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 int FIPS_security_check_enabled(void);
  41
  42 /*
  43  * TODO(3.0): Should these be stored in the provider side provctx? Could they
  44  * ever be different from one init to the next? Unfortunately we can't do this
  45  * at the moment because c_put_error/c_add_error_vdata do not provide
  46  * us with the OSSL_LIB_CTX as a parameter.
  47  */
  48
  49 static SELF_TEST_POST_PARAMS selftest_params;
  50 static int fips_security_checks = 1;
  51 static const char *fips_security_check_option = "1";
  52
  53 /* Functions provided by the core */
  54 static OSSL_FUNC_core_gettable_params_fn *c_gettable_params;
  55 static OSSL_FUNC_core_get_params_fn *c_get_params;
  56 OSSL_FUNC_core_thread_start_fn *c_thread_start;
  57 static OSSL_FUNC_core_new_error_fn *c_new_error;
  58 static OSSL_FUNC_core_set_error_debug_fn *c_set_error_debug;
  59 static OSSL_FUNC_core_vset_error_fn *c_vset_error;
  60 static OSSL_FUNC_core_set_error_mark_fn *c_set_error_mark;
  61 static OSSL_FUNC_core_clear_last_error_mark_fn *c_clear_last_error_mark;
  62 static OSSL_FUNC_core_pop_error_to_mark_fn *c_pop_error_to_mark;
  63 static OSSL_FUNC_CRYPTO_malloc_fn *c_CRYPTO_malloc;
  64 static OSSL_FUNC_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
  65 static OSSL_FUNC_CRYPTO_free_fn *c_CRYPTO_free;
  66 static OSSL_FUNC_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
  67 static OSSL_FUNC_CRYPTO_realloc_fn *c_CRYPTO_realloc;
  68 static OSSL_FUNC_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
  69 static OSSL_FUNC_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
  70 static OSSL_FUNC_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
  71 static OSSL_FUNC_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
  72 static OSSL_FUNC_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
  73 static OSSL_FUNC_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
  74 static OSSL_FUNC_BIO_vsnprintf_fn *c_BIO_vsnprintf;
  75 static OSSL_FUNC_self_test_cb_fn *c_stcbfn = NULL;
  76 static OSSL_FUNC_core_get_library_context_fn *c_get_libctx = NULL;
  77
  78 typedef struct fips_global_st {
  79     const OSSL_CORE_HANDLE *handle;
  80 } FIPS_GLOBAL;
  81
  82 static void *fips_prov_ossl_ctx_new(OSSL_LIB_CTX *libctx)
  83 {
  84     FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl));
  85
  86     return fgbl;
  87 }
  88
  89 static void fips_prov_ossl_ctx_free(void *fgbl)
  90 {
  91     OPENSSL_free(fgbl);
  92 }
  93
  94 static const OSSL_LIB_CTX_METHOD fips_prov_ossl_ctx_method = {
  95     fips_prov_ossl_ctx_new,
  96     fips_prov_ossl_ctx_free,
  97 };
  98
  99
 100 /* Parameters we provide to the core */
 101 static const OSSL_PARAM fips_param_types[] = {
 102     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
 103     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
 104     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
 105     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
 106     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_SECURITY_CHECKS, OSSL_PARAM_INTEGER, NULL, 0),
 107     OSSL_PARAM_END
 108 };
 109
 110 /*
 111  * Parameters to retrieve from the core provider - required for self testing.
 112  * NOTE: inside core_get_params() these will be loaded from config items
 113  * stored inside prov->parameters (except for
 114  * OSSL_PROV_PARAM_CORE_MODULE_FILENAME).
 115  * OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS is not a self test parameter.
 116  */
 117 static OSSL_PARAM core_params[] =
 118 {
 119     OSSL_PARAM_utf8_ptr(OSSL_PROV_PARAM_CORE_MODULE_FILENAME,
 120                         selftest_params.module_filename,
 121                         sizeof(selftest_params.module_filename)),
 122     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_MODULE_MAC,
 123                         selftest_params.module_checksum_data,
 124                         sizeof(selftest_params.module_checksum_data)),
 125     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_MAC,
 126                         selftest_params.indicator_checksum_data,
 127                         sizeof(selftest_params.indicator_checksum_data)),
 128     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
 129                         selftest_params.indicator_data,
 130                         sizeof(selftest_params.indicator_data)),
 131     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
 132                         selftest_params.indicator_version,
 133                         sizeof(selftest_params.indicator_version)),
 134     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
 135                         selftest_params.conditional_error_check,
 136                         sizeof(selftest_params.conditional_error_check)),
 137     OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS,
 138                         fips_security_check_option,
 139                         sizeof(fips_security_check_option)),
 140     OSSL_PARAM_END
 141 };
 142
 143 static const OSSL_PARAM *fips_gettable_params(void *provctx)
 144 {
 145     return fips_param_types;
 146 }
 147
 148 static int fips_get_params(void *provctx, OSSL_PARAM params[])
 149 {
 150     OSSL_PARAM *p;
 151
 152     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
 153     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
 154         return 0;
 155     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
 156     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
 157         return 0;
 158     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
 159     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
 160         return 0;
 161     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
 162     if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
 163         return 0;
 164     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_SECURITY_CHECKS);
 165     if (p != NULL && !OSSL_PARAM_set_int(p, fips_security_checks))
 166         return 0;
 167     return 1;
 168 }
 169
 170 static void set_self_test_cb(const OSSL_CORE_HANDLE *handle)
 171 {
 172     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 173         c_stcbfn(c_get_libctx(handle), &selftest_params.cb,
 174                               &selftest_params.cb_arg);
 175     } else {
 176         selftest_params.cb = NULL;
 177         selftest_params.cb_arg = NULL;
 178     }
 179 }
 180
 181 static int fips_self_test(void *provctx)
 182 {
 183     set_self_test_cb(FIPS_get_core_handle(selftest_params.libctx));
 184     return SELF_TEST_post(&selftest_params, 1) ? 1 : 0;
 185 }
 186
 187 /* FIPS specific version of the function of the same name in provlib.c */
 188 /* TODO(3.0) - Is this function needed ? */
 189 const char *ossl_prov_util_nid_to_name(int nid)
 190 {
 191     /* We don't have OBJ_nid2n() in FIPS_MODULE so we have an explicit list */
 192
 193     switch (nid) {
 194     /* Digests */
 195     case NID_sha1:
 196         return "SHA1";
 197     case NID_sha224:
 198         return "SHA-224";
 199     case NID_sha256:
 200         return "SHA-256";
 201     case NID_sha384:
 202         return "SHA-384";
 203     case NID_sha512:
 204         return "SHA-512";
 205     case NID_sha512_224:
 206         return "SHA-512/224";
 207     case NID_sha512_256:
 208         return "SHA-512/256";
 209     case NID_sha3_224:
 210         return "SHA3-224";
 211     case NID_sha3_256:
 212         return "SHA3-256";
 213     case NID_sha3_384:
 214         return "SHA3-384";
 215     case NID_sha3_512:
 216         return "SHA3-512";
 217
 218     /* Ciphers */
 219     case NID_aes_256_ecb:
 220         return "AES-256-ECB";
 221     case NID_aes_192_ecb:
 222         return "AES-192-ECB";
 223     case NID_aes_128_ecb:
 224         return "AES-128-ECB";
 225     case NID_aes_256_cbc:
 226         return "AES-256-CBC";
 227     case NID_aes_192_cbc:
 228         return "AES-192-CBC";
 229     case NID_aes_128_cbc:
 230         return "AES-128-CBC";
 231     case NID_aes_256_ctr:
 232         return "AES-256-CTR";
 233     case NID_aes_192_ctr:
 234         return "AES-192-CTR";
 235     case NID_aes_128_ctr:
 236         return "AES-128-CTR";
 237     case NID_aes_256_xts:
 238         return "AES-256-XTS";
 239     case NID_aes_128_xts:
 240         return "AES-128-XTS";
 241     case NID_aes_256_gcm:
 242         return "AES-256-GCM";
 243     case NID_aes_192_gcm:
 244         return "AES-192-GCM";
 245     case NID_aes_128_gcm:
 246         return "AES-128-GCM";
 247     case NID_aes_256_ccm:
 248         return "AES-256-CCM";
 249     case NID_aes_192_ccm:
 250         return "AES-192-CCM";
 251     case NID_aes_128_ccm:
 252         return "AES-128-CCM";
 253     case NID_id_aes256_wrap:
 254         return "AES-256-WRAP";
 255     case NID_id_aes192_wrap:
 256         return "AES-192-WRAP";
 257     case NID_id_aes128_wrap:
 258         return "AES-128-WRAP";
 259     case NID_id_aes256_wrap_pad:
 260         return "AES-256-WRAP-PAD";
 261     case NID_id_aes192_wrap_pad:
 262         return "AES-192-WRAP-PAD";
 263     case NID_id_aes128_wrap_pad:
 264         return "AES-128-WRAP-PAD";
 265     case NID_des_ede3_ecb:
 266         return "DES-EDE3";
 267     case NID_des_ede3_cbc:
 268         return "DES-EDE3-CBC";
 269     case NID_aes_256_cbc_hmac_sha256:
 270         return "AES-256-CBC-HMAC-SHA256";
 271     case NID_aes_128_cbc_hmac_sha256:
 272         return "AES-128-CBC-HMAC-SHA256";
 273     case NID_aes_256_cbc_hmac_sha1:
 274         return "AES-256-CBC-HMAC-SHA1";
 275     case NID_aes_128_cbc_hmac_sha1:
 276         return "AES-128-CBC-HMAC-SHA1";
 277     default:
 278         break;
 279     }
 280
 281     return NULL;
 282 }
 283
 284 /*
 285  * For the algorithm names, we use the following formula for our primary
 286  * names:
 287  *
 288  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
 289  *
 290  *     VERSION is only present if there are multiple versions of
 291  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
 292  *     one version (if a subsequent version is released in the future,
 293  *     we can always change the canonical name, and add the old name
 294  *     as an alias).
 295  *
 296  *     SUBNAME may be present where we are combining multiple
 297  *     algorithms together, e.g. MD5-SHA1.
 298  *
 299  *     SIZE is only present if multiple versions of an algorithm exist
 300  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
 301  *
 302  *     MODE is only present where applicable.
 303  *
 304  * We add diverse other names where applicable, such as the names that
 305  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
 306  * we have used historically.
 307  */
 308 static const OSSL_ALGORITHM fips_digests[] = {
 309     /* Our primary name:NiST name[:our older names] */
 310     { "SHA1:SHA-1:SSL3-SHA1", FIPS_DEFAULT_PROPERTIES, ossl_sha1_functions },
 311     { "SHA2-224:SHA-224:SHA224", FIPS_DEFAULT_PROPERTIES,
 312       ossl_sha224_functions },
 313     { "SHA2-256:SHA-256:SHA256", FIPS_DEFAULT_PROPERTIES,
 314       ossl_sha256_functions },
 315     { "SHA2-384:SHA-384:SHA384", FIPS_DEFAULT_PROPERTIES,
 316       ossl_sha384_functions },
 317     { "SHA2-512:SHA-512:SHA512", FIPS_DEFAULT_PROPERTIES,
 318       ossl_sha512_functions },
 319     { "SHA2-512/224:SHA-512/224:SHA512-224", FIPS_DEFAULT_PROPERTIES,
 320       ossl_sha512_224_functions },
 321     { "SHA2-512/256:SHA-512/256:SHA512-256", FIPS_DEFAULT_PROPERTIES,
 322       ossl_sha512_256_functions },
 323
 324     /* We agree with NIST here, so one name only */
 325     { "SHA3-224", FIPS_DEFAULT_PROPERTIES, ossl_sha3_224_functions },
 326     { "SHA3-256", FIPS_DEFAULT_PROPERTIES, ossl_sha3_256_functions },
 327     { "SHA3-384", FIPS_DEFAULT_PROPERTIES, ossl_sha3_384_functions },
 328     { "SHA3-512", FIPS_DEFAULT_PROPERTIES, ossl_sha3_512_functions },
 329
 330     { "SHAKE-128:SHAKE128", FIPS_DEFAULT_PROPERTIES, ossl_shake_128_functions },
 331     { "SHAKE-256:SHAKE256", FIPS_DEFAULT_PROPERTIES, ossl_shake_256_functions },
 332
 333     /*
 334      * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
 335      * KMAC128 and KMAC256.
 336      */
 337     { "KECCAK-KMAC-128:KECCAK-KMAC128", FIPS_DEFAULT_PROPERTIES,
 338       ossl_keccak_kmac_128_functions },
 339     { "KECCAK-KMAC-256:KECCAK-KMAC256", FIPS_DEFAULT_PROPERTIES,
 340       ossl_keccak_kmac_256_functions },
 341     { NULL, NULL, NULL }
 342 };
 343
 344 static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = {
 345     /* Our primary name[:ASN.1 OID name][:our older names] */
 346     ALG("AES-256-ECB", ossl_aes256ecb_functions),
 347     ALG("AES-192-ECB", ossl_aes192ecb_functions),
 348     ALG("AES-128-ECB", ossl_aes128ecb_functions),
 349     ALG("AES-256-CBC:AES256", ossl_aes256cbc_functions),
 350     ALG("AES-192-CBC:AES192", ossl_aes192cbc_functions),
 351     ALG("AES-128-CBC:AES128", ossl_aes128cbc_functions),
 352     ALG("AES-256-CBC-CTS", ossl_aes256cbc_cts_functions),
 353     ALG("AES-192-CBC-CTS", ossl_aes192cbc_cts_functions),
 354     ALG("AES-128-CBC-CTS", ossl_aes128cbc_cts_functions),
 355     ALG("AES-256-OFB", ossl_aes256ofb_functions),
 356     ALG("AES-192-OFB", ossl_aes192ofb_functions),
 357     ALG("AES-128-OFB", ossl_aes128ofb_functions),
 358     ALG("AES-256-CFB", ossl_aes256cfb_functions),
 359     ALG("AES-192-CFB", ossl_aes192cfb_functions),
 360     ALG("AES-128-CFB", ossl_aes128cfb_functions),
 361     ALG("AES-256-CFB1", ossl_aes256cfb1_functions),
 362     ALG("AES-192-CFB1", ossl_aes192cfb1_functions),
 363     ALG("AES-128-CFB1", ossl_aes128cfb1_functions),
 364     ALG("AES-256-CFB8", ossl_aes256cfb8_functions),
 365     ALG("AES-192-CFB8", ossl_aes192cfb8_functions),
 366     ALG("AES-128-CFB8", ossl_aes128cfb8_functions),
 367     ALG("AES-256-CTR", ossl_aes256ctr_functions),
 368     ALG("AES-192-CTR", ossl_aes192ctr_functions),
 369     ALG("AES-128-CTR", ossl_aes128ctr_functions),
 370     ALG("AES-256-XTS", ossl_aes256xts_functions),
 371     ALG("AES-128-XTS", ossl_aes128xts_functions),
 372     ALG("AES-256-GCM:id-aes256-GCM", ossl_aes256gcm_functions),
 373     ALG("AES-192-GCM:id-aes192-GCM", ossl_aes192gcm_functions),
 374     ALG("AES-128-GCM:id-aes128-GCM", ossl_aes128gcm_functions),
 375     ALG("AES-256-CCM:id-aes256-CCM", ossl_aes256ccm_functions),
 376     ALG("AES-192-CCM:id-aes192-CCM", ossl_aes192ccm_functions),
 377     ALG("AES-128-CCM:id-aes128-CCM", ossl_aes128ccm_functions),
 378     ALG("AES-256-WRAP:id-aes256-wrap:AES256-WRAP", ossl_aes256wrap_functions),
 379     ALG("AES-192-WRAP:id-aes192-wrap:AES192-WRAP", ossl_aes192wrap_functions),
 380     ALG("AES-128-WRAP:id-aes128-wrap:AES128-WRAP", ossl_aes128wrap_functions),
 381     ALG("AES-256-WRAP-PAD:id-aes256-wrap-pad:AES256-WRAP-PAD",
 382         ossl_aes256wrappad_functions),
 383     ALG("AES-192-WRAP-PAD:id-aes192-wrap-pad:AES192-WRAP-PAD",
 384         ossl_aes192wrappad_functions),
 385     ALG("AES-128-WRAP-PAD:id-aes128-wrap-pad:AES128-WRAP-PAD",
 386         ossl_aes128wrappad_functions),
 387     ALGC("AES-128-CBC-HMAC-SHA1", ossl_aes128cbc_hmac_sha1_functions,
 388          ossl_cipher_capable_aes_cbc_hmac_sha1),
 389     ALGC("AES-256-CBC-HMAC-SHA1", ossl_aes256cbc_hmac_sha1_functions,
 390          ossl_cipher_capable_aes_cbc_hmac_sha1),
 391     ALGC("AES-128-CBC-HMAC-SHA256", ossl_aes128cbc_hmac_sha256_functions,
 392          ossl_cipher_capable_aes_cbc_hmac_sha256),
 393     ALGC("AES-256-CBC-HMAC-SHA256", ossl_aes256cbc_hmac_sha256_functions,
 394          ossl_cipher_capable_aes_cbc_hmac_sha256),
 395 #ifndef OPENSSL_NO_DES
 396     ALG("DES-EDE3-ECB:DES-EDE3", ossl_tdes_ede3_ecb_functions),
 397     ALG("DES-EDE3-CBC:DES3", ossl_tdes_ede3_cbc_functions),
 398 #endif  /* OPENSSL_NO_DES */
 399     { { NULL, NULL, NULL }, NULL }
 400 };
 401 static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)];
 402
 403 static const OSSL_ALGORITHM fips_macs[] = {
 404 #ifndef OPENSSL_NO_CMAC
 405     { "CMAC", FIPS_DEFAULT_PROPERTIES, ossl_cmac_functions },
 406 #endif
 407     { "GMAC", FIPS_DEFAULT_PROPERTIES, ossl_gmac_functions },
 408     { "HMAC", FIPS_DEFAULT_PROPERTIES, ossl_hmac_functions },
 409     { "KMAC-128:KMAC128", FIPS_DEFAULT_PROPERTIES, ossl_kmac128_functions },
 410     { "KMAC-256:KMAC256", FIPS_DEFAULT_PROPERTIES, ossl_kmac256_functions },
 411     { NULL, NULL, NULL }
 412 };
 413
 414 static const OSSL_ALGORITHM fips_kdfs[] = {
 415     { "HKDF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_functions },
 416     { "SSKDF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_sskdf_functions },
 417     { "PBKDF2", FIPS_DEFAULT_PROPERTIES, ossl_kdf_pbkdf2_functions },
 418     { "SSHKDF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_sshkdf_functions },
 419     { "X963KDF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_x963_kdf_functions },
 420     { "TLS1-PRF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_tls1_prf_functions },
 421     { "KBKDF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_kbkdf_functions },
 422     { NULL, NULL, NULL }
 423 };
 424
 425 static const OSSL_ALGORITHM fips_rands[] = {
 426     { "CTR-DRBG", FIPS_DEFAULT_PROPERTIES, ossl_drbg_ctr_functions },
 427     { "HASH-DRBG", FIPS_DEFAULT_PROPERTIES, ossl_drbg_hash_functions },
 428     { "HMAC-DRBG", FIPS_DEFAULT_PROPERTIES, ossl_drbg_ossl_hmac_functions },
 429     { "TEST-RAND", FIPS_UNAPPROVED_PROPERTIES, ossl_test_rng_functions },
 430     { NULL, NULL, NULL }
 431 };
 432
 433 static const OSSL_ALGORITHM fips_keyexch[] = {
 434 #ifndef OPENSSL_NO_DH
 435     { "DH:dhKeyAgreement", FIPS_DEFAULT_PROPERTIES, ossl_dh_keyexch_functions },
 436 #endif
 437 #ifndef OPENSSL_NO_EC
 438     { "ECDH", FIPS_DEFAULT_PROPERTIES, ecossl_dh_keyexch_functions },
 439     { "X25519", FIPS_DEFAULT_PROPERTIES, ossl_x25519_keyexch_functions },
 440     { "X448", FIPS_DEFAULT_PROPERTIES, ossl_x448_keyexch_functions },
 441 #endif
 442     { "TLS1-PRF", FIPS_DEFAULT_PROPERTIES,
 443       ossl_kdf_tls1_prf_keyexch_functions },
 444     { "HKDF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_keyexch_functions },
 445     { NULL, NULL, NULL }
 446 };
 447
 448 static const OSSL_ALGORITHM fips_signature[] = {
 449 #ifndef OPENSSL_NO_DSA
 450     { "DSA:dsaEncryption", FIPS_DEFAULT_PROPERTIES,
 451       ossl_dsa_signature_functions },
 452 #endif
 453     { "RSA:rsaEncryption", FIPS_DEFAULT_PROPERTIES,
 454       ossl_rsa_signature_functions },
 455 #ifndef OPENSSL_NO_EC
 456     { "ED25519", FIPS_DEFAULT_PROPERTIES, ossl_ed25519_signature_functions },
 457     { "ED448", FIPS_DEFAULT_PROPERTIES, ossl_ed448_signature_functions },
 458     { "ECDSA", FIPS_DEFAULT_PROPERTIES, ecossl_dsa_signature_functions },
 459 #endif
 460     { "HMAC", FIPS_DEFAULT_PROPERTIES,
 461       ossl_mac_legacy_hmac_signature_functions },
 462 #ifndef OPENSSL_NO_CMAC
 463     { "CMAC", FIPS_DEFAULT_PROPERTIES,
 464       ossl_mac_legacy_cmac_signature_functions },
 465 #endif
 466     { NULL, NULL, NULL }
 467 };
 468
 469 static const OSSL_ALGORITHM fips_asym_cipher[] = {
 470     { "RSA:rsaEncryption", FIPS_DEFAULT_PROPERTIES,
 471       ossl_rsa_asym_cipher_functions },
 472     { NULL, NULL, NULL }
 473 };
 474
 475 static const OSSL_ALGORITHM fips_asym_kem[] = {
 476     { "RSA", FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_kem_functions },
 477     { NULL, NULL, NULL }
 478 };
 479
 480 static const OSSL_ALGORITHM fips_keymgmt[] = {
 481 #ifndef OPENSSL_NO_DH
 482     { "DH:dhKeyAgreement", FIPS_DEFAULT_PROPERTIES, ossl_dh_keymgmt_functions },
 483     { "DHX:X9.42 DH:dhpublicnumber", FIPS_DEFAULT_PROPERTIES,
 484       ossl_dhx_keymgmt_functions },
 485 #endif
 486 #ifndef OPENSSL_NO_DSA
 487     { "DSA", FIPS_DEFAULT_PROPERTIES, ossl_dsa_keymgmt_functions },
 488 #endif
 489     { "RSA:rsaEncryption", FIPS_DEFAULT_PROPERTIES,
 490       ossl_rsa_keymgmt_functions },
 491     { "RSA-PSS:RSASSA-PSS", FIPS_DEFAULT_PROPERTIES,
 492       ossl_rsapss_keymgmt_functions },
 493 #ifndef OPENSSL_NO_EC
 494     { "EC:id-ecPublicKey", FIPS_DEFAULT_PROPERTIES, ossl_ec_keymgmt_functions },
 495     { "X25519", FIPS_DEFAULT_PROPERTIES, ossl_x25519_keymgmt_functions },
 496     { "X448", FIPS_DEFAULT_PROPERTIES, ossl_x448_keymgmt_functions },
 497     { "ED25519", FIPS_DEFAULT_PROPERTIES, ossl_ed25519_keymgmt_functions },
 498     { "ED448", FIPS_DEFAULT_PROPERTIES, ossl_ed448_keymgmt_functions },
 499 #endif
 500     { "TLS1-PRF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions },
 501     { "HKDF", FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions },
 502     { "HMAC", FIPS_DEFAULT_PROPERTIES, ossl_mac_legacy_keymgmt_functions },
 503 #ifndef OPENSSL_NO_CMAC
 504     { "CMAC", FIPS_DEFAULT_PROPERTIES,
 505       ossl_cossl_mac_legacy_keymgmt_functions },
 506 #endif
 507     { NULL, NULL, NULL }
 508 };
 509
 510 static const OSSL_ALGORITHM *fips_query(void *provctx, int operation_id,
 511                                         int *no_cache)
 512 {
 513     *no_cache = 0;
 514
 515     if (!ossl_prov_is_running())
 516         return NULL;
 517
 518     switch (operation_id) {
 519     case OSSL_OP_DIGEST:
 520         return fips_digests;
 521     case OSSL_OP_CIPHER:
 522         ossl_prov_cache_exported_algorithms(fips_ciphers,
 523                                             exported_fips_ciphers);
 524         return exported_fips_ciphers;
 525     case OSSL_OP_MAC:
 526         return fips_macs;
 527     case OSSL_OP_KDF:
 528         return fips_kdfs;
 529     case OSSL_OP_RAND:
 530         return fips_rands;
 531     case OSSL_OP_KEYMGMT:
 532         return fips_keymgmt;
 533     case OSSL_OP_KEYEXCH:
 534         return fips_keyexch;
 535     case OSSL_OP_SIGNATURE:
 536         return fips_signature;
 537     case OSSL_OP_ASYM_CIPHER:
 538         return fips_asym_cipher;
 539     case OSSL_OP_KEM:
 540         return fips_asym_kem;
 541     }
 542     return NULL;
 543 }
 544
 545 static void fips_teardown(void *provctx)
 546 {
 547     OSSL_LIB_CTX_free(PROV_LIBRARY_CONTEXT_OF(provctx));
 548     ossl_prov_ctx_free(provctx);
 549 }
 550
 551 static void fips_intern_teardown(void *provctx)
 552 {
 553     /*
 554      * We know that the library context is the same as for the outer provider,
 555      * so no need to destroy it here.
 556      */
 557     ossl_prov_ctx_free(provctx);
 558 }
 559
 560 /* Functions we provide to the core */
 561 static const OSSL_DISPATCH fips_dispatch_table[] = {
 562     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown },
 563     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params },
 564     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
 565     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 566     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
 567       (void (*)(void))provider_get_capabilities },
 568     { OSSL_FUNC_PROVIDER_SELF_TEST, (void (*)(void))fips_self_test },
 569     { 0, NULL }
 570 };
 571
 572 /* Functions we provide to ourself */
 573 static const OSSL_DISPATCH intern_dispatch_table[] = {
 574     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown },
 575     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 576     { 0, NULL }
 577 };
 578
 579 int OSSL_provider_init(const OSSL_CORE_HANDLE *handle,
 580                        const OSSL_DISPATCH *in,
 581                        const OSSL_DISPATCH **out,
 582                        void **provctx)
 583 {
 584     FIPS_GLOBAL *fgbl;
 585     OSSL_LIB_CTX *libctx = NULL;
 586
 587     for (; in->function_id != 0; in++) {
 588         switch (in->function_id) {
 589         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
 590             c_get_libctx = OSSL_FUNC_core_get_library_context(in);
 591             break;
 592         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
 593             c_gettable_params = OSSL_FUNC_core_gettable_params(in);
 594             break;
 595         case OSSL_FUNC_CORE_GET_PARAMS:
 596             c_get_params = OSSL_FUNC_core_get_params(in);
 597             break;
 598         case OSSL_FUNC_CORE_THREAD_START:
 599             c_thread_start = OSSL_FUNC_core_thread_start(in);
 600             break;
 601         case OSSL_FUNC_CORE_NEW_ERROR:
 602             c_new_error = OSSL_FUNC_core_new_error(in);
 603             break;
 604         case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
 605             c_set_error_debug = OSSL_FUNC_core_set_error_debug(in);
 606             break;
 607         case OSSL_FUNC_CORE_VSET_ERROR:
 608             c_vset_error = OSSL_FUNC_core_vset_error(in);
 609             break;
 610         case OSSL_FUNC_CORE_SET_ERROR_MARK:
 611             c_set_error_mark = OSSL_FUNC_core_set_error_mark(in);
 612             break;
 613         case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK:
 614             c_clear_last_error_mark = OSSL_FUNC_core_clear_last_error_mark(in);
 615             break;
 616         case OSSL_FUNC_CORE_POP_ERROR_TO_MARK:
 617             c_pop_error_to_mark = OSSL_FUNC_core_pop_error_to_mark(in);
 618             break;
 619         case OSSL_FUNC_CRYPTO_MALLOC:
 620             c_CRYPTO_malloc = OSSL_FUNC_CRYPTO_malloc(in);
 621             break;
 622         case OSSL_FUNC_CRYPTO_ZALLOC:
 623             c_CRYPTO_zalloc = OSSL_FUNC_CRYPTO_zalloc(in);
 624             break;
 625         case OSSL_FUNC_CRYPTO_FREE:
 626             c_CRYPTO_free = OSSL_FUNC_CRYPTO_free(in);
 627             break;
 628         case OSSL_FUNC_CRYPTO_CLEAR_FREE:
 629             c_CRYPTO_clear_free = OSSL_FUNC_CRYPTO_clear_free(in);
 630             break;
 631         case OSSL_FUNC_CRYPTO_REALLOC:
 632             c_CRYPTO_realloc = OSSL_FUNC_CRYPTO_realloc(in);
 633             break;
 634         case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
 635             c_CRYPTO_clear_realloc = OSSL_FUNC_CRYPTO_clear_realloc(in);
 636             break;
 637         case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
 638             c_CRYPTO_secure_malloc = OSSL_FUNC_CRYPTO_secure_malloc(in);
 639             break;
 640         case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
 641             c_CRYPTO_secure_zalloc = OSSL_FUNC_CRYPTO_secure_zalloc(in);
 642             break;
 643         case OSSL_FUNC_CRYPTO_SECURE_FREE:
 644             c_CRYPTO_secure_free = OSSL_FUNC_CRYPTO_secure_free(in);
 645             break;
 646         case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
 647             c_CRYPTO_secure_clear_free = OSSL_FUNC_CRYPTO_secure_clear_free(in);
 648             break;
 649         case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
 650             c_CRYPTO_secure_allocated = OSSL_FUNC_CRYPTO_secure_allocated(in);
 651             break;
 652         case OSSL_FUNC_BIO_NEW_FILE:
 653             selftest_params.bio_new_file_cb = OSSL_FUNC_BIO_new_file(in);
 654             break;
 655         case OSSL_FUNC_BIO_NEW_MEMBUF:
 656             selftest_params.bio_new_buffer_cb = OSSL_FUNC_BIO_new_membuf(in);
 657             break;
 658         case OSSL_FUNC_BIO_READ_EX:
 659             selftest_params.bio_read_ex_cb = OSSL_FUNC_BIO_read_ex(in);
 660             break;
 661         case OSSL_FUNC_BIO_FREE:
 662             selftest_params.bio_free_cb = OSSL_FUNC_BIO_free(in);
 663             break;
 664         case OSSL_FUNC_BIO_VSNPRINTF:
 665             c_BIO_vsnprintf = OSSL_FUNC_BIO_vsnprintf(in);
 666             break;
 667         case OSSL_FUNC_SELF_TEST_CB: {
 668             c_stcbfn = OSSL_FUNC_self_test_cb(in);
 669             break;
 670         }
 671         default:
 672             /* Just ignore anything we don't understand */
 673             break;
 674         }
 675     }
 676
 677     set_self_test_cb(handle);
 678
 679     if (!c_get_params(handle, core_params)) {
 680         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
 681         return 0;
 682     }
 683     /* Disable the conditional error check if is disabled in the fips config file*/
 684     if (selftest_params.conditional_error_check != NULL
 685         && strcmp(selftest_params.conditional_error_check, "0") == 0)
 686         SELF_TEST_disable_conditional_error_state();
 687
 688     /* Disable the security check if is disabled in the fips config file*/
 689     if (fips_security_check_option != NULL
 690         && strcmp(fips_security_check_option, "0") == 0)
 691         fips_security_checks = 0;
 692
 693     /*  Create a context. */
 694     if ((*provctx = ossl_prov_ctx_new()) == NULL
 695         || (libctx = OSSL_LIB_CTX_new()) == NULL) {
 696         /*
 697          * We free libctx separately here and only here because it hasn't
 698          * been attached to *provctx.  All other error paths below rely
 699          * solely on fips_teardown.
 700          */
 701         OSSL_LIB_CTX_free(libctx);
 702         goto err;
 703     }
 704     ossl_prov_ctx_set0_library_context(*provctx, libctx);
 705     ossl_prov_ctx_set0_handle(*provctx, handle);
 706
 707     if ((fgbl = ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX,
 708                                       &fips_prov_ossl_ctx_method)) == NULL)
 709         goto err;
 710
 711     fgbl->handle = handle;
 712
 713     selftest_params.libctx = libctx;
 714     if (!SELF_TEST_post(&selftest_params, 0)) {
 715         ERR_raise(ERR_LIB_PROV, PROV_R_SELF_TEST_POST_FAILURE);
 716         goto err;
 717     }
 718
 719     /* TODO(3.0): Tests will hang if this is removed */
 720     (void)RAND_get0_public(libctx);
 721
 722     *out = fips_dispatch_table;
 723     return 1;
 724  err:
 725     fips_teardown(*provctx);
 726     *provctx = NULL;
 727     return 0;
 728 }
 729
 730 /*
 731  * The internal init function used when the FIPS module uses EVP to call
 732  * another algorithm also in the FIPS module. This is a recursive call that has
 733  * been made from within the FIPS module itself. To make this work, we populate
 734  * the provider context of this inner instance with the same library context
 735  * that was used in the EVP call that initiated this recursive call.
 736  */
 737 OSSL_provider_init_fn fips_intern_provider_init;
 738 int fips_intern_provider_init(const OSSL_CORE_HANDLE *handle,
 739                               const OSSL_DISPATCH *in,
 740                               const OSSL_DISPATCH **out,
 741                               void **provctx)
 742 {
 743     OSSL_FUNC_core_get_library_context_fn *c_internal_get_libctx = NULL;
 744
 745     for (; in->function_id != 0; in++) {
 746         switch (in->function_id) {
 747         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
 748             c_internal_get_libctx = OSSL_FUNC_core_get_library_context(in);
 749             break;
 750         default:
 751             break;
 752         }
 753     }
 754
 755     if (c_internal_get_libctx == NULL)
 756         return 0;
 757
 758     if ((*provctx = ossl_prov_ctx_new()) == NULL)
 759         return 0;
 760
 761     /*
 762      * Using the parent library context only works because we are a built-in
 763      * internal provider. This is not something that most providers would be
 764      * able to do.
 765      */
 766     ossl_prov_ctx_set0_library_context(
 767         *provctx, (OSSL_LIB_CTX *)c_internal_get_libctx(handle)
 768     );
 769     ossl_prov_ctx_set0_handle(*provctx, handle);
 770
 771     *out = intern_dispatch_table;
 772     return 1;
 773 }
 774
 775 void ERR_new(void)
 776 {
 777     c_new_error(NULL);
 778 }
 779
 780 void ERR_set_debug(const char *file, int line, const char *func)
 781 {
 782     c_set_error_debug(NULL, file, line, func);
 783 }
 784
 785 void ERR_set_error(int lib, int reason, const char *fmt, ...)
 786 {
 787     va_list args;
 788
 789     va_start(args, fmt);
 790     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 791     va_end(args);
 792 }
 793
 794 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
 795 {
 796     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 797 }
 798
 799 int ERR_set_mark(void)
 800 {
 801     return c_set_error_mark(NULL);
 802 }
 803
 804 int ERR_clear_last_mark(void)
 805 {
 806     return c_clear_last_error_mark(NULL);
 807 }
 808
 809 int ERR_pop_to_mark(void)
 810 {
 811     return c_pop_error_to_mark(NULL);
 812 }
 813
 814 /*
 815  * This must take a library context, since it's called from the depths
 816  * of crypto/initthread.c code, where it's (correctly) assumed that the
 817  * passed caller argument is an OSSL_LIB_CTX pointer (since the same routine
 818  * is also called from other parts of libcrypto, which all pass around a
 819  * OSSL_LIB_CTX pointer)
 820  */
 821 const OSSL_CORE_HANDLE *FIPS_get_core_handle(OSSL_LIB_CTX *libctx)
 822 {
 823     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
 824                                               OSSL_LIB_CTX_FIPS_PROV_INDEX,
 825                                               &fips_prov_ossl_ctx_method);
 826
 827     if (fgbl == NULL)
 828         return NULL;
 829
 830     return fgbl->handle;
 831 }
 832
 833 void *CRYPTO_malloc(size_t num, const char *file, int line)
 834 {
 835     return c_CRYPTO_malloc(num, file, line);
 836 }
 837
 838 void *CRYPTO_zalloc(size_t num, const char *file, int line)
 839 {
 840     return c_CRYPTO_zalloc(num, file, line);
 841 }
 842
 843 void CRYPTO_free(void *ptr, const char *file, int line)
 844 {
 845     c_CRYPTO_free(ptr, file, line);
 846 }
 847
 848 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line)
 849 {
 850     c_CRYPTO_clear_free(ptr, num, file, line);
 851 }
 852
 853 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line)
 854 {
 855     return c_CRYPTO_realloc(addr, num, file, line);
 856 }
 857
 858 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
 859                            const char *file, int line)
 860 {
 861     return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
 862 }
 863
 864 void *CRYPTO_secure_malloc(size_t num, const char *file, int line)
 865 {
 866     return c_CRYPTO_secure_malloc(num, file, line);
 867 }
 868
 869 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line)
 870 {
 871     return c_CRYPTO_secure_zalloc(num, file, line);
 872 }
 873
 874 void CRYPTO_secure_free(void *ptr, const char *file, int line)
 875 {
 876     c_CRYPTO_secure_free(ptr, file, line);
 877 }
 878
 879 void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line)
 880 {
 881     c_CRYPTO_secure_clear_free(ptr, num, file, line);
 882 }
 883
 884 int CRYPTO_secure_allocated(const void *ptr)
 885 {
 886     return c_CRYPTO_secure_allocated(ptr);
 887 }
 888
 889 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
 890 {
 891     va_list args;
 892     int ret;
 893
 894     va_start(args, format);
 895     ret = c_BIO_vsnprintf(buf, n, format, args);
 896     va_end(args);
 897     return ret;
 898 }
 899
 900 int FIPS_security_check_enabled(void)
 901 {
 902     return fips_security_checks;
 903 }
 904
 905 void OSSL_SELF_TEST_get_callback(OSSL_LIB_CTX *libctx, OSSL_CALLBACK **cb,
 906                                  void **cbarg)
 907 {
 908     if (libctx == NULL)
 909         libctx = selftest_params.libctx;
 910
 911     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 912         /* Get the parent libctx */
 913         c_stcbfn(c_get_libctx(FIPS_get_core_handle(libctx)), cb, cbarg);
 914     } else {
 915         if (cb != NULL)
 916             *cb = NULL;
 917         if (cbarg != NULL)
 918             *cbarg = NULL;
 919     }
 920 }