providers/fips/fipsprov.c

   1 /*
   2  * Copyright 2019-2022 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 #include "crypto/context.h"
  26 #include "internal/core.h"
  27 #include "internal/e_os.h"
  28
  29 static const char FIPS_DEFAULT_PROPERTIES[] = "provider=fips,fips=yes";
  30 static const char FIPS_UNAPPROVED_PROPERTIES[] = "provider=fips,fips=no";
  31
  32 /*
  33  * Forward declarations to ensure that interface functions are correctly
  34  * defined.
  35  */
  36 static OSSL_FUNC_provider_teardown_fn fips_teardown;
  37 static OSSL_FUNC_provider_gettable_params_fn fips_gettable_params;
  38 static OSSL_FUNC_provider_get_params_fn fips_get_params;
  39 static OSSL_FUNC_provider_query_operation_fn fips_query;
  40
  41 /* Locale object accessor functions */
  42 #ifndef OPENSSL_NO_LOCALE
  43 # include <locale.h>
  44 # ifdef OPENSSL_SYS_MACOSX
  45 #  include <xlocale.h>
  46 # endif
  47 static locale_t loc;
  48 #endif
  49
  50 static int fips_init_casecmp(void);
  51 static void fips_deinit_casecmp(void);
  52
  53 #define ALGC(NAMES, FUNC, CHECK) { { NAMES, FIPS_DEFAULT_PROPERTIES, FUNC }, CHECK }
  54 #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
  55
  56 extern OSSL_FUNC_core_thread_start_fn *c_thread_start;
  57 int FIPS_security_check_enabled(OSSL_LIB_CTX *libctx);
  58
  59 /*
  60  * Should these function pointers be stored in the provider side provctx? Could
  61  * they ever be different from one init to the next? We assume not for now.
  62  */
  63
  64 /* Functions provided by the core */
  65 static OSSL_FUNC_core_gettable_params_fn *c_gettable_params;
  66 static OSSL_FUNC_core_get_params_fn *c_get_params;
  67 OSSL_FUNC_core_thread_start_fn *c_thread_start;
  68 static OSSL_FUNC_core_new_error_fn *c_new_error;
  69 static OSSL_FUNC_core_set_error_debug_fn *c_set_error_debug;
  70 static OSSL_FUNC_core_vset_error_fn *c_vset_error;
  71 static OSSL_FUNC_core_set_error_mark_fn *c_set_error_mark;
  72 static OSSL_FUNC_core_clear_last_error_mark_fn *c_clear_last_error_mark;
  73 static OSSL_FUNC_core_pop_error_to_mark_fn *c_pop_error_to_mark;
  74 static OSSL_FUNC_CRYPTO_malloc_fn *c_CRYPTO_malloc;
  75 static OSSL_FUNC_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
  76 static OSSL_FUNC_CRYPTO_free_fn *c_CRYPTO_free;
  77 static OSSL_FUNC_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
  78 static OSSL_FUNC_CRYPTO_realloc_fn *c_CRYPTO_realloc;
  79 static OSSL_FUNC_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
  80 static OSSL_FUNC_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
  81 static OSSL_FUNC_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
  82 static OSSL_FUNC_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
  83 static OSSL_FUNC_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
  84 static OSSL_FUNC_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
  85 static OSSL_FUNC_BIO_vsnprintf_fn *c_BIO_vsnprintf;
  86 static OSSL_FUNC_self_test_cb_fn *c_stcbfn = NULL;
  87 static OSSL_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
  88
  89 typedef struct fips_global_st {
  90     const OSSL_CORE_HANDLE *handle;
  91     SELF_TEST_POST_PARAMS selftest_params;
  92     int fips_security_checks;
  93     const char *fips_security_check_option;
  94 } FIPS_GLOBAL;
  95
  96 void *ossl_fips_prov_ossl_ctx_new(OSSL_LIB_CTX *libctx)
  97 {
  98     FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl));
  99
 100     if (fgbl == NULL)
 101         return NULL;
 102     fgbl->fips_security_checks = 1;
 103     fgbl->fips_security_check_option = "1";
 104
 105     return fgbl;
 106 }
 107
 108 void ossl_fips_prov_ossl_ctx_free(void *fgbl)
 109 {
 110     OPENSSL_free(fgbl);
 111 }
 112
 113 /* Parameters we provide to the core */
 114 static const OSSL_PARAM fips_param_types[] = {
 115     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
 116     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
 117     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
 118     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
 119     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_SECURITY_CHECKS, OSSL_PARAM_INTEGER, NULL, 0),
 120     OSSL_PARAM_END
 121 };
 122
 123 static int fips_get_params_from_core(FIPS_GLOBAL *fgbl)
 124 {
 125     /*
 126     * Parameters to retrieve from the core provider - required for self testing.
 127     * NOTE: inside core_get_params() these will be loaded from config items
 128     * stored inside prov->parameters (except for
 129     * OSSL_PROV_PARAM_CORE_MODULE_FILENAME).
 130     * OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS is not a self test parameter.
 131     */
 132     OSSL_PARAM core_params[8], *p = core_params;
 133
 134     *p++ = OSSL_PARAM_construct_utf8_ptr(
 135             OSSL_PROV_PARAM_CORE_MODULE_FILENAME,
 136             (char **)&fgbl->selftest_params.module_filename,
 137             sizeof(fgbl->selftest_params.module_filename));
 138     *p++ = OSSL_PARAM_construct_utf8_ptr(
 139             OSSL_PROV_FIPS_PARAM_MODULE_MAC,
 140             (char **)&fgbl->selftest_params.module_checksum_data,
 141             sizeof(fgbl->selftest_params.module_checksum_data));
 142     *p++ = OSSL_PARAM_construct_utf8_ptr(
 143             OSSL_PROV_FIPS_PARAM_INSTALL_MAC,
 144             (char **)&fgbl->selftest_params.indicator_checksum_data,
 145             sizeof(fgbl->selftest_params.indicator_checksum_data));
 146     *p++ = OSSL_PARAM_construct_utf8_ptr(
 147             OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
 148             (char **)&fgbl->selftest_params.indicator_data,
 149             sizeof(fgbl->selftest_params.indicator_data));
 150     *p++ = OSSL_PARAM_construct_utf8_ptr(
 151             OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
 152             (char **)&fgbl->selftest_params.indicator_version,
 153             sizeof(fgbl->selftest_params.indicator_version));
 154     *p++ = OSSL_PARAM_construct_utf8_ptr(
 155             OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
 156             (char **)&fgbl->selftest_params.conditional_error_check,
 157             sizeof(fgbl->selftest_params.conditional_error_check));
 158     *p++ = OSSL_PARAM_construct_utf8_ptr(
 159             OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS,
 160             (char **)&fgbl->fips_security_check_option,
 161             sizeof(fgbl->fips_security_check_option));
 162     *p = OSSL_PARAM_construct_end();
 163
 164     if (!c_get_params(fgbl->handle, core_params)) {
 165         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
 166         return 0;
 167     }
 168
 169     return 1;
 170 }
 171
 172 static const OSSL_PARAM *fips_gettable_params(void *provctx)
 173 {
 174     return fips_param_types;
 175 }
 176
 177 static int fips_get_params(void *provctx, OSSL_PARAM params[])
 178 {
 179     OSSL_PARAM *p;
 180     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
 181                                               OSSL_LIB_CTX_FIPS_PROV_INDEX);
 182
 183     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
 184     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
 185         return 0;
 186     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
 187     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
 188         return 0;
 189     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
 190     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
 191         return 0;
 192     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
 193     if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
 194         return 0;
 195     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_SECURITY_CHECKS);
 196     if (p != NULL && !OSSL_PARAM_set_int(p, fgbl->fips_security_checks))
 197         return 0;
 198     return 1;
 199 }
 200
 201 static void set_self_test_cb(FIPS_GLOBAL *fgbl)
 202 {
 203     const OSSL_CORE_HANDLE *handle =
 204         FIPS_get_core_handle(fgbl->selftest_params.libctx);
 205
 206     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 207         c_stcbfn(c_get_libctx(handle), &fgbl->selftest_params.cb,
 208                               &fgbl->selftest_params.cb_arg);
 209     } else {
 210         fgbl->selftest_params.cb = NULL;
 211         fgbl->selftest_params.cb_arg = NULL;
 212     }
 213 }
 214
 215 static int fips_self_test(void *provctx)
 216 {
 217     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
 218                                               OSSL_LIB_CTX_FIPS_PROV_INDEX);
 219
 220     set_self_test_cb(fgbl);
 221     return SELF_TEST_post(&fgbl->selftest_params, 1) ? 1 : 0;
 222 }
 223
 224 /*
 225  * For the algorithm names, we use the following formula for our primary
 226  * names:
 227  *
 228  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
 229  *
 230  *     VERSION is only present if there are multiple versions of
 231  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
 232  *     one version (if a subsequent version is released in the future,
 233  *     we can always change the canonical name, and add the old name
 234  *     as an alias).
 235  *
 236  *     SUBNAME may be present where we are combining multiple
 237  *     algorithms together, e.g. MD5-SHA1.
 238  *
 239  *     SIZE is only present if multiple versions of an algorithm exist
 240  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
 241  *
 242  *     MODE is only present where applicable.
 243  *
 244  * We add diverse other names where applicable, such as the names that
 245  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
 246  * we have used historically.
 247  */
 248 static const OSSL_ALGORITHM fips_digests[] = {
 249     /* Our primary name:NiST name[:our older names] */
 250     { PROV_NAMES_SHA1, FIPS_DEFAULT_PROPERTIES, ossl_sha1_functions },
 251     { PROV_NAMES_SHA2_224, FIPS_DEFAULT_PROPERTIES, ossl_sha224_functions },
 252     { PROV_NAMES_SHA2_256, FIPS_DEFAULT_PROPERTIES, ossl_sha256_functions },
 253     { PROV_NAMES_SHA2_384, FIPS_DEFAULT_PROPERTIES, ossl_sha384_functions },
 254     { PROV_NAMES_SHA2_512, FIPS_DEFAULT_PROPERTIES, ossl_sha512_functions },
 255     { PROV_NAMES_SHA2_512_224, FIPS_DEFAULT_PROPERTIES,
 256       ossl_sha512_224_functions },
 257     { PROV_NAMES_SHA2_512_256, FIPS_DEFAULT_PROPERTIES,
 258       ossl_sha512_256_functions },
 259
 260     /* We agree with NIST here, so one name only */
 261     { PROV_NAMES_SHA3_224, FIPS_DEFAULT_PROPERTIES, ossl_sha3_224_functions },
 262     { PROV_NAMES_SHA3_256, FIPS_DEFAULT_PROPERTIES, ossl_sha3_256_functions },
 263     { PROV_NAMES_SHA3_384, FIPS_DEFAULT_PROPERTIES, ossl_sha3_384_functions },
 264     { PROV_NAMES_SHA3_512, FIPS_DEFAULT_PROPERTIES, ossl_sha3_512_functions },
 265
 266     { PROV_NAMES_SHAKE_128, FIPS_DEFAULT_PROPERTIES, ossl_shake_128_functions },
 267     { PROV_NAMES_SHAKE_256, FIPS_DEFAULT_PROPERTIES, ossl_shake_256_functions },
 268
 269     /*
 270      * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
 271      * KMAC128 and KMAC256.
 272      */
 273     { PROV_NAMES_KECCAK_KMAC_128, FIPS_DEFAULT_PROPERTIES,
 274       ossl_keccak_kmac_128_functions },
 275     { PROV_NAMES_KECCAK_KMAC_256, FIPS_DEFAULT_PROPERTIES,
 276       ossl_keccak_kmac_256_functions },
 277     { NULL, NULL, NULL }
 278 };
 279
 280 static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = {
 281     /* Our primary name[:ASN.1 OID name][:our older names] */
 282     ALG(PROV_NAMES_AES_256_ECB, ossl_aes256ecb_functions),
 283     ALG(PROV_NAMES_AES_192_ECB, ossl_aes192ecb_functions),
 284     ALG(PROV_NAMES_AES_128_ECB, ossl_aes128ecb_functions),
 285     ALG(PROV_NAMES_AES_256_CBC, ossl_aes256cbc_functions),
 286     ALG(PROV_NAMES_AES_192_CBC, ossl_aes192cbc_functions),
 287     ALG(PROV_NAMES_AES_128_CBC, ossl_aes128cbc_functions),
 288     ALG(PROV_NAMES_AES_256_CBC_CTS, ossl_aes256cbc_cts_functions),
 289     ALG(PROV_NAMES_AES_192_CBC_CTS, ossl_aes192cbc_cts_functions),
 290     ALG(PROV_NAMES_AES_128_CBC_CTS, ossl_aes128cbc_cts_functions),
 291     ALG(PROV_NAMES_AES_256_OFB, ossl_aes256ofb_functions),
 292     ALG(PROV_NAMES_AES_192_OFB, ossl_aes192ofb_functions),
 293     ALG(PROV_NAMES_AES_128_OFB, ossl_aes128ofb_functions),
 294     ALG(PROV_NAMES_AES_256_CFB, ossl_aes256cfb_functions),
 295     ALG(PROV_NAMES_AES_192_CFB, ossl_aes192cfb_functions),
 296     ALG(PROV_NAMES_AES_128_CFB, ossl_aes128cfb_functions),
 297     ALG(PROV_NAMES_AES_256_CFB1, ossl_aes256cfb1_functions),
 298     ALG(PROV_NAMES_AES_192_CFB1, ossl_aes192cfb1_functions),
 299     ALG(PROV_NAMES_AES_128_CFB1, ossl_aes128cfb1_functions),
 300     ALG(PROV_NAMES_AES_256_CFB8, ossl_aes256cfb8_functions),
 301     ALG(PROV_NAMES_AES_192_CFB8, ossl_aes192cfb8_functions),
 302     ALG(PROV_NAMES_AES_128_CFB8, ossl_aes128cfb8_functions),
 303     ALG(PROV_NAMES_AES_256_CTR, ossl_aes256ctr_functions),
 304     ALG(PROV_NAMES_AES_192_CTR, ossl_aes192ctr_functions),
 305     ALG(PROV_NAMES_AES_128_CTR, ossl_aes128ctr_functions),
 306     ALG(PROV_NAMES_AES_256_XTS, ossl_aes256xts_functions),
 307     ALG(PROV_NAMES_AES_128_XTS, ossl_aes128xts_functions),
 308     ALG(PROV_NAMES_AES_256_GCM, ossl_aes256gcm_functions),
 309     ALG(PROV_NAMES_AES_192_GCM, ossl_aes192gcm_functions),
 310     ALG(PROV_NAMES_AES_128_GCM, ossl_aes128gcm_functions),
 311     ALG(PROV_NAMES_AES_256_CCM, ossl_aes256ccm_functions),
 312     ALG(PROV_NAMES_AES_192_CCM, ossl_aes192ccm_functions),
 313     ALG(PROV_NAMES_AES_128_CCM, ossl_aes128ccm_functions),
 314     ALG(PROV_NAMES_AES_256_WRAP, ossl_aes256wrap_functions),
 315     ALG(PROV_NAMES_AES_192_WRAP, ossl_aes192wrap_functions),
 316     ALG(PROV_NAMES_AES_128_WRAP, ossl_aes128wrap_functions),
 317     ALG(PROV_NAMES_AES_256_WRAP_PAD, ossl_aes256wrappad_functions),
 318     ALG(PROV_NAMES_AES_192_WRAP_PAD, ossl_aes192wrappad_functions),
 319     ALG(PROV_NAMES_AES_128_WRAP_PAD, ossl_aes128wrappad_functions),
 320     ALG(PROV_NAMES_AES_256_WRAP_INV, ossl_aes256wrapinv_functions),
 321     ALG(PROV_NAMES_AES_192_WRAP_INV, ossl_aes192wrapinv_functions),
 322     ALG(PROV_NAMES_AES_128_WRAP_INV, ossl_aes128wrapinv_functions),
 323     ALG(PROV_NAMES_AES_256_WRAP_PAD_INV, ossl_aes256wrappadinv_functions),
 324     ALG(PROV_NAMES_AES_192_WRAP_PAD_INV, ossl_aes192wrappadinv_functions),
 325     ALG(PROV_NAMES_AES_128_WRAP_PAD_INV, ossl_aes128wrappadinv_functions),
 326     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA1, ossl_aes128cbc_hmac_sha1_functions,
 327          ossl_cipher_capable_aes_cbc_hmac_sha1),
 328     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA1, ossl_aes256cbc_hmac_sha1_functions,
 329          ossl_cipher_capable_aes_cbc_hmac_sha1),
 330     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA256, ossl_aes128cbc_hmac_sha256_functions,
 331          ossl_cipher_capable_aes_cbc_hmac_sha256),
 332     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA256, ossl_aes256cbc_hmac_sha256_functions,
 333          ossl_cipher_capable_aes_cbc_hmac_sha256),
 334 #ifndef OPENSSL_NO_DES
 335     ALG(PROV_NAMES_DES_EDE3_ECB, ossl_tdes_ede3_ecb_functions),
 336     ALG(PROV_NAMES_DES_EDE3_CBC, ossl_tdes_ede3_cbc_functions),
 337 #endif  /* OPENSSL_NO_DES */
 338     { { NULL, NULL, NULL }, NULL }
 339 };
 340 static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)];
 341
 342 static const OSSL_ALGORITHM fips_macs[] = {
 343 #ifndef OPENSSL_NO_CMAC
 344     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES, ossl_cmac_functions },
 345 #endif
 346     { PROV_NAMES_GMAC, FIPS_DEFAULT_PROPERTIES, ossl_gmac_functions },
 347     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_hmac_functions },
 348     { PROV_NAMES_KMAC_128, FIPS_DEFAULT_PROPERTIES, ossl_kmac128_functions },
 349     { PROV_NAMES_KMAC_256, FIPS_DEFAULT_PROPERTIES, ossl_kmac256_functions },
 350     { NULL, NULL, NULL }
 351 };
 352
 353 static const OSSL_ALGORITHM fips_kdfs[] = {
 354     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_functions },
 355     { PROV_NAMES_TLS1_3_KDF, FIPS_DEFAULT_PROPERTIES,
 356       ossl_kdf_tls1_3_kdf_functions },
 357     { PROV_NAMES_SSKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sskdf_functions },
 358     { PROV_NAMES_PBKDF2, FIPS_DEFAULT_PROPERTIES, ossl_kdf_pbkdf2_functions },
 359     { PROV_NAMES_SSHKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sshkdf_functions },
 360     { PROV_NAMES_X963KDF, FIPS_DEFAULT_PROPERTIES,
 361       ossl_kdf_x963_kdf_functions },
 362     { PROV_NAMES_X942KDF_ASN1, FIPS_DEFAULT_PROPERTIES,
 363       ossl_kdf_x942_kdf_functions },
 364     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
 365       ossl_kdf_tls1_prf_functions },
 366     { PROV_NAMES_KBKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_kbkdf_functions },
 367     { NULL, NULL, NULL }
 368 };
 369
 370 static const OSSL_ALGORITHM fips_rands[] = {
 371     { PROV_NAMES_CTR_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ctr_functions },
 372     { PROV_NAMES_HASH_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_hash_functions },
 373     { PROV_NAMES_HMAC_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ossl_hmac_functions },
 374     { PROV_NAMES_TEST_RAND, FIPS_UNAPPROVED_PROPERTIES, ossl_test_rng_functions },
 375     { NULL, NULL, NULL }
 376 };
 377
 378 static const OSSL_ALGORITHM fips_keyexch[] = {
 379 #ifndef OPENSSL_NO_DH
 380     { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keyexch_functions },
 381 #endif
 382 #ifndef OPENSSL_NO_EC
 383     { PROV_NAMES_ECDH, FIPS_DEFAULT_PROPERTIES, ossl_ecdh_keyexch_functions },
 384     { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keyexch_functions },
 385     { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keyexch_functions },
 386 #endif
 387     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
 388       ossl_kdf_tls1_prf_keyexch_functions },
 389     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_keyexch_functions },
 390     { NULL, NULL, NULL }
 391 };
 392
 393 static const OSSL_ALGORITHM fips_signature[] = {
 394 #ifndef OPENSSL_NO_DSA
 395     { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_signature_functions },
 396 #endif
 397     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_signature_functions },
 398 #ifndef OPENSSL_NO_EC
 399     { PROV_NAMES_ED25519, FIPS_DEFAULT_PROPERTIES, ossl_ed25519_signature_functions },
 400     { PROV_NAMES_ED448, FIPS_DEFAULT_PROPERTIES, ossl_ed448_signature_functions },
 401     { PROV_NAMES_ECDSA, FIPS_DEFAULT_PROPERTIES, ossl_ecdsa_signature_functions },
 402 #endif
 403     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES,
 404       ossl_mac_legacy_hmac_signature_functions },
 405 #ifndef OPENSSL_NO_CMAC
 406     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
 407       ossl_mac_legacy_cmac_signature_functions },
 408 #endif
 409     { NULL, NULL, NULL }
 410 };
 411
 412 static const OSSL_ALGORITHM fips_asym_cipher[] = {
 413     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_cipher_functions },
 414     { NULL, NULL, NULL }
 415 };
 416
 417 static const OSSL_ALGORITHM fips_asym_kem[] = {
 418     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_kem_functions },
 419     { NULL, NULL, NULL }
 420 };
 421
 422 static const OSSL_ALGORITHM fips_keymgmt[] = {
 423 #ifndef OPENSSL_NO_DH
 424     { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keymgmt_functions,
 425       PROV_DESCS_DH },
 426     { PROV_NAMES_DHX, FIPS_DEFAULT_PROPERTIES, ossl_dhx_keymgmt_functions,
 427       PROV_DESCS_DHX },
 428 #endif
 429 #ifndef OPENSSL_NO_DSA
 430     { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_keymgmt_functions,
 431       PROV_DESCS_DSA },
 432 #endif
 433     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_keymgmt_functions,
 434       PROV_DESCS_RSA },
 435     { PROV_NAMES_RSA_PSS, FIPS_DEFAULT_PROPERTIES,
 436       ossl_rsapss_keymgmt_functions, PROV_DESCS_RSA_PSS },
 437 #ifndef OPENSSL_NO_EC
 438     { PROV_NAMES_EC, FIPS_DEFAULT_PROPERTIES, ossl_ec_keymgmt_functions,
 439       PROV_DESCS_EC },
 440     { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keymgmt_functions,
 441       PROV_DESCS_X25519 },
 442     { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keymgmt_functions,
 443       PROV_DESCS_X448 },
 444     { PROV_NAMES_ED25519, FIPS_DEFAULT_PROPERTIES, ossl_ed25519_keymgmt_functions,
 445       PROV_DESCS_ED25519 },
 446     { PROV_NAMES_ED448, FIPS_DEFAULT_PROPERTIES, ossl_ed448_keymgmt_functions,
 447       PROV_DESCS_ED448 },
 448 #endif
 449     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
 450       PROV_DESCS_TLS1_PRF_SIGN },
 451     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
 452       PROV_DESCS_HKDF_SIGN },
 453     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_mac_legacy_keymgmt_functions,
 454       PROV_DESCS_HMAC_SIGN },
 455 #ifndef OPENSSL_NO_CMAC
 456     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
 457       ossl_cmac_legacy_keymgmt_functions, PROV_DESCS_CMAC_SIGN },
 458 #endif
 459     { NULL, NULL, NULL }
 460 };
 461
 462 static const OSSL_ALGORITHM *fips_query(void *provctx, int operation_id,
 463                                         int *no_cache)
 464 {
 465     *no_cache = 0;
 466
 467     if (!ossl_prov_is_running())
 468         return NULL;
 469
 470     switch (operation_id) {
 471     case OSSL_OP_DIGEST:
 472         return fips_digests;
 473     case OSSL_OP_CIPHER:
 474         return exported_fips_ciphers;
 475     case OSSL_OP_MAC:
 476         return fips_macs;
 477     case OSSL_OP_KDF:
 478         return fips_kdfs;
 479     case OSSL_OP_RAND:
 480         return fips_rands;
 481     case OSSL_OP_KEYMGMT:
 482         return fips_keymgmt;
 483     case OSSL_OP_KEYEXCH:
 484         return fips_keyexch;
 485     case OSSL_OP_SIGNATURE:
 486         return fips_signature;
 487     case OSSL_OP_ASYM_CIPHER:
 488         return fips_asym_cipher;
 489     case OSSL_OP_KEM:
 490         return fips_asym_kem;
 491     }
 492     return NULL;
 493 }
 494
 495 # ifndef OPENSSL_NO_LOCALE
 496 void *ossl_c_locale() {
 497     return (void *)loc;
 498 }
 499
 500 static int fips_init_casecmp(void) {
 501 #  ifdef OPENSSL_SYS_WINDOWS
 502     loc = _create_locale(LC_COLLATE, "C");
 503 #  else
 504     loc = newlocale(LC_COLLATE_MASK, "C", (locale_t) 0);
 505 #  endif
 506     return (loc == (locale_t) 0) ? 0 : 1;
 507 }
 508
 509 static void fips_deinit_casecmp(void) {
 510     freelocale(loc);
 511 }
 512 # else
 513 void *ossl_c_locale() {
 514     return NULL;
 515 }
 516
 517 static int fips_init_casecmp(void) {
 518     return 1;
 519 }
 520
 521 static void fips_deinit_casecmp(void) {
 522 }
 523 # endif
 524
 525 static void fips_teardown(void *provctx)
 526 {
 527     OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx));
 528     ossl_prov_ctx_free(provctx);
 529 }
 530
 531 static void fips_intern_teardown(void *provctx)
 532 {
 533     /*
 534      * We know that the library context is the same as for the outer provider,
 535      * so no need to destroy it here.
 536      */
 537     fips_deinit_casecmp();
 538     ossl_prov_ctx_free(provctx);
 539 }
 540
 541 /* Functions we provide to the core */
 542 static const OSSL_DISPATCH fips_dispatch_table[] = {
 543     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown },
 544     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params },
 545     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
 546     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 547     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
 548       (void (*)(void))ossl_prov_get_capabilities },
 549     { OSSL_FUNC_PROVIDER_SELF_TEST, (void (*)(void))fips_self_test },
 550     { 0, NULL }
 551 };
 552
 553 /* Functions we provide to ourself */
 554 static const OSSL_DISPATCH intern_dispatch_table[] = {
 555     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown },
 556     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 557     { 0, NULL }
 558 };
 559
 560 /*
 561  * On VMS, the provider init function name is expected to be uppercase,
 562  * see the pragmas in <openssl/core.h>.  Let's do the same with this
 563  * internal name.  This is how symbol names are treated by default
 564  * by the compiler if nothing else is said, but since this is part
 565  * of libfips, and we build our libraries with mixed case symbol names,
 566  * we must switch back to this default explicitly here.
 567  */
 568 #ifdef __VMS
 569 # pragma names save
 570 # pragma names uppercase,truncated
 571 #endif
 572 OSSL_provider_init_fn OSSL_provider_init_int;
 573 #ifdef __VMS
 574 # pragma names restore
 575 #endif
 576 int OSSL_provider_init_int(const OSSL_CORE_HANDLE *handle,
 577                            const OSSL_DISPATCH *in,
 578                            const OSSL_DISPATCH **out,
 579                            void **provctx)
 580 {
 581     FIPS_GLOBAL *fgbl;
 582     OSSL_LIB_CTX *libctx = NULL;
 583     SELF_TEST_POST_PARAMS selftest_params;
 584
 585     memset(&selftest_params, 0, sizeof(selftest_params));
 586
 587     if (!fips_init_casecmp())
 588         return 0;
 589     if (!ossl_prov_seeding_from_dispatch(in))
 590         return 0;
 591     for (; in->function_id != 0; in++) {
 592         /*
 593          * We do not support the scenario of an application linked against
 594          * multiple versions of libcrypto (e.g. one static and one dynamic), but
 595          * sharing a single fips.so. We do a simple sanity check here.
 596          */
 597 #define set_func(c, f) if (c == NULL) c = f; else if (c != f) return 0;
 598         switch (in->function_id) {
 599         case OSSL_FUNC_CORE_GET_LIBCTX:
 600             set_func(c_get_libctx, OSSL_FUNC_core_get_libctx(in));
 601             break;
 602         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
 603             set_func(c_gettable_params, OSSL_FUNC_core_gettable_params(in));
 604             break;
 605         case OSSL_FUNC_CORE_GET_PARAMS:
 606             set_func(c_get_params, OSSL_FUNC_core_get_params(in));
 607             break;
 608         case OSSL_FUNC_CORE_THREAD_START:
 609             set_func(c_thread_start, OSSL_FUNC_core_thread_start(in));
 610             break;
 611         case OSSL_FUNC_CORE_NEW_ERROR:
 612             set_func(c_new_error, OSSL_FUNC_core_new_error(in));
 613             break;
 614         case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
 615             set_func(c_set_error_debug, OSSL_FUNC_core_set_error_debug(in));
 616             break;
 617         case OSSL_FUNC_CORE_VSET_ERROR:
 618             set_func(c_vset_error, OSSL_FUNC_core_vset_error(in));
 619             break;
 620         case OSSL_FUNC_CORE_SET_ERROR_MARK:
 621             set_func(c_set_error_mark, OSSL_FUNC_core_set_error_mark(in));
 622             break;
 623         case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK:
 624             set_func(c_clear_last_error_mark,
 625                      OSSL_FUNC_core_clear_last_error_mark(in));
 626             break;
 627         case OSSL_FUNC_CORE_POP_ERROR_TO_MARK:
 628             set_func(c_pop_error_to_mark, OSSL_FUNC_core_pop_error_to_mark(in));
 629             break;
 630         case OSSL_FUNC_CRYPTO_MALLOC:
 631             set_func(c_CRYPTO_malloc, OSSL_FUNC_CRYPTO_malloc(in));
 632             break;
 633         case OSSL_FUNC_CRYPTO_ZALLOC:
 634             set_func(c_CRYPTO_zalloc, OSSL_FUNC_CRYPTO_zalloc(in));
 635             break;
 636         case OSSL_FUNC_CRYPTO_FREE:
 637             set_func(c_CRYPTO_free, OSSL_FUNC_CRYPTO_free(in));
 638             break;
 639         case OSSL_FUNC_CRYPTO_CLEAR_FREE:
 640             set_func(c_CRYPTO_clear_free, OSSL_FUNC_CRYPTO_clear_free(in));
 641             break;
 642         case OSSL_FUNC_CRYPTO_REALLOC:
 643             set_func(c_CRYPTO_realloc, OSSL_FUNC_CRYPTO_realloc(in));
 644             break;
 645         case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
 646             set_func(c_CRYPTO_clear_realloc,
 647                      OSSL_FUNC_CRYPTO_clear_realloc(in));
 648             break;
 649         case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
 650             set_func(c_CRYPTO_secure_malloc,
 651                      OSSL_FUNC_CRYPTO_secure_malloc(in));
 652             break;
 653         case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
 654             set_func(c_CRYPTO_secure_zalloc,
 655                      OSSL_FUNC_CRYPTO_secure_zalloc(in));
 656             break;
 657         case OSSL_FUNC_CRYPTO_SECURE_FREE:
 658             set_func(c_CRYPTO_secure_free,
 659                      OSSL_FUNC_CRYPTO_secure_free(in));
 660             break;
 661         case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
 662             set_func(c_CRYPTO_secure_clear_free,
 663                      OSSL_FUNC_CRYPTO_secure_clear_free(in));
 664             break;
 665         case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
 666             set_func(c_CRYPTO_secure_allocated,
 667                      OSSL_FUNC_CRYPTO_secure_allocated(in));
 668             break;
 669         case OSSL_FUNC_BIO_NEW_FILE:
 670             set_func(selftest_params.bio_new_file_cb,
 671                      OSSL_FUNC_BIO_new_file(in));
 672             break;
 673         case OSSL_FUNC_BIO_NEW_MEMBUF:
 674             set_func(selftest_params.bio_new_buffer_cb,
 675                      OSSL_FUNC_BIO_new_membuf(in));
 676             break;
 677         case OSSL_FUNC_BIO_READ_EX:
 678             set_func(selftest_params.bio_read_ex_cb,
 679                      OSSL_FUNC_BIO_read_ex(in));
 680             break;
 681         case OSSL_FUNC_BIO_FREE:
 682             set_func(selftest_params.bio_free_cb, OSSL_FUNC_BIO_free(in));
 683             break;
 684         case OSSL_FUNC_BIO_VSNPRINTF:
 685             set_func(c_BIO_vsnprintf, OSSL_FUNC_BIO_vsnprintf(in));
 686             break;
 687         case OSSL_FUNC_SELF_TEST_CB:
 688             set_func(c_stcbfn, OSSL_FUNC_self_test_cb(in));
 689             break;
 690         default:
 691             /* Just ignore anything we don't understand */
 692             break;
 693         }
 694     }
 695
 696     /*  Create a context. */
 697     if ((*provctx = ossl_prov_ctx_new()) == NULL
 698         || (libctx = OSSL_LIB_CTX_new()) == NULL) {
 699         /*
 700          * We free libctx separately here and only here because it hasn't
 701          * been attached to *provctx.  All other error paths below rely
 702          * solely on fips_teardown.
 703          */
 704         OSSL_LIB_CTX_free(libctx);
 705         goto err;
 706     }
 707
 708     if ((fgbl = ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX)) == NULL)
 709         goto err;
 710
 711     fgbl->handle = handle;
 712
 713     /*
 714      * We did initial set up of selftest_params in a local copy, because we
 715      * could not create fgbl until c_CRYPTO_zalloc was defined in the loop
 716      * above.
 717      */
 718     fgbl->selftest_params = selftest_params;
 719
 720     fgbl->selftest_params.libctx = libctx;
 721
 722     set_self_test_cb(fgbl);
 723
 724     if (!fips_get_params_from_core(fgbl)) {
 725         /* Error already raised */
 726         goto err;
 727     }
 728     /*
 729      * Disable the conditional error check if it's disabled in the fips config
 730      * file.
 731      */
 732     if (fgbl->selftest_params.conditional_error_check != NULL
 733         && strcmp(fgbl->selftest_params.conditional_error_check, "0") == 0)
 734         SELF_TEST_disable_conditional_error_state();
 735
 736     /* Disable the security check if it's disabled in the fips config file. */
 737     if (fgbl->fips_security_check_option != NULL
 738         && strcmp(fgbl->fips_security_check_option, "0") == 0)
 739         fgbl->fips_security_checks = 0;
 740
 741     ossl_prov_cache_exported_algorithms(fips_ciphers, exported_fips_ciphers);
 742
 743     if (!SELF_TEST_post(&fgbl->selftest_params, 0)) {
 744         ERR_raise(ERR_LIB_PROV, PROV_R_SELF_TEST_POST_FAILURE);
 745         goto err;
 746     }
 747
 748     ossl_prov_ctx_set0_libctx(*provctx, libctx);
 749     ossl_prov_ctx_set0_handle(*provctx, handle);
 750
 751     *out = fips_dispatch_table;
 752     return 1;
 753  err:
 754     fips_teardown(*provctx);
 755     OSSL_LIB_CTX_free(libctx);
 756     *provctx = NULL;
 757     return 0;
 758 }
 759
 760 /*
 761  * The internal init function used when the FIPS module uses EVP to call
 762  * another algorithm also in the FIPS module. This is a recursive call that has
 763  * been made from within the FIPS module itself. To make this work, we populate
 764  * the provider context of this inner instance with the same library context
 765  * that was used in the EVP call that initiated this recursive call.
 766  */
 767 OSSL_provider_init_fn ossl_fips_intern_provider_init;
 768 int ossl_fips_intern_provider_init(const OSSL_CORE_HANDLE *handle,
 769                                    const OSSL_DISPATCH *in,
 770                                    const OSSL_DISPATCH **out,
 771                                    void **provctx)
 772 {
 773     OSSL_FUNC_core_get_libctx_fn *c_internal_get_libctx = NULL;
 774
 775     for (; in->function_id != 0; in++) {
 776         switch (in->function_id) {
 777         case OSSL_FUNC_CORE_GET_LIBCTX:
 778             c_internal_get_libctx = OSSL_FUNC_core_get_libctx(in);
 779             break;
 780         default:
 781             break;
 782         }
 783     }
 784
 785     if (c_internal_get_libctx == NULL)
 786         return 0;
 787
 788     if ((*provctx = ossl_prov_ctx_new()) == NULL)
 789         return 0;
 790
 791     /*
 792      * Using the parent library context only works because we are a built-in
 793      * internal provider. This is not something that most providers would be
 794      * able to do.
 795      */
 796     ossl_prov_ctx_set0_libctx(*provctx,
 797                               (OSSL_LIB_CTX *)c_internal_get_libctx(handle));
 798     ossl_prov_ctx_set0_handle(*provctx, handle);
 799
 800     *out = intern_dispatch_table;
 801     return 1;
 802 }
 803
 804 void ERR_new(void)
 805 {
 806     c_new_error(NULL);
 807 }
 808
 809 void ERR_set_debug(const char *file, int line, const char *func)
 810 {
 811     c_set_error_debug(NULL, file, line, func);
 812 }
 813
 814 void ERR_set_error(int lib, int reason, const char *fmt, ...)
 815 {
 816     va_list args;
 817
 818     va_start(args, fmt);
 819     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 820     va_end(args);
 821 }
 822
 823 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
 824 {
 825     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 826 }
 827
 828 int ERR_set_mark(void)
 829 {
 830     return c_set_error_mark(NULL);
 831 }
 832
 833 int ERR_clear_last_mark(void)
 834 {
 835     return c_clear_last_error_mark(NULL);
 836 }
 837
 838 int ERR_pop_to_mark(void)
 839 {
 840     return c_pop_error_to_mark(NULL);
 841 }
 842
 843 /*
 844  * This must take a library context, since it's called from the depths
 845  * of crypto/initthread.c code, where it's (correctly) assumed that the
 846  * passed caller argument is an OSSL_LIB_CTX pointer (since the same routine
 847  * is also called from other parts of libcrypto, which all pass around a
 848  * OSSL_LIB_CTX pointer)
 849  */
 850 const OSSL_CORE_HANDLE *FIPS_get_core_handle(OSSL_LIB_CTX *libctx)
 851 {
 852     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
 853                                               OSSL_LIB_CTX_FIPS_PROV_INDEX);
 854
 855     if (fgbl == NULL)
 856         return NULL;
 857
 858     return fgbl->handle;
 859 }
 860
 861 void *CRYPTO_malloc(size_t num, const char *file, int line)
 862 {
 863     return c_CRYPTO_malloc(num, file, line);
 864 }
 865
 866 void *CRYPTO_zalloc(size_t num, const char *file, int line)
 867 {
 868     return c_CRYPTO_zalloc(num, file, line);
 869 }
 870
 871 void CRYPTO_free(void *ptr, const char *file, int line)
 872 {
 873     c_CRYPTO_free(ptr, file, line);
 874 }
 875
 876 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line)
 877 {
 878     c_CRYPTO_clear_free(ptr, num, file, line);
 879 }
 880
 881 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line)
 882 {
 883     return c_CRYPTO_realloc(addr, num, file, line);
 884 }
 885
 886 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
 887                            const char *file, int line)
 888 {
 889     return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
 890 }
 891
 892 void *CRYPTO_secure_malloc(size_t num, const char *file, int line)
 893 {
 894     return c_CRYPTO_secure_malloc(num, file, line);
 895 }
 896
 897 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line)
 898 {
 899     return c_CRYPTO_secure_zalloc(num, file, line);
 900 }
 901
 902 void CRYPTO_secure_free(void *ptr, const char *file, int line)
 903 {
 904     c_CRYPTO_secure_free(ptr, file, line);
 905 }
 906
 907 void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line)
 908 {
 909     c_CRYPTO_secure_clear_free(ptr, num, file, line);
 910 }
 911
 912 int CRYPTO_secure_allocated(const void *ptr)
 913 {
 914     return c_CRYPTO_secure_allocated(ptr);
 915 }
 916
 917 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
 918 {
 919     va_list args;
 920     int ret;
 921
 922     va_start(args, format);
 923     ret = c_BIO_vsnprintf(buf, n, format, args);
 924     va_end(args);
 925     return ret;
 926 }
 927
 928 int FIPS_security_check_enabled(OSSL_LIB_CTX *libctx)
 929 {
 930     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
 931                                               OSSL_LIB_CTX_FIPS_PROV_INDEX);
 932
 933     return fgbl->fips_security_checks;
 934 }
 935
 936 void OSSL_SELF_TEST_get_callback(OSSL_LIB_CTX *libctx, OSSL_CALLBACK **cb,
 937                                  void **cbarg)
 938 {
 939     assert(libctx != NULL);
 940
 941     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 942         /* Get the parent libctx */
 943         c_stcbfn(c_get_libctx(FIPS_get_core_handle(libctx)), cb, cbarg);
 944     } else {
 945         if (cb != NULL)
 946             *cb = NULL;
 947         if (cbarg != NULL)
 948             *cbarg = NULL;
 949     }
 950 }