providers/fips/fipsprov.c

   1 /*
   2  * Copyright 2019-2020 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 #include <openssl/core_dispatch.h>
  11 #include <openssl/core_names.h>
  12 #include <openssl/params.h>
  13 #include <openssl/obj_mac.h> /* NIDs used by ossl_prov_util_nid_to_name() */
  14 #include <openssl/fips_names.h>
  15 #include <openssl/rand.h> /* RAND_get0_public() */
  16 #include "internal/cryptlib.h"
  17 #include "prov/implementations.h"
  18 #include "prov/provider_ctx.h"
  19 #include "prov/providercommon.h"
  20 #include "prov/providercommonerr.h"
  21 #include "prov/provider_util.h"
  22 #include "self_test.h"
  23
  24 static const char FIPS_DEFAULT_PROPERTIES[] = "provider=fips,fips=yes";
  25 static const char FIPS_UNAPPROVED_PROPERTIES[] = "provider=fips,fips=no";
  26
  27 /*
  28  * Forward declarations to ensure that interface functions are correctly
  29  * defined.
  30  */
  31 static OSSL_FUNC_provider_teardown_fn fips_teardown;
  32 static OSSL_FUNC_provider_gettable_params_fn fips_gettable_params;
  33 static OSSL_FUNC_provider_get_params_fn fips_get_params;
  34 static OSSL_FUNC_provider_query_operation_fn fips_query;
  35
  36 #define ALGC(NAMES, FUNC, CHECK) { { NAMES, FIPS_DEFAULT_PROPERTIES, FUNC }, CHECK }
  37 #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
  38
  39 extern OSSL_FUNC_core_thread_start_fn *c_thread_start;
  40
  41 /*
  42  * TODO(3.0): Should these be stored in the provider side provctx? Could they
  43  * ever be different from one init to the next? Unfortunately we can't do this
  44  * at the moment because c_put_error/c_add_error_vdata do not provide
  45  * us with the OPENSSL_CTX as a parameter.
  46  */
  47
  48 static SELF_TEST_POST_PARAMS selftest_params;
  49
  50 /* Functions provided by the core */
  51 static OSSL_FUNC_core_gettable_params_fn *c_gettable_params;
  52 static OSSL_FUNC_core_get_params_fn *c_get_params;
  53 OSSL_FUNC_core_thread_start_fn *c_thread_start;
  54 static OSSL_FUNC_core_new_error_fn *c_new_error;
  55 static OSSL_FUNC_core_set_error_debug_fn *c_set_error_debug;
  56 static OSSL_FUNC_core_vset_error_fn *c_vset_error;
  57 static OSSL_FUNC_core_set_error_mark_fn *c_set_error_mark;
  58 static OSSL_FUNC_core_clear_last_error_mark_fn *c_clear_last_error_mark;
  59 static OSSL_FUNC_core_pop_error_to_mark_fn *c_pop_error_to_mark;
  60 static OSSL_FUNC_CRYPTO_malloc_fn *c_CRYPTO_malloc;
  61 static OSSL_FUNC_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
  62 static OSSL_FUNC_CRYPTO_free_fn *c_CRYPTO_free;
  63 static OSSL_FUNC_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
  64 static OSSL_FUNC_CRYPTO_realloc_fn *c_CRYPTO_realloc;
  65 static OSSL_FUNC_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
  66 static OSSL_FUNC_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
  67 static OSSL_FUNC_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
  68 static OSSL_FUNC_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
  69 static OSSL_FUNC_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
  70 static OSSL_FUNC_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
  71 static OSSL_FUNC_BIO_vsnprintf_fn *c_BIO_vsnprintf;
  72 static OSSL_FUNC_self_test_cb_fn *c_stcbfn = NULL;
  73 static OSSL_FUNC_core_get_library_context_fn *c_get_libctx = NULL;
  74
  75 typedef struct fips_global_st {
  76     const OSSL_CORE_HANDLE *handle;
  77 } FIPS_GLOBAL;
  78
  79 static void *fips_prov_ossl_ctx_new(OPENSSL_CTX *libctx)
  80 {
  81     FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl));
  82
  83     return fgbl;
  84 }
  85
  86 static void fips_prov_ossl_ctx_free(void *fgbl)
  87 {
  88     OPENSSL_free(fgbl);
  89 }
  90
  91 static const OPENSSL_CTX_METHOD fips_prov_ossl_ctx_method = {
  92     fips_prov_ossl_ctx_new,
  93     fips_prov_ossl_ctx_free,
  94 };
  95
  96
  97 /* Parameters we provide to the core */
  98 static const OSSL_PARAM fips_param_types[] = {
  99     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
 100     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
 101     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
 102     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_UNSIGNED_INTEGER, NULL, 0),
 103     OSSL_PARAM_END
 104 };
 105
 106 /*
 107  * Parameters to retrieve from the core provider - required for self testing.
 108  * NOTE: inside core_get_params() these will be loaded from config items
 109  * stored inside prov->parameters (except for
 110  * OSSL_PROV_PARAM_CORE_MODULE_FILENAME).
 111  */
 112 static OSSL_PARAM core_params[] =
 113 {
 114     OSSL_PARAM_utf8_ptr(OSSL_PROV_PARAM_CORE_MODULE_FILENAME,
 115                         selftest_params.module_filename,
 116                         sizeof(selftest_params.module_filename)),
 117     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_MODULE_MAC,
 118                         selftest_params.module_checksum_data,
 119                         sizeof(selftest_params.module_checksum_data)),
 120     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_MAC,
 121                         selftest_params.indicator_checksum_data,
 122                         sizeof(selftest_params.indicator_checksum_data)),
 123     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
 124                         selftest_params.indicator_data,
 125                         sizeof(selftest_params.indicator_data)),
 126     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
 127                         selftest_params.indicator_version,
 128                         sizeof(selftest_params.indicator_version)),
 129     OSSL_PARAM_END
 130 };
 131
 132 static const OSSL_PARAM *fips_gettable_params(void *provctx)
 133 {
 134     return fips_param_types;
 135 }
 136
 137 static int fips_get_params(void *provctx, OSSL_PARAM params[])
 138 {
 139     OSSL_PARAM *p;
 140
 141     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
 142     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
 143         return 0;
 144     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
 145     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
 146         return 0;
 147     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
 148     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
 149         return 0;
 150     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
 151     if (p != NULL && !OSSL_PARAM_set_uint(p, FIPS_is_running()))
 152         return 0;
 153     return 1;
 154 }
 155
 156 static void set_self_test_cb(const OSSL_CORE_HANDLE *handle)
 157 {
 158     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 159         c_stcbfn(c_get_libctx(handle), &selftest_params.cb,
 160                               &selftest_params.cb_arg);
 161     } else {
 162         selftest_params.cb = NULL;
 163         selftest_params.cb_arg = NULL;
 164     }
 165 }
 166
 167 static int fips_self_test(void *provctx)
 168 {
 169     set_self_test_cb(FIPS_get_core_handle(selftest_params.libctx));
 170     return SELF_TEST_post(&selftest_params, 1) ? 1 : 0;
 171 }
 172
 173 /* FIPS specific version of the function of the same name in provlib.c */
 174 /* TODO(3.0) - Is this function needed ? */
 175 const char *ossl_prov_util_nid_to_name(int nid)
 176 {
 177     /* We don't have OBJ_nid2n() in FIPS_MODULE so we have an explicit list */
 178
 179     switch (nid) {
 180     /* Digests */
 181     case NID_sha1:
 182         return "SHA1";
 183     case NID_sha224:
 184         return "SHA-224";
 185     case NID_sha256:
 186         return "SHA-256";
 187     case NID_sha384:
 188         return "SHA-384";
 189     case NID_sha512:
 190         return "SHA-512";
 191     case NID_sha512_224:
 192         return "SHA-512/224";
 193     case NID_sha512_256:
 194         return "SHA-512/256";
 195     case NID_sha3_224:
 196         return "SHA3-224";
 197     case NID_sha3_256:
 198         return "SHA3-256";
 199     case NID_sha3_384:
 200         return "SHA3-384";
 201     case NID_sha3_512:
 202         return "SHA3-512";
 203
 204     /* Ciphers */
 205     case NID_aes_256_ecb:
 206         return "AES-256-ECB";
 207     case NID_aes_192_ecb:
 208         return "AES-192-ECB";
 209     case NID_aes_128_ecb:
 210         return "AES-128-ECB";
 211     case NID_aes_256_cbc:
 212         return "AES-256-CBC";
 213     case NID_aes_192_cbc:
 214         return "AES-192-CBC";
 215     case NID_aes_128_cbc:
 216         return "AES-128-CBC";
 217     case NID_aes_256_ctr:
 218         return "AES-256-CTR";
 219     case NID_aes_192_ctr:
 220         return "AES-192-CTR";
 221     case NID_aes_128_ctr:
 222         return "AES-128-CTR";
 223     case NID_aes_256_xts:
 224         return "AES-256-XTS";
 225     case NID_aes_128_xts:
 226         return "AES-128-XTS";
 227     case NID_aes_256_gcm:
 228         return "AES-256-GCM";
 229     case NID_aes_192_gcm:
 230         return "AES-192-GCM";
 231     case NID_aes_128_gcm:
 232         return "AES-128-GCM";
 233     case NID_aes_256_ccm:
 234         return "AES-256-CCM";
 235     case NID_aes_192_ccm:
 236         return "AES-192-CCM";
 237     case NID_aes_128_ccm:
 238         return "AES-128-CCM";
 239     case NID_id_aes256_wrap:
 240         return "AES-256-WRAP";
 241     case NID_id_aes192_wrap:
 242         return "AES-192-WRAP";
 243     case NID_id_aes128_wrap:
 244         return "AES-128-WRAP";
 245     case NID_id_aes256_wrap_pad:
 246         return "AES-256-WRAP-PAD";
 247     case NID_id_aes192_wrap_pad:
 248         return "AES-192-WRAP-PAD";
 249     case NID_id_aes128_wrap_pad:
 250         return "AES-128-WRAP-PAD";
 251     case NID_des_ede3_ecb:
 252         return "DES-EDE3";
 253     case NID_des_ede3_cbc:
 254         return "DES-EDE3-CBC";
 255     case NID_aes_256_cbc_hmac_sha256:
 256         return "AES-256-CBC-HMAC-SHA256";
 257     case NID_aes_128_cbc_hmac_sha256:
 258         return "AES-128-CBC-HMAC-SHA256";
 259     case NID_aes_256_cbc_hmac_sha1:
 260         return "AES-256-CBC-HMAC-SHA1";
 261     case NID_aes_128_cbc_hmac_sha1:
 262         return "AES-128-CBC-HMAC-SHA1";
 263     default:
 264         break;
 265     }
 266
 267     return NULL;
 268 }
 269
 270 /*
 271  * For the algorithm names, we use the following formula for our primary
 272  * names:
 273  *
 274  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
 275  *
 276  *     VERSION is only present if there are multiple versions of
 277  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
 278  *     one version (if a subsequent version is released in the future,
 279  *     we can always change the canonical name, and add the old name
 280  *     as an alias).
 281  *
 282  *     SUBNAME may be present where we are combining multiple
 283  *     algorithms together, e.g. MD5-SHA1.
 284  *
 285  *     SIZE is only present if multiple versions of an algorithm exist
 286  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
 287  *
 288  *     MODE is only present where applicable.
 289  *
 290  * We add diverse other names where applicable, such as the names that
 291  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
 292  * we have used historically.
 293  */
 294 static const OSSL_ALGORITHM fips_digests[] = {
 295     /* Our primary name:NiST name[:our older names] */
 296     { "SHA1:SHA-1:SSL3-SHA1", FIPS_DEFAULT_PROPERTIES, sha1_functions },
 297     { "SHA2-224:SHA-224:SHA224", FIPS_DEFAULT_PROPERTIES, sha224_functions },
 298     { "SHA2-256:SHA-256:SHA256", FIPS_DEFAULT_PROPERTIES, sha256_functions },
 299     { "SHA2-384:SHA-384:SHA384", FIPS_DEFAULT_PROPERTIES, sha384_functions },
 300     { "SHA2-512:SHA-512:SHA512", FIPS_DEFAULT_PROPERTIES, sha512_functions },
 301     { "SHA2-512/224:SHA-512/224:SHA512-224", FIPS_DEFAULT_PROPERTIES,
 302       sha512_224_functions },
 303     { "SHA2-512/256:SHA-512/256:SHA512-256", FIPS_DEFAULT_PROPERTIES,
 304       sha512_256_functions },
 305
 306     /* We agree with NIST here, so one name only */
 307     { "SHA3-224", FIPS_DEFAULT_PROPERTIES, sha3_224_functions },
 308     { "SHA3-256", FIPS_DEFAULT_PROPERTIES, sha3_256_functions },
 309     { "SHA3-384", FIPS_DEFAULT_PROPERTIES, sha3_384_functions },
 310     { "SHA3-512", FIPS_DEFAULT_PROPERTIES, sha3_512_functions },
 311
 312     { "SHAKE-128:SHAKE128", FIPS_DEFAULT_PROPERTIES, shake_128_functions },
 313     { "SHAKE-256:SHAKE256", FIPS_DEFAULT_PROPERTIES, shake_256_functions },
 314
 315     /*
 316      * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
 317      * KMAC128 and KMAC256.
 318      */
 319     { "KECCAK-KMAC-128:KECCAK-KMAC128", FIPS_DEFAULT_PROPERTIES,
 320       keccak_kmac_128_functions },
 321     { "KECCAK-KMAC-256:KECCAK-KMAC256", FIPS_DEFAULT_PROPERTIES,
 322       keccak_kmac_256_functions },
 323     { NULL, NULL, NULL }
 324 };
 325
 326 static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = {
 327     /* Our primary name[:ASN.1 OID name][:our older names] */
 328     ALG("AES-256-ECB", aes256ecb_functions),
 329     ALG("AES-192-ECB", aes192ecb_functions),
 330     ALG("AES-128-ECB", aes128ecb_functions),
 331     ALG("AES-256-CBC:AES256", aes256cbc_functions),
 332     ALG("AES-192-CBC:AES192", aes192cbc_functions),
 333     ALG("AES-128-CBC:AES128", aes128cbc_functions),
 334     ALG("AES-256-CBC-CTS", aes256cbc_cts_functions),
 335     ALG("AES-192-CBC-CTS", aes192cbc_cts_functions),
 336     ALG("AES-128-CBC-CTS", aes128cbc_cts_functions),
 337     ALG("AES-256-OFB", aes256ofb_functions),
 338     ALG("AES-192-OFB", aes192ofb_functions),
 339     ALG("AES-128-OFB", aes128ofb_functions),
 340     ALG("AES-256-CFB", aes256cfb_functions),
 341     ALG("AES-192-CFB", aes192cfb_functions),
 342     ALG("AES-128-CFB", aes128cfb_functions),
 343     ALG("AES-256-CFB1", aes256cfb1_functions),
 344     ALG("AES-192-CFB1", aes192cfb1_functions),
 345     ALG("AES-128-CFB1", aes128cfb1_functions),
 346     ALG("AES-256-CFB8", aes256cfb8_functions),
 347     ALG("AES-192-CFB8", aes192cfb8_functions),
 348     ALG("AES-128-CFB8", aes128cfb8_functions),
 349     ALG("AES-256-CTR", aes256ctr_functions),
 350     ALG("AES-192-CTR", aes192ctr_functions),
 351     ALG("AES-128-CTR", aes128ctr_functions),
 352     ALG("AES-256-XTS", aes256xts_functions),
 353     ALG("AES-128-XTS", aes128xts_functions),
 354     ALG("AES-256-GCM:id-aes256-GCM", aes256gcm_functions),
 355     ALG("AES-192-GCM:id-aes192-GCM", aes192gcm_functions),
 356     ALG("AES-128-GCM:id-aes128-GCM", aes128gcm_functions),
 357     ALG("AES-256-CCM:id-aes256-CCM", aes256ccm_functions),
 358     ALG("AES-192-CCM:id-aes192-CCM", aes192ccm_functions),
 359     ALG("AES-128-CCM:id-aes128-CCM", aes128ccm_functions),
 360     ALG("AES-256-WRAP:id-aes256-wrap:AES256-WRAP", aes256wrap_functions),
 361     ALG("AES-192-WRAP:id-aes192-wrap:AES192-WRAP", aes192wrap_functions),
 362     ALG("AES-128-WRAP:id-aes128-wrap:AES128-WRAP", aes128wrap_functions),
 363     ALG("AES-256-WRAP-PAD:id-aes256-wrap-pad:AES256-WRAP-PAD",
 364         aes256wrappad_functions),
 365     ALG("AES-192-WRAP-PAD:id-aes192-wrap-pad:AES192-WRAP-PAD",
 366         aes192wrappad_functions),
 367     ALG("AES-128-WRAP-PAD:id-aes128-wrap-pad:AES128-WRAP-PAD",
 368         aes128wrappad_functions),
 369     ALGC("AES-128-CBC-HMAC-SHA1", aes128cbc_hmac_sha1_functions,
 370          cipher_capable_aes_cbc_hmac_sha1),
 371     ALGC("AES-256-CBC-HMAC-SHA1", aes256cbc_hmac_sha1_functions,
 372          cipher_capable_aes_cbc_hmac_sha1),
 373     ALGC("AES-128-CBC-HMAC-SHA256", aes128cbc_hmac_sha256_functions,
 374          cipher_capable_aes_cbc_hmac_sha256),
 375     ALGC("AES-256-CBC-HMAC-SHA256", aes256cbc_hmac_sha256_functions,
 376          cipher_capable_aes_cbc_hmac_sha256),
 377 #ifndef OPENSSL_NO_DES
 378     ALG("DES-EDE3-ECB:DES-EDE3", tdes_ede3_ecb_functions),
 379     ALG("DES-EDE3-CBC:DES3", tdes_ede3_cbc_functions),
 380 #endif  /* OPENSSL_NO_DES */
 381     { { NULL, NULL, NULL }, NULL }
 382 };
 383 static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)];
 384
 385 static const OSSL_ALGORITHM fips_macs[] = {
 386 #ifndef OPENSSL_NO_CMAC
 387     { "CMAC", FIPS_DEFAULT_PROPERTIES, cmac_functions },
 388 #endif
 389     { "GMAC", FIPS_DEFAULT_PROPERTIES, gmac_functions },
 390     { "HMAC", FIPS_DEFAULT_PROPERTIES, hmac_functions },
 391     { "KMAC-128:KMAC128", FIPS_DEFAULT_PROPERTIES, kmac128_functions },
 392     { "KMAC-256:KMAC256", FIPS_DEFAULT_PROPERTIES, kmac256_functions },
 393     { NULL, NULL, NULL }
 394 };
 395
 396 static const OSSL_ALGORITHM fips_kdfs[] = {
 397     { "HKDF", FIPS_DEFAULT_PROPERTIES, kdf_hkdf_functions },
 398     { "SSKDF", FIPS_DEFAULT_PROPERTIES, kdf_sskdf_functions },
 399     { "PBKDF2", FIPS_DEFAULT_PROPERTIES, kdf_pbkdf2_functions },
 400     { "SSHKDF", FIPS_DEFAULT_PROPERTIES, kdf_sshkdf_functions },
 401     { "X963KDF", FIPS_DEFAULT_PROPERTIES, kdf_x963_kdf_functions },
 402     { "TLS1-PRF", FIPS_DEFAULT_PROPERTIES, kdf_tls1_prf_functions },
 403     { "KBKDF", FIPS_DEFAULT_PROPERTIES, kdf_kbkdf_functions },
 404     { NULL, NULL, NULL }
 405 };
 406
 407 static const OSSL_ALGORITHM fips_rands[] = {
 408     { "CTR-DRBG", FIPS_DEFAULT_PROPERTIES, drbg_ctr_functions },
 409     { "HASH-DRBG", FIPS_DEFAULT_PROPERTIES, drbg_hash_functions },
 410     { "HMAC-DRBG", FIPS_DEFAULT_PROPERTIES, drbg_hmac_functions },
 411     { "TEST-RAND", FIPS_UNAPPROVED_PROPERTIES, test_rng_functions },
 412     { NULL, NULL, NULL }
 413 };
 414
 415 static const OSSL_ALGORITHM fips_keyexch[] = {
 416 #ifndef OPENSSL_NO_DH
 417     { "DH:dhKeyAgreement", FIPS_DEFAULT_PROPERTIES, dh_keyexch_functions },
 418 #endif
 419 #ifndef OPENSSL_NO_EC
 420     { "ECDH", FIPS_DEFAULT_PROPERTIES, ecdh_keyexch_functions },
 421     { "X25519", FIPS_DEFAULT_PROPERTIES, x25519_keyexch_functions },
 422     { "X448", FIPS_DEFAULT_PROPERTIES, x448_keyexch_functions },
 423 #endif
 424     { "TLS1-PRF", FIPS_DEFAULT_PROPERTIES, kdf_tls1_prf_keyexch_functions },
 425     { "HKDF", FIPS_DEFAULT_PROPERTIES, kdf_hkdf_keyexch_functions },
 426     { NULL, NULL, NULL }
 427 };
 428
 429 static const OSSL_ALGORITHM fips_signature[] = {
 430 #ifndef OPENSSL_NO_DSA
 431     { "DSA:dsaEncryption", FIPS_DEFAULT_PROPERTIES, dsa_signature_functions },
 432 #endif
 433     { "RSA:rsaEncryption", FIPS_DEFAULT_PROPERTIES, rsa_signature_functions },
 434 #ifndef OPENSSL_NO_EC
 435     { "ED25519", FIPS_DEFAULT_PROPERTIES, ed25519_signature_functions },
 436     { "ED448", FIPS_DEFAULT_PROPERTIES, ed448_signature_functions },
 437     { "ECDSA", FIPS_DEFAULT_PROPERTIES, ecdsa_signature_functions },
 438 #endif
 439     { "HMAC", FIPS_DEFAULT_PROPERTIES, mac_hmac_signature_functions },
 440     { NULL, NULL, NULL }
 441 };
 442
 443 static const OSSL_ALGORITHM fips_asym_cipher[] = {
 444     { "RSA:rsaEncryption", FIPS_DEFAULT_PROPERTIES, rsa_asym_cipher_functions },
 445     { NULL, NULL, NULL }
 446 };
 447
 448 static const OSSL_ALGORITHM fips_keymgmt[] = {
 449 #ifndef OPENSSL_NO_DH
 450     { "DH:dhKeyAgreement", FIPS_DEFAULT_PROPERTIES, dh_keymgmt_functions },
 451     { "DHX:X9.42 DH:dhpublicnumber", FIPS_DEFAULT_PROPERTIES, dhx_keymgmt_functions },
 452 #endif
 453 #ifndef OPENSSL_NO_DSA
 454     { "DSA", FIPS_DEFAULT_PROPERTIES, dsa_keymgmt_functions },
 455 #endif
 456     { "RSA:rsaEncryption", FIPS_DEFAULT_PROPERTIES, rsa_keymgmt_functions },
 457     { "RSA-PSS:RSASSA-PSS", FIPS_DEFAULT_PROPERTIES,
 458       rsapss_keymgmt_functions },
 459 #ifndef OPENSSL_NO_EC
 460     { "EC:id-ecPublicKey", FIPS_DEFAULT_PROPERTIES, ec_keymgmt_functions },
 461     { "X25519", FIPS_DEFAULT_PROPERTIES, x25519_keymgmt_functions },
 462     { "X448", FIPS_DEFAULT_PROPERTIES, x448_keymgmt_functions },
 463     { "ED25519", FIPS_DEFAULT_PROPERTIES, ed25519_keymgmt_functions },
 464     { "ED448", FIPS_DEFAULT_PROPERTIES, ed448_keymgmt_functions },
 465 #endif
 466     { "TLS1-PRF", FIPS_DEFAULT_PROPERTIES, kdf_keymgmt_functions },
 467     { "HKDF", FIPS_DEFAULT_PROPERTIES, kdf_keymgmt_functions },
 468     { "HMAC", FIPS_DEFAULT_PROPERTIES, mac_keymgmt_functions },
 469     { NULL, NULL, NULL }
 470 };
 471
 472 static const OSSL_ALGORITHM *fips_query(void *provctx, int operation_id,
 473                                         int *no_cache)
 474 {
 475     *no_cache = 0;
 476
 477     if (!FIPS_is_running())
 478         return NULL;
 479
 480     switch (operation_id) {
 481     case OSSL_OP_DIGEST:
 482         return fips_digests;
 483     case OSSL_OP_CIPHER:
 484         ossl_prov_cache_exported_algorithms(fips_ciphers, exported_fips_ciphers);
 485         return exported_fips_ciphers;
 486     case OSSL_OP_MAC:
 487         return fips_macs;
 488     case OSSL_OP_KDF:
 489         return fips_kdfs;
 490     case OSSL_OP_RAND:
 491         return fips_rands;
 492     case OSSL_OP_KEYMGMT:
 493         return fips_keymgmt;
 494     case OSSL_OP_KEYEXCH:
 495         return fips_keyexch;
 496     case OSSL_OP_SIGNATURE:
 497         return fips_signature;
 498     case OSSL_OP_ASYM_CIPHER:
 499         return fips_asym_cipher;
 500     }
 501     return NULL;
 502 }
 503
 504 static void fips_teardown(void *provctx)
 505 {
 506     OPENSSL_CTX_free(PROV_LIBRARY_CONTEXT_OF(provctx));
 507     PROV_CTX_free(provctx);
 508 }
 509
 510 static void fips_intern_teardown(void *provctx)
 511 {
 512     /*
 513      * We know that the library context is the same as for the outer provider,
 514      * so no need to destroy it here.
 515      */
 516     PROV_CTX_free(provctx);
 517 }
 518
 519 /* Functions we provide to the core */
 520 static const OSSL_DISPATCH fips_dispatch_table[] = {
 521     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown },
 522     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params },
 523     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
 524     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 525     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
 526       (void (*)(void))provider_get_capabilities },
 527     { OSSL_FUNC_PROVIDER_SELF_TEST, (void (*)(void))fips_self_test },
 528     { 0, NULL }
 529 };
 530
 531 /* Functions we provide to ourself */
 532 static const OSSL_DISPATCH intern_dispatch_table[] = {
 533     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown },
 534     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 535     { 0, NULL }
 536 };
 537
 538 int OSSL_provider_init(const OSSL_CORE_HANDLE *handle,
 539                        const OSSL_DISPATCH *in,
 540                        const OSSL_DISPATCH **out,
 541                        void **provctx)
 542 {
 543     FIPS_GLOBAL *fgbl;
 544     OPENSSL_CTX *libctx = NULL;
 545
 546     for (; in->function_id != 0; in++) {
 547         switch (in->function_id) {
 548         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
 549             c_get_libctx = OSSL_FUNC_core_get_library_context(in);
 550             break;
 551         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
 552             c_gettable_params = OSSL_FUNC_core_gettable_params(in);
 553             break;
 554         case OSSL_FUNC_CORE_GET_PARAMS:
 555             c_get_params = OSSL_FUNC_core_get_params(in);
 556             break;
 557         case OSSL_FUNC_CORE_THREAD_START:
 558             c_thread_start = OSSL_FUNC_core_thread_start(in);
 559             break;
 560         case OSSL_FUNC_CORE_NEW_ERROR:
 561             c_new_error = OSSL_FUNC_core_new_error(in);
 562             break;
 563         case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
 564             c_set_error_debug = OSSL_FUNC_core_set_error_debug(in);
 565             break;
 566         case OSSL_FUNC_CORE_VSET_ERROR:
 567             c_vset_error = OSSL_FUNC_core_vset_error(in);
 568             break;
 569         case OSSL_FUNC_CORE_SET_ERROR_MARK:
 570             c_set_error_mark = OSSL_FUNC_core_set_error_mark(in);
 571             break;
 572         case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK:
 573             c_clear_last_error_mark = OSSL_FUNC_core_clear_last_error_mark(in);
 574             break;
 575         case OSSL_FUNC_CORE_POP_ERROR_TO_MARK:
 576             c_pop_error_to_mark = OSSL_FUNC_core_pop_error_to_mark(in);
 577             break;
 578         case OSSL_FUNC_CRYPTO_MALLOC:
 579             c_CRYPTO_malloc = OSSL_FUNC_CRYPTO_malloc(in);
 580             break;
 581         case OSSL_FUNC_CRYPTO_ZALLOC:
 582             c_CRYPTO_zalloc = OSSL_FUNC_CRYPTO_zalloc(in);
 583             break;
 584         case OSSL_FUNC_CRYPTO_FREE:
 585             c_CRYPTO_free = OSSL_FUNC_CRYPTO_free(in);
 586             break;
 587         case OSSL_FUNC_CRYPTO_CLEAR_FREE:
 588             c_CRYPTO_clear_free = OSSL_FUNC_CRYPTO_clear_free(in);
 589             break;
 590         case OSSL_FUNC_CRYPTO_REALLOC:
 591             c_CRYPTO_realloc = OSSL_FUNC_CRYPTO_realloc(in);
 592             break;
 593         case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
 594             c_CRYPTO_clear_realloc = OSSL_FUNC_CRYPTO_clear_realloc(in);
 595             break;
 596         case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
 597             c_CRYPTO_secure_malloc = OSSL_FUNC_CRYPTO_secure_malloc(in);
 598             break;
 599         case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
 600             c_CRYPTO_secure_zalloc = OSSL_FUNC_CRYPTO_secure_zalloc(in);
 601             break;
 602         case OSSL_FUNC_CRYPTO_SECURE_FREE:
 603             c_CRYPTO_secure_free = OSSL_FUNC_CRYPTO_secure_free(in);
 604             break;
 605         case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
 606             c_CRYPTO_secure_clear_free = OSSL_FUNC_CRYPTO_secure_clear_free(in);
 607             break;
 608         case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
 609             c_CRYPTO_secure_allocated = OSSL_FUNC_CRYPTO_secure_allocated(in);
 610             break;
 611         case OSSL_FUNC_BIO_NEW_FILE:
 612             selftest_params.bio_new_file_cb = OSSL_FUNC_BIO_new_file(in);
 613             break;
 614         case OSSL_FUNC_BIO_NEW_MEMBUF:
 615             selftest_params.bio_new_buffer_cb = OSSL_FUNC_BIO_new_membuf(in);
 616             break;
 617         case OSSL_FUNC_BIO_READ_EX:
 618             selftest_params.bio_read_ex_cb = OSSL_FUNC_BIO_read_ex(in);
 619             break;
 620         case OSSL_FUNC_BIO_FREE:
 621             selftest_params.bio_free_cb = OSSL_FUNC_BIO_free(in);
 622             break;
 623         case OSSL_FUNC_BIO_VSNPRINTF:
 624             c_BIO_vsnprintf = OSSL_FUNC_BIO_vsnprintf(in);
 625             break;
 626         case OSSL_FUNC_SELF_TEST_CB: {
 627             c_stcbfn = OSSL_FUNC_self_test_cb(in);
 628             break;
 629         }
 630         default:
 631             /* Just ignore anything we don't understand */
 632             break;
 633         }
 634     }
 635
 636     set_self_test_cb(handle);
 637
 638     if (!c_get_params(handle, core_params)) {
 639         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
 640         return 0;
 641     }
 642
 643     /*  Create a context. */
 644     if ((*provctx = PROV_CTX_new()) == NULL
 645         || (libctx = OPENSSL_CTX_new()) == NULL) {
 646         /*
 647          * We free libctx separately here and only here because it hasn't
 648          * been attached to *provctx.  All other error paths below rely
 649          * solely on fips_teardown.
 650          */
 651         OPENSSL_CTX_free(libctx);
 652         goto err;
 653     }
 654     PROV_CTX_set0_library_context(*provctx, libctx);
 655     PROV_CTX_set0_handle(*provctx, handle);
 656
 657     if ((fgbl = openssl_ctx_get_data(libctx, OPENSSL_CTX_FIPS_PROV_INDEX,
 658                                      &fips_prov_ossl_ctx_method)) == NULL)
 659         goto err;
 660
 661     fgbl->handle = handle;
 662
 663     selftest_params.libctx = libctx;
 664     if (!SELF_TEST_post(&selftest_params, 0)) {
 665         ERR_raise(ERR_LIB_PROV, PROV_R_SELF_TEST_POST_FAILURE);
 666         goto err;
 667     }
 668
 669     /* TODO(3.0): Tests will hang if this is removed */
 670     (void)RAND_get0_public(libctx);
 671
 672     *out = fips_dispatch_table;
 673     return 1;
 674  err:
 675     fips_teardown(*provctx);
 676     *provctx = NULL;
 677     return 0;
 678 }
 679
 680 /*
 681  * The internal init function used when the FIPS module uses EVP to call
 682  * another algorithm also in the FIPS module. This is a recursive call that has
 683  * been made from within the FIPS module itself. To make this work, we populate
 684  * the provider context of this inner instance with the same library context
 685  * that was used in the EVP call that initiated this recursive call.
 686  */
 687 OSSL_provider_init_fn fips_intern_provider_init;
 688 int fips_intern_provider_init(const OSSL_CORE_HANDLE *handle,
 689                               const OSSL_DISPATCH *in,
 690                               const OSSL_DISPATCH **out,
 691                               void **provctx)
 692 {
 693     OSSL_FUNC_core_get_library_context_fn *c_internal_get_libctx = NULL;
 694
 695     for (; in->function_id != 0; in++) {
 696         switch (in->function_id) {
 697         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
 698             c_internal_get_libctx = OSSL_FUNC_core_get_library_context(in);
 699             break;
 700         default:
 701             break;
 702         }
 703     }
 704
 705     if (c_internal_get_libctx == NULL)
 706         return 0;
 707
 708     if ((*provctx = PROV_CTX_new()) == NULL)
 709         return 0;
 710
 711     /*
 712      * Using the parent library context only works because we are a built-in
 713      * internal provider. This is not something that most providers would be
 714      * able to do.
 715      */
 716     PROV_CTX_set0_library_context(*provctx,
 717                                   (OPENSSL_CTX *)c_internal_get_libctx(handle));
 718     PROV_CTX_set0_handle(*provctx, handle);
 719
 720     *out = intern_dispatch_table;
 721     return 1;
 722 }
 723
 724 void ERR_new(void)
 725 {
 726     c_new_error(NULL);
 727 }
 728
 729 void ERR_set_debug(const char *file, int line, const char *func)
 730 {
 731     c_set_error_debug(NULL, file, line, func);
 732 }
 733
 734 void ERR_set_error(int lib, int reason, const char *fmt, ...)
 735 {
 736     va_list args;
 737
 738     va_start(args, fmt);
 739     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 740     va_end(args);
 741 }
 742
 743 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
 744 {
 745     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 746 }
 747
 748 int ERR_set_mark(void)
 749 {
 750     return c_set_error_mark(NULL);
 751 }
 752
 753 int ERR_clear_last_mark(void)
 754 {
 755     return c_clear_last_error_mark(NULL);
 756 }
 757
 758 int ERR_pop_to_mark(void)
 759 {
 760     return c_pop_error_to_mark(NULL);
 761 }
 762
 763 /*
 764  * This must take a library context, since it's called from the depths
 765  * of crypto/initthread.c code, where it's (correctly) assumed that the
 766  * passed caller argument is an OPENSSL_CTX pointer (since the same routine
 767  * is also called from other parts of libcrypto, which all pass around a
 768  * OPENSSL_CTX pointer)
 769  */
 770 const OSSL_CORE_HANDLE *FIPS_get_core_handle(OPENSSL_CTX *libctx)
 771 {
 772     FIPS_GLOBAL *fgbl = openssl_ctx_get_data(libctx,
 773                                              OPENSSL_CTX_FIPS_PROV_INDEX,
 774                                              &fips_prov_ossl_ctx_method);
 775
 776     if (fgbl == NULL)
 777         return NULL;
 778
 779     return fgbl->handle;
 780 }
 781
 782 void *CRYPTO_malloc(size_t num, const char *file, int line)
 783 {
 784     return c_CRYPTO_malloc(num, file, line);
 785 }
 786
 787 void *CRYPTO_zalloc(size_t num, const char *file, int line)
 788 {
 789     return c_CRYPTO_zalloc(num, file, line);
 790 }
 791
 792 void CRYPTO_free(void *ptr, const char *file, int line)
 793 {
 794     c_CRYPTO_free(ptr, file, line);
 795 }
 796
 797 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line)
 798 {
 799     c_CRYPTO_clear_free(ptr, num, file, line);
 800 }
 801
 802 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line)
 803 {
 804     return c_CRYPTO_realloc(addr, num, file, line);
 805 }
 806
 807 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
 808                            const char *file, int line)
 809 {
 810     return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
 811 }
 812
 813 void *CRYPTO_secure_malloc(size_t num, const char *file, int line)
 814 {
 815     return c_CRYPTO_secure_malloc(num, file, line);
 816 }
 817
 818 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line)
 819 {
 820     return c_CRYPTO_secure_zalloc(num, file, line);
 821 }
 822
 823 void CRYPTO_secure_free(void *ptr, const char *file, int line)
 824 {
 825     c_CRYPTO_secure_free(ptr, file, line);
 826 }
 827
 828 void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line)
 829 {
 830     c_CRYPTO_secure_clear_free(ptr, num, file, line);
 831 }
 832
 833 int CRYPTO_secure_allocated(const void *ptr)
 834 {
 835     return c_CRYPTO_secure_allocated(ptr);
 836 }
 837
 838 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
 839 {
 840     va_list args;
 841     int ret;
 842
 843     va_start(args, format);
 844     ret = c_BIO_vsnprintf(buf, n, format, args);
 845     va_end(args);
 846     return ret;
 847 }