providers/fips/fipsprov.c

   1 /*
   2  * Copyright 2019-2021 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 <assert.h>
  11 #include <openssl/core_dispatch.h>
  12 #include <openssl/core_names.h>
  13 #include <openssl/params.h>
  14 #include <openssl/fips_names.h>
  15 #include <openssl/rand.h> /* RAND_get0_public() */
  16 #include <openssl/proverr.h>
  17 #include "internal/cryptlib.h"
  18 #include "prov/implementations.h"
  19 #include "prov/names.h"
  20 #include "prov/provider_ctx.h"
  21 #include "prov/providercommon.h"
  22 #include "prov/provider_util.h"
  23 #include "prov/seeding.h"
  24 #include "self_test.h"
  25
  26 static const char FIPS_DEFAULT_PROPERTIES[] = "provider=fips,fips=yes";
  27 static const char FIPS_UNAPPROVED_PROPERTIES[] = "provider=fips,fips=no";
  28
  29 /*
  30  * Forward declarations to ensure that interface functions are correctly
  31  * defined.
  32  */
  33 static OSSL_FUNC_provider_teardown_fn fips_teardown;
  34 static OSSL_FUNC_provider_gettable_params_fn fips_gettable_params;
  35 static OSSL_FUNC_provider_get_params_fn fips_get_params;
  36 static OSSL_FUNC_provider_query_operation_fn fips_query;
  37
  38 #define ALGC(NAMES, FUNC, CHECK) { { NAMES, FIPS_DEFAULT_PROPERTIES, FUNC }, CHECK }
  39 #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
  40
  41 extern OSSL_FUNC_core_thread_start_fn *c_thread_start;
  42 int FIPS_security_check_enabled(OSSL_LIB_CTX *libctx);
  43
  44 /*
  45  * Should these function pointers be stored in the provider side provctx? Could
  46  * they ever be different from one init to the next? We assume not for now.
  47  */
  48
  49 /* Functions provided by the core */
  50 static OSSL_FUNC_core_gettable_params_fn *c_gettable_params;
  51 static OSSL_FUNC_core_get_params_fn *c_get_params;
  52 OSSL_FUNC_core_thread_start_fn *c_thread_start;
  53 static OSSL_FUNC_core_new_error_fn *c_new_error;
  54 static OSSL_FUNC_core_set_error_debug_fn *c_set_error_debug;
  55 static OSSL_FUNC_core_vset_error_fn *c_vset_error;
  56 static OSSL_FUNC_core_set_error_mark_fn *c_set_error_mark;
  57 static OSSL_FUNC_core_clear_last_error_mark_fn *c_clear_last_error_mark;
  58 static OSSL_FUNC_core_pop_error_to_mark_fn *c_pop_error_to_mark;
  59 static OSSL_FUNC_CRYPTO_malloc_fn *c_CRYPTO_malloc;
  60 static OSSL_FUNC_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
  61 static OSSL_FUNC_CRYPTO_free_fn *c_CRYPTO_free;
  62 static OSSL_FUNC_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
  63 static OSSL_FUNC_CRYPTO_realloc_fn *c_CRYPTO_realloc;
  64 static OSSL_FUNC_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
  65 static OSSL_FUNC_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
  66 static OSSL_FUNC_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
  67 static OSSL_FUNC_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
  68 static OSSL_FUNC_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
  69 static OSSL_FUNC_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
  70 static OSSL_FUNC_BIO_vsnprintf_fn *c_BIO_vsnprintf;
  71 static OSSL_FUNC_self_test_cb_fn *c_stcbfn = NULL;
  72 static OSSL_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
  73
  74 typedef struct fips_global_st {
  75     const OSSL_CORE_HANDLE *handle;
  76     SELF_TEST_POST_PARAMS selftest_params;
  77     int fips_security_checks;
  78     const char *fips_security_check_option;
  79 } FIPS_GLOBAL;
  80
  81 static void *fips_prov_ossl_ctx_new(OSSL_LIB_CTX *libctx)
  82 {
  83     FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl));
  84
  85     if (fgbl == NULL)
  86         return NULL;
  87     fgbl->fips_security_checks = 1;
  88     fgbl->fips_security_check_option = "1";
  89
  90     return fgbl;
  91 }
  92
  93 static void fips_prov_ossl_ctx_free(void *fgbl)
  94 {
  95     OPENSSL_free(fgbl);
  96 }
  97
  98 static const OSSL_LIB_CTX_METHOD fips_prov_ossl_ctx_method = {
  99     fips_prov_ossl_ctx_new,
 100     fips_prov_ossl_ctx_free,
 101 };
 102
 103
 104 /* Parameters we provide to the core */
 105 static const OSSL_PARAM fips_param_types[] = {
 106     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
 107     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
 108     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
 109     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
 110     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_SECURITY_CHECKS, OSSL_PARAM_INTEGER, NULL, 0),
 111     OSSL_PARAM_END
 112 };
 113
 114 static int fips_get_params_from_core(FIPS_GLOBAL *fgbl)
 115 {
 116     /*
 117     * Parameters to retrieve from the core provider - required for self testing.
 118     * NOTE: inside core_get_params() these will be loaded from config items
 119     * stored inside prov->parameters (except for
 120     * OSSL_PROV_PARAM_CORE_MODULE_FILENAME).
 121     * OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS is not a self test parameter.
 122     */
 123     OSSL_PARAM core_params[8], *p = core_params;
 124
 125     *p++ = OSSL_PARAM_construct_utf8_ptr(
 126             OSSL_PROV_PARAM_CORE_MODULE_FILENAME,
 127             (char **)&fgbl->selftest_params.module_filename,
 128             sizeof(fgbl->selftest_params.module_filename));
 129     *p++ = OSSL_PARAM_construct_utf8_ptr(
 130             OSSL_PROV_FIPS_PARAM_MODULE_MAC,
 131             (char **)&fgbl->selftest_params.module_checksum_data,
 132             sizeof(fgbl->selftest_params.module_checksum_data));
 133     *p++ = OSSL_PARAM_construct_utf8_ptr(
 134             OSSL_PROV_FIPS_PARAM_INSTALL_MAC,
 135             (char **)&fgbl->selftest_params.indicator_checksum_data,
 136             sizeof(fgbl->selftest_params.indicator_checksum_data));
 137     *p++ = OSSL_PARAM_construct_utf8_ptr(
 138             OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
 139             (char **)&fgbl->selftest_params.indicator_data,
 140             sizeof(fgbl->selftest_params.indicator_data));
 141     *p++ = OSSL_PARAM_construct_utf8_ptr(
 142             OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
 143             (char **)&fgbl->selftest_params.indicator_version,
 144             sizeof(fgbl->selftest_params.indicator_version));
 145     *p++ = OSSL_PARAM_construct_utf8_ptr(
 146             OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
 147             (char **)&fgbl->selftest_params.conditional_error_check,
 148             sizeof(fgbl->selftest_params.conditional_error_check));
 149     *p++ = OSSL_PARAM_construct_utf8_ptr(
 150             OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS,
 151             (char **)&fgbl->fips_security_check_option,
 152             sizeof(fgbl->fips_security_check_option));
 153     *p = OSSL_PARAM_construct_end();
 154
 155     if (!c_get_params(fgbl->handle, core_params)) {
 156         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
 157         return 0;
 158     }
 159
 160     return 1;
 161 }
 162
 163 static const OSSL_PARAM *fips_gettable_params(void *provctx)
 164 {
 165     return fips_param_types;
 166 }
 167
 168 static int fips_get_params(void *provctx, OSSL_PARAM params[])
 169 {
 170     OSSL_PARAM *p;
 171     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
 172                                               OSSL_LIB_CTX_FIPS_PROV_INDEX,
 173                                               &fips_prov_ossl_ctx_method);
 174
 175     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
 176     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
 177         return 0;
 178     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
 179     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
 180         return 0;
 181     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
 182     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
 183         return 0;
 184     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
 185     if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
 186         return 0;
 187     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_SECURITY_CHECKS);
 188     if (p != NULL && !OSSL_PARAM_set_int(p, fgbl->fips_security_checks))
 189         return 0;
 190     return 1;
 191 }
 192
 193 static void set_self_test_cb(FIPS_GLOBAL *fgbl)
 194 {
 195     const OSSL_CORE_HANDLE *handle =
 196         FIPS_get_core_handle(fgbl->selftest_params.libctx);
 197
 198     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 199         c_stcbfn(c_get_libctx(handle), &fgbl->selftest_params.cb,
 200                               &fgbl->selftest_params.cb_arg);
 201     } else {
 202         fgbl->selftest_params.cb = NULL;
 203         fgbl->selftest_params.cb_arg = NULL;
 204     }
 205 }
 206
 207 static int fips_self_test(void *provctx)
 208 {
 209     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
 210                                               OSSL_LIB_CTX_FIPS_PROV_INDEX,
 211                                               &fips_prov_ossl_ctx_method);
 212
 213     set_self_test_cb(fgbl);
 214     return SELF_TEST_post(&fgbl->selftest_params, 1) ? 1 : 0;
 215 }
 216
 217 /*
 218  * For the algorithm names, we use the following formula for our primary
 219  * names:
 220  *
 221  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
 222  *
 223  *     VERSION is only present if there are multiple versions of
 224  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
 225  *     one version (if a subsequent version is released in the future,
 226  *     we can always change the canonical name, and add the old name
 227  *     as an alias).
 228  *
 229  *     SUBNAME may be present where we are combining multiple
 230  *     algorithms together, e.g. MD5-SHA1.
 231  *
 232  *     SIZE is only present if multiple versions of an algorithm exist
 233  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
 234  *
 235  *     MODE is only present where applicable.
 236  *
 237  * We add diverse other names where applicable, such as the names that
 238  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
 239  * we have used historically.
 240  */
 241 static const OSSL_ALGORITHM fips_digests[] = {
 242     /* Our primary name:NiST name[:our older names] */
 243     { PROV_NAMES_SHA1, FIPS_DEFAULT_PROPERTIES, ossl_sha1_functions },
 244     { PROV_NAMES_SHA2_224, FIPS_DEFAULT_PROPERTIES, ossl_sha224_functions },
 245     { PROV_NAMES_SHA2_256, FIPS_DEFAULT_PROPERTIES, ossl_sha256_functions },
 246     { PROV_NAMES_SHA2_384, FIPS_DEFAULT_PROPERTIES, ossl_sha384_functions },
 247     { PROV_NAMES_SHA2_512, FIPS_DEFAULT_PROPERTIES, ossl_sha512_functions },
 248     { PROV_NAMES_SHA2_512_224, FIPS_DEFAULT_PROPERTIES,
 249       ossl_sha512_224_functions },
 250     { PROV_NAMES_SHA2_512_256, FIPS_DEFAULT_PROPERTIES,
 251       ossl_sha512_256_functions },
 252
 253     /* We agree with NIST here, so one name only */
 254     { PROV_NAMES_SHA3_224, FIPS_DEFAULT_PROPERTIES, ossl_sha3_224_functions },
 255     { PROV_NAMES_SHA3_256, FIPS_DEFAULT_PROPERTIES, ossl_sha3_256_functions },
 256     { PROV_NAMES_SHA3_384, FIPS_DEFAULT_PROPERTIES, ossl_sha3_384_functions },
 257     { PROV_NAMES_SHA3_512, FIPS_DEFAULT_PROPERTIES, ossl_sha3_512_functions },
 258
 259     { PROV_NAMES_SHAKE_128, FIPS_DEFAULT_PROPERTIES, ossl_shake_128_functions },
 260     { PROV_NAMES_SHAKE_256, FIPS_DEFAULT_PROPERTIES, ossl_shake_256_functions },
 261
 262     /*
 263      * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
 264      * KMAC128 and KMAC256.
 265      */
 266     { PROV_NAMES_KECCAK_KMAC_128, FIPS_DEFAULT_PROPERTIES,
 267       ossl_keccak_kmac_128_functions },
 268     { PROV_NAMES_KECCAK_KMAC_256, FIPS_DEFAULT_PROPERTIES,
 269       ossl_keccak_kmac_256_functions },
 270     { NULL, NULL, NULL }
 271 };
 272
 273 static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = {
 274     /* Our primary name[:ASN.1 OID name][:our older names] */
 275     ALG(PROV_NAMES_AES_256_ECB, ossl_aes256ecb_functions),
 276     ALG(PROV_NAMES_AES_192_ECB, ossl_aes192ecb_functions),
 277     ALG(PROV_NAMES_AES_128_ECB, ossl_aes128ecb_functions),
 278     ALG(PROV_NAMES_AES_256_CBC, ossl_aes256cbc_functions),
 279     ALG(PROV_NAMES_AES_192_CBC, ossl_aes192cbc_functions),
 280     ALG(PROV_NAMES_AES_128_CBC, ossl_aes128cbc_functions),
 281     ALG(PROV_NAMES_AES_256_CBC_CTS, ossl_aes256cbc_cts_functions),
 282     ALG(PROV_NAMES_AES_192_CBC_CTS, ossl_aes192cbc_cts_functions),
 283     ALG(PROV_NAMES_AES_128_CBC_CTS, ossl_aes128cbc_cts_functions),
 284     ALG(PROV_NAMES_AES_256_OFB, ossl_aes256ofb_functions),
 285     ALG(PROV_NAMES_AES_192_OFB, ossl_aes192ofb_functions),
 286     ALG(PROV_NAMES_AES_128_OFB, ossl_aes128ofb_functions),
 287     ALG(PROV_NAMES_AES_256_CFB, ossl_aes256cfb_functions),
 288     ALG(PROV_NAMES_AES_192_CFB, ossl_aes192cfb_functions),
 289     ALG(PROV_NAMES_AES_128_CFB, ossl_aes128cfb_functions),
 290     ALG(PROV_NAMES_AES_256_CFB1, ossl_aes256cfb1_functions),
 291     ALG(PROV_NAMES_AES_192_CFB1, ossl_aes192cfb1_functions),
 292     ALG(PROV_NAMES_AES_128_CFB1, ossl_aes128cfb1_functions),
 293     ALG(PROV_NAMES_AES_256_CFB8, ossl_aes256cfb8_functions),
 294     ALG(PROV_NAMES_AES_192_CFB8, ossl_aes192cfb8_functions),
 295     ALG(PROV_NAMES_AES_128_CFB8, ossl_aes128cfb8_functions),
 296     ALG(PROV_NAMES_AES_256_CTR, ossl_aes256ctr_functions),
 297     ALG(PROV_NAMES_AES_192_CTR, ossl_aes192ctr_functions),
 298     ALG(PROV_NAMES_AES_128_CTR, ossl_aes128ctr_functions),
 299     ALG(PROV_NAMES_AES_256_XTS, ossl_aes256xts_functions),
 300     ALG(PROV_NAMES_AES_128_XTS, ossl_aes128xts_functions),
 301     ALG(PROV_NAMES_AES_256_GCM, ossl_aes256gcm_functions),
 302     ALG(PROV_NAMES_AES_192_GCM, ossl_aes192gcm_functions),
 303     ALG(PROV_NAMES_AES_128_GCM, ossl_aes128gcm_functions),
 304     ALG(PROV_NAMES_AES_256_CCM, ossl_aes256ccm_functions),
 305     ALG(PROV_NAMES_AES_192_CCM, ossl_aes192ccm_functions),
 306     ALG(PROV_NAMES_AES_128_CCM, ossl_aes128ccm_functions),
 307     ALG(PROV_NAMES_AES_256_WRAP, ossl_aes256wrap_functions),
 308     ALG(PROV_NAMES_AES_192_WRAP, ossl_aes192wrap_functions),
 309     ALG(PROV_NAMES_AES_128_WRAP, ossl_aes128wrap_functions),
 310     ALG(PROV_NAMES_AES_256_WRAP_PAD, ossl_aes256wrappad_functions),
 311     ALG(PROV_NAMES_AES_192_WRAP_PAD, ossl_aes192wrappad_functions),
 312     ALG(PROV_NAMES_AES_128_WRAP_PAD, ossl_aes128wrappad_functions),
 313     ALG(PROV_NAMES_AES_256_WRAP_INV, ossl_aes256wrapinv_functions),
 314     ALG(PROV_NAMES_AES_192_WRAP_INV, ossl_aes192wrapinv_functions),
 315     ALG(PROV_NAMES_AES_128_WRAP_INV, ossl_aes128wrapinv_functions),
 316     ALG(PROV_NAMES_AES_256_WRAP_PAD_INV, ossl_aes256wrappadinv_functions),
 317     ALG(PROV_NAMES_AES_192_WRAP_PAD_INV, ossl_aes192wrappadinv_functions),
 318     ALG(PROV_NAMES_AES_128_WRAP_PAD_INV, ossl_aes128wrappadinv_functions),
 319     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA1, ossl_aes128cbc_hmac_sha1_functions,
 320          ossl_cipher_capable_aes_cbc_hmac_sha1),
 321     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA1, ossl_aes256cbc_hmac_sha1_functions,
 322          ossl_cipher_capable_aes_cbc_hmac_sha1),
 323     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA256, ossl_aes128cbc_hmac_sha256_functions,
 324          ossl_cipher_capable_aes_cbc_hmac_sha256),
 325     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA256, ossl_aes256cbc_hmac_sha256_functions,
 326          ossl_cipher_capable_aes_cbc_hmac_sha256),
 327 #ifndef OPENSSL_NO_DES
 328     ALG(PROV_NAMES_DES_EDE3_ECB, ossl_tdes_ede3_ecb_functions),
 329     ALG(PROV_NAMES_DES_EDE3_CBC, ossl_tdes_ede3_cbc_functions),
 330 #endif  /* OPENSSL_NO_DES */
 331     { { NULL, NULL, NULL }, NULL }
 332 };
 333 static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)];
 334
 335 static const OSSL_ALGORITHM fips_macs[] = {
 336 #ifndef OPENSSL_NO_CMAC
 337     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES, ossl_cmac_functions },
 338 #endif
 339     { PROV_NAMES_GMAC, FIPS_DEFAULT_PROPERTIES, ossl_gmac_functions },
 340     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_hmac_functions },
 341     { PROV_NAMES_KMAC_128, FIPS_DEFAULT_PROPERTIES, ossl_kmac128_functions },
 342     { PROV_NAMES_KMAC_256, FIPS_DEFAULT_PROPERTIES, ossl_kmac256_functions },
 343     { NULL, NULL, NULL }
 344 };
 345
 346 static const OSSL_ALGORITHM fips_kdfs[] = {
 347     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_functions },
 348     { PROV_NAMES_SSKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sskdf_functions },
 349     { PROV_NAMES_PBKDF2, FIPS_DEFAULT_PROPERTIES, ossl_kdf_pbkdf2_functions },
 350     { PROV_NAMES_SSHKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sshkdf_functions },
 351     { PROV_NAMES_X963KDF, FIPS_DEFAULT_PROPERTIES,
 352       ossl_kdf_x963_kdf_functions },
 353     { PROV_NAMES_X942KDF_ASN1, FIPS_DEFAULT_PROPERTIES,
 354       ossl_kdf_x942_kdf_functions },
 355     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
 356       ossl_kdf_tls1_prf_functions },
 357     { PROV_NAMES_KBKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_kbkdf_functions },
 358     { NULL, NULL, NULL }
 359 };
 360
 361 static const OSSL_ALGORITHM fips_rands[] = {
 362     { PROV_NAMES_CTR_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ctr_functions },
 363     { PROV_NAMES_HASH_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_hash_functions },
 364     { PROV_NAMES_HMAC_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ossl_hmac_functions },
 365     { PROV_NAMES_TEST_RAND, FIPS_UNAPPROVED_PROPERTIES, ossl_test_rng_functions },
 366     { NULL, NULL, NULL }
 367 };
 368
 369 static const OSSL_ALGORITHM fips_keyexch[] = {
 370 #ifndef OPENSSL_NO_DH
 371     { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keyexch_functions },
 372 #endif
 373 #ifndef OPENSSL_NO_EC
 374     { PROV_NAMES_ECDH, FIPS_DEFAULT_PROPERTIES, ossl_ecdh_keyexch_functions },
 375     { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keyexch_functions },
 376     { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keyexch_functions },
 377 #endif
 378     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
 379       ossl_kdf_tls1_prf_keyexch_functions },
 380     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_keyexch_functions },
 381     { NULL, NULL, NULL }
 382 };
 383
 384 static const OSSL_ALGORITHM fips_signature[] = {
 385 #ifndef OPENSSL_NO_DSA
 386     { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_signature_functions },
 387 #endif
 388     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_signature_functions },
 389 #ifndef OPENSSL_NO_EC
 390     { PROV_NAMES_ED25519, FIPS_DEFAULT_PROPERTIES, ossl_ed25519_signature_functions },
 391     { PROV_NAMES_ED448, FIPS_DEFAULT_PROPERTIES, ossl_ed448_signature_functions },
 392     { PROV_NAMES_ECDSA, FIPS_DEFAULT_PROPERTIES, ossl_ecdsa_signature_functions },
 393 #endif
 394     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES,
 395       ossl_mac_legacy_hmac_signature_functions },
 396 #ifndef OPENSSL_NO_CMAC
 397     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
 398       ossl_mac_legacy_cmac_signature_functions },
 399 #endif
 400     { NULL, NULL, NULL }
 401 };
 402
 403 static const OSSL_ALGORITHM fips_asym_cipher[] = {
 404     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_cipher_functions },
 405     { NULL, NULL, NULL }
 406 };
 407
 408 static const OSSL_ALGORITHM fips_asym_kem[] = {
 409     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_kem_functions },
 410     { NULL, NULL, NULL }
 411 };
 412
 413 static const OSSL_ALGORITHM fips_keymgmt[] = {
 414 #ifndef OPENSSL_NO_DH
 415     { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keymgmt_functions,
 416       PROV_DESCS_DH },
 417     { PROV_NAMES_DHX, FIPS_DEFAULT_PROPERTIES, ossl_dhx_keymgmt_functions,
 418       PROV_DESCS_DHX },
 419 #endif
 420 #ifndef OPENSSL_NO_DSA
 421     { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_keymgmt_functions,
 422       PROV_DESCS_DSA },
 423 #endif
 424     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_keymgmt_functions,
 425       PROV_DESCS_RSA },
 426     { PROV_NAMES_RSA_PSS, FIPS_DEFAULT_PROPERTIES,
 427       ossl_rsapss_keymgmt_functions, PROV_DESCS_RSA_PSS },
 428 #ifndef OPENSSL_NO_EC
 429     { PROV_NAMES_EC, FIPS_DEFAULT_PROPERTIES, ossl_ec_keymgmt_functions,
 430       PROV_DESCS_EC },
 431     { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keymgmt_functions,
 432       PROV_DESCS_X25519 },
 433     { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keymgmt_functions,
 434       PROV_DESCS_X448 },
 435     { PROV_NAMES_ED25519, FIPS_DEFAULT_PROPERTIES, ossl_ed25519_keymgmt_functions,
 436       PROV_DESCS_ED25519 },
 437     { PROV_NAMES_ED448, FIPS_DEFAULT_PROPERTIES, ossl_ed448_keymgmt_functions,
 438       PROV_DESCS_ED448 },
 439 #endif
 440     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
 441       PROV_DESCS_TLS1_PRF_SIGN },
 442     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
 443       PROV_DESCS_HKDF_SIGN },
 444     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_mac_legacy_keymgmt_functions,
 445       PROV_DESCS_HMAC_SIGN },
 446 #ifndef OPENSSL_NO_CMAC
 447     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
 448       ossl_cmac_legacy_keymgmt_functions, PROV_DESCS_CMAC_SIGN },
 449 #endif
 450     { NULL, NULL, NULL }
 451 };
 452
 453 static const OSSL_ALGORITHM *fips_query(void *provctx, int operation_id,
 454                                         int *no_cache)
 455 {
 456     *no_cache = 0;
 457
 458     if (!ossl_prov_is_running())
 459         return NULL;
 460
 461     switch (operation_id) {
 462     case OSSL_OP_DIGEST:
 463         return fips_digests;
 464     case OSSL_OP_CIPHER:
 465         return exported_fips_ciphers;
 466     case OSSL_OP_MAC:
 467         return fips_macs;
 468     case OSSL_OP_KDF:
 469         return fips_kdfs;
 470     case OSSL_OP_RAND:
 471         return fips_rands;
 472     case OSSL_OP_KEYMGMT:
 473         return fips_keymgmt;
 474     case OSSL_OP_KEYEXCH:
 475         return fips_keyexch;
 476     case OSSL_OP_SIGNATURE:
 477         return fips_signature;
 478     case OSSL_OP_ASYM_CIPHER:
 479         return fips_asym_cipher;
 480     case OSSL_OP_KEM:
 481         return fips_asym_kem;
 482     }
 483     return NULL;
 484 }
 485
 486 static void fips_teardown(void *provctx)
 487 {
 488     OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx));
 489     ossl_prov_ctx_free(provctx);
 490 }
 491
 492 static void fips_intern_teardown(void *provctx)
 493 {
 494     /*
 495      * We know that the library context is the same as for the outer provider,
 496      * so no need to destroy it here.
 497      */
 498     ossl_prov_ctx_free(provctx);
 499 }
 500
 501 /* Functions we provide to the core */
 502 static const OSSL_DISPATCH fips_dispatch_table[] = {
 503     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown },
 504     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params },
 505     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
 506     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 507     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
 508       (void (*)(void))ossl_prov_get_capabilities },
 509     { OSSL_FUNC_PROVIDER_SELF_TEST, (void (*)(void))fips_self_test },
 510     { 0, NULL }
 511 };
 512
 513 /* Functions we provide to ourself */
 514 static const OSSL_DISPATCH intern_dispatch_table[] = {
 515     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown },
 516     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 517     { 0, NULL }
 518 };
 519
 520 int OSSL_provider_init(const OSSL_CORE_HANDLE *handle,
 521                        const OSSL_DISPATCH *in,
 522                        const OSSL_DISPATCH **out,
 523                        void **provctx)
 524 {
 525     FIPS_GLOBAL *fgbl;
 526     OSSL_LIB_CTX *libctx = NULL;
 527     SELF_TEST_POST_PARAMS selftest_params;
 528
 529     memset(&selftest_params, 0, sizeof(selftest_params));
 530
 531     if (!ossl_prov_seeding_from_dispatch(in))
 532         return 0;
 533     for (; in->function_id != 0; in++) {
 534         /*
 535          * We do not support the scenario of an application linked against
 536          * multiple versions of libcrypto (e.g. one static and one dynamic), but
 537          * sharing a single fips.so. We do a simple sanity check here.
 538          */
 539 #define set_func(c, f) if (c == NULL) c = f; else if (c != f) return 0;
 540         switch (in->function_id) {
 541         case OSSL_FUNC_CORE_GET_LIBCTX:
 542             set_func(c_get_libctx, OSSL_FUNC_core_get_libctx(in));
 543             break;
 544         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
 545             set_func(c_gettable_params, OSSL_FUNC_core_gettable_params(in));
 546             break;
 547         case OSSL_FUNC_CORE_GET_PARAMS:
 548             set_func(c_get_params, OSSL_FUNC_core_get_params(in));
 549             break;
 550         case OSSL_FUNC_CORE_THREAD_START:
 551             set_func(c_thread_start, OSSL_FUNC_core_thread_start(in));
 552             break;
 553         case OSSL_FUNC_CORE_NEW_ERROR:
 554             set_func(c_new_error, OSSL_FUNC_core_new_error(in));
 555             break;
 556         case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
 557             set_func(c_set_error_debug, OSSL_FUNC_core_set_error_debug(in));
 558             break;
 559         case OSSL_FUNC_CORE_VSET_ERROR:
 560             set_func(c_vset_error, OSSL_FUNC_core_vset_error(in));
 561             break;
 562         case OSSL_FUNC_CORE_SET_ERROR_MARK:
 563             set_func(c_set_error_mark, OSSL_FUNC_core_set_error_mark(in));
 564             break;
 565         case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK:
 566             set_func(c_clear_last_error_mark,
 567                      OSSL_FUNC_core_clear_last_error_mark(in));
 568             break;
 569         case OSSL_FUNC_CORE_POP_ERROR_TO_MARK:
 570             set_func(c_pop_error_to_mark, OSSL_FUNC_core_pop_error_to_mark(in));
 571             break;
 572         case OSSL_FUNC_CRYPTO_MALLOC:
 573             set_func(c_CRYPTO_malloc, OSSL_FUNC_CRYPTO_malloc(in));
 574             break;
 575         case OSSL_FUNC_CRYPTO_ZALLOC:
 576             set_func(c_CRYPTO_zalloc, OSSL_FUNC_CRYPTO_zalloc(in));
 577             break;
 578         case OSSL_FUNC_CRYPTO_FREE:
 579             set_func(c_CRYPTO_free, OSSL_FUNC_CRYPTO_free(in));
 580             break;
 581         case OSSL_FUNC_CRYPTO_CLEAR_FREE:
 582             set_func(c_CRYPTO_clear_free, OSSL_FUNC_CRYPTO_clear_free(in));
 583             break;
 584         case OSSL_FUNC_CRYPTO_REALLOC:
 585             set_func(c_CRYPTO_realloc, OSSL_FUNC_CRYPTO_realloc(in));
 586             break;
 587         case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
 588             set_func(c_CRYPTO_clear_realloc,
 589                      OSSL_FUNC_CRYPTO_clear_realloc(in));
 590             break;
 591         case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
 592             set_func(c_CRYPTO_secure_malloc,
 593                      OSSL_FUNC_CRYPTO_secure_malloc(in));
 594             break;
 595         case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
 596             set_func(c_CRYPTO_secure_zalloc,
 597                      OSSL_FUNC_CRYPTO_secure_zalloc(in));
 598             break;
 599         case OSSL_FUNC_CRYPTO_SECURE_FREE:
 600             set_func(c_CRYPTO_secure_free,
 601                      OSSL_FUNC_CRYPTO_secure_free(in));
 602             break;
 603         case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
 604             set_func(c_CRYPTO_secure_clear_free,
 605                      OSSL_FUNC_CRYPTO_secure_clear_free(in));
 606             break;
 607         case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
 608             set_func(c_CRYPTO_secure_allocated,
 609                      OSSL_FUNC_CRYPTO_secure_allocated(in));
 610             break;
 611         case OSSL_FUNC_BIO_NEW_FILE:
 612             set_func(selftest_params.bio_new_file_cb,
 613                      OSSL_FUNC_BIO_new_file(in));
 614             break;
 615         case OSSL_FUNC_BIO_NEW_MEMBUF:
 616             set_func(selftest_params.bio_new_buffer_cb,
 617                      OSSL_FUNC_BIO_new_membuf(in));
 618             break;
 619         case OSSL_FUNC_BIO_READ_EX:
 620             set_func(selftest_params.bio_read_ex_cb,
 621                      OSSL_FUNC_BIO_read_ex(in));
 622             break;
 623         case OSSL_FUNC_BIO_FREE:
 624             set_func(selftest_params.bio_free_cb, OSSL_FUNC_BIO_free(in));
 625             break;
 626         case OSSL_FUNC_BIO_VSNPRINTF:
 627             set_func(c_BIO_vsnprintf, OSSL_FUNC_BIO_vsnprintf(in));
 628             break;
 629         case OSSL_FUNC_SELF_TEST_CB:
 630             set_func(c_stcbfn, OSSL_FUNC_self_test_cb(in));
 631             break;
 632         default:
 633             /* Just ignore anything we don't understand */
 634             break;
 635         }
 636     }
 637
 638     /*  Create a context. */
 639     if ((*provctx = ossl_prov_ctx_new()) == NULL
 640         || (libctx = OSSL_LIB_CTX_new()) == NULL) {
 641         /*
 642          * We free libctx separately here and only here because it hasn't
 643          * been attached to *provctx.  All other error paths below rely
 644          * solely on fips_teardown.
 645          */
 646         OSSL_LIB_CTX_free(libctx);
 647         goto err;
 648     }
 649     ossl_prov_ctx_set0_libctx(*provctx, libctx);
 650     ossl_prov_ctx_set0_handle(*provctx, handle);
 651
 652     if ((fgbl = ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX,
 653                                       &fips_prov_ossl_ctx_method)) == NULL)
 654         goto err;
 655
 656     fgbl->handle = handle;
 657
 658     /*
 659      * We did initial set up of selftest_params in a local copy, because we
 660      * could not create fgbl until c_CRYPTO_zalloc was defined in the loop
 661      * above.
 662      */
 663     fgbl->selftest_params = selftest_params;
 664
 665     fgbl->selftest_params.libctx = libctx;
 666
 667     set_self_test_cb(fgbl);
 668
 669     if (!fips_get_params_from_core(fgbl)) {
 670         /* Error already raised */
 671         return 0;
 672     }
 673     /*
 674      * Disable the conditional error check if it's disabled in the fips config
 675      * file.
 676      */
 677     if (fgbl->selftest_params.conditional_error_check != NULL
 678         && strcmp(fgbl->selftest_params.conditional_error_check, "0") == 0)
 679         SELF_TEST_disable_conditional_error_state();
 680
 681     /* Disable the security check if it's disabled in the fips config file. */
 682     if (fgbl->fips_security_check_option != NULL
 683         && strcmp(fgbl->fips_security_check_option, "0") == 0)
 684         fgbl->fips_security_checks = 0;
 685
 686     ossl_prov_cache_exported_algorithms(fips_ciphers, exported_fips_ciphers);
 687
 688     if (!SELF_TEST_post(&fgbl->selftest_params, 0)) {
 689         ERR_raise(ERR_LIB_PROV, PROV_R_SELF_TEST_POST_FAILURE);
 690         goto err;
 691     }
 692
 693     *out = fips_dispatch_table;
 694     return 1;
 695  err:
 696     fips_teardown(*provctx);
 697     *provctx = NULL;
 698     return 0;
 699 }
 700
 701 /*
 702  * The internal init function used when the FIPS module uses EVP to call
 703  * another algorithm also in the FIPS module. This is a recursive call that has
 704  * been made from within the FIPS module itself. To make this work, we populate
 705  * the provider context of this inner instance with the same library context
 706  * that was used in the EVP call that initiated this recursive call.
 707  */
 708 OSSL_provider_init_fn ossl_fips_intern_provider_init;
 709 int ossl_fips_intern_provider_init(const OSSL_CORE_HANDLE *handle,
 710                                    const OSSL_DISPATCH *in,
 711                                    const OSSL_DISPATCH **out,
 712                                    void **provctx)
 713 {
 714     OSSL_FUNC_core_get_libctx_fn *c_internal_get_libctx = NULL;
 715
 716     for (; in->function_id != 0; in++) {
 717         switch (in->function_id) {
 718         case OSSL_FUNC_CORE_GET_LIBCTX:
 719             c_internal_get_libctx = OSSL_FUNC_core_get_libctx(in);
 720             break;
 721         default:
 722             break;
 723         }
 724     }
 725
 726     if (c_internal_get_libctx == NULL)
 727         return 0;
 728
 729     if ((*provctx = ossl_prov_ctx_new()) == NULL)
 730         return 0;
 731
 732     /*
 733      * Using the parent library context only works because we are a built-in
 734      * internal provider. This is not something that most providers would be
 735      * able to do.
 736      */
 737     ossl_prov_ctx_set0_libctx(*provctx,
 738                               (OSSL_LIB_CTX *)c_internal_get_libctx(handle));
 739     ossl_prov_ctx_set0_handle(*provctx, handle);
 740
 741     *out = intern_dispatch_table;
 742     return 1;
 743 }
 744
 745 void ERR_new(void)
 746 {
 747     c_new_error(NULL);
 748 }
 749
 750 void ERR_set_debug(const char *file, int line, const char *func)
 751 {
 752     c_set_error_debug(NULL, file, line, func);
 753 }
 754
 755 void ERR_set_error(int lib, int reason, const char *fmt, ...)
 756 {
 757     va_list args;
 758
 759     va_start(args, fmt);
 760     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 761     va_end(args);
 762 }
 763
 764 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
 765 {
 766     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 767 }
 768
 769 int ERR_set_mark(void)
 770 {
 771     return c_set_error_mark(NULL);
 772 }
 773
 774 int ERR_clear_last_mark(void)
 775 {
 776     return c_clear_last_error_mark(NULL);
 777 }
 778
 779 int ERR_pop_to_mark(void)
 780 {
 781     return c_pop_error_to_mark(NULL);
 782 }
 783
 784 /*
 785  * This must take a library context, since it's called from the depths
 786  * of crypto/initthread.c code, where it's (correctly) assumed that the
 787  * passed caller argument is an OSSL_LIB_CTX pointer (since the same routine
 788  * is also called from other parts of libcrypto, which all pass around a
 789  * OSSL_LIB_CTX pointer)
 790  */
 791 const OSSL_CORE_HANDLE *FIPS_get_core_handle(OSSL_LIB_CTX *libctx)
 792 {
 793     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
 794                                               OSSL_LIB_CTX_FIPS_PROV_INDEX,
 795                                               &fips_prov_ossl_ctx_method);
 796
 797     if (fgbl == NULL)
 798         return NULL;
 799
 800     return fgbl->handle;
 801 }
 802
 803 void *CRYPTO_malloc(size_t num, const char *file, int line)
 804 {
 805     return c_CRYPTO_malloc(num, file, line);
 806 }
 807
 808 void *CRYPTO_zalloc(size_t num, const char *file, int line)
 809 {
 810     return c_CRYPTO_zalloc(num, file, line);
 811 }
 812
 813 void CRYPTO_free(void *ptr, const char *file, int line)
 814 {
 815     c_CRYPTO_free(ptr, file, line);
 816 }
 817
 818 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line)
 819 {
 820     c_CRYPTO_clear_free(ptr, num, file, line);
 821 }
 822
 823 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line)
 824 {
 825     return c_CRYPTO_realloc(addr, num, file, line);
 826 }
 827
 828 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
 829                            const char *file, int line)
 830 {
 831     return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
 832 }
 833
 834 void *CRYPTO_secure_malloc(size_t num, const char *file, int line)
 835 {
 836     return c_CRYPTO_secure_malloc(num, file, line);
 837 }
 838
 839 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line)
 840 {
 841     return c_CRYPTO_secure_zalloc(num, file, line);
 842 }
 843
 844 void CRYPTO_secure_free(void *ptr, const char *file, int line)
 845 {
 846     c_CRYPTO_secure_free(ptr, file, line);
 847 }
 848
 849 void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line)
 850 {
 851     c_CRYPTO_secure_clear_free(ptr, num, file, line);
 852 }
 853
 854 int CRYPTO_secure_allocated(const void *ptr)
 855 {
 856     return c_CRYPTO_secure_allocated(ptr);
 857 }
 858
 859 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
 860 {
 861     va_list args;
 862     int ret;
 863
 864     va_start(args, format);
 865     ret = c_BIO_vsnprintf(buf, n, format, args);
 866     va_end(args);
 867     return ret;
 868 }
 869
 870 int FIPS_security_check_enabled(OSSL_LIB_CTX *libctx)
 871 {
 872     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
 873                                               OSSL_LIB_CTX_FIPS_PROV_INDEX,
 874                                               &fips_prov_ossl_ctx_method);
 875
 876     return fgbl->fips_security_checks;
 877 }
 878
 879 void OSSL_SELF_TEST_get_callback(OSSL_LIB_CTX *libctx, OSSL_CALLBACK **cb,
 880                                  void **cbarg)
 881 {
 882     assert(libctx != NULL);
 883
 884     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 885         /* Get the parent libctx */
 886         c_stcbfn(c_get_libctx(FIPS_get_core_handle(libctx)), cb, cbarg);
 887     } else {
 888         if (cb != NULL)
 889             *cb = NULL;
 890         if (cbarg != NULL)
 891             *cbarg = NULL;
 892     }
 893 }