1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (c) 2018-2020, Linaro Limited 4 */ 5 6 #include <pkcs11_ta.h> 7 #include <string.h> 8 #include <tee_internal_api.h> 9 #include <util.h> 10 11 #include "attributes.h" 12 #include "object.h" 13 #include "pkcs11_attributes.h" 14 #include "pkcs11_helpers.h" 15 16 static const char __maybe_unused unknown[] = "<unknown-identifier>"; 17 18 struct attr_size { 19 uint32_t id; 20 uint32_t size; 21 #if CFG_TEE_TA_LOG_LEVEL > 0 22 const char *string; 23 #endif 24 }; 25 26 #if CFG_TEE_TA_LOG_LEVEL > 0 27 #define PKCS11_ID_SZ(_id, _sz) \ 28 { .id = (uint32_t)(_id), .size = (_sz), .string = #_id } 29 #else 30 #define PKCS11_ID_SZ(_id, _sz) \ 31 { .id = (uint32_t)(_id), .size = (_sz) } 32 #endif 33 34 static const struct attr_size attr_ids[] = { 35 PKCS11_ID_SZ(PKCS11_CKA_CLASS, 4), 36 PKCS11_ID_SZ(PKCS11_CKA_KEY_TYPE, 4), 37 PKCS11_ID_SZ(PKCS11_CKA_VALUE, 0), 38 PKCS11_ID_SZ(PKCS11_CKA_VALUE_LEN, 4), 39 PKCS11_ID_SZ(PKCS11_CKA_LABEL, 0), 40 PKCS11_ID_SZ(PKCS11_CKA_WRAP_TEMPLATE, 0), 41 PKCS11_ID_SZ(PKCS11_CKA_UNWRAP_TEMPLATE, 0), 42 PKCS11_ID_SZ(PKCS11_CKA_DERIVE_TEMPLATE, 0), 43 PKCS11_ID_SZ(PKCS11_CKA_START_DATE, 4), 44 PKCS11_ID_SZ(PKCS11_CKA_END_DATE, 4), 45 PKCS11_ID_SZ(PKCS11_CKA_OBJECT_ID, 0), 46 PKCS11_ID_SZ(PKCS11_CKA_APPLICATION, 0), 47 PKCS11_ID_SZ(PKCS11_CKA_MECHANISM_TYPE, 4), 48 PKCS11_ID_SZ(PKCS11_CKA_ID, 0), 49 PKCS11_ID_SZ(PKCS11_CKA_ALLOWED_MECHANISMS, 0), 50 PKCS11_ID_SZ(PKCS11_CKA_EC_POINT, 0), 51 PKCS11_ID_SZ(PKCS11_CKA_EC_PARAMS, 0), 52 PKCS11_ID_SZ(PKCS11_CKA_MODULUS, 0), 53 PKCS11_ID_SZ(PKCS11_CKA_MODULUS_BITS, 4), 54 PKCS11_ID_SZ(PKCS11_CKA_PUBLIC_EXPONENT, 0), 55 PKCS11_ID_SZ(PKCS11_CKA_PRIVATE_EXPONENT, 0), 56 PKCS11_ID_SZ(PKCS11_CKA_PRIME_1, 0), 57 PKCS11_ID_SZ(PKCS11_CKA_PRIME_2, 0), 58 PKCS11_ID_SZ(PKCS11_CKA_EXPONENT_1, 0), 59 PKCS11_ID_SZ(PKCS11_CKA_EXPONENT_2, 0), 60 PKCS11_ID_SZ(PKCS11_CKA_COEFFICIENT, 0), 61 PKCS11_ID_SZ(PKCS11_CKA_SUBJECT, 0), 62 PKCS11_ID_SZ(PKCS11_CKA_PUBLIC_KEY_INFO, 0), 63 PKCS11_ID_SZ(PKCS11_CKA_KEY_GEN_MECHANISM, 4), 64 /* Below are boolean attributes */ 65 PKCS11_ID_SZ(PKCS11_CKA_TOKEN, 1), 66 PKCS11_ID_SZ(PKCS11_CKA_PRIVATE, 1), 67 PKCS11_ID_SZ(PKCS11_CKA_TRUSTED, 1), 68 PKCS11_ID_SZ(PKCS11_CKA_SENSITIVE, 1), 69 PKCS11_ID_SZ(PKCS11_CKA_ENCRYPT, 1), 70 PKCS11_ID_SZ(PKCS11_CKA_DECRYPT, 1), 71 PKCS11_ID_SZ(PKCS11_CKA_WRAP, 1), 72 PKCS11_ID_SZ(PKCS11_CKA_UNWRAP, 1), 73 PKCS11_ID_SZ(PKCS11_CKA_SIGN, 1), 74 PKCS11_ID_SZ(PKCS11_CKA_SIGN_RECOVER, 1), 75 PKCS11_ID_SZ(PKCS11_CKA_VERIFY, 1), 76 PKCS11_ID_SZ(PKCS11_CKA_VERIFY_RECOVER, 1), 77 PKCS11_ID_SZ(PKCS11_CKA_DERIVE, 1), 78 PKCS11_ID_SZ(PKCS11_CKA_EXTRACTABLE, 1), 79 PKCS11_ID_SZ(PKCS11_CKA_LOCAL, 1), 80 PKCS11_ID_SZ(PKCS11_CKA_NEVER_EXTRACTABLE, 1), 81 PKCS11_ID_SZ(PKCS11_CKA_ALWAYS_SENSITIVE, 1), 82 PKCS11_ID_SZ(PKCS11_CKA_MODIFIABLE, 1), 83 PKCS11_ID_SZ(PKCS11_CKA_COPYABLE, 1), 84 PKCS11_ID_SZ(PKCS11_CKA_DESTROYABLE, 1), 85 PKCS11_ID_SZ(PKCS11_CKA_ALWAYS_AUTHENTICATE, 1), 86 PKCS11_ID_SZ(PKCS11_CKA_WRAP_WITH_TRUSTED, 1), 87 /* Specific PKCS11 TA internal attribute ID */ 88 PKCS11_ID_SZ(PKCS11_CKA_UNDEFINED_ID, 0), 89 }; 90 91 struct any_id { 92 uint32_t id; 93 #if CFG_TEE_TA_LOG_LEVEL > 0 94 const char *string; 95 #endif 96 }; 97 98 /* 99 * Macro PKCS11_ID() can be used to define cells in ID list arrays 100 * or ID/string conversion arrays. 101 */ 102 #if CFG_TEE_TA_LOG_LEVEL > 0 103 #define PKCS11_ID(_id) { .id = _id, .string = #_id } 104 #else 105 #define PKCS11_ID(_id) { .id = _id } 106 #endif 107 108 #define ID2STR(id, table, prefix) \ 109 id2str(id, table, ARRAY_SIZE(table), prefix) 110 111 #if CFG_TEE_TA_LOG_LEVEL > 0 112 /* Convert a PKCS11 ID into its label string */ 113 static const char *id2str(uint32_t id, const struct any_id *table, 114 size_t count, const char *prefix) 115 { 116 size_t n = 0; 117 const char *str = NULL; 118 119 for (n = 0; n < count; n++) { 120 if (id != table[n].id) 121 continue; 122 123 str = table[n].string; 124 125 /* Skip prefix provided matches found */ 126 if (prefix && !TEE_MemCompare(str, prefix, strlen(prefix))) 127 str += strlen(prefix); 128 129 return str; 130 } 131 132 return unknown; 133 } 134 #endif /* CFG_TEE_TA_LOG_LEVEL > 0 */ 135 136 /* 137 * TA command IDs: used only as ID/string conversion for debug trace support 138 */ 139 static const struct any_id __maybe_unused string_ta_cmd[] = { 140 PKCS11_ID(PKCS11_CMD_PING), 141 PKCS11_ID(PKCS11_CMD_SLOT_LIST), 142 PKCS11_ID(PKCS11_CMD_SLOT_INFO), 143 PKCS11_ID(PKCS11_CMD_TOKEN_INFO), 144 PKCS11_ID(PKCS11_CMD_MECHANISM_IDS), 145 PKCS11_ID(PKCS11_CMD_MECHANISM_INFO), 146 PKCS11_ID(PKCS11_CMD_OPEN_SESSION), 147 PKCS11_ID(PKCS11_CMD_SESSION_INFO), 148 PKCS11_ID(PKCS11_CMD_CLOSE_SESSION), 149 PKCS11_ID(PKCS11_CMD_CLOSE_ALL_SESSIONS), 150 PKCS11_ID(PKCS11_CMD_INIT_TOKEN), 151 PKCS11_ID(PKCS11_CMD_INIT_PIN), 152 PKCS11_ID(PKCS11_CMD_SET_PIN), 153 PKCS11_ID(PKCS11_CMD_LOGIN), 154 PKCS11_ID(PKCS11_CMD_LOGOUT), 155 PKCS11_ID(PKCS11_CMD_CREATE_OBJECT), 156 PKCS11_ID(PKCS11_CMD_DESTROY_OBJECT), 157 PKCS11_ID(PKCS11_CMD_ENCRYPT_INIT), 158 PKCS11_ID(PKCS11_CMD_DECRYPT_INIT), 159 PKCS11_ID(PKCS11_CMD_ENCRYPT_UPDATE), 160 PKCS11_ID(PKCS11_CMD_DECRYPT_UPDATE), 161 PKCS11_ID(PKCS11_CMD_ENCRYPT_FINAL), 162 PKCS11_ID(PKCS11_CMD_DECRYPT_FINAL), 163 PKCS11_ID(PKCS11_CMD_ENCRYPT_ONESHOT), 164 PKCS11_ID(PKCS11_CMD_DECRYPT_ONESHOT), 165 PKCS11_ID(PKCS11_CMD_SIGN_INIT), 166 PKCS11_ID(PKCS11_CMD_VERIFY_INIT), 167 PKCS11_ID(PKCS11_CMD_SIGN_UPDATE), 168 PKCS11_ID(PKCS11_CMD_VERIFY_UPDATE), 169 PKCS11_ID(PKCS11_CMD_SIGN_FINAL), 170 PKCS11_ID(PKCS11_CMD_VERIFY_FINAL), 171 PKCS11_ID(PKCS11_CMD_SIGN_ONESHOT), 172 PKCS11_ID(PKCS11_CMD_VERIFY_ONESHOT), 173 PKCS11_ID(PKCS11_CMD_GENERATE_KEY), 174 PKCS11_ID(PKCS11_CMD_FIND_OBJECTS_INIT), 175 PKCS11_ID(PKCS11_CMD_FIND_OBJECTS), 176 PKCS11_ID(PKCS11_CMD_FIND_OBJECTS_FINAL), 177 PKCS11_ID(PKCS11_CMD_GET_OBJECT_SIZE), 178 PKCS11_ID(PKCS11_CMD_GET_ATTRIBUTE_VALUE), 179 }; 180 181 static const struct any_id __maybe_unused string_slot_flags[] = { 182 PKCS11_ID(PKCS11_CKFS_TOKEN_PRESENT), 183 PKCS11_ID(PKCS11_CKFS_REMOVABLE_DEVICE), 184 PKCS11_ID(PKCS11_CKFS_HW_SLOT), 185 }; 186 187 static const struct any_id __maybe_unused string_token_flags[] = { 188 PKCS11_ID(PKCS11_CKFT_RNG), 189 PKCS11_ID(PKCS11_CKFT_WRITE_PROTECTED), 190 PKCS11_ID(PKCS11_CKFT_LOGIN_REQUIRED), 191 PKCS11_ID(PKCS11_CKFT_USER_PIN_INITIALIZED), 192 PKCS11_ID(PKCS11_CKFT_RESTORE_KEY_NOT_NEEDED), 193 PKCS11_ID(PKCS11_CKFT_CLOCK_ON_TOKEN), 194 PKCS11_ID(PKCS11_CKFT_PROTECTED_AUTHENTICATION_PATH), 195 PKCS11_ID(PKCS11_CKFT_DUAL_CRYPTO_OPERATIONS), 196 PKCS11_ID(PKCS11_CKFT_TOKEN_INITIALIZED), 197 PKCS11_ID(PKCS11_CKFT_USER_PIN_COUNT_LOW), 198 PKCS11_ID(PKCS11_CKFT_USER_PIN_FINAL_TRY), 199 PKCS11_ID(PKCS11_CKFT_USER_PIN_LOCKED), 200 PKCS11_ID(PKCS11_CKFT_USER_PIN_TO_BE_CHANGED), 201 PKCS11_ID(PKCS11_CKFT_SO_PIN_COUNT_LOW), 202 PKCS11_ID(PKCS11_CKFT_SO_PIN_FINAL_TRY), 203 PKCS11_ID(PKCS11_CKFT_SO_PIN_LOCKED), 204 PKCS11_ID(PKCS11_CKFT_SO_PIN_TO_BE_CHANGED), 205 PKCS11_ID(PKCS11_CKFT_ERROR_STATE), 206 }; 207 208 static const struct any_id __maybe_unused string_session_flags[] = { 209 PKCS11_ID(PKCS11_CKFSS_RW_SESSION), 210 PKCS11_ID(PKCS11_CKFSS_SERIAL_SESSION), 211 }; 212 213 static const struct any_id __maybe_unused string_session_state[] = { 214 PKCS11_ID(PKCS11_CKS_RO_PUBLIC_SESSION), 215 PKCS11_ID(PKCS11_CKS_RO_USER_FUNCTIONS), 216 PKCS11_ID(PKCS11_CKS_RW_PUBLIC_SESSION), 217 PKCS11_ID(PKCS11_CKS_RW_USER_FUNCTIONS), 218 PKCS11_ID(PKCS11_CKS_RW_SO_FUNCTIONS), 219 }; 220 221 static const struct any_id __maybe_unused string_rc[] = { 222 PKCS11_ID(PKCS11_CKR_OK), 223 PKCS11_ID(PKCS11_CKR_GENERAL_ERROR), 224 PKCS11_ID(PKCS11_CKR_DEVICE_MEMORY), 225 PKCS11_ID(PKCS11_CKR_ARGUMENTS_BAD), 226 PKCS11_ID(PKCS11_CKR_BUFFER_TOO_SMALL), 227 PKCS11_ID(PKCS11_CKR_FUNCTION_FAILED), 228 PKCS11_ID(PKCS11_CKR_SIGNATURE_INVALID), 229 PKCS11_ID(PKCS11_CKR_ATTRIBUTE_TYPE_INVALID), 230 PKCS11_ID(PKCS11_CKR_ATTRIBUTE_VALUE_INVALID), 231 PKCS11_ID(PKCS11_CKR_OBJECT_HANDLE_INVALID), 232 PKCS11_ID(PKCS11_CKR_KEY_HANDLE_INVALID), 233 PKCS11_ID(PKCS11_CKR_MECHANISM_INVALID), 234 PKCS11_ID(PKCS11_CKR_SESSION_HANDLE_INVALID), 235 PKCS11_ID(PKCS11_CKR_SLOT_ID_INVALID), 236 PKCS11_ID(PKCS11_CKR_MECHANISM_PARAM_INVALID), 237 PKCS11_ID(PKCS11_CKR_TEMPLATE_INCONSISTENT), 238 PKCS11_ID(PKCS11_CKR_TEMPLATE_INCOMPLETE), 239 PKCS11_ID(PKCS11_CKR_PIN_INCORRECT), 240 PKCS11_ID(PKCS11_CKR_PIN_LOCKED), 241 PKCS11_ID(PKCS11_CKR_PIN_EXPIRED), 242 PKCS11_ID(PKCS11_CKR_PIN_INVALID), 243 PKCS11_ID(PKCS11_CKR_PIN_LEN_RANGE), 244 PKCS11_ID(PKCS11_CKR_SESSION_EXISTS), 245 PKCS11_ID(PKCS11_CKR_SESSION_PARALLEL_NOT_SUPPORTED), 246 PKCS11_ID(PKCS11_CKR_SESSION_READ_ONLY), 247 PKCS11_ID(PKCS11_CKR_SESSION_READ_WRITE_SO_EXISTS), 248 PKCS11_ID(PKCS11_CKR_OPERATION_ACTIVE), 249 PKCS11_ID(PKCS11_CKR_KEY_FUNCTION_NOT_PERMITTED), 250 PKCS11_ID(PKCS11_CKR_OPERATION_NOT_INITIALIZED), 251 PKCS11_ID(PKCS11_CKR_TOKEN_WRITE_PROTECTED), 252 PKCS11_ID(PKCS11_CKR_TOKEN_NOT_PRESENT), 253 PKCS11_ID(PKCS11_CKR_TOKEN_NOT_RECOGNIZED), 254 PKCS11_ID(PKCS11_CKR_ACTION_PROHIBITED), 255 PKCS11_ID(PKCS11_CKR_ATTRIBUTE_READ_ONLY), 256 PKCS11_ID(PKCS11_CKR_PIN_TOO_WEAK), 257 PKCS11_ID(PKCS11_CKR_CURVE_NOT_SUPPORTED), 258 PKCS11_ID(PKCS11_CKR_DOMAIN_PARAMS_INVALID), 259 PKCS11_ID(PKCS11_CKR_USER_ALREADY_LOGGED_IN), 260 PKCS11_ID(PKCS11_CKR_USER_ANOTHER_ALREADY_LOGGED_IN), 261 PKCS11_ID(PKCS11_CKR_USER_NOT_LOGGED_IN), 262 PKCS11_ID(PKCS11_CKR_USER_PIN_NOT_INITIALIZED), 263 PKCS11_ID(PKCS11_CKR_USER_TOO_MANY_TYPES), 264 PKCS11_ID(PKCS11_CKR_USER_TYPE_INVALID), 265 PKCS11_ID(PKCS11_CKR_KEY_SIZE_RANGE), 266 PKCS11_ID(PKCS11_CKR_SESSION_READ_ONLY_EXISTS), 267 PKCS11_ID(PKCS11_CKR_SIGNATURE_LEN_RANGE), 268 PKCS11_ID(PKCS11_RV_NOT_FOUND), 269 PKCS11_ID(PKCS11_RV_NOT_IMPLEMENTED), 270 }; 271 272 static const struct any_id __maybe_unused string_class[] = { 273 PKCS11_ID(PKCS11_CKO_SECRET_KEY), 274 PKCS11_ID(PKCS11_CKO_PUBLIC_KEY), 275 PKCS11_ID(PKCS11_CKO_PRIVATE_KEY), 276 PKCS11_ID(PKCS11_CKO_OTP_KEY), 277 PKCS11_ID(PKCS11_CKO_CERTIFICATE), 278 PKCS11_ID(PKCS11_CKO_DATA), 279 PKCS11_ID(PKCS11_CKO_DOMAIN_PARAMETERS), 280 PKCS11_ID(PKCS11_CKO_HW_FEATURE), 281 PKCS11_ID(PKCS11_CKO_MECHANISM), 282 PKCS11_ID(PKCS11_CKO_UNDEFINED_ID) 283 }; 284 285 static const struct any_id __maybe_unused string_key_type[] = { 286 PKCS11_ID(PKCS11_CKK_AES), 287 PKCS11_ID(PKCS11_CKK_GENERIC_SECRET), 288 PKCS11_ID(PKCS11_CKK_MD5_HMAC), 289 PKCS11_ID(PKCS11_CKK_SHA_1_HMAC), 290 PKCS11_ID(PKCS11_CKK_SHA224_HMAC), 291 PKCS11_ID(PKCS11_CKK_SHA256_HMAC), 292 PKCS11_ID(PKCS11_CKK_SHA384_HMAC), 293 PKCS11_ID(PKCS11_CKK_SHA512_HMAC), 294 PKCS11_ID(PKCS11_CKK_EC), 295 PKCS11_ID(PKCS11_CKK_RSA), 296 PKCS11_ID(PKCS11_CKK_UNDEFINED_ID) 297 }; 298 299 /* 300 * Processing IDs not exported in the TA API. 301 * PKCS11_CKM_* mechanism IDs are looked up from mechanism_string_id(). 302 */ 303 static const struct any_id __maybe_unused string_internal_processing[] = { 304 PKCS11_ID(PKCS11_PROCESSING_IMPORT), 305 }; 306 307 static const struct any_id __maybe_unused string_functions[] = { 308 PKCS11_ID(PKCS11_FUNCTION_IMPORT), 309 PKCS11_ID(PKCS11_FUNCTION_ENCRYPT), 310 PKCS11_ID(PKCS11_FUNCTION_DECRYPT), 311 PKCS11_ID(PKCS11_FUNCTION_SIGN), 312 PKCS11_ID(PKCS11_FUNCTION_VERIFY), 313 }; 314 315 /* 316 * Conversion between PKCS11 TA and GPD TEE return codes 317 */ 318 enum pkcs11_rc tee2pkcs_error(TEE_Result res) 319 { 320 switch (res) { 321 case TEE_SUCCESS: 322 return PKCS11_CKR_OK; 323 324 case TEE_ERROR_BAD_PARAMETERS: 325 return PKCS11_CKR_ARGUMENTS_BAD; 326 327 case TEE_ERROR_OUT_OF_MEMORY: 328 return PKCS11_CKR_DEVICE_MEMORY; 329 330 case TEE_ERROR_SHORT_BUFFER: 331 return PKCS11_CKR_BUFFER_TOO_SMALL; 332 333 case TEE_ERROR_MAC_INVALID: 334 case TEE_ERROR_SIGNATURE_INVALID: 335 return PKCS11_CKR_SIGNATURE_INVALID; 336 337 default: 338 return PKCS11_CKR_GENERAL_ERROR; 339 } 340 } 341 342 /* 343 * Helper functions to analyse PKCS11 identifiers 344 */ 345 346 /* Check attribute ID is known and size matches if fixed */ 347 bool valid_pkcs11_attribute_id(uint32_t id, uint32_t size) 348 { 349 size_t n = 0; 350 351 for (n = 0; n < ARRAY_SIZE(attr_ids); n++) 352 if (id == attr_ids[n].id) 353 return !attr_ids[n].size || size == attr_ids[n].size; 354 355 return false; 356 } 357 358 size_t pkcs11_attr_is_type(uint32_t attribute_id) 359 { 360 enum pkcs11_attr_id id = attribute_id; 361 362 switch (id) { 363 case PKCS11_CKA_KEY_TYPE: 364 case PKCS11_CKA_MECHANISM_TYPE: 365 case PKCS11_CKA_KEY_GEN_MECHANISM: 366 return sizeof(uint32_t); 367 default: 368 return 0; 369 } 370 } 371 372 bool pkcs11_attr_has_indirect_attributes(uint32_t attribute_id) 373 { 374 switch (attribute_id) { 375 case PKCS11_CKA_WRAP_TEMPLATE: 376 case PKCS11_CKA_UNWRAP_TEMPLATE: 377 case PKCS11_CKA_DERIVE_TEMPLATE: 378 return true; 379 default: 380 return false; 381 } 382 } 383 384 bool pkcs11_class_has_type(uint32_t class) 385 { 386 enum pkcs11_class_id class_id = class; 387 388 switch (class_id) { 389 case PKCS11_CKO_CERTIFICATE: 390 case PKCS11_CKO_PUBLIC_KEY: 391 case PKCS11_CKO_PRIVATE_KEY: 392 case PKCS11_CKO_SECRET_KEY: 393 case PKCS11_CKO_MECHANISM: 394 case PKCS11_CKO_HW_FEATURE: 395 return true; 396 default: 397 return false; 398 } 399 } 400 401 bool pkcs11_attr_class_is_key(uint32_t class) 402 { 403 enum pkcs11_class_id class_id = class; 404 405 switch (class_id) { 406 case PKCS11_CKO_SECRET_KEY: 407 case PKCS11_CKO_PUBLIC_KEY: 408 case PKCS11_CKO_PRIVATE_KEY: 409 return true; 410 default: 411 return false; 412 } 413 } 414 415 bool key_type_is_symm_key(uint32_t id) 416 { 417 enum pkcs11_key_type key_type = id; 418 419 switch (key_type) { 420 case PKCS11_CKK_AES: 421 case PKCS11_CKK_GENERIC_SECRET: 422 case PKCS11_CKK_MD5_HMAC: 423 case PKCS11_CKK_SHA_1_HMAC: 424 case PKCS11_CKK_SHA224_HMAC: 425 case PKCS11_CKK_SHA256_HMAC: 426 case PKCS11_CKK_SHA384_HMAC: 427 case PKCS11_CKK_SHA512_HMAC: 428 return true; 429 default: 430 return false; 431 } 432 } 433 434 bool key_type_is_asymm_key(uint32_t id) 435 { 436 enum pkcs11_key_type key_type = id; 437 438 switch (key_type) { 439 case PKCS11_CKK_EC: 440 case PKCS11_CKK_RSA: 441 return true; 442 default: 443 return false; 444 } 445 } 446 447 /* 448 * Returns shift position or -1 on error. 449 * Mainly used when PKCS11_SHEAD_WITH_BOOLPROPS is enabled 450 */ 451 int pkcs11_attr2boolprop_shift(uint32_t attr) 452 { 453 static const uint32_t bpa[] = { 454 [BPA_TOKEN] = PKCS11_CKA_TOKEN, 455 [BPA_PRIVATE] = PKCS11_CKA_PRIVATE, 456 [BPA_TRUSTED] = PKCS11_CKA_TRUSTED, 457 [BPA_SENSITIVE] = PKCS11_CKA_SENSITIVE, 458 [BPA_ENCRYPT] = PKCS11_CKA_ENCRYPT, 459 [BPA_DECRYPT] = PKCS11_CKA_DECRYPT, 460 [BPA_WRAP] = PKCS11_CKA_WRAP, 461 [BPA_UNWRAP] = PKCS11_CKA_UNWRAP, 462 [BPA_SIGN] = PKCS11_CKA_SIGN, 463 [BPA_SIGN_RECOVER] = PKCS11_CKA_SIGN_RECOVER, 464 [BPA_VERIFY] = PKCS11_CKA_VERIFY, 465 [BPA_VERIFY_RECOVER] = PKCS11_CKA_VERIFY_RECOVER, 466 [BPA_DERIVE] = PKCS11_CKA_DERIVE, 467 [BPA_EXTRACTABLE] = PKCS11_CKA_EXTRACTABLE, 468 [BPA_LOCAL] = PKCS11_CKA_LOCAL, 469 [BPA_NEVER_EXTRACTABLE] = PKCS11_CKA_NEVER_EXTRACTABLE, 470 [BPA_ALWAYS_SENSITIVE] = PKCS11_CKA_ALWAYS_SENSITIVE, 471 [BPA_MODIFIABLE] = PKCS11_CKA_MODIFIABLE, 472 [BPA_COPYABLE] = PKCS11_CKA_COPYABLE, 473 [BPA_DESTROYABLE] = PKCS11_CKA_DESTROYABLE, 474 [BPA_ALWAYS_AUTHENTICATE] = PKCS11_CKA_ALWAYS_AUTHENTICATE, 475 [BPA_WRAP_WITH_TRUSTED] = PKCS11_CKA_WRAP_WITH_TRUSTED, 476 }; 477 size_t pos = 0; 478 479 for (pos = 0; pos < ARRAY_SIZE(bpa); pos++) 480 if (bpa[pos] == attr) 481 return (int)pos; 482 483 return -1; 484 } 485 486 /* Initialize a TEE attribute for a target PKCS11 TA attribute in an object */ 487 bool pkcs2tee_load_attr(TEE_Attribute *tee_ref, uint32_t tee_id, 488 struct pkcs11_object *obj, 489 enum pkcs11_attr_id pkcs11_id) 490 { 491 void *a_ptr = NULL; 492 uint32_t a_size = 0; 493 494 if (get_attribute_ptr(obj->attributes, pkcs11_id, &a_ptr, &a_size)) 495 return false; 496 497 TEE_InitRefAttribute(tee_ref, tee_id, a_ptr, a_size); 498 499 return true; 500 } 501 502 /* 503 * Initialize a TEE attribute with hash of a target PKCS11 TA attribute 504 * in an object. 505 */ 506 enum pkcs11_rc pkcs2tee_load_hashed_attr(TEE_Attribute *tee_ref, 507 uint32_t tee_id, 508 struct pkcs11_object *obj, 509 enum pkcs11_attr_id pkcs11_id, 510 uint32_t tee_algo, void *hash_ptr, 511 uint32_t *hash_size) 512 { 513 TEE_OperationHandle handle = TEE_HANDLE_NULL; 514 void *a_ptr = NULL; 515 uint32_t a_size = 0; 516 enum pkcs11_rc rc = PKCS11_CKR_OK; 517 TEE_Result res = TEE_ERROR_GENERIC; 518 519 rc = get_attribute_ptr(obj->attributes, pkcs11_id, &a_ptr, &a_size); 520 if (rc) 521 return rc; 522 523 res = TEE_AllocateOperation(&handle, tee_algo, TEE_MODE_DIGEST, 0); 524 if (res) { 525 EMSG("TEE_AllocateOperation() failed %#"PRIx32, tee_algo); 526 return tee2pkcs_error(res); 527 } 528 529 res = TEE_DigestDoFinal(handle, a_ptr, a_size, hash_ptr, hash_size); 530 TEE_FreeOperation(handle); 531 if (res) { 532 EMSG("TEE_DigestDoFinal() failed %#"PRIx32, tee_algo); 533 return PKCS11_CKR_FUNCTION_FAILED; 534 } 535 536 TEE_InitRefAttribute(tee_ref, tee_id, hash_ptr, *hash_size); 537 538 return PKCS11_CKR_OK; 539 } 540 541 /* Easy conversion between PKCS11 TA function of TEE crypto mode */ 542 void pkcs2tee_mode(uint32_t *tee_id, enum processing_func function) 543 { 544 switch (function) { 545 case PKCS11_FUNCTION_ENCRYPT: 546 *tee_id = TEE_MODE_ENCRYPT; 547 break; 548 case PKCS11_FUNCTION_DECRYPT: 549 *tee_id = TEE_MODE_DECRYPT; 550 break; 551 case PKCS11_FUNCTION_SIGN: 552 *tee_id = TEE_MODE_SIGN; 553 break; 554 case PKCS11_FUNCTION_VERIFY: 555 *tee_id = TEE_MODE_VERIFY; 556 break; 557 case PKCS11_FUNCTION_DERIVE: 558 *tee_id = TEE_MODE_DERIVE; 559 break; 560 default: 561 TEE_Panic(function); 562 } 563 } 564 565 #if CFG_TEE_TA_LOG_LEVEL > 0 566 const char *id2str_rc(uint32_t id) 567 { 568 return ID2STR(id, string_rc, "PKCS11_CKR_"); 569 } 570 571 const char *id2str_ta_cmd(uint32_t id) 572 { 573 return ID2STR(id, string_ta_cmd, NULL); 574 } 575 576 const char *id2str_slot_flag(uint32_t id) 577 { 578 return ID2STR(id, string_slot_flags, "PKCS11_CKFS_"); 579 } 580 581 const char *id2str_token_flag(uint32_t id) 582 { 583 return ID2STR(id, string_token_flags, "PKCS11_CKFT_"); 584 } 585 586 const char *id2str_session_flag(uint32_t id) 587 { 588 return ID2STR(id, string_session_flags, "PKCS11_CKFSS_"); 589 } 590 591 const char *id2str_session_state(uint32_t id) 592 { 593 return ID2STR(id, string_session_state, "PKCS11_CKS_"); 594 } 595 596 const char *id2str_attr(uint32_t id) 597 { 598 size_t n = 0; 599 600 for (n = 0; n < ARRAY_SIZE(attr_ids); n++) { 601 if (id == attr_ids[n].id) { 602 /* Skip PKCS11_CKA_ prefix */ 603 return attr_ids[n].string + strlen("PKCS11_CKA_"); 604 } 605 } 606 607 return unknown; 608 } 609 610 const char *id2str_class(uint32_t id) 611 { 612 return ID2STR(id, string_class, "PKCS11_CKO_"); 613 } 614 615 const char *id2str_type(uint32_t id, uint32_t class) 616 { 617 enum pkcs11_class_id class_id = class; 618 enum pkcs11_key_type key_type = id; 619 620 switch (class_id) { 621 case PKCS11_CKO_SECRET_KEY: 622 case PKCS11_CKO_PUBLIC_KEY: 623 case PKCS11_CKO_PRIVATE_KEY: 624 return id2str_key_type(key_type); 625 default: 626 return unknown; 627 } 628 } 629 630 const char *id2str_key_type(uint32_t id) 631 { 632 return ID2STR(id, string_key_type, "PKCS11_CKK_"); 633 } 634 635 const char *id2str_attr_value(uint32_t id, size_t size, void *value) 636 { 637 static const char str_true[] = "TRUE"; 638 static const char str_false[] = "FALSE"; 639 static const char str_unknown[] = "*"; 640 uint32_t type = 0; 641 642 if (pkcs11_attr2boolprop_shift(id) >= 0) 643 return *(uint8_t *)value ? str_true : str_false; 644 645 if (size < sizeof(uint32_t)) 646 return str_unknown; 647 648 TEE_MemMove(&type, value, sizeof(uint32_t)); 649 650 switch (id) { 651 case PKCS11_CKA_CLASS: 652 return id2str_class(type); 653 case PKCS11_CKA_KEY_TYPE: 654 return id2str_key_type(type); 655 case PKCS11_CKA_MECHANISM_TYPE: 656 return id2str_mechanism(type); 657 default: 658 return str_unknown; 659 } 660 } 661 662 const char *id2str_proc(uint32_t id) 663 { 664 const char *str = ID2STR(id, string_internal_processing, 665 "PKCS11_PROCESSING_"); 666 667 if (str != unknown) 668 return str; 669 670 return id2str_mechanism(id); 671 } 672 673 const char *id2str_function(uint32_t id) 674 { 675 return ID2STR(id, string_functions, "PKCS11_FUNCTION_"); 676 } 677 #endif /*CFG_TEE_TA_LOG_LEVEL*/ 678