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 "prov/fipscommon.h"
  25 #include "internal/nelem.h"
  26 #include "self_test.h"
  27 #include "crypto/context.h"
  28 #include "internal/core.h"
  29
  30 static const char FIPS_DEFAULT_PROPERTIES[] = "provider=fips,fips=yes";
  31 static const char FIPS_UNAPPROVED_PROPERTIES[] = "provider=fips,fips=no";
  32
  33 /*
  34  * Forward declarations to ensure that interface functions are correctly
  35  * defined.
  36  */
  37 static OSSL_FUNC_provider_teardown_fn fips_teardown;
  38 static OSSL_FUNC_provider_gettable_params_fn fips_gettable_params;
  39 static OSSL_FUNC_provider_get_params_fn fips_get_params;
  40 static OSSL_FUNC_provider_query_operation_fn fips_query;
  41
  42 #define ALGC(NAMES, FUNC, CHECK)                \
  43     { { NAMES, FIPS_DEFAULT_PROPERTIES, FUNC }, CHECK }
  44 #define UNAPPROVED_ALGC(NAMES, FUNC, CHECK)     \
  45     { { NAMES, FIPS_UNAPPROVED_PROPERTIES, FUNC }, CHECK }
  46 #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL)
  47 #define UNAPPROVED_ALG(NAMES, FUNC) UNAPPROVED_ALGC(NAMES, FUNC, NULL)
  48
  49 extern OSSL_FUNC_core_thread_start_fn *c_thread_start;
  50
  51 /*
  52  * Should these function pointers be stored in the provider side provctx? Could
  53  * they ever be different from one init to the next? We assume not for now.
  54  */
  55
  56 /* Functions provided by the core */
  57 static OSSL_FUNC_core_gettable_params_fn *c_gettable_params;
  58 static OSSL_FUNC_core_get_params_fn *c_get_params;
  59 OSSL_FUNC_core_thread_start_fn *c_thread_start;
  60 static OSSL_FUNC_core_new_error_fn *c_new_error;
  61 static OSSL_FUNC_core_set_error_debug_fn *c_set_error_debug;
  62 static OSSL_FUNC_core_vset_error_fn *c_vset_error;
  63 static OSSL_FUNC_core_set_error_mark_fn *c_set_error_mark;
  64 static OSSL_FUNC_core_clear_last_error_mark_fn *c_clear_last_error_mark;
  65 static OSSL_FUNC_core_pop_error_to_mark_fn *c_pop_error_to_mark;
  66 static OSSL_FUNC_CRYPTO_malloc_fn *c_CRYPTO_malloc;
  67 static OSSL_FUNC_CRYPTO_zalloc_fn *c_CRYPTO_zalloc;
  68 static OSSL_FUNC_CRYPTO_free_fn *c_CRYPTO_free;
  69 static OSSL_FUNC_CRYPTO_clear_free_fn *c_CRYPTO_clear_free;
  70 static OSSL_FUNC_CRYPTO_realloc_fn *c_CRYPTO_realloc;
  71 static OSSL_FUNC_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc;
  72 static OSSL_FUNC_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc;
  73 static OSSL_FUNC_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc;
  74 static OSSL_FUNC_CRYPTO_secure_free_fn *c_CRYPTO_secure_free;
  75 static OSSL_FUNC_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free;
  76 static OSSL_FUNC_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated;
  77 static OSSL_FUNC_BIO_vsnprintf_fn *c_BIO_vsnprintf;
  78 static OSSL_FUNC_self_test_cb_fn *c_stcbfn = NULL;
  79 static OSSL_FUNC_core_get_libctx_fn *c_get_libctx = NULL;
  80
  81 typedef struct {
  82     const char *option;
  83     unsigned char enabled;
  84 } FIPS_OPTION;
  85
  86 typedef struct fips_global_st {
  87     const OSSL_CORE_HANDLE *handle;
  88     SELF_TEST_POST_PARAMS selftest_params;
  89     FIPS_OPTION fips_security_checks;
  90     FIPS_OPTION fips_tls1_prf_ems_check;
  91     FIPS_OPTION fips_restricted_drgb_digests;
  92 } FIPS_GLOBAL;
  93
  94 static void init_fips_option(FIPS_OPTION *opt, int enabled)
  95 {
  96     opt->enabled = enabled;
  97     opt->option = enabled ? "1" : "0";
  98 }
  99
 100 void *ossl_fips_prov_ossl_ctx_new(OSSL_LIB_CTX *libctx)
 101 {
 102     FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl));
 103
 104     if (fgbl == NULL)
 105         return NULL;
 106     init_fips_option(&fgbl->fips_security_checks, 1);
 107     init_fips_option(&fgbl->fips_tls1_prf_ems_check, 0); /* Disabled by default */
 108     init_fips_option(&fgbl->fips_restricted_drgb_digests, 0);
 109     return fgbl;
 110 }
 111
 112 void ossl_fips_prov_ossl_ctx_free(void *fgbl)
 113 {
 114     OPENSSL_free(fgbl);
 115 }
 116
 117 /* Parameters we provide to the core */
 118 static const OSSL_PARAM fips_param_types[] = {
 119     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
 120     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
 121     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
 122     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
 123     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_SECURITY_CHECKS, OSSL_PARAM_INTEGER, NULL, 0),
 124     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_TLS1_PRF_EMS_CHECK, OSSL_PARAM_INTEGER, NULL, 0),
 125     OSSL_PARAM_DEFN(OSSL_PROV_PARAM_DRBG_TRUNC_DIGEST, OSSL_PARAM_INTEGER, NULL, 0),
 126     OSSL_PARAM_END
 127 };
 128
 129 static int fips_get_params_from_core(FIPS_GLOBAL *fgbl)
 130 {
 131     /*
 132     * Parameters to retrieve from the core provider - required for self testing.
 133     * NOTE: inside core_get_params() these will be loaded from config items
 134     * stored inside prov->parameters (except for
 135     * OSSL_PROV_PARAM_CORE_MODULE_FILENAME).
 136     * OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS and
 137     * OSSL_PROV_FIPS_PARAM_TLS1_PRF_EMS_CHECK are not self test parameters.
 138     */
 139     OSSL_PARAM core_params[10], *p = core_params;
 140
 141     *p++ = OSSL_PARAM_construct_utf8_ptr(
 142             OSSL_PROV_PARAM_CORE_MODULE_FILENAME,
 143             (char **)&fgbl->selftest_params.module_filename,
 144             sizeof(fgbl->selftest_params.module_filename));
 145     *p++ = OSSL_PARAM_construct_utf8_ptr(
 146             OSSL_PROV_FIPS_PARAM_MODULE_MAC,
 147             (char **)&fgbl->selftest_params.module_checksum_data,
 148             sizeof(fgbl->selftest_params.module_checksum_data));
 149     *p++ = OSSL_PARAM_construct_utf8_ptr(
 150             OSSL_PROV_FIPS_PARAM_INSTALL_MAC,
 151             (char **)&fgbl->selftest_params.indicator_checksum_data,
 152             sizeof(fgbl->selftest_params.indicator_checksum_data));
 153     *p++ = OSSL_PARAM_construct_utf8_ptr(
 154             OSSL_PROV_FIPS_PARAM_INSTALL_STATUS,
 155             (char **)&fgbl->selftest_params.indicator_data,
 156             sizeof(fgbl->selftest_params.indicator_data));
 157     *p++ = OSSL_PARAM_construct_utf8_ptr(
 158             OSSL_PROV_FIPS_PARAM_INSTALL_VERSION,
 159             (char **)&fgbl->selftest_params.indicator_version,
 160             sizeof(fgbl->selftest_params.indicator_version));
 161     *p++ = OSSL_PARAM_construct_utf8_ptr(
 162             OSSL_PROV_FIPS_PARAM_CONDITIONAL_ERRORS,
 163             (char **)&fgbl->selftest_params.conditional_error_check,
 164             sizeof(fgbl->selftest_params.conditional_error_check));
 165
 166 /* FIPS features can be enabled or disabled independently */
 167 #define FIPS_FEATURE_OPTION(fgbl, pname, field)                         \
 168     *p++ = OSSL_PARAM_construct_utf8_ptr(                               \
 169             pname, (char **)&fgbl->field.option,                        \
 170             sizeof(fgbl->field.option))
 171
 172     FIPS_FEATURE_OPTION(fgbl, OSSL_PROV_FIPS_PARAM_SECURITY_CHECKS,
 173                         fips_security_checks);
 174     FIPS_FEATURE_OPTION(fgbl, OSSL_PROV_FIPS_PARAM_TLS1_PRF_EMS_CHECK,
 175                         fips_tls1_prf_ems_check);
 176     FIPS_FEATURE_OPTION(fgbl, OSSL_PROV_FIPS_PARAM_DRBG_TRUNC_DIGEST,
 177                         fips_restricted_drgb_digests);
 178 #undef FIPS_FEATURE_OPTION
 179
 180     *p = OSSL_PARAM_construct_end();
 181
 182     if (!c_get_params(fgbl->handle, core_params)) {
 183         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
 184         return 0;
 185     }
 186
 187     return 1;
 188 }
 189
 190 static const OSSL_PARAM *fips_gettable_params(void *provctx)
 191 {
 192     return fips_param_types;
 193 }
 194
 195 static int fips_get_params(void *provctx, OSSL_PARAM params[])
 196 {
 197     OSSL_PARAM *p;
 198     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
 199                                               OSSL_LIB_CTX_FIPS_PROV_INDEX);
 200
 201     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
 202     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider"))
 203         return 0;
 204     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
 205     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
 206         return 0;
 207     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
 208     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
 209         return 0;
 210     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
 211     if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
 212         return 0;
 213
 214 #define FIPS_FEATURE_GET(fgbl, pname, field)                            \
 215     p = OSSL_PARAM_locate(params, pname);                               \
 216     if (p != NULL && !OSSL_PARAM_set_int(p, fgbl->field.enabled))       \
 217         return 0
 218
 219     FIPS_FEATURE_GET(fgbl, OSSL_PROV_PARAM_SECURITY_CHECKS,
 220                      fips_security_checks);
 221     FIPS_FEATURE_GET(fgbl, OSSL_PROV_PARAM_TLS1_PRF_EMS_CHECK,
 222                      fips_tls1_prf_ems_check);
 223     FIPS_FEATURE_GET(fgbl, OSSL_PROV_PARAM_DRBG_TRUNC_DIGEST,
 224                      fips_restricted_drgb_digests);
 225 #undef FIPS_FEATURE_GET
 226     return 1;
 227 }
 228
 229 static void set_self_test_cb(FIPS_GLOBAL *fgbl)
 230 {
 231     const OSSL_CORE_HANDLE *handle =
 232         FIPS_get_core_handle(fgbl->selftest_params.libctx);
 233
 234     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 235         c_stcbfn(c_get_libctx(handle), &fgbl->selftest_params.cb,
 236                               &fgbl->selftest_params.cb_arg);
 237     } else {
 238         fgbl->selftest_params.cb = NULL;
 239         fgbl->selftest_params.cb_arg = NULL;
 240     }
 241 }
 242
 243 static int fips_self_test(void *provctx)
 244 {
 245     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(ossl_prov_ctx_get0_libctx(provctx),
 246                                               OSSL_LIB_CTX_FIPS_PROV_INDEX);
 247
 248     set_self_test_cb(fgbl);
 249     return SELF_TEST_post(&fgbl->selftest_params, 1) ? 1 : 0;
 250 }
 251
 252 /*
 253  * For the algorithm names, we use the following formula for our primary
 254  * names:
 255  *
 256  *     ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?]
 257  *
 258  *     VERSION is only present if there are multiple versions of
 259  *     an alg (MD2, MD4, MD5).  It may be omitted if there is only
 260  *     one version (if a subsequent version is released in the future,
 261  *     we can always change the canonical name, and add the old name
 262  *     as an alias).
 263  *
 264  *     SUBNAME may be present where we are combining multiple
 265  *     algorithms together, e.g. MD5-SHA1.
 266  *
 267  *     SIZE is only present if multiple versions of an algorithm exist
 268  *     with different sizes (e.g. AES-128-CBC, AES-256-CBC)
 269  *
 270  *     MODE is only present where applicable.
 271  *
 272  * We add diverse other names where applicable, such as the names that
 273  * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names
 274  * we have used historically.
 275  */
 276 static const OSSL_ALGORITHM fips_digests[] = {
 277     /* Our primary name:NiST name[:our older names] */
 278     { PROV_NAMES_SHA1, FIPS_DEFAULT_PROPERTIES, ossl_sha1_functions },
 279     { PROV_NAMES_SHA2_224, FIPS_DEFAULT_PROPERTIES, ossl_sha224_functions },
 280     { PROV_NAMES_SHA2_256, FIPS_DEFAULT_PROPERTIES, ossl_sha256_functions },
 281     { PROV_NAMES_SHA2_384, FIPS_DEFAULT_PROPERTIES, ossl_sha384_functions },
 282     { PROV_NAMES_SHA2_512, FIPS_DEFAULT_PROPERTIES, ossl_sha512_functions },
 283     { PROV_NAMES_SHA2_512_224, FIPS_DEFAULT_PROPERTIES,
 284       ossl_sha512_224_functions },
 285     { PROV_NAMES_SHA2_512_256, FIPS_DEFAULT_PROPERTIES,
 286       ossl_sha512_256_functions },
 287
 288     /* We agree with NIST here, so one name only */
 289     { PROV_NAMES_SHA3_224, FIPS_DEFAULT_PROPERTIES, ossl_sha3_224_functions },
 290     { PROV_NAMES_SHA3_256, FIPS_DEFAULT_PROPERTIES, ossl_sha3_256_functions },
 291     { PROV_NAMES_SHA3_384, FIPS_DEFAULT_PROPERTIES, ossl_sha3_384_functions },
 292     { PROV_NAMES_SHA3_512, FIPS_DEFAULT_PROPERTIES, ossl_sha3_512_functions },
 293
 294     { PROV_NAMES_SHAKE_128, FIPS_DEFAULT_PROPERTIES, ossl_shake_128_functions },
 295     { PROV_NAMES_SHAKE_256, FIPS_DEFAULT_PROPERTIES, ossl_shake_256_functions },
 296
 297     /*
 298      * KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
 299      * KMAC128 and KMAC256.
 300      */
 301     { PROV_NAMES_KECCAK_KMAC_128, FIPS_DEFAULT_PROPERTIES,
 302       ossl_keccak_kmac_128_functions },
 303     { PROV_NAMES_KECCAK_KMAC_256, FIPS_DEFAULT_PROPERTIES,
 304       ossl_keccak_kmac_256_functions },
 305     { NULL, NULL, NULL }
 306 };
 307
 308 static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = {
 309     /* Our primary name[:ASN.1 OID name][:our older names] */
 310     ALG(PROV_NAMES_AES_256_ECB, ossl_aes256ecb_functions),
 311     ALG(PROV_NAMES_AES_192_ECB, ossl_aes192ecb_functions),
 312     ALG(PROV_NAMES_AES_128_ECB, ossl_aes128ecb_functions),
 313     ALG(PROV_NAMES_AES_256_CBC, ossl_aes256cbc_functions),
 314     ALG(PROV_NAMES_AES_192_CBC, ossl_aes192cbc_functions),
 315     ALG(PROV_NAMES_AES_128_CBC, ossl_aes128cbc_functions),
 316     ALG(PROV_NAMES_AES_256_CBC_CTS, ossl_aes256cbc_cts_functions),
 317     ALG(PROV_NAMES_AES_192_CBC_CTS, ossl_aes192cbc_cts_functions),
 318     ALG(PROV_NAMES_AES_128_CBC_CTS, ossl_aes128cbc_cts_functions),
 319     ALG(PROV_NAMES_AES_256_OFB, ossl_aes256ofb_functions),
 320     ALG(PROV_NAMES_AES_192_OFB, ossl_aes192ofb_functions),
 321     ALG(PROV_NAMES_AES_128_OFB, ossl_aes128ofb_functions),
 322     ALG(PROV_NAMES_AES_256_CFB, ossl_aes256cfb_functions),
 323     ALG(PROV_NAMES_AES_192_CFB, ossl_aes192cfb_functions),
 324     ALG(PROV_NAMES_AES_128_CFB, ossl_aes128cfb_functions),
 325     ALG(PROV_NAMES_AES_256_CFB1, ossl_aes256cfb1_functions),
 326     ALG(PROV_NAMES_AES_192_CFB1, ossl_aes192cfb1_functions),
 327     ALG(PROV_NAMES_AES_128_CFB1, ossl_aes128cfb1_functions),
 328     ALG(PROV_NAMES_AES_256_CFB8, ossl_aes256cfb8_functions),
 329     ALG(PROV_NAMES_AES_192_CFB8, ossl_aes192cfb8_functions),
 330     ALG(PROV_NAMES_AES_128_CFB8, ossl_aes128cfb8_functions),
 331     ALG(PROV_NAMES_AES_256_CTR, ossl_aes256ctr_functions),
 332     ALG(PROV_NAMES_AES_192_CTR, ossl_aes192ctr_functions),
 333     ALG(PROV_NAMES_AES_128_CTR, ossl_aes128ctr_functions),
 334     ALG(PROV_NAMES_AES_256_XTS, ossl_aes256xts_functions),
 335     ALG(PROV_NAMES_AES_128_XTS, ossl_aes128xts_functions),
 336     ALG(PROV_NAMES_AES_256_GCM, ossl_aes256gcm_functions),
 337     ALG(PROV_NAMES_AES_192_GCM, ossl_aes192gcm_functions),
 338     ALG(PROV_NAMES_AES_128_GCM, ossl_aes128gcm_functions),
 339     ALG(PROV_NAMES_AES_256_CCM, ossl_aes256ccm_functions),
 340     ALG(PROV_NAMES_AES_192_CCM, ossl_aes192ccm_functions),
 341     ALG(PROV_NAMES_AES_128_CCM, ossl_aes128ccm_functions),
 342     ALG(PROV_NAMES_AES_256_WRAP, ossl_aes256wrap_functions),
 343     ALG(PROV_NAMES_AES_192_WRAP, ossl_aes192wrap_functions),
 344     ALG(PROV_NAMES_AES_128_WRAP, ossl_aes128wrap_functions),
 345     ALG(PROV_NAMES_AES_256_WRAP_PAD, ossl_aes256wrappad_functions),
 346     ALG(PROV_NAMES_AES_192_WRAP_PAD, ossl_aes192wrappad_functions),
 347     ALG(PROV_NAMES_AES_128_WRAP_PAD, ossl_aes128wrappad_functions),
 348     ALG(PROV_NAMES_AES_256_WRAP_INV, ossl_aes256wrapinv_functions),
 349     ALG(PROV_NAMES_AES_192_WRAP_INV, ossl_aes192wrapinv_functions),
 350     ALG(PROV_NAMES_AES_128_WRAP_INV, ossl_aes128wrapinv_functions),
 351     ALG(PROV_NAMES_AES_256_WRAP_PAD_INV, ossl_aes256wrappadinv_functions),
 352     ALG(PROV_NAMES_AES_192_WRAP_PAD_INV, ossl_aes192wrappadinv_functions),
 353     ALG(PROV_NAMES_AES_128_WRAP_PAD_INV, ossl_aes128wrappadinv_functions),
 354     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA1, ossl_aes128cbc_hmac_sha1_functions,
 355          ossl_cipher_capable_aes_cbc_hmac_sha1),
 356     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA1, ossl_aes256cbc_hmac_sha1_functions,
 357          ossl_cipher_capable_aes_cbc_hmac_sha1),
 358     ALGC(PROV_NAMES_AES_128_CBC_HMAC_SHA256, ossl_aes128cbc_hmac_sha256_functions,
 359          ossl_cipher_capable_aes_cbc_hmac_sha256),
 360     ALGC(PROV_NAMES_AES_256_CBC_HMAC_SHA256, ossl_aes256cbc_hmac_sha256_functions,
 361          ossl_cipher_capable_aes_cbc_hmac_sha256),
 362 #ifndef OPENSSL_NO_DES
 363     UNAPPROVED_ALG(PROV_NAMES_DES_EDE3_ECB, ossl_tdes_ede3_ecb_functions),
 364     UNAPPROVED_ALG(PROV_NAMES_DES_EDE3_CBC, ossl_tdes_ede3_cbc_functions),
 365 #endif  /* OPENSSL_NO_DES */
 366     { { NULL, NULL, NULL }, NULL }
 367 };
 368 static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)];
 369
 370 static const OSSL_ALGORITHM fips_macs[] = {
 371 #ifndef OPENSSL_NO_CMAC
 372     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES, ossl_cmac_functions },
 373 #endif
 374     { PROV_NAMES_GMAC, FIPS_DEFAULT_PROPERTIES, ossl_gmac_functions },
 375     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_hmac_functions },
 376     { PROV_NAMES_KMAC_128, FIPS_DEFAULT_PROPERTIES, ossl_kmac128_functions },
 377     { PROV_NAMES_KMAC_256, FIPS_DEFAULT_PROPERTIES, ossl_kmac256_functions },
 378     { NULL, NULL, NULL }
 379 };
 380
 381 static const OSSL_ALGORITHM fips_kdfs[] = {
 382     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_functions },
 383     { PROV_NAMES_TLS1_3_KDF, FIPS_DEFAULT_PROPERTIES,
 384       ossl_kdf_tls1_3_kdf_functions },
 385     { PROV_NAMES_SSKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sskdf_functions },
 386     { PROV_NAMES_PBKDF2, FIPS_DEFAULT_PROPERTIES, ossl_kdf_pbkdf2_functions },
 387     { PROV_NAMES_SSHKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_sshkdf_functions },
 388     { PROV_NAMES_X963KDF, FIPS_DEFAULT_PROPERTIES,
 389       ossl_kdf_x963_kdf_functions },
 390     { PROV_NAMES_X942KDF_ASN1, FIPS_DEFAULT_PROPERTIES,
 391       ossl_kdf_x942_kdf_functions },
 392     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
 393       ossl_kdf_tls1_prf_functions },
 394     { PROV_NAMES_KBKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_kbkdf_functions },
 395     { NULL, NULL, NULL }
 396 };
 397
 398 static const OSSL_ALGORITHM fips_rands[] = {
 399     { PROV_NAMES_CTR_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ctr_functions },
 400     { PROV_NAMES_HASH_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_hash_functions },
 401     { PROV_NAMES_HMAC_DRBG, FIPS_DEFAULT_PROPERTIES, ossl_drbg_ossl_hmac_functions },
 402     { PROV_NAMES_TEST_RAND, FIPS_UNAPPROVED_PROPERTIES, ossl_test_rng_functions },
 403     { NULL, NULL, NULL }
 404 };
 405
 406 static const OSSL_ALGORITHM fips_keyexch[] = {
 407 #ifndef OPENSSL_NO_DH
 408     { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keyexch_functions },
 409 #endif
 410 #ifndef OPENSSL_NO_EC
 411     { PROV_NAMES_ECDH, FIPS_DEFAULT_PROPERTIES, ossl_ecdh_keyexch_functions },
 412 # ifndef OPENSSL_NO_ECX
 413     { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keyexch_functions },
 414     { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keyexch_functions },
 415 # endif
 416 #endif
 417     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
 418       ossl_kdf_tls1_prf_keyexch_functions },
 419     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_hkdf_keyexch_functions },
 420     { NULL, NULL, NULL }
 421 };
 422
 423 static const OSSL_ALGORITHM fips_signature[] = {
 424 #ifndef OPENSSL_NO_DSA
 425     { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_signature_functions },
 426 #endif
 427     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_signature_functions },
 428 #ifndef OPENSSL_NO_EC
 429 # ifndef OPENSSL_NO_ECX
 430     { PROV_NAMES_ED25519, FIPS_UNAPPROVED_PROPERTIES,
 431       ossl_ed25519_signature_functions },
 432     { PROV_NAMES_ED448, FIPS_UNAPPROVED_PROPERTIES, ossl_ed448_signature_functions },
 433 # endif
 434     { PROV_NAMES_ECDSA, FIPS_DEFAULT_PROPERTIES, ossl_ecdsa_signature_functions },
 435 #endif
 436     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES,
 437       ossl_mac_legacy_hmac_signature_functions },
 438 #ifndef OPENSSL_NO_CMAC
 439     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
 440       ossl_mac_legacy_cmac_signature_functions },
 441 #endif
 442     { NULL, NULL, NULL }
 443 };
 444
 445 static const OSSL_ALGORITHM fips_asym_cipher[] = {
 446     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_cipher_functions },
 447     { NULL, NULL, NULL }
 448 };
 449
 450 static const OSSL_ALGORITHM fips_asym_kem[] = {
 451     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_asym_kem_functions },
 452     { NULL, NULL, NULL }
 453 };
 454
 455 static const OSSL_ALGORITHM fips_keymgmt[] = {
 456 #ifndef OPENSSL_NO_DH
 457     { PROV_NAMES_DH, FIPS_DEFAULT_PROPERTIES, ossl_dh_keymgmt_functions,
 458       PROV_DESCS_DH },
 459     { PROV_NAMES_DHX, FIPS_DEFAULT_PROPERTIES, ossl_dhx_keymgmt_functions,
 460       PROV_DESCS_DHX },
 461 #endif
 462 #ifndef OPENSSL_NO_DSA
 463     { PROV_NAMES_DSA, FIPS_DEFAULT_PROPERTIES, ossl_dsa_keymgmt_functions,
 464       PROV_DESCS_DSA },
 465 #endif
 466     { PROV_NAMES_RSA, FIPS_DEFAULT_PROPERTIES, ossl_rsa_keymgmt_functions,
 467       PROV_DESCS_RSA },
 468     { PROV_NAMES_RSA_PSS, FIPS_DEFAULT_PROPERTIES,
 469       ossl_rsapss_keymgmt_functions, PROV_DESCS_RSA_PSS },
 470 #ifndef OPENSSL_NO_EC
 471     { PROV_NAMES_EC, FIPS_DEFAULT_PROPERTIES, ossl_ec_keymgmt_functions,
 472       PROV_DESCS_EC },
 473 # ifndef OPENSSL_NO_ECX
 474     { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keymgmt_functions,
 475       PROV_DESCS_X25519 },
 476     { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keymgmt_functions,
 477       PROV_DESCS_X448 },
 478     { PROV_NAMES_ED25519, FIPS_UNAPPROVED_PROPERTIES, ossl_ed25519_keymgmt_functions,
 479       PROV_DESCS_ED25519 },
 480     { PROV_NAMES_ED448, FIPS_UNAPPROVED_PROPERTIES, ossl_ed448_keymgmt_functions,
 481       PROV_DESCS_ED448 },
 482 # endif
 483 #endif
 484     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
 485       PROV_DESCS_TLS1_PRF_SIGN },
 486     { PROV_NAMES_HKDF, FIPS_DEFAULT_PROPERTIES, ossl_kdf_keymgmt_functions,
 487       PROV_DESCS_HKDF_SIGN },
 488     { PROV_NAMES_HMAC, FIPS_DEFAULT_PROPERTIES, ossl_mac_legacy_keymgmt_functions,
 489       PROV_DESCS_HMAC_SIGN },
 490 #ifndef OPENSSL_NO_CMAC
 491     { PROV_NAMES_CMAC, FIPS_DEFAULT_PROPERTIES,
 492       ossl_cmac_legacy_keymgmt_functions, PROV_DESCS_CMAC_SIGN },
 493 #endif
 494     { NULL, NULL, NULL }
 495 };
 496
 497 static const OSSL_ALGORITHM *fips_query(void *provctx, int operation_id,
 498                                         int *no_cache)
 499 {
 500     *no_cache = 0;
 501
 502     if (!ossl_prov_is_running())
 503         return NULL;
 504
 505     switch (operation_id) {
 506     case OSSL_OP_DIGEST:
 507         return fips_digests;
 508     case OSSL_OP_CIPHER:
 509         return exported_fips_ciphers;
 510     case OSSL_OP_MAC:
 511         return fips_macs;
 512     case OSSL_OP_KDF:
 513         return fips_kdfs;
 514     case OSSL_OP_RAND:
 515         return fips_rands;
 516     case OSSL_OP_KEYMGMT:
 517         return fips_keymgmt;
 518     case OSSL_OP_KEYEXCH:
 519         return fips_keyexch;
 520     case OSSL_OP_SIGNATURE:
 521         return fips_signature;
 522     case OSSL_OP_ASYM_CIPHER:
 523         return fips_asym_cipher;
 524     case OSSL_OP_KEM:
 525         return fips_asym_kem;
 526     }
 527     return NULL;
 528 }
 529
 530 static void fips_teardown(void *provctx)
 531 {
 532     OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx));
 533     ossl_prov_ctx_free(provctx);
 534 }
 535
 536 static void fips_intern_teardown(void *provctx)
 537 {
 538     /*
 539      * We know that the library context is the same as for the outer provider,
 540      * so no need to destroy it here.
 541      */
 542     ossl_prov_ctx_free(provctx);
 543 }
 544
 545 /* Functions we provide to the core */
 546 static const OSSL_DISPATCH fips_dispatch_table[] = {
 547     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown },
 548     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params },
 549     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params },
 550     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 551     { OSSL_FUNC_PROVIDER_GET_CAPABILITIES,
 552       (void (*)(void))ossl_prov_get_capabilities },
 553     { OSSL_FUNC_PROVIDER_SELF_TEST, (void (*)(void))fips_self_test },
 554     OSSL_DISPATCH_END
 555 };
 556
 557 /* Functions we provide to ourself */
 558 static const OSSL_DISPATCH intern_dispatch_table[] = {
 559     { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown },
 560     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query },
 561     OSSL_DISPATCH_END
 562 };
 563
 564 /*
 565  * On VMS, the provider init function name is expected to be uppercase,
 566  * see the pragmas in <openssl/core.h>.  Let's do the same with this
 567  * internal name.  This is how symbol names are treated by default
 568  * by the compiler if nothing else is said, but since this is part
 569  * of libfips, and we build our libraries with mixed case symbol names,
 570  * we must switch back to this default explicitly here.
 571  */
 572 #ifdef __VMS
 573 # pragma names save
 574 # pragma names uppercase,truncated
 575 #endif
 576 OSSL_provider_init_fn OSSL_provider_init_int;
 577 #ifdef __VMS
 578 # pragma names restore
 579 #endif
 580 int OSSL_provider_init_int(const OSSL_CORE_HANDLE *handle,
 581                            const OSSL_DISPATCH *in,
 582                            const OSSL_DISPATCH **out,
 583                            void **provctx)
 584 {
 585     FIPS_GLOBAL *fgbl;
 586     OSSL_LIB_CTX *libctx = NULL;
 587     SELF_TEST_POST_PARAMS selftest_params;
 588
 589     memset(&selftest_params, 0, sizeof(selftest_params));
 590
 591     if (!ossl_prov_seeding_from_dispatch(in))
 592         goto err;
 593     for (; in->function_id != 0; in++) {
 594         /*
 595          * We do not support the scenario of an application linked against
 596          * multiple versions of libcrypto (e.g. one static and one dynamic), but
 597          * sharing a single fips.so. We do a simple sanity check here.
 598          */
 599 #define set_func(c, f) if (c == NULL) c = f; else if (c != f) return 0;
 600         switch (in->function_id) {
 601         case OSSL_FUNC_CORE_GET_LIBCTX:
 602             set_func(c_get_libctx, OSSL_FUNC_core_get_libctx(in));
 603             break;
 604         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
 605             set_func(c_gettable_params, OSSL_FUNC_core_gettable_params(in));
 606             break;
 607         case OSSL_FUNC_CORE_GET_PARAMS:
 608             set_func(c_get_params, OSSL_FUNC_core_get_params(in));
 609             break;
 610         case OSSL_FUNC_CORE_THREAD_START:
 611             set_func(c_thread_start, OSSL_FUNC_core_thread_start(in));
 612             break;
 613         case OSSL_FUNC_CORE_NEW_ERROR:
 614             set_func(c_new_error, OSSL_FUNC_core_new_error(in));
 615             break;
 616         case OSSL_FUNC_CORE_SET_ERROR_DEBUG:
 617             set_func(c_set_error_debug, OSSL_FUNC_core_set_error_debug(in));
 618             break;
 619         case OSSL_FUNC_CORE_VSET_ERROR:
 620             set_func(c_vset_error, OSSL_FUNC_core_vset_error(in));
 621             break;
 622         case OSSL_FUNC_CORE_SET_ERROR_MARK:
 623             set_func(c_set_error_mark, OSSL_FUNC_core_set_error_mark(in));
 624             break;
 625         case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK:
 626             set_func(c_clear_last_error_mark,
 627                      OSSL_FUNC_core_clear_last_error_mark(in));
 628             break;
 629         case OSSL_FUNC_CORE_POP_ERROR_TO_MARK:
 630             set_func(c_pop_error_to_mark, OSSL_FUNC_core_pop_error_to_mark(in));
 631             break;
 632         case OSSL_FUNC_CRYPTO_MALLOC:
 633             set_func(c_CRYPTO_malloc, OSSL_FUNC_CRYPTO_malloc(in));
 634             break;
 635         case OSSL_FUNC_CRYPTO_ZALLOC:
 636             set_func(c_CRYPTO_zalloc, OSSL_FUNC_CRYPTO_zalloc(in));
 637             break;
 638         case OSSL_FUNC_CRYPTO_FREE:
 639             set_func(c_CRYPTO_free, OSSL_FUNC_CRYPTO_free(in));
 640             break;
 641         case OSSL_FUNC_CRYPTO_CLEAR_FREE:
 642             set_func(c_CRYPTO_clear_free, OSSL_FUNC_CRYPTO_clear_free(in));
 643             break;
 644         case OSSL_FUNC_CRYPTO_REALLOC:
 645             set_func(c_CRYPTO_realloc, OSSL_FUNC_CRYPTO_realloc(in));
 646             break;
 647         case OSSL_FUNC_CRYPTO_CLEAR_REALLOC:
 648             set_func(c_CRYPTO_clear_realloc,
 649                      OSSL_FUNC_CRYPTO_clear_realloc(in));
 650             break;
 651         case OSSL_FUNC_CRYPTO_SECURE_MALLOC:
 652             set_func(c_CRYPTO_secure_malloc,
 653                      OSSL_FUNC_CRYPTO_secure_malloc(in));
 654             break;
 655         case OSSL_FUNC_CRYPTO_SECURE_ZALLOC:
 656             set_func(c_CRYPTO_secure_zalloc,
 657                      OSSL_FUNC_CRYPTO_secure_zalloc(in));
 658             break;
 659         case OSSL_FUNC_CRYPTO_SECURE_FREE:
 660             set_func(c_CRYPTO_secure_free,
 661                      OSSL_FUNC_CRYPTO_secure_free(in));
 662             break;
 663         case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE:
 664             set_func(c_CRYPTO_secure_clear_free,
 665                      OSSL_FUNC_CRYPTO_secure_clear_free(in));
 666             break;
 667         case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED:
 668             set_func(c_CRYPTO_secure_allocated,
 669                      OSSL_FUNC_CRYPTO_secure_allocated(in));
 670             break;
 671         case OSSL_FUNC_BIO_NEW_FILE:
 672             set_func(selftest_params.bio_new_file_cb,
 673                      OSSL_FUNC_BIO_new_file(in));
 674             break;
 675         case OSSL_FUNC_BIO_NEW_MEMBUF:
 676             set_func(selftest_params.bio_new_buffer_cb,
 677                      OSSL_FUNC_BIO_new_membuf(in));
 678             break;
 679         case OSSL_FUNC_BIO_READ_EX:
 680             set_func(selftest_params.bio_read_ex_cb,
 681                      OSSL_FUNC_BIO_read_ex(in));
 682             break;
 683         case OSSL_FUNC_BIO_FREE:
 684             set_func(selftest_params.bio_free_cb, OSSL_FUNC_BIO_free(in));
 685             break;
 686         case OSSL_FUNC_BIO_VSNPRINTF:
 687             set_func(c_BIO_vsnprintf, OSSL_FUNC_BIO_vsnprintf(in));
 688             break;
 689         case OSSL_FUNC_SELF_TEST_CB:
 690             set_func(c_stcbfn, OSSL_FUNC_self_test_cb(in));
 691             break;
 692         default:
 693             /* Just ignore anything we don't understand */
 694             break;
 695         }
 696     }
 697
 698     /*  Create a context. */
 699     if ((*provctx = ossl_prov_ctx_new()) == NULL
 700         || (libctx = OSSL_LIB_CTX_new()) == NULL) {
 701         /*
 702          * We free libctx separately here and only here because it hasn't
 703          * been attached to *provctx.  All other error paths below rely
 704          * solely on fips_teardown.
 705          */
 706         OSSL_LIB_CTX_free(libctx);
 707         goto err;
 708     }
 709
 710     if ((fgbl = ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX)) == NULL)
 711         goto err;
 712
 713     fgbl->handle = handle;
 714
 715     /*
 716      * We did initial set up of selftest_params in a local copy, because we
 717      * could not create fgbl until c_CRYPTO_zalloc was defined in the loop
 718      * above.
 719      */
 720     fgbl->selftest_params = selftest_params;
 721
 722     fgbl->selftest_params.libctx = libctx;
 723
 724     set_self_test_cb(fgbl);
 725
 726     if (!fips_get_params_from_core(fgbl)) {
 727         /* Error already raised */
 728         goto err;
 729     }
 730     /*
 731      * Disable the conditional error check if it's disabled in the fips config
 732      * file.
 733      */
 734     if (fgbl->selftest_params.conditional_error_check != NULL
 735         && strcmp(fgbl->selftest_params.conditional_error_check, "0") == 0)
 736         SELF_TEST_disable_conditional_error_state();
 737
 738     /* Enable or disable FIPS provider options */
 739 #define FIPS_SET_OPTION(fgbl, field)                                            \
 740     if (fgbl->field.option != NULL) {                                       \
 741         if (strcmp(fgbl->field.option, "1") == 0)                           \
 742             fgbl->field.enabled = 1;                                        \
 743         else if (strcmp(fgbl->field.option, "0") == 0)                      \
 744             fgbl->field.enabled = 0;                                        \
 745         else                                                                \
 746             goto err;                                                       \
 747     }
 748
 749     FIPS_SET_OPTION(fgbl, fips_security_checks);
 750     FIPS_SET_OPTION(fgbl, fips_tls1_prf_ems_check);
 751     FIPS_SET_OPTION(fgbl, fips_restricted_drgb_digests);
 752 #undef FIPS_SET_OPTION
 753
 754     ossl_prov_cache_exported_algorithms(fips_ciphers, exported_fips_ciphers);
 755
 756     if (!SELF_TEST_post(&fgbl->selftest_params, 0)) {
 757         ERR_raise(ERR_LIB_PROV, PROV_R_SELF_TEST_POST_FAILURE);
 758         goto err;
 759     }
 760
 761     ossl_prov_ctx_set0_libctx(*provctx, libctx);
 762     ossl_prov_ctx_set0_handle(*provctx, handle);
 763
 764     *out = fips_dispatch_table;
 765     return 1;
 766  err:
 767     fips_teardown(*provctx);
 768     OSSL_LIB_CTX_free(libctx);
 769     *provctx = NULL;
 770     return 0;
 771 }
 772
 773 /*
 774  * The internal init function used when the FIPS module uses EVP to call
 775  * another algorithm also in the FIPS module. This is a recursive call that has
 776  * been made from within the FIPS module itself. To make this work, we populate
 777  * the provider context of this inner instance with the same library context
 778  * that was used in the EVP call that initiated this recursive call.
 779  */
 780 OSSL_provider_init_fn ossl_fips_intern_provider_init;
 781 int ossl_fips_intern_provider_init(const OSSL_CORE_HANDLE *handle,
 782                                    const OSSL_DISPATCH *in,
 783                                    const OSSL_DISPATCH **out,
 784                                    void **provctx)
 785 {
 786     OSSL_FUNC_core_get_libctx_fn *c_internal_get_libctx = NULL;
 787
 788     for (; in->function_id != 0; in++) {
 789         switch (in->function_id) {
 790         case OSSL_FUNC_CORE_GET_LIBCTX:
 791             c_internal_get_libctx = OSSL_FUNC_core_get_libctx(in);
 792             break;
 793         default:
 794             break;
 795         }
 796     }
 797
 798     if (c_internal_get_libctx == NULL)
 799         return 0;
 800
 801     if ((*provctx = ossl_prov_ctx_new()) == NULL)
 802         return 0;
 803
 804     /*
 805      * Using the parent library context only works because we are a built-in
 806      * internal provider. This is not something that most providers would be
 807      * able to do.
 808      */
 809     ossl_prov_ctx_set0_libctx(*provctx,
 810                               (OSSL_LIB_CTX *)c_internal_get_libctx(handle));
 811     ossl_prov_ctx_set0_handle(*provctx, handle);
 812
 813     *out = intern_dispatch_table;
 814     return 1;
 815 }
 816
 817 void ERR_new(void)
 818 {
 819     c_new_error(NULL);
 820 }
 821
 822 void ERR_set_debug(const char *file, int line, const char *func)
 823 {
 824     c_set_error_debug(NULL, file, line, func);
 825 }
 826
 827 void ERR_set_error(int lib, int reason, const char *fmt, ...)
 828 {
 829     va_list args;
 830
 831     va_start(args, fmt);
 832     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 833     va_end(args);
 834 }
 835
 836 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args)
 837 {
 838     c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args);
 839 }
 840
 841 int ERR_set_mark(void)
 842 {
 843     return c_set_error_mark(NULL);
 844 }
 845
 846 int ERR_clear_last_mark(void)
 847 {
 848     return c_clear_last_error_mark(NULL);
 849 }
 850
 851 int ERR_pop_to_mark(void)
 852 {
 853     return c_pop_error_to_mark(NULL);
 854 }
 855
 856 /*
 857  * This must take a library context, since it's called from the depths
 858  * of crypto/initthread.c code, where it's (correctly) assumed that the
 859  * passed caller argument is an OSSL_LIB_CTX pointer (since the same routine
 860  * is also called from other parts of libcrypto, which all pass around a
 861  * OSSL_LIB_CTX pointer)
 862  */
 863 const OSSL_CORE_HANDLE *FIPS_get_core_handle(OSSL_LIB_CTX *libctx)
 864 {
 865     FIPS_GLOBAL *fgbl = ossl_lib_ctx_get_data(libctx,
 866                                               OSSL_LIB_CTX_FIPS_PROV_INDEX);
 867
 868     if (fgbl == NULL)
 869         return NULL;
 870
 871     return fgbl->handle;
 872 }
 873
 874 void *CRYPTO_malloc(size_t num, const char *file, int line)
 875 {
 876     return c_CRYPTO_malloc(num, file, line);
 877 }
 878
 879 void *CRYPTO_zalloc(size_t num, const char *file, int line)
 880 {
 881     return c_CRYPTO_zalloc(num, file, line);
 882 }
 883
 884 void CRYPTO_free(void *ptr, const char *file, int line)
 885 {
 886     c_CRYPTO_free(ptr, file, line);
 887 }
 888
 889 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line)
 890 {
 891     c_CRYPTO_clear_free(ptr, num, file, line);
 892 }
 893
 894 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line)
 895 {
 896     return c_CRYPTO_realloc(addr, num, file, line);
 897 }
 898
 899 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
 900                            const char *file, int line)
 901 {
 902     return c_CRYPTO_clear_realloc(addr, old_num, num, file, line);
 903 }
 904
 905 void *CRYPTO_secure_malloc(size_t num, const char *file, int line)
 906 {
 907     return c_CRYPTO_secure_malloc(num, file, line);
 908 }
 909
 910 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line)
 911 {
 912     return c_CRYPTO_secure_zalloc(num, file, line);
 913 }
 914
 915 void CRYPTO_secure_free(void *ptr, const char *file, int line)
 916 {
 917     c_CRYPTO_secure_free(ptr, file, line);
 918 }
 919
 920 void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line)
 921 {
 922     c_CRYPTO_secure_clear_free(ptr, num, file, line);
 923 }
 924
 925 int CRYPTO_secure_allocated(const void *ptr)
 926 {
 927     return c_CRYPTO_secure_allocated(ptr);
 928 }
 929
 930 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
 931 {
 932     va_list args;
 933     int ret;
 934
 935     va_start(args, format);
 936     ret = c_BIO_vsnprintf(buf, n, format, args);
 937     va_end(args);
 938     return ret;
 939 }
 940
 941 #define FIPS_FEATURE_CHECK(fname, field)                                    \
 942     int fname(OSSL_LIB_CTX *libctx)                                         \
 943     {                                                                       \
 944         FIPS_GLOBAL *fgbl =                                                 \
 945             ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_FIPS_PROV_INDEX);    \
 946         return fgbl->field.enabled;                                         \
 947     }
 948
 949 FIPS_FEATURE_CHECK(FIPS_security_check_enabled, fips_security_checks)
 950 FIPS_FEATURE_CHECK(FIPS_tls_prf_ems_check, fips_tls1_prf_ems_check)
 951 FIPS_FEATURE_CHECK(FIPS_restricted_drbg_digests_enabled,
 952                    fips_restricted_drgb_digests)
 953 #undef FIPS_FEATURE_CHECK
 954
 955 void OSSL_SELF_TEST_get_callback(OSSL_LIB_CTX *libctx, OSSL_CALLBACK **cb,
 956                                  void **cbarg)
 957 {
 958     assert(libctx != NULL);
 959
 960     if (c_stcbfn != NULL && c_get_libctx != NULL) {
 961         /* Get the parent libctx */
 962         c_stcbfn(c_get_libctx(FIPS_get_core_handle(libctx)), cb, cbarg);
 963     } else {
 964         if (cb != NULL)
 965             *cb = NULL;
 966         if (cbarg != NULL)
 967             *cbarg = NULL;
 968     }
 969 }