during feeding of data are fatal as we 1316 * can't restore sync with this API. 1317 */ 1318 if (operation->block_size > 1) { 1319 req_dlen = operation->buffer_offs + srcLen; 1320 } else { 1321 req_dlen = srcLen; 1322 } 1323 if (destLen) 1324 tmp_dlen = *destLen; 1325 if (tmp_dlen < req_dlen) { 1326 if (destLen) 1327 *destLen = req_dlen; 1328 res = TEE_ERROR_SHORT_BUFFER; 1329 goto out; 1330 } 1331 1332 if (operation->block_size > 1) { 1333 if (srcLen) { 1334 res = tee_buffer_update(operation, _utee_cipher_update, 1335 srcData, srcLen, dst, 1336 &tmp_dlen); 1337 if (res != TEE_SUCCESS) 1338 goto out; 1339 1340 dst += tmp_dlen; 1341 acc_dlen += tmp_dlen; 1342 1343 tmp_dlen = *destLen - acc_dlen; 1344 } 1345 res = _utee_cipher_final(operation->state, operation->buffer, 1346 operation->buffer_offs, dst, 1347 &tmp_dlen); 1348 } else { 1349 res = _utee_cipher_final(operation->state, srcData, srcLen, dst, 1350 &tmp_dlen); 1351 } 1352 if (res != TEE_SUCCESS) 1353 goto out; 1354 1355 acc_dlen += tmp_dlen; 1356 if (destLen) 1357 *destLen = acc_dlen; 1358 1359 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1360 1361 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1362 1363 out: 1364 if (res != TEE_SUCCESS && 1365 res != TEE_ERROR_SHORT_BUFFER) 1366 TEE_Panic(res); 1367 1368 return res; 1369 } 1370 1371 TEE_Result __GP11_TEE_CipherDoFinal(TEE_OperationHandle operation, 1372 const void *srcData, uint32_t srcLen, 1373 void *destData, uint32_t *destLen) 1374 { 1375 TEE_Result res = TEE_SUCCESS; 1376 size_t dl = 0; 1377 1378 if (destLen) { 1379 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1380 dl = *destLen; 1381 } 1382 res = TEE_CipherDoFinal(operation, srcData, srcLen, destData, &dl); 1383 if (destLen) 1384 *destLen = dl; 1385 return res; 1386 } 1387 1388 /* Cryptographic Operations API - MAC Functions */ 1389 1390 void TEE_MACInit(TEE_OperationHandle operation, const void *IV, size_t IVLen) 1391 { 1392 if (operation == TEE_HANDLE_NULL) 1393 TEE_Panic(0); 1394 1395 if (operation->info.operationClass != TEE_OPERATION_MAC) 1396 TEE_Panic(0); 1397 1398 if (!(operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) || 1399 !(operation->key1)) 1400 TEE_Panic(0); 1401 1402 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 1403 TEE_ResetOperation(operation); 1404 1405 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1406 1407 init_hash_operation(operation, IV, IVLen); 1408 } 1409 1410 void __GP11_TEE_MACInit(TEE_OperationHandle operation, const void *IV, 1411 uint32_t IVLen) 1412 { 1413 return TEE_MACInit(operation, IV, IVLen); 1414 } 1415 1416 void TEE_MACUpdate(TEE_OperationHandle operation, const void *chunk, 1417 size_t chunkSize) 1418 { 1419 TEE_Result res; 1420 1421 if (operation == TEE_HANDLE_NULL || (chunk == NULL && chunkSize != 0)) 1422 TEE_Panic(0); 1423 1424 if (operation->info.operationClass != TEE_OPERATION_MAC) 1425 TEE_Panic(0); 1426 1427 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) 1428 TEE_Panic(0); 1429 1430 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) 1431 TEE_Panic(0); 1432 1433 res = _utee_hash_update(operation->state, chunk, chunkSize); 1434 if (res != TEE_SUCCESS) 1435 TEE_Panic(res); 1436 } 1437 1438 void __GP11_TEE_MACUpdate(TEE_OperationHandle operation, const void *chunk, 1439 uint32_t chunkSize) 1440 { 1441 return TEE_MACUpdate(operation, chunk, chunkSize); 1442 } 1443 1444 TEE_Result TEE_MACComputeFinal(TEE_OperationHandle operation, 1445 const void *message, size_t messageLen, 1446 void *mac, size_t *macLen) 1447 { 1448 TEE_Result res; 1449 uint64_t ml; 1450 1451 if (operation == TEE_HANDLE_NULL || (!message && messageLen)) { 1452 res = TEE_ERROR_BAD_PARAMETERS; 1453 goto out; 1454 } 1455 __utee_check_inout_annotation(macLen, sizeof(*macLen)); 1456 1457 if (operation->info.operationClass != TEE_OPERATION_MAC) { 1458 res = TEE_ERROR_BAD_PARAMETERS; 1459 goto out; 1460 } 1461 1462 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1463 res = TEE_ERROR_BAD_PARAMETERS; 1464 goto out; 1465 } 1466 1467 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1468 res = TEE_ERROR_BAD_PARAMETERS; 1469 goto out; 1470 } 1471 1472 ml = *macLen; 1473 res = _utee_hash_final(operation->state, message, messageLen, mac, &ml); 1474 *macLen = ml; 1475 if (res != TEE_SUCCESS) 1476 goto out; 1477 1478 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1479 1480 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1481 1482 out: 1483 if (res != TEE_SUCCESS && 1484 res != TEE_ERROR_SHORT_BUFFER) 1485 TEE_Panic(res); 1486 1487 return res; 1488 } 1489 1490 TEE_Result __GP11_TEE_MACComputeFinal(TEE_OperationHandle operation, 1491 const void *message, uint32_t messageLen, 1492 void *mac, uint32_t *macLen) 1493 { 1494 TEE_Result res = TEE_SUCCESS; 1495 size_t ml = 0; 1496 1497 __utee_check_inout_annotation(macLen, sizeof(*macLen)); 1498 ml = *macLen; 1499 res = TEE_MACComputeFinal(operation, message, messageLen, mac, &ml); 1500 *macLen = ml; 1501 return res; 1502 } 1503 1504 TEE_Result TEE_MACCompareFinal(TEE_OperationHandle operation, 1505 const void *message, size_t messageLen, 1506 const void *mac, size_t macLen) 1507 { 1508 TEE_Result res; 1509 uint8_t computed_mac[TEE_MAX_HASH_SIZE] = { 0 }; 1510 size_t computed_mac_size = TEE_MAX_HASH_SIZE; 1511 1512 if (operation->info.operationClass != TEE_OPERATION_MAC) { 1513 res = TEE_ERROR_BAD_PARAMETERS; 1514 goto out; 1515 } 1516 1517 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1518 res = TEE_ERROR_BAD_PARAMETERS; 1519 goto out; 1520 } 1521 1522 if (operation->operationState != TEE_OPERATION_STATE_ACTIVE) { 1523 res = TEE_ERROR_BAD_PARAMETERS; 1524 goto out; 1525 } 1526 1527 res = TEE_MACComputeFinal(operation, message, messageLen, computed_mac, 1528 &computed_mac_size); 1529 if (res != TEE_SUCCESS) 1530 goto out; 1531 1532 if (computed_mac_size != macLen) { 1533 res = TEE_ERROR_MAC_INVALID; 1534 goto out; 1535 } 1536 1537 if (consttime_memcmp(mac, computed_mac, computed_mac_size) != 0) { 1538 res = TEE_ERROR_MAC_INVALID; 1539 goto out; 1540 } 1541 1542 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1543 1544 out: 1545 if (res != TEE_SUCCESS && 1546 res != TEE_ERROR_MAC_INVALID) 1547 TEE_Panic(res); 1548 1549 return res; 1550 } 1551 1552 TEE_Result __GP11_TEE_MACCompareFinal(TEE_OperationHandle operation, 1553 const void *message, uint32_t messageLen, 1554 const void *mac, uint32_t macLen) 1555 { 1556 return TEE_MACCompareFinal(operation, message, messageLen, mac, macLen); 1557 } 1558 1559 /* Cryptographic Operations API - Authenticated Encryption Functions */ 1560 1561 TEE_Result TEE_AEInit(TEE_OperationHandle operation, const void *nonce, 1562 size_t nonceLen, uint32_t tagLen, size_t AADLen, 1563 size_t payloadLen) 1564 { 1565 TEE_Result res; 1566 1567 if (operation == TEE_HANDLE_NULL || nonce == NULL) { 1568 res = TEE_ERROR_BAD_PARAMETERS; 1569 goto out; 1570 } 1571 1572 if (operation->info.operationClass != TEE_OPERATION_AE) { 1573 res = TEE_ERROR_BAD_PARAMETERS; 1574 goto out; 1575 } 1576 1577 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) { 1578 res = TEE_ERROR_BAD_PARAMETERS; 1579 goto out; 1580 } 1581 1582 /* 1583 * AES-CCM tag len is specified by AES-CCM spec and handled in TEE Core 1584 * in the implementation. But AES-GCM spec doesn't specify the tag len 1585 * according to the same principle so we have to check here instead to 1586 * be GP compliant. 1587 */ 1588 if (operation->info.algorithm == TEE_ALG_AES_GCM) { 1589 /* 1590 * From GP spec: For AES-GCM, can be 128, 120, 112, 104, or 96 1591 */ 1592 if (tagLen < 96 || tagLen > 128 || (tagLen % 8 != 0)) { 1593 res = TEE_ERROR_NOT_SUPPORTED; 1594 goto out; 1595 } 1596 } 1597 1598 res = _utee_authenc_init(operation->state, nonce, nonceLen, tagLen / 8, 1599 AADLen, payloadLen); 1600 if (res != TEE_SUCCESS) 1601 goto out; 1602 1603 operation->info.digestLength = tagLen / 8; 1604 operation->buffer_offs = 0; 1605 operation->info.handleState |= TEE_HANDLE_FLAG_INITIALIZED; 1606 1607 out: 1608 if (res != TEE_SUCCESS && 1609 res != TEE_ERROR_NOT_SUPPORTED) 1610 TEE_Panic(res); 1611 1612 return res; 1613 } 1614 1615 TEE_Result __GP11_TEE_AEInit(TEE_OperationHandle operation, const void *nonce, 1616 uint32_t nonceLen, uint32_t tagLen, 1617 uint32_t AADLen, uint32_t payloadLen) 1618 { 1619 return TEE_AEInit(operation, nonce, nonceLen, tagLen, AADLen, 1620 payloadLen); 1621 } 1622 1623 void TEE_AEUpdateAAD(TEE_OperationHandle operation, const void *AADdata, 1624 size_t AADdataLen) 1625 { 1626 TEE_Result res = TEE_SUCCESS; 1627 1628 if (operation == TEE_HANDLE_NULL || (!AADdata && AADdataLen)) 1629 TEE_Panic(0); 1630 1631 if (operation->info.operationClass != TEE_OPERATION_AE) 1632 TEE_Panic(0); 1633 1634 if (operation->operationState != TEE_OPERATION_STATE_INITIAL) 1635 TEE_Panic(0); 1636 1637 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) 1638 TEE_Panic(0); 1639 1640 res = _utee_authenc_update_aad(operation->state, AADdata, AADdataLen); 1641 if (res != TEE_SUCCESS) 1642 TEE_Panic(res); 1643 } 1644 1645 void __GP11_TEE_AEUpdateAAD(TEE_OperationHandle operation, const void *AADdata, 1646 uint32_t AADdataLen) 1647 { 1648 TEE_Result res = TEE_SUCCESS; 1649 1650 if (operation == TEE_HANDLE_NULL || 1651 (AADdata == NULL && AADdataLen != 0)) 1652 TEE_Panic(0); 1653 1654 if (operation->info.operationClass != TEE_OPERATION_AE) 1655 TEE_Panic(0); 1656 1657 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) 1658 TEE_Panic(0); 1659 1660 res = _utee_authenc_update_aad(operation->state, AADdata, AADdataLen); 1661 1662 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1663 1664 if (res != TEE_SUCCESS) 1665 TEE_Panic(res); 1666 } 1667 1668 static TEE_Result ae_update_helper(TEE_OperationHandle operation, 1669 const void *src, size_t slen, void *dst, 1670 size_t *dlen) 1671 { 1672 TEE_Result res = TEE_SUCCESS; 1673 size_t req_dlen = 0; 1674 uint64_t dl = 0; 1675 1676 if (!src && !slen) { 1677 *dlen = 0; 1678 return TEE_SUCCESS; 1679 } 1680 1681 /* 1682 * Check that required destLen is big enough before starting to feed 1683 * data to the algorithm. Errors during feeding of data are fatal as we 1684 * can't restore sync with this API. 1685 */ 1686 if (operation->block_size > 1) { 1687 req_dlen = ROUNDDOWN(operation->buffer_offs + slen, 1688 operation->block_size); 1689 } else { 1690 req_dlen = slen; 1691 } 1692 1693 dl = *dlen; 1694 if (dl < req_dlen) { 1695 *dlen = req_dlen; 1696 return TEE_ERROR_SHORT_BUFFER; 1697 } 1698 1699 if (operation->block_size > 1) { 1700 res = tee_buffer_update(operation, _utee_authenc_update_payload, 1701 src, slen, dst, &dl); 1702 } else { 1703 if (slen > 0) { 1704 res = _utee_authenc_update_payload(operation->state, 1705 src, slen, dst, &dl); 1706 } else { 1707 dl = 0; 1708 res = TEE_SUCCESS; 1709 } 1710 } 1711 1712 if (!res) 1713 *dlen = dl; 1714 1715 return res; 1716 } 1717 1718 TEE_Result TEE_AEUpdate(TEE_OperationHandle operation, const void *srcData, 1719 size_t srcLen, void *destData, size_t *destLen) 1720 { 1721 TEE_Result res = TEE_SUCCESS; 1722 1723 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1724 res = TEE_ERROR_BAD_PARAMETERS; 1725 goto out; 1726 } 1727 __utee_check_outbuf_annotation(destData, destLen); 1728 1729 if (operation->info.operationClass != TEE_OPERATION_AE) { 1730 res = TEE_ERROR_BAD_PARAMETERS; 1731 goto out; 1732 } 1733 1734 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1735 res = TEE_ERROR_BAD_PARAMETERS; 1736 goto out; 1737 } 1738 1739 res = ae_update_helper(operation, srcData, srcLen, destData, destLen); 1740 if (res != TEE_ERROR_SHORT_BUFFER && srcLen) 1741 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1742 1743 out: 1744 if (res != TEE_SUCCESS && 1745 res != TEE_ERROR_SHORT_BUFFER) 1746 TEE_Panic(res); 1747 1748 return res; 1749 } 1750 1751 TEE_Result __GP11_TEE_AEUpdate(TEE_OperationHandle operation, 1752 const void *srcData, uint32_t srcLen, 1753 void *destData, uint32_t *destLen) 1754 { 1755 TEE_Result res = TEE_SUCCESS; 1756 size_t dl = 0; 1757 1758 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1759 res = TEE_ERROR_BAD_PARAMETERS; 1760 goto out; 1761 } 1762 __utee_check_gp11_outbuf_annotation(destData, destLen); 1763 1764 if (operation->info.operationClass != TEE_OPERATION_AE) { 1765 res = TEE_ERROR_BAD_PARAMETERS; 1766 goto out; 1767 } 1768 1769 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1770 res = TEE_ERROR_BAD_PARAMETERS; 1771 goto out; 1772 } 1773 1774 dl = *destLen; 1775 res = ae_update_helper(operation, srcData, srcLen, destData, &dl); 1776 *destLen = dl; 1777 1778 if (res != TEE_SUCCESS) 1779 goto out; 1780 1781 operation->operationState = TEE_OPERATION_STATE_ACTIVE; 1782 1783 out: 1784 if (res != TEE_SUCCESS && 1785 res != TEE_ERROR_SHORT_BUFFER) 1786 TEE_Panic(res); 1787 1788 return res; 1789 } 1790 1791 TEE_Result TEE_AEEncryptFinal(TEE_OperationHandle operation, 1792 const void *srcData, size_t srcLen, 1793 void *destData, size_t *destLen, void *tag, 1794 size_t *tagLen) 1795 { 1796 TEE_Result res = TEE_SUCCESS; 1797 uint8_t *dst = destData; 1798 size_t acc_dlen = 0; 1799 uint64_t tmp_dlen = 0; 1800 size_t req_dlen = 0; 1801 uint64_t tl = 0; 1802 1803 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1804 res = TEE_ERROR_BAD_PARAMETERS; 1805 goto out; 1806 } 1807 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1808 __utee_check_inout_annotation(tagLen, sizeof(*tagLen)); 1809 1810 if (operation->info.operationClass != TEE_OPERATION_AE) { 1811 res = TEE_ERROR_BAD_PARAMETERS; 1812 goto out; 1813 } 1814 1815 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1816 res = TEE_ERROR_BAD_PARAMETERS; 1817 goto out; 1818 } 1819 1820 /* 1821 * Check that required destLen is big enough before starting to feed 1822 * data to the algorithm. Errors during feeding of data are fatal as we 1823 * can't restore sync with this API. 1824 * 1825 * Need to check this before update_payload since sync would be lost if 1826 * we return short buffer after that. 1827 */ 1828 res = TEE_ERROR_GENERIC; 1829 1830 req_dlen = operation->buffer_offs + srcLen; 1831 if (*destLen < req_dlen) { 1832 *destLen = req_dlen; 1833 res = TEE_ERROR_SHORT_BUFFER; 1834 } 1835 1836 if (*tagLen < operation->info.digestLength) { 1837 *tagLen = operation->info.digestLength; 1838 res = TEE_ERROR_SHORT_BUFFER; 1839 } 1840 1841 if (res == TEE_ERROR_SHORT_BUFFER) 1842 goto out; 1843 1844 tl = *tagLen; 1845 tmp_dlen = *destLen - acc_dlen; 1846 if (operation->block_size > 1) { 1847 res = tee_buffer_update(operation, _utee_authenc_update_payload, 1848 srcData, srcLen, dst, &tmp_dlen); 1849 if (res != TEE_SUCCESS) 1850 goto out; 1851 1852 dst += tmp_dlen; 1853 acc_dlen += tmp_dlen; 1854 1855 tmp_dlen = *destLen - acc_dlen; 1856 res = _utee_authenc_enc_final(operation->state, 1857 operation->buffer, 1858 operation->buffer_offs, dst, 1859 &tmp_dlen, tag, &tl); 1860 } else { 1861 res = _utee_authenc_enc_final(operation->state, srcData, 1862 srcLen, dst, &tmp_dlen, 1863 tag, &tl); 1864 } 1865 *tagLen = tl; 1866 if (res != TEE_SUCCESS) 1867 goto out; 1868 1869 acc_dlen += tmp_dlen; 1870 *destLen = acc_dlen; 1871 1872 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1873 1874 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1875 1876 out: 1877 if (res != TEE_SUCCESS && 1878 res != TEE_ERROR_SHORT_BUFFER) 1879 TEE_Panic(res); 1880 1881 return res; 1882 } 1883 1884 TEE_Result __GP11_TEE_AEEncryptFinal(TEE_OperationHandle operation, 1885 const void *srcData, uint32_t srcLen, 1886 void *destData, uint32_t *destLen, 1887 void *tag, uint32_t *tagLen) 1888 { 1889 TEE_Result res = TEE_SUCCESS; 1890 size_t dl = 0; 1891 size_t tl = 0; 1892 1893 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1894 __utee_check_inout_annotation(tagLen, sizeof(*tagLen)); 1895 dl = *destLen; 1896 tl = *tagLen; 1897 res = TEE_AEEncryptFinal(operation, srcData, srcLen, destData, &dl, 1898 tag, &tl); 1899 *destLen = dl; 1900 *tagLen = tl; 1901 return res; 1902 } 1903 1904 TEE_Result TEE_AEDecryptFinal(TEE_OperationHandle operation, 1905 const void *srcData, size_t srcLen, 1906 void *destData, size_t *destLen, void *tag, 1907 size_t tagLen) 1908 { 1909 TEE_Result res = TEE_SUCCESS; 1910 uint8_t *dst = destData; 1911 size_t acc_dlen = 0; 1912 uint64_t tmp_dlen = 0; 1913 size_t req_dlen = 0; 1914 1915 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) { 1916 res = TEE_ERROR_BAD_PARAMETERS; 1917 goto out; 1918 } 1919 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1920 1921 if (operation->info.operationClass != TEE_OPERATION_AE) { 1922 res = TEE_ERROR_BAD_PARAMETERS; 1923 goto out; 1924 } 1925 1926 if ((operation->info.handleState & TEE_HANDLE_FLAG_INITIALIZED) == 0) { 1927 res = TEE_ERROR_BAD_PARAMETERS; 1928 goto out; 1929 } 1930 1931 /* 1932 * Check that required destLen is big enough before starting to feed 1933 * data to the algorithm. Errors during feeding of data are fatal as we 1934 * can't restore sync with this API. 1935 */ 1936 req_dlen = operation->buffer_offs + srcLen; 1937 if (*destLen < req_dlen) { 1938 *destLen = req_dlen; 1939 res = TEE_ERROR_SHORT_BUFFER; 1940 goto out; 1941 } 1942 1943 tmp_dlen = *destLen - acc_dlen; 1944 if (operation->block_size > 1) { 1945 res = tee_buffer_update(operation, _utee_authenc_update_payload, 1946 srcData, srcLen, dst, &tmp_dlen); 1947 if (res != TEE_SUCCESS) 1948 goto out; 1949 1950 dst += tmp_dlen; 1951 acc_dlen += tmp_dlen; 1952 1953 tmp_dlen = *destLen - acc_dlen; 1954 res = _utee_authenc_dec_final(operation->state, 1955 operation->buffer, 1956 operation->buffer_offs, dst, 1957 &tmp_dlen, tag, tagLen); 1958 } else { 1959 res = _utee_authenc_dec_final(operation->state, srcData, 1960 srcLen, dst, &tmp_dlen, 1961 tag, tagLen); 1962 } 1963 if (res != TEE_SUCCESS) 1964 goto out; 1965 1966 /* Supplied tagLen should match what we initiated with */ 1967 if (tagLen != operation->info.digestLength) 1968 res = TEE_ERROR_MAC_INVALID; 1969 1970 acc_dlen += tmp_dlen; 1971 *destLen = acc_dlen; 1972 1973 operation->info.handleState &= ~TEE_HANDLE_FLAG_INITIALIZED; 1974 1975 operation->operationState = TEE_OPERATION_STATE_INITIAL; 1976 1977 out: 1978 if (res != TEE_SUCCESS && 1979 res != TEE_ERROR_SHORT_BUFFER && 1980 res != TEE_ERROR_MAC_INVALID) 1981 TEE_Panic(res); 1982 1983 return res; 1984 } 1985 1986 TEE_Result __GP11_TEE_AEDecryptFinal(TEE_OperationHandle operation, 1987 const void *srcData, uint32_t srcLen, 1988 void *destData, uint32_t *destLen, 1989 void *tag, uint32_t tagLen) 1990 { 1991 TEE_Result res = TEE_SUCCESS; 1992 size_t dl = 0; 1993 1994 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 1995 dl = *destLen; 1996 res = TEE_AEDecryptFinal(operation, srcData, srcLen, destData, &dl, 1997 tag, tagLen); 1998 *destLen = dl; 1999 return res; 2000 } 2001 2002 /* Cryptographic Operations API - Asymmetric Functions */ 2003 2004 TEE_Result TEE_AsymmetricEncrypt(TEE_OperationHandle operation, 2005 const TEE_Attribute *params, 2006 uint32_t paramCount, const void *srcData, 2007 size_t srcLen, void *destData, 2008 size_t *destLen) 2009 { 2010 TEE_Result res = TEE_SUCCESS; 2011 struct utee_attribute ua[paramCount]; 2012 uint64_t dl = 0; 2013 2014 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2015 TEE_Panic(0); 2016 2017 __utee_check_attr_in_annotation(params, paramCount); 2018 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2019 2020 if (!operation->key1) 2021 TEE_Panic(0); 2022 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2023 TEE_Panic(0); 2024 if (operation->info.mode != TEE_MODE_ENCRYPT) 2025 TEE_Panic(0); 2026 2027 __utee_from_attr(ua, params, paramCount); 2028 dl = *destLen; 2029 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2030 srcLen, destData, &dl); 2031 *destLen = dl; 2032 2033 if (res != TEE_SUCCESS && 2034 res != TEE_ERROR_SHORT_BUFFER && 2035 res != TEE_ERROR_BAD_PARAMETERS && 2036 res != TEE_ERROR_CIPHERTEXT_INVALID && 2037 res != TEE_ERROR_NOT_SUPPORTED) 2038 TEE_Panic(res); 2039 2040 return res; 2041 } 2042 2043 TEE_Result __GP11_TEE_AsymmetricEncrypt(TEE_OperationHandle operation, 2044 const __GP11_TEE_Attribute *params, 2045 uint32_t paramCount, 2046 const void *srcData, uint32_t srcLen, 2047 void *destData, uint32_t *destLen) 2048 { 2049 TEE_Result res = TEE_SUCCESS; 2050 struct utee_attribute ua[paramCount]; 2051 uint64_t dl = 0; 2052 2053 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2054 TEE_Panic(0); 2055 2056 __utee_check_gp11_attr_in_annotation(params, paramCount); 2057 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2058 2059 if (!operation->key1) 2060 TEE_Panic(0); 2061 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2062 TEE_Panic(0); 2063 if (operation->info.mode != TEE_MODE_ENCRYPT) 2064 TEE_Panic(0); 2065 2066 __utee_from_gp11_attr(ua, params, paramCount); 2067 dl = *destLen; 2068 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2069 srcLen, destData, &dl); 2070 *destLen = dl; 2071 2072 if (res != TEE_SUCCESS && 2073 res != TEE_ERROR_SHORT_BUFFER && 2074 res != TEE_ERROR_BAD_PARAMETERS) 2075 TEE_Panic(res); 2076 2077 return res; 2078 } 2079 2080 TEE_Result TEE_AsymmetricDecrypt(TEE_OperationHandle operation, 2081 const TEE_Attribute *params, 2082 uint32_t paramCount, const void *srcData, 2083 size_t srcLen, void *destData, 2084 size_t *destLen) 2085 { 2086 TEE_Result res = TEE_SUCCESS; 2087 struct utee_attribute ua[paramCount]; 2088 uint64_t dl = 0; 2089 2090 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2091 TEE_Panic(0); 2092 2093 __utee_check_attr_in_annotation(params, paramCount); 2094 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2095 2096 if (!operation->key1) 2097 TEE_Panic(0); 2098 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2099 TEE_Panic(0); 2100 if (operation->info.mode != TEE_MODE_DECRYPT) 2101 TEE_Panic(0); 2102 2103 __utee_from_attr(ua, params, paramCount); 2104 dl = *destLen; 2105 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2106 srcLen, destData, &dl); 2107 *destLen = dl; 2108 2109 if (res != TEE_SUCCESS && 2110 res != TEE_ERROR_SHORT_BUFFER && 2111 res != TEE_ERROR_BAD_PARAMETERS && 2112 res != TEE_ERROR_CIPHERTEXT_INVALID && 2113 res != TEE_ERROR_NOT_SUPPORTED) 2114 TEE_Panic(res); 2115 2116 return res; 2117 } 2118 2119 TEE_Result __GP11_TEE_AsymmetricDecrypt(TEE_OperationHandle operation, 2120 const __GP11_TEE_Attribute *params, 2121 uint32_t paramCount, 2122 const void *srcData, uint32_t srcLen, 2123 void *destData, uint32_t *destLen) 2124 { 2125 TEE_Result res = TEE_SUCCESS; 2126 struct utee_attribute ua[paramCount]; 2127 uint64_t dl = 0; 2128 2129 if (operation == TEE_HANDLE_NULL || (!srcData && srcLen)) 2130 TEE_Panic(0); 2131 2132 __utee_check_gp11_attr_in_annotation(params, paramCount); 2133 __utee_check_inout_annotation(destLen, sizeof(*destLen)); 2134 2135 if (!operation->key1) 2136 TEE_Panic(0); 2137 if (operation->info.operationClass != TEE_OPERATION_ASYMMETRIC_CIPHER) 2138 TEE_Panic(0); 2139 if (operation->info.mode != TEE_MODE_DECRYPT) 2140 TEE_Panic(0); 2141 2142 __utee_from_gp11_attr(ua, params, paramCount); 2143 dl = *destLen; 2144 res = _utee_asymm_operate(operation->state, ua, paramCount, srcData, 2145 srcLen, destData, &dl); 2146 *destLen = dl; 2147 2148 if (res != TEE_SUCCESS && 2149 res != TEE_ERROR_SHORT_BUFFER && 2150 res != TEE_ERROR_BAD_PARAMETERS) 2151 TEE_Panic(res); 2152 2153 return res; 2154 } 2155 2156 TEE_Result TEE_AsymmetricSignDigest(TEE_OperationHandle operation, 2157 const TEE_Attribute *params, 2158 uint32_t paramCount, const void *digest, 2159 size_t digestLen, void *signature, 2160 size_t *signatureLen) 2161 { 2162 TEE_Result res = TEE_SUCCESS; 2163 struct utee_attribute ua[paramCount]; 2164 uint64_t sl = 0; 2165 2166 if (operation == TEE_HANDLE_NULL || (!digest && digestLen)) 2167 TEE_Panic(0); 2168 2169 __utee_check_attr_in_annotation(params, paramCount); 2170 __utee_check_inout_annotation(signatureLen, sizeof(*signatureLen)); 2171 2172 if (!operation->key1) 2173 TEE_Panic(0); 2174 if (operation->info.operationClass != 2175 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2176 TEE_Panic(0); 2177 if (operation->info.mode != TEE_MODE_SIGN) 2178 TEE_Panic(0); 2179 2180 __utee_from_attr(ua, params, paramCount); 2181 sl = *signatureLen; 2182 res = _utee_asymm_operate(operation->state, ua, paramCount, digest, 2183 digestLen, signature, &sl); 2184 *signatureLen = sl; 2185 2186 if (res != TEE_SUCCESS && res != TEE_ERROR_SHORT_BUFFER) 2187 TEE_Panic(res); 2188 2189 return res; 2190 } 2191 2192 TEE_Result __GP11_TEE_AsymmetricSignDigest(TEE_OperationHandle operation, 2193 const __GP11_TEE_Attribute *params, 2194 uint32_t paramCount, 2195 const void *digest, 2196 uint32_t digestLen, void *signature, 2197 uint32_t *signatureLen) 2198 { 2199 TEE_Result res = TEE_SUCCESS; 2200 struct utee_attribute ua[paramCount]; 2201 uint64_t sl = 0; 2202 2203 if (operation == TEE_HANDLE_NULL || (!digest && digestLen)) 2204 TEE_Panic(0); 2205 2206 __utee_check_gp11_attr_in_annotation(params, paramCount); 2207 __utee_check_inout_annotation(signatureLen, sizeof(*signatureLen)); 2208 2209 if (!operation->key1) 2210 TEE_Panic(0); 2211 if (operation->info.operationClass != 2212 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2213 TEE_Panic(0); 2214 if (operation->info.mode != TEE_MODE_SIGN) 2215 TEE_Panic(0); 2216 2217 __utee_from_gp11_attr(ua, params, paramCount); 2218 sl = *signatureLen; 2219 res = _utee_asymm_operate(operation->state, ua, paramCount, digest, 2220 digestLen, signature, &sl); 2221 *signatureLen = sl; 2222 2223 if (res != TEE_SUCCESS && res != TEE_ERROR_SHORT_BUFFER) 2224 TEE_Panic(res); 2225 2226 return res; 2227 } 2228 2229 TEE_Result TEE_AsymmetricVerifyDigest(TEE_OperationHandle operation, 2230 const TEE_Attribute *params, 2231 uint32_t paramCount, const void *digest, 2232 size_t digestLen, 2233 const void *signature, 2234 size_t signatureLen) 2235 { 2236 TEE_Result res; 2237 struct utee_attribute ua[paramCount]; 2238 2239 if (operation == TEE_HANDLE_NULL || 2240 (digest == NULL && digestLen != 0) || 2241 (signature == NULL && signatureLen != 0)) 2242 TEE_Panic(0); 2243 2244 __utee_check_attr_in_annotation(params, paramCount); 2245 2246 if (!operation->key1) 2247 TEE_Panic(0); 2248 if (operation->info.operationClass != 2249 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2250 TEE_Panic(0); 2251 if (operation->info.mode != TEE_MODE_VERIFY) 2252 TEE_Panic(0); 2253 2254 __utee_from_attr(ua, params, paramCount); 2255 res = _utee_asymm_verify(operation->state, ua, paramCount, digest, 2256 digestLen, signature, signatureLen); 2257 2258 if (res != TEE_SUCCESS && res != TEE_ERROR_SIGNATURE_INVALID) 2259 TEE_Panic(res); 2260 2261 return res; 2262 } 2263 2264 TEE_Result __GP11_TEE_AsymmetricVerifyDigest(TEE_OperationHandle operation, 2265 const __GP11_TEE_Attribute *params, 2266 uint32_t paramCount, 2267 const void *digest, 2268 uint32_t digestLen, 2269 const void *signature, 2270 uint32_t signatureLen) 2271 { 2272 TEE_Result res = TEE_SUCCESS; 2273 struct utee_attribute ua[paramCount]; 2274 2275 if (operation == TEE_HANDLE_NULL || (!digest && digestLen) || 2276 (!signature && signatureLen)) 2277 TEE_Panic(0); 2278 2279 __utee_check_gp11_attr_in_annotation(params, paramCount); 2280 2281 if (!operation->key1) 2282 TEE_Panic(0); 2283 if (operation->info.operationClass != 2284 TEE_OPERATION_ASYMMETRIC_SIGNATURE) 2285 TEE_Panic(0); 2286 if (operation->info.mode != TEE_MODE_VERIFY) 2287 TEE_Panic(0); 2288 2289 __utee_from_gp11_attr(ua, params, paramCount); 2290 res = _utee_asymm_verify(operation->state, ua, paramCount, digest, 2291 digestLen, signature, signatureLen); 2292 2293 if (res != TEE_SUCCESS && res != TEE_ERROR_SIGNATURE_INVALID) 2294 TEE_Panic(res); 2295 2296 return res; 2297 } 2298 2299 /* Cryptographic Operations API - Key Derivation Functions */ 2300 2301 void TEE_DeriveKey(TEE_OperationHandle operation, 2302 const TEE_Attribute *params, uint32_t paramCount, 2303 TEE_ObjectHandle derivedKey) 2304 { 2305 struct utee_attribute ua[paramCount]; 2306 struct utee_object_info key_info = { }; 2307 TEE_Result res = TEE_SUCCESS; 2308 2309 if (operation == TEE_HANDLE_NULL || derivedKey == 0) 2310 TEE_Panic(0); 2311 2312 __utee_check_attr_in_annotation(params, paramCount); 2313 2314 if (TEE_ALG_GET_CLASS(operation->info.algorithm) != 2315 TEE_OPERATION_KEY_DERIVATION) 2316 TEE_Panic(0); 2317 2318 if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION) 2319 TEE_Panic(0); 2320 if (!operation->key1) 2321 TEE_Panic(0); 2322 if (operation->info.mode != TEE_MODE_DERIVE) 2323 TEE_Panic(0); 2324 if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0) 2325 TEE_Panic(0); 2326 2327 res = _utee_cryp_obj_get_info((unsigned long)derivedKey, &key_info); 2328 if (res != TEE_SUCCESS) 2329 TEE_Panic(res); 2330 2331 if (key_info.obj_type != TEE_TYPE_GENERIC_SECRET) 2332 TEE_Panic(0); 2333 if ((key_info.handle_flags & TEE_HANDLE_FLAG_INITIALIZED) != 0) 2334 TEE_Panic(0); 2335 2336 __utee_from_attr(ua, params, paramCount); 2337 res = _utee_cryp_derive_key(operation->state, ua, paramCount, 2338 (unsigned long)derivedKey); 2339 if (res != TEE_SUCCESS) 2340 TEE_Panic(res); 2341 } 2342 2343 void __GP11_TEE_DeriveKey(TEE_OperationHandle operation, 2344 const __GP11_TEE_Attribute *params, 2345 uint32_t paramCount, TEE_ObjectHandle derivedKey) 2346 { 2347 struct utee_attribute ua[paramCount]; 2348 struct utee_object_info key_info = { }; 2349 TEE_Result res = TEE_SUCCESS; 2350 2351 if (operation == TEE_HANDLE_NULL || derivedKey == 0) 2352 TEE_Panic(0); 2353 2354 __utee_check_gp11_attr_in_annotation(params, paramCount); 2355 2356 if (TEE_ALG_GET_CLASS(operation->info.algorithm) != 2357 TEE_OPERATION_KEY_DERIVATION) 2358 TEE_Panic(0); 2359 2360 if (operation->info.operationClass != TEE_OPERATION_KEY_DERIVATION) 2361 TEE_Panic(0); 2362 if (!operation->key1) 2363 TEE_Panic(0); 2364 if (operation->info.mode != TEE_MODE_DERIVE) 2365 TEE_Panic(0); 2366 if ((operation->info.handleState & TEE_HANDLE_FLAG_KEY_SET) == 0) 2367 TEE_Panic(0); 2368 2369 res = _utee_cryp_obj_get_info((unsigned long)derivedKey, &key_info); 2370 if (res != TEE_SUCCESS) 2371 TEE_Panic(res); 2372 2373 if (key_info.obj_type != TEE_TYPE_GENERIC_SECRET) 2374 TEE_Panic(0); 2375 if ((key_info.handle_flags & TEE_HANDLE_FLAG_INITIALIZED) != 0) 2376 TEE_Panic(0); 2377 2378 __utee_from_gp11_attr(ua, params, paramCount); 2379 res = _utee_cryp_derive_key(operation->state, ua, paramCount, 2380 (unsigned long)derivedKey); 2381 if (res != TEE_SUCCESS) 2382 TEE_Panic(res); 2383 } 2384 2385 /* Cryptographic Operations API - Random Number Generation Functions */ 2386 2387 void TEE_GenerateRandom(void *randomBuffer, size_t randomBufferLen) 2388 { 2389 TEE_Result res; 2390 2391 res = _utee_cryp_random_number_generate(randomBuffer, randomBufferLen); 2392 if (res != TEE_SUCCESS) 2393 TEE_Panic(res); 2394 } 2395 2396 void __GP11_TEE_GenerateRandom(void *randomBuffer, uint32_t randomBufferLen) 2397 { 2398 TEE_GenerateRandom(randomBuffer, randomBufferLen); 2399 } 2400 2401 int rand(void) 2402 { 2403 int rc; 2404 2405 TEE_GenerateRandom(&rc, sizeof(rc)); 2406 2407 /* 2408 * RAND_MAX is the larges int, INT_MAX which is all bits but the 2409 * highest bit set. 2410 */ 2411 return rc & RAND_MAX; 2412 } 2413 2414 TEE_Result TEE_IsAlgorithmSupported(uint32_t alg, uint32_t element) 2415 { 2416 if (IS_ENABLED(CFG_CRYPTO_AES)) { 2417 if (IS_ENABLED(CFG_CRYPTO_ECB)) { 2418 if (alg == TEE_ALG_AES_ECB_NOPAD) 2419 goto check_element_none; 2420 } 2421 if (IS_ENABLED(CFG_CRYPTO_CBC)) { 2422 if (alg == TEE_ALG_AES_CBC_NOPAD) 2423 goto check_element_none; 2424 } 2425 if (IS_ENABLED(CFG_CRYPTO_CTR)) { 2426 if (alg == TEE_ALG_AES_CTR) 2427 goto check_element_none; 2428 } 2429 if (IS_ENABLED(CFG_CRYPTO_CTS)) { 2430 if (alg == TEE_ALG_AES_CTS) 2431 goto check_element_none; 2432 } 2433 if (IS_ENABLED(CFG_CRYPTO_XTS)) { 2434 if (alg == TEE_ALG_AES_XTS) 2435 goto check_element_none; 2436 } 2437 if (IS_ENABLED(CFG_CRYPTO_CBC_MAC)) { 2438 if (alg == TEE_ALG_AES_CBC_MAC_NOPAD || 2439 alg == TEE_ALG_AES_CBC_MAC_PKCS5) 2440 goto check_element_none; 2441 } 2442 if (IS_ENABLED(CFG_CRYPTO_CMAC)) { 2443 if (alg == TEE_ALG_AES_CMAC) 2444 goto check_element_none; 2445 } 2446 if (IS_ENABLED(CFG_CRYPTO_CCM)) { 2447 if (alg == TEE_ALG_AES_CCM) 2448 goto check_element_none; 2449 } 2450 if (IS_ENABLED(CFG_CRYPTO_GCM)) { 2451 if (alg == TEE_ALG_AES_GCM) 2452 goto check_element_none; 2453 } 2454 } 2455 if (IS_ENABLED(CFG_CRYPTO_DES)) { 2456 if (IS_ENABLED(CFG_CRYPTO_ECB)) { 2457 if (alg == TEE_ALG_DES_ECB_NOPAD || 2458 alg == TEE_ALG_DES3_ECB_NOPAD) 2459 goto check_element_none; 2460 } 2461 if (IS_ENABLED(CFG_CRYPTO_CBC)) { 2462 if (alg == TEE_ALG_DES_CBC_NOPAD || 2463 alg == TEE_ALG_DES3_CBC_NOPAD) 2464 goto check_element_none; 2465 } 2466 if (IS_ENABLED(CFG_CRYPTO_CBC_MAC)) { 2467 if (alg == TEE_ALG_DES_CBC_MAC_NOPAD || 2468 alg == TEE_ALG_DES_CBC_MAC_PKCS5 || 2469 alg == TEE_ALG_DES3_CBC_MAC_NOPAD || 2470 alg == TEE_ALG_DES3_CBC_MAC_PKCS5) 2471 goto check_element_none; 2472 } 2473 } 2474 if (IS_ENABLED(CFG_CRYPTO_MD5)) { 2475 if (alg == TEE_ALG_MD5) 2476 goto check_element_none; 2477 } 2478 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2479 if (alg == TEE_ALG_SHA1) 2480 goto check_element_none; 2481 } 2482 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2483 if (alg == TEE_ALG_SHA224) 2484 goto check_element_none; 2485 } 2486 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2487 if (alg == TEE_ALG_SHA256) 2488 goto check_element_none; 2489 } 2490 if (IS_ENABLED(CFG_CRYPTO_SHA384)) { 2491 if (alg == TEE_ALG_SHA384) 2492 goto check_element_none; 2493 } 2494 if (IS_ENABLED(CFG_CRYPTO_SHA512)) { 2495 if (alg == TEE_ALG_SHA512) 2496 goto check_element_none; 2497 } 2498 if (IS_ENABLED(CFG_CRYPTO_SHA3_224)) { 2499 if (alg == TEE_ALG_SHA3_224) 2500 goto check_element_none; 2501 } 2502 if (IS_ENABLED(CFG_CRYPTO_SHA3_256)) { 2503 if (alg == TEE_ALG_SHA3_256) 2504 goto check_element_none; 2505 } 2506 if (IS_ENABLED(CFG_CRYPTO_SHA3_384)) { 2507 if (alg == TEE_ALG_SHA3_384) 2508 goto check_element_none; 2509 } 2510 if (IS_ENABLED(CFG_CRYPTO_SHA3_512)) { 2511 if (alg == TEE_ALG_SHA3_512) 2512 goto check_element_none; 2513 } 2514 if (IS_ENABLED(CFG_CRYPTO_MD5) && IS_ENABLED(CFG_CRYPTO_SHA1)) { 2515 if (alg == TEE_ALG_MD5SHA1) 2516 goto check_element_none; 2517 } 2518 if (IS_ENABLED(CFG_CRYPTO_HMAC)) { 2519 if (IS_ENABLED(CFG_CRYPTO_MD5)) { 2520 if (alg == TEE_ALG_HMAC_MD5) 2521 goto check_element_none; 2522 } 2523 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2524 if (alg == TEE_ALG_HMAC_SHA1) 2525 goto check_element_none; 2526 } 2527 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2528 if (alg == TEE_ALG_HMAC_SHA224) 2529 goto check_element_none; 2530 } 2531 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2532 if (alg == TEE_ALG_HMAC_SHA256) 2533 goto check_element_none; 2534 } 2535 if (IS_ENABLED(CFG_CRYPTO_SHA384)) { 2536 if (alg == TEE_ALG_HMAC_SHA384) 2537 goto check_element_none; 2538 } 2539 if (IS_ENABLED(CFG_CRYPTO_SHA512)) { 2540 if (alg == TEE_ALG_HMAC_SHA512) 2541 goto check_element_none; 2542 } 2543 if (IS_ENABLED(CFG_CRYPTO_SHA3_224)) { 2544 if (alg == TEE_ALG_HMAC_SHA3_224) 2545 goto check_element_none; 2546 } 2547 if (IS_ENABLED(CFG_CRYPTO_SHA3_256)) { 2548 if (alg == TEE_ALG_HMAC_SHA3_256) 2549 goto check_element_none; 2550 } 2551 if (IS_ENABLED(CFG_CRYPTO_SHA3_384)) { 2552 if (alg == TEE_ALG_HMAC_SHA3_384) 2553 goto check_element_none; 2554 } 2555 if (IS_ENABLED(CFG_CRYPTO_SHA3_512)) { 2556 if (alg == TEE_ALG_HMAC_SHA3_512) 2557 goto check_element_none; 2558 } 2559 if (IS_ENABLED(CFG_CRYPTO_SM3)) { 2560 if (alg == TEE_ALG_HMAC_SM3) 2561 goto check_element_none; 2562 } 2563 } 2564 if (IS_ENABLED(CFG_CRYPTO_SM3)) { 2565 if (alg == TEE_ALG_SM3) 2566 goto check_element_none; 2567 } 2568 if (IS_ENABLED(CFG_CRYPTO_SM4)) { 2569 if (IS_ENABLED(CFG_CRYPTO_ECB)) { 2570 if (alg == TEE_ALG_SM4_ECB_NOPAD) 2571 goto check_element_none; 2572 } 2573 if (IS_ENABLED(CFG_CRYPTO_CBC)) { 2574 if (alg == TEE_ALG_SM4_CBC_NOPAD) 2575 goto check_element_none; 2576 } 2577 if (IS_ENABLED(CFG_CRYPTO_CTR)) { 2578 if (alg == TEE_ALG_SM4_CTR) 2579 goto check_element_none; 2580 } 2581 if (IS_ENABLED(CFG_CRYPTO_XTS)) { 2582 if (alg == TEE_ALG_SM4_XTS) 2583 goto check_element_none; 2584 } 2585 } 2586 if (IS_ENABLED(CFG_CRYPTO_RSA)) { 2587 if (IS_ENABLED(CFG_CRYPTO_MD5)) { 2588 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_MD5 || 2589 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_MD5 || 2590 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_MD5) 2591 goto check_element_none; 2592 } 2593 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2594 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA1 || 2595 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA1 || 2596 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA1) 2597 goto check_element_none; 2598 } 2599 if (IS_ENABLED(CFG_CRYPTO_MD5) && IS_ENABLED(CFG_CRYPTO_SHA1)) { 2600 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_MD5SHA1) 2601 goto check_element_none; 2602 } 2603 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2604 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA224 || 2605 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA224 || 2606 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA224) 2607 goto check_element_none; 2608 } 2609 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2610 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA256 || 2611 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA256 || 2612 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA256) 2613 goto check_element_none; 2614 } 2615 if (IS_ENABLED(CFG_CRYPTO_SHA384)) { 2616 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA384 || 2617 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA384 || 2618 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA384) 2619 goto check_element_none; 2620 } 2621 if (IS_ENABLED(CFG_CRYPTO_SHA512)) { 2622 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5_SHA512 || 2623 alg == TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA512 || 2624 alg == TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA512) 2625 goto check_element_none; 2626 } 2627 if (IS_ENABLED(CFG_CRYPTO_RSASSA_NA1)) { 2628 if (alg == TEE_ALG_RSASSA_PKCS1_V1_5) 2629 goto check_element_none; 2630 } 2631 if (alg == TEE_ALG_RSA_NOPAD) 2632 goto check_element_none; 2633 } 2634 if (IS_ENABLED(CFG_CRYPTO_DSA)) { 2635 if (IS_ENABLED(CFG_CRYPTO_SHA1)) { 2636 if (alg == TEE_ALG_DSA_SHA1) 2637 goto check_element_none; 2638 } 2639 if (IS_ENABLED(CFG_CRYPTO_SHA224)) { 2640 if (alg == TEE_ALG_DSA_SHA224) 2641 goto check_element_none; 2642 } 2643 if (IS_ENABLED(CFG_CRYPTO_SHA256)) { 2644 if (alg == TEE_ALG_DSA_SHA256) 2645 goto check_element_none; 2646 } 2647 } 2648 if (IS_ENABLED(CFG_CRYPTO_DH)) { 2649 if (alg == TEE_ALG_DH_DERIVE_SHARED_SECRET) 2650 goto check_element_none; 2651 } 2652 if (IS_ENABLED(CFG_CRYPTO_ECC)) { 2653 if ((alg == __OPTEE_ALG_ECDH_P192 || 2654 alg == __OPTEE_ALG_ECDSA_P192 || 2655 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2656 alg == TEE_ALG_ECDSA_SHA1) && 2657 element == TEE_ECC_CURVE_NIST_P192) 2658 return TEE_SUCCESS; 2659 if ((alg == __OPTEE_ALG_ECDH_P224 || 2660 alg == __OPTEE_ALG_ECDSA_P224 || 2661 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2662 alg == TEE_ALG_ECDSA_SHA224) && 2663 element == TEE_ECC_CURVE_NIST_P224) 2664 return TEE_SUCCESS; 2665 if ((alg == __OPTEE_ALG_ECDH_P256 || 2666 alg == __OPTEE_ALG_ECDSA_P256 || 2667 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2668 alg == TEE_ALG_ECDSA_SHA256) && 2669 element == TEE_ECC_CURVE_NIST_P256) 2670 return TEE_SUCCESS; 2671 if ((alg == __OPTEE_ALG_ECDH_P384 || 2672 alg == __OPTEE_ALG_ECDSA_P384 || 2673 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2674 alg == TEE_ALG_ECDSA_SHA384) && 2675 element == TEE_ECC_CURVE_NIST_P384) 2676 return TEE_SUCCESS; 2677 if ((alg == __OPTEE_ALG_ECDH_P521 || 2678 alg == __OPTEE_ALG_ECDSA_P521 || 2679 alg == TEE_ALG_ECDH_DERIVE_SHARED_SECRET || 2680 alg == TEE_ALG_ECDSA_SHA512) && 2681 element == TEE_ECC_CURVE_NIST_P521) 2682 return TEE_SUCCESS; 2683 } 2684 if (IS_ENABLED(CFG_CRYPTO_SM2_DSA)) { 2685 if (alg == TEE_ALG_SM2_DSA_SM3 && element == TEE_ECC_CURVE_SM2) 2686 return TEE_SUCCESS; 2687 } 2688 if (IS_ENABLED(CFG_CRYPTO_SM2_KEP)) { 2689 if (alg == TEE_ALG_SM2_KEP && element == TEE_ECC_CURVE_SM2) 2690 return TEE_SUCCESS; 2691 } 2692 if (IS_ENABLED(CFG_CRYPTO_SM2_PKE)) { 2693 if (alg == TEE_ALG_SM2_PKE && element == TEE_ECC_CURVE_SM2) 2694 return TEE_SUCCESS; 2695 } 2696 if (IS_ENABLED(CFG_CRYPTO_X25519)) { 2697 if (alg == TEE_ALG_X25519 && element == TEE_ECC_CURVE_25519) 2698 return TEE_SUCCESS; 2699 } 2700 if (IS_ENABLED(CFG_CRYPTO_ED25519)) { 2701 if (alg == TEE_ALG_ED25519 && element == TEE_ECC_CURVE_25519) 2702 return TEE_SUCCESS; 2703 } 2704 2705 return TEE_ERROR_NOT_SUPPORTED; 2706 check_element_none: 2707 if (element == TEE_CRYPTO_ELEMENT_NONE) 2708 return TEE_SUCCESS; 2709 return TEE_ERROR_NOT_SUPPORTED; 2710 } 2711