1 /* 2 * Copyright 2020-2023 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* We need to use some engine deprecated APIs */ 11 #define OPENSSL_SUPPRESS_DEPRECATED 12 13 #include <string.h> 14 #include <openssl/core_dispatch.h> 15 #include <openssl/core_names.h> 16 #include <openssl/params.h> 17 #include <openssl/err.h> 18 #include <openssl/evp.h> 19 #include <openssl/proverr.h> 20 #include <openssl/param_build.h> 21 #ifndef FIPS_MODULE 22 # include <openssl/engine.h> 23 #endif 24 #include "internal/param_build_set.h" 25 #include "prov/implementations.h" 26 #include "prov/providercommon.h" 27 #include "prov/provider_ctx.h" 28 #include "prov/macsignature.h" 29 30 static OSSL_FUNC_keymgmt_new_fn mac_new; 31 static OSSL_FUNC_keymgmt_free_fn mac_free; 32 static OSSL_FUNC_keymgmt_gen_init_fn mac_gen_init; 33 static OSSL_FUNC_keymgmt_gen_fn mac_gen; 34 static OSSL_FUNC_keymgmt_gen_cleanup_fn mac_gen_cleanup; 35 static OSSL_FUNC_keymgmt_gen_set_params_fn mac_gen_set_params; 36 static OSSL_FUNC_keymgmt_gen_settable_params_fn mac_gen_settable_params; 37 static OSSL_FUNC_keymgmt_get_params_fn mac_get_params; 38 static OSSL_FUNC_keymgmt_gettable_params_fn mac_gettable_params; 39 static OSSL_FUNC_keymgmt_set_params_fn mac_set_params; 40 static OSSL_FUNC_keymgmt_settable_params_fn mac_settable_params; 41 static OSSL_FUNC_keymgmt_has_fn mac_has; 42 static OSSL_FUNC_keymgmt_match_fn mac_match; 43 static OSSL_FUNC_keymgmt_import_fn mac_import; 44 static OSSL_FUNC_keymgmt_import_types_fn mac_imexport_types; 45 static OSSL_FUNC_keymgmt_export_fn mac_export; 46 static OSSL_FUNC_keymgmt_export_types_fn mac_imexport_types; 47 48 static OSSL_FUNC_keymgmt_new_fn mac_new_cmac; 49 static OSSL_FUNC_keymgmt_gettable_params_fn cmac_gettable_params; 50 static OSSL_FUNC_keymgmt_import_types_fn cmac_imexport_types; 51 static OSSL_FUNC_keymgmt_export_types_fn cmac_imexport_types; 52 static OSSL_FUNC_keymgmt_gen_init_fn cmac_gen_init; 53 static OSSL_FUNC_keymgmt_gen_set_params_fn cmac_gen_set_params; 54 static OSSL_FUNC_keymgmt_gen_settable_params_fn cmac_gen_settable_params; 55 56 struct mac_gen_ctx { 57 OSSL_LIB_CTX *libctx; 58 int selection; 59 unsigned char *priv_key; 60 size_t priv_key_len; 61 PROV_CIPHER cipher; 62 }; 63 64 MAC_KEY *ossl_mac_key_new(OSSL_LIB_CTX *libctx, int cmac) 65 { 66 MAC_KEY *mackey; 67 68 if (!ossl_prov_is_running()) 69 return NULL; 70 71 mackey = OPENSSL_zalloc(sizeof(*mackey)); 72 if (mackey == NULL) 73 return NULL; 74 75 mackey->lock = CRYPTO_THREAD_lock_new(); 76 if (mackey->lock == NULL) { 77 OPENSSL_free(mackey); 78 return NULL; 79 } 80 mackey->libctx = libctx; 81 mackey->refcnt = 1; 82 mackey->cmac = cmac; 83 84 return mackey; 85 } 86 87 void ossl_mac_key_free(MAC_KEY *mackey) 88 { 89 int ref = 0; 90 91 if (mackey == NULL) 92 return; 93 94 CRYPTO_DOWN_REF(&mackey->refcnt, &ref, mackey->lock); 95 if (ref > 0) 96 return; 97 98 OPENSSL_secure_clear_free(mackey->priv_key, mackey->priv_key_len); 99 OPENSSL_free(mackey->properties); 100 ossl_prov_cipher_reset(&mackey->cipher); 101 CRYPTO_THREAD_lock_free(mackey->lock); 102 OPENSSL_free(mackey); 103 } 104 105 int ossl_mac_key_up_ref(MAC_KEY *mackey) 106 { 107 int ref = 0; 108 109 /* This is effectively doing a new operation on the MAC_KEY and should be 110 * adequately guarded again modules' error states. However, both current 111 * calls here are guarded propery in signature/mac_legacy.c. Thus, it 112 * could be removed here. The concern is that something in the future 113 * might call this function without adequate guards. It's a cheap call, 114 * it seems best to leave it even though it is currently redundant. 115 */ 116 if (!ossl_prov_is_running()) 117 return 0; 118 119 CRYPTO_UP_REF(&mackey->refcnt, &ref, mackey->lock); 120 return 1; 121 } 122 123 static void *mac_new(void *provctx) 124 { 125 return ossl_mac_key_new(PROV_LIBCTX_OF(provctx), 0); 126 } 127 128 static void *mac_new_cmac(void *provctx) 129 { 130 return ossl_mac_key_new(PROV_LIBCTX_OF(provctx), 1); 131 } 132 133 static void mac_free(void *mackey) 134 { 135 ossl_mac_key_free(mackey); 136 } 137 138 static int mac_has(const void *keydata, int selection) 139 { 140 const MAC_KEY *key = keydata; 141 int ok = 0; 142 143 if (ossl_prov_is_running() && key != NULL) { 144 /* 145 * MAC keys always have all the parameters they need (i.e. none). 146 * Therefore we always return with 1, if asked about parameters. 147 * Similarly for public keys. 148 */ 149 ok = 1; 150 151 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) 152 ok = key->priv_key != NULL; 153 } 154 return ok; 155 } 156 157 static int mac_match(const void *keydata1, const void *keydata2, int selection) 158 { 159 const MAC_KEY *key1 = keydata1; 160 const MAC_KEY *key2 = keydata2; 161 int ok = 1; 162 163 if (!ossl_prov_is_running()) 164 return 0; 165 166 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) { 167 if ((key1->priv_key == NULL && key2->priv_key != NULL) 168 || (key1->priv_key != NULL && key2->priv_key == NULL) 169 || key1->priv_key_len != key2->priv_key_len 170 || (key1->cipher.cipher == NULL && key2->cipher.cipher != NULL) 171 || (key1->cipher.cipher != NULL && key2->cipher.cipher == NULL)) 172 ok = 0; 173 else 174 ok = ok && (key1->priv_key == NULL /* implies key2->privkey == NULL */ 175 || CRYPTO_memcmp(key1->priv_key, key2->priv_key, 176 key1->priv_key_len) == 0); 177 if (key1->cipher.cipher != NULL) 178 ok = ok && EVP_CIPHER_is_a(key1->cipher.cipher, 179 EVP_CIPHER_get0_name(key2->cipher.cipher)); 180 } 181 return ok; 182 } 183 184 static int mac_key_fromdata(MAC_KEY *key, const OSSL_PARAM params[]) 185 { 186 const OSSL_PARAM *p; 187 188 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY); 189 if (p != NULL) { 190 if (p->data_type != OSSL_PARAM_OCTET_STRING) { 191 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); 192 return 0; 193 } 194 OPENSSL_secure_clear_free(key->priv_key, key->priv_key_len); 195 /* allocate at least one byte to distinguish empty key from no key set */ 196 key->priv_key = OPENSSL_secure_malloc(p->data_size > 0 ? p->data_size : 1); 197 if (key->priv_key == NULL) { 198 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); 199 return 0; 200 } 201 memcpy(key->priv_key, p->data, p->data_size); 202 key->priv_key_len = p->data_size; 203 } 204 205 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PROPERTIES); 206 if (p != NULL) { 207 if (p->data_type != OSSL_PARAM_UTF8_STRING) { 208 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); 209 return 0; 210 } 211 OPENSSL_free(key->properties); 212 key->properties = OPENSSL_strdup(p->data); 213 if (key->properties == NULL) { 214 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); 215 return 0; 216 } 217 } 218 219 if (key->cmac && !ossl_prov_cipher_load_from_params(&key->cipher, params, 220 key->libctx)) { 221 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); 222 return 0; 223 } 224 225 if (key->priv_key != NULL) 226 return 1; 227 228 return 0; 229 } 230 231 static int mac_import(void *keydata, int selection, const OSSL_PARAM params[]) 232 { 233 MAC_KEY *key = keydata; 234 235 if (!ossl_prov_is_running() || key == NULL) 236 return 0; 237 238 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) == 0) 239 return 0; 240 241 return mac_key_fromdata(key, params); 242 } 243 244 static int key_to_params(MAC_KEY *key, OSSL_PARAM_BLD *tmpl, 245 OSSL_PARAM params[]) 246 { 247 if (key == NULL) 248 return 0; 249 250 if (key->priv_key != NULL 251 && !ossl_param_build_set_octet_string(tmpl, params, 252 OSSL_PKEY_PARAM_PRIV_KEY, 253 key->priv_key, key->priv_key_len)) 254 return 0; 255 256 if (key->cipher.cipher != NULL 257 && !ossl_param_build_set_utf8_string(tmpl, params, 258 OSSL_PKEY_PARAM_CIPHER, 259 EVP_CIPHER_get0_name(key->cipher.cipher))) 260 return 0; 261 262 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE) 263 if (key->cipher.engine != NULL 264 && !ossl_param_build_set_utf8_string(tmpl, params, 265 OSSL_PKEY_PARAM_ENGINE, 266 ENGINE_get_id(key->cipher.engine))) 267 return 0; 268 #endif 269 270 return 1; 271 } 272 273 static int mac_export(void *keydata, int selection, OSSL_CALLBACK *param_cb, 274 void *cbarg) 275 { 276 MAC_KEY *key = keydata; 277 OSSL_PARAM_BLD *tmpl; 278 OSSL_PARAM *params = NULL; 279 int ret = 0; 280 281 if (!ossl_prov_is_running() || key == NULL) 282 return 0; 283 284 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) == 0) 285 return 0; 286 287 tmpl = OSSL_PARAM_BLD_new(); 288 if (tmpl == NULL) 289 return 0; 290 291 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0 292 && !key_to_params(key, tmpl, NULL)) 293 goto err; 294 295 params = OSSL_PARAM_BLD_to_param(tmpl); 296 if (params == NULL) 297 goto err; 298 299 ret = param_cb(params, cbarg); 300 OSSL_PARAM_free(params); 301 err: 302 OSSL_PARAM_BLD_free(tmpl); 303 return ret; 304 } 305 306 static const OSSL_PARAM mac_key_types[] = { 307 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0), 308 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_PROPERTIES, NULL, 0), 309 OSSL_PARAM_END 310 }; 311 static const OSSL_PARAM *mac_imexport_types(int selection) 312 { 313 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) 314 return mac_key_types; 315 return NULL; 316 } 317 318 static const OSSL_PARAM cmac_key_types[] = { 319 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0), 320 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_CIPHER, NULL, 0), 321 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_ENGINE, NULL, 0), 322 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_PROPERTIES, NULL, 0), 323 OSSL_PARAM_END 324 }; 325 static const OSSL_PARAM *cmac_imexport_types(int selection) 326 { 327 if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0) 328 return cmac_key_types; 329 return NULL; 330 } 331 332 static int mac_get_params(void *key, OSSL_PARAM params[]) 333 { 334 return key_to_params(key, NULL, params); 335 } 336 337 static const OSSL_PARAM *mac_gettable_params(void *provctx) 338 { 339 static const OSSL_PARAM gettable_params[] = { 340 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0), 341 OSSL_PARAM_END 342 }; 343 return gettable_params; 344 } 345 346 static const OSSL_PARAM *cmac_gettable_params(void *provctx) 347 { 348 static const OSSL_PARAM gettable_params[] = { 349 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0), 350 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_CIPHER, NULL, 0), 351 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_ENGINE, NULL, 0), 352 OSSL_PARAM_END 353 }; 354 return gettable_params; 355 } 356 357 static int mac_set_params(void *keydata, const OSSL_PARAM params[]) 358 { 359 MAC_KEY *key = keydata; 360 const OSSL_PARAM *p; 361 362 if (key == NULL) 363 return 0; 364 365 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY); 366 if (p != NULL) 367 return mac_key_fromdata(key, params); 368 369 return 1; 370 } 371 372 static const OSSL_PARAM *mac_settable_params(void *provctx) 373 { 374 static const OSSL_PARAM settable_params[] = { 375 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0), 376 OSSL_PARAM_END 377 }; 378 return settable_params; 379 } 380 381 static void *mac_gen_init_common(void *provctx, int selection) 382 { 383 OSSL_LIB_CTX *libctx = PROV_LIBCTX_OF(provctx); 384 struct mac_gen_ctx *gctx = NULL; 385 386 if (!ossl_prov_is_running()) 387 return NULL; 388 389 if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) { 390 gctx->libctx = libctx; 391 gctx->selection = selection; 392 } 393 return gctx; 394 } 395 396 static void *mac_gen_init(void *provctx, int selection, 397 const OSSL_PARAM params[]) 398 { 399 struct mac_gen_ctx *gctx = mac_gen_init_common(provctx, selection); 400 401 if (gctx != NULL && !mac_gen_set_params(gctx, params)) { 402 OPENSSL_free(gctx); 403 gctx = NULL; 404 } 405 return gctx; 406 } 407 408 static void *cmac_gen_init(void *provctx, int selection, 409 const OSSL_PARAM params[]) 410 { 411 struct mac_gen_ctx *gctx = mac_gen_init_common(provctx, selection); 412 413 if (gctx != NULL && !cmac_gen_set_params(gctx, params)) { 414 OPENSSL_free(gctx); 415 gctx = NULL; 416 } 417 return gctx; 418 } 419 420 static int mac_gen_set_params(void *genctx, const OSSL_PARAM params[]) 421 { 422 struct mac_gen_ctx *gctx = genctx; 423 const OSSL_PARAM *p; 424 425 if (gctx == NULL) 426 return 0; 427 428 p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY); 429 if (p != NULL) { 430 if (p->data_type != OSSL_PARAM_OCTET_STRING) { 431 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); 432 return 0; 433 } 434 gctx->priv_key = OPENSSL_secure_malloc(p->data_size); 435 if (gctx->priv_key == NULL) { 436 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); 437 return 0; 438 } 439 memcpy(gctx->priv_key, p->data, p->data_size); 440 gctx->priv_key_len = p->data_size; 441 } 442 443 return 1; 444 } 445 446 static int cmac_gen_set_params(void *genctx, const OSSL_PARAM params[]) 447 { 448 struct mac_gen_ctx *gctx = genctx; 449 450 if (!mac_gen_set_params(genctx, params)) 451 return 0; 452 453 if (!ossl_prov_cipher_load_from_params(&gctx->cipher, params, 454 gctx->libctx)) { 455 ERR_raise(ERR_LIB_PROV, ERR_R_PASSED_INVALID_ARGUMENT); 456 return 0; 457 } 458 459 return 1; 460 } 461 462 static const OSSL_PARAM *mac_gen_settable_params(ossl_unused void *genctx, 463 ossl_unused void *provctx) 464 { 465 static OSSL_PARAM settable[] = { 466 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0), 467 OSSL_PARAM_END 468 }; 469 return settable; 470 } 471 472 static const OSSL_PARAM *cmac_gen_settable_params(ossl_unused void *genctx, 473 ossl_unused void *provctx) 474 { 475 static OSSL_PARAM settable[] = { 476 OSSL_PARAM_octet_string(OSSL_PKEY_PARAM_PRIV_KEY, NULL, 0), 477 OSSL_PARAM_utf8_string(OSSL_PKEY_PARAM_CIPHER, NULL, 0), 478 OSSL_PARAM_END 479 }; 480 return settable; 481 } 482 483 static void *mac_gen(void *genctx, OSSL_CALLBACK *cb, void *cbarg) 484 { 485 struct mac_gen_ctx *gctx = genctx; 486 MAC_KEY *key; 487 488 if (!ossl_prov_is_running() || gctx == NULL) 489 return NULL; 490 491 if ((key = ossl_mac_key_new(gctx->libctx, 0)) == NULL) { 492 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); 493 return NULL; 494 } 495 496 /* If we're doing parameter generation then we just return a blank key */ 497 if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) == 0) 498 return key; 499 500 if (gctx->priv_key == NULL) { 501 ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY); 502 ossl_mac_key_free(key); 503 return NULL; 504 } 505 506 /* 507 * This is horrible but required for backwards compatibility. We don't 508 * actually do real key generation at all. We simply copy the key that was 509 * previously set in the gctx. Hopefully at some point in the future all 510 * of this can be removed and we will only support the EVP_KDF APIs. 511 */ 512 if (!ossl_prov_cipher_copy(&key->cipher, &gctx->cipher)) { 513 ossl_mac_key_free(key); 514 ERR_raise(ERR_LIB_PROV, ERR_R_INTERNAL_ERROR); 515 return NULL; 516 } 517 ossl_prov_cipher_reset(&gctx->cipher); 518 key->priv_key = gctx->priv_key; 519 key->priv_key_len = gctx->priv_key_len; 520 gctx->priv_key_len = 0; 521 gctx->priv_key = NULL; 522 523 return key; 524 } 525 526 static void mac_gen_cleanup(void *genctx) 527 { 528 struct mac_gen_ctx *gctx = genctx; 529 530 OPENSSL_secure_clear_free(gctx->priv_key, gctx->priv_key_len); 531 ossl_prov_cipher_reset(&gctx->cipher); 532 OPENSSL_free(gctx); 533 } 534 535 const OSSL_DISPATCH ossl_mac_legacy_keymgmt_functions[] = { 536 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))mac_new }, 537 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))mac_free }, 538 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))mac_get_params }, 539 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))mac_gettable_params }, 540 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))mac_set_params }, 541 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))mac_settable_params }, 542 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))mac_has }, 543 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))mac_match }, 544 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))mac_import }, 545 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))mac_imexport_types }, 546 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))mac_export }, 547 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))mac_imexport_types }, 548 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))mac_gen_init }, 549 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))mac_gen_set_params }, 550 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS, 551 (void (*)(void))mac_gen_settable_params }, 552 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))mac_gen }, 553 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))mac_gen_cleanup }, 554 { 0, NULL } 555 }; 556 557 const OSSL_DISPATCH ossl_cmac_legacy_keymgmt_functions[] = { 558 { OSSL_FUNC_KEYMGMT_NEW, (void (*)(void))mac_new_cmac }, 559 { OSSL_FUNC_KEYMGMT_FREE, (void (*)(void))mac_free }, 560 { OSSL_FUNC_KEYMGMT_GET_PARAMS, (void (*) (void))mac_get_params }, 561 { OSSL_FUNC_KEYMGMT_GETTABLE_PARAMS, (void (*) (void))cmac_gettable_params }, 562 { OSSL_FUNC_KEYMGMT_SET_PARAMS, (void (*) (void))mac_set_params }, 563 { OSSL_FUNC_KEYMGMT_SETTABLE_PARAMS, (void (*) (void))mac_settable_params }, 564 { OSSL_FUNC_KEYMGMT_HAS, (void (*)(void))mac_has }, 565 { OSSL_FUNC_KEYMGMT_MATCH, (void (*)(void))mac_match }, 566 { OSSL_FUNC_KEYMGMT_IMPORT, (void (*)(void))mac_import }, 567 { OSSL_FUNC_KEYMGMT_IMPORT_TYPES, (void (*)(void))cmac_imexport_types }, 568 { OSSL_FUNC_KEYMGMT_EXPORT, (void (*)(void))mac_export }, 569 { OSSL_FUNC_KEYMGMT_EXPORT_TYPES, (void (*)(void))cmac_imexport_types }, 570 { OSSL_FUNC_KEYMGMT_GEN_INIT, (void (*)(void))cmac_gen_init }, 571 { OSSL_FUNC_KEYMGMT_GEN_SET_PARAMS, (void (*)(void))cmac_gen_set_params }, 572 { OSSL_FUNC_KEYMGMT_GEN_SETTABLE_PARAMS, 573 (void (*)(void))cmac_gen_settable_params }, 574 { OSSL_FUNC_KEYMGMT_GEN, (void (*)(void))mac_gen }, 575 { OSSL_FUNC_KEYMGMT_GEN_CLEANUP, (void (*)(void))mac_gen_cleanup }, 576 { 0, NULL } 577 }; 578 579