/* * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include #include #include #include #include #include #include #include #include /* TODO(3.0): Needed for dummy_evp_call(). To be removed */ #include #include #include #include #include "internal/cryptlib.h" #include "internal/property.h" #include "internal/nelem.h" #include "openssl/param_build.h" #include "crypto/evp.h" #include "prov/implementations.h" #include "prov/provider_ctx.h" #include "prov/providercommon.h" #include "prov/provider_util.h" #include "self_test.h" /* * Forward declarations to ensure that interface functions are correctly * defined. */ static OSSL_provider_teardown_fn fips_teardown; static OSSL_provider_gettable_params_fn fips_gettable_params; static OSSL_provider_get_params_fn fips_get_params; static OSSL_provider_query_operation_fn fips_query; #define ALGC(NAMES, FUNC, CHECK) { { NAMES, "provider=fips,fips=yes", FUNC }, CHECK } #define ALG(NAMES, FUNC) ALGC(NAMES, FUNC, NULL) extern OSSL_core_thread_start_fn *c_thread_start; /* * TODO(3.0): Should these be stored in the provider side provctx? Could they * ever be different from one init to the next? Unfortunately we can't do this * at the moment because c_put_error/c_add_error_vdata do not provide * us with the OPENSSL_CTX as a parameter. */ static SELF_TEST_POST_PARAMS selftest_params; /* Functions provided by the core */ static OSSL_core_gettable_params_fn *c_gettable_params; static OSSL_core_get_params_fn *c_get_params; OSSL_core_thread_start_fn *c_thread_start; static OSSL_core_new_error_fn *c_new_error; static OSSL_core_set_error_debug_fn *c_set_error_debug; static OSSL_core_vset_error_fn *c_vset_error; static OSSL_core_set_error_mark_fn *c_set_error_mark; static OSSL_core_clear_last_error_mark_fn *c_clear_last_error_mark; static OSSL_core_pop_error_to_mark_fn *c_pop_error_to_mark; static OSSL_CRYPTO_malloc_fn *c_CRYPTO_malloc; static OSSL_CRYPTO_zalloc_fn *c_CRYPTO_zalloc; static OSSL_CRYPTO_free_fn *c_CRYPTO_free; static OSSL_CRYPTO_clear_free_fn *c_CRYPTO_clear_free; static OSSL_CRYPTO_realloc_fn *c_CRYPTO_realloc; static OSSL_CRYPTO_clear_realloc_fn *c_CRYPTO_clear_realloc; static OSSL_CRYPTO_secure_malloc_fn *c_CRYPTO_secure_malloc; static OSSL_CRYPTO_secure_zalloc_fn *c_CRYPTO_secure_zalloc; static OSSL_CRYPTO_secure_free_fn *c_CRYPTO_secure_free; static OSSL_CRYPTO_secure_clear_free_fn *c_CRYPTO_secure_clear_free; static OSSL_CRYPTO_secure_allocated_fn *c_CRYPTO_secure_allocated; static OSSL_BIO_vsnprintf_fn *c_BIO_vsnprintf; typedef struct fips_global_st { const OSSL_PROVIDER *prov; } FIPS_GLOBAL; static void *fips_prov_ossl_ctx_new(OPENSSL_CTX *libctx) { FIPS_GLOBAL *fgbl = OPENSSL_zalloc(sizeof(*fgbl)); return fgbl; } static void fips_prov_ossl_ctx_free(void *fgbl) { OPENSSL_free(fgbl); } static const OPENSSL_CTX_METHOD fips_prov_ossl_ctx_method = { fips_prov_ossl_ctx_new, fips_prov_ossl_ctx_free, }; /* Parameters we provide to the core */ static const OSSL_PARAM fips_param_types[] = { OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0), OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0), OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0), OSSL_PARAM_END }; /* * Parameters to retrieve from the core provider - required for self testing. * NOTE: inside core_get_params() these will be loaded from config items * stored inside prov->parameters (except for OSSL_PROV_PARAM_MODULE_FILENAME). */ static OSSL_PARAM core_params[] = { OSSL_PARAM_utf8_ptr(OSSL_PROV_PARAM_MODULE_FILENAME, selftest_params.module_filename, sizeof(selftest_params.module_filename)), OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_MODULE_MAC, selftest_params.module_checksum_data, sizeof(selftest_params.module_checksum_data)), OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_MAC, selftest_params.indicator_checksum_data, sizeof(selftest_params.indicator_checksum_data)), OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_STATUS, selftest_params.indicator_data, sizeof(selftest_params.indicator_data)), OSSL_PARAM_utf8_ptr(OSSL_PROV_FIPS_PARAM_INSTALL_VERSION, selftest_params.indicator_version, sizeof(selftest_params.indicator_version)), OSSL_PARAM_END }; /* TODO(3.0): To be removed */ static int dummy_evp_call(OPENSSL_CTX *libctx) { EVP_MD_CTX *ctx = EVP_MD_CTX_new(); EVP_MD *sha256 = EVP_MD_fetch(libctx, "SHA256", NULL); EVP_KDF *kdf = EVP_KDF_fetch(libctx, OSSL_KDF_NAME_PBKDF2, NULL); unsigned char dgst[SHA256_DIGEST_LENGTH]; unsigned int dgstlen; int ret = 0; BN_CTX *bnctx = NULL; BIGNUM *a = NULL, *b = NULL; unsigned char randbuf[128]; RAND_DRBG *drbg = OPENSSL_CTX_get0_public_drbg(libctx); #ifndef OPENSSL_NO_EC EC_KEY *key = NULL; #endif static const char msg[] = "Hello World!"; static const unsigned char exptd[] = { 0x7f, 0x83, 0xb1, 0x65, 0x7f, 0xf1, 0xfc, 0x53, 0xb9, 0x2d, 0xc1, 0x81, 0x48, 0xa1, 0xd6, 0x5d, 0xfc, 0x2d, 0x4b, 0x1f, 0xa3, 0xd6, 0x77, 0x28, 0x4a, 0xdd, 0xd2, 0x00, 0x12, 0x6d, 0x90, 0x69 }; if (ctx == NULL || sha256 == NULL || drbg == NULL || kdf == NULL) goto err; if (!EVP_DigestInit_ex(ctx, sha256, NULL)) goto err; if (!EVP_DigestUpdate(ctx, msg, sizeof(msg) - 1)) goto err; if (!EVP_DigestFinal(ctx, dgst, &dgstlen)) goto err; if (dgstlen != sizeof(exptd) || memcmp(dgst, exptd, sizeof(exptd)) != 0) goto err; bnctx = BN_CTX_new_ex(libctx); if (bnctx == NULL) goto err; BN_CTX_start(bnctx); a = BN_CTX_get(bnctx); b = BN_CTX_get(bnctx); if (b == NULL) goto err; BN_zero(a); if (!BN_one(b) || !BN_add(a, a, b) || BN_cmp(a, b) != 0) goto err; if (RAND_DRBG_bytes(drbg, randbuf, sizeof(randbuf)) <= 0) goto err; if (!BN_rand_ex(a, 256, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY, bnctx)) goto err; #ifndef OPENSSL_NO_EC /* Do some dummy EC calls */ key = EC_KEY_new_by_curve_name_ex(libctx, NID_X9_62_prime256v1); if (key == NULL) goto err; if (!EC_KEY_generate_key(key)) goto err; #endif ret = 1; err: BN_CTX_end(bnctx); BN_CTX_free(bnctx); EVP_KDF_free(kdf); EVP_MD_CTX_free(ctx); EVP_MD_free(sha256); #ifndef OPENSSL_NO_EC EC_KEY_free(key); #endif return ret; } static const OSSL_PARAM *fips_gettable_params(void *provctx) { return fips_param_types; } static int fips_get_params(void *provctx, OSSL_PARAM params[]) { OSSL_PARAM *p; p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME); if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL FIPS Provider")) return 0; p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION); if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR)) return 0; p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO); if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR)) return 0; return 1; } /* FIPS specific version of the function of the same name in provlib.c */ const char *ossl_prov_util_nid_to_name(int nid) { /* We don't have OBJ_nid2n() in FIPS_MODULE so we have an explicit list */ switch (nid) { /* Digests */ case NID_sha1: return "SHA1"; case NID_sha224: return "SHA-224"; case NID_sha256: return "SHA-256"; case NID_sha384: return "SHA-384"; case NID_sha512: return "SHA-512"; case NID_sha512_224: return "SHA-512/224"; case NID_sha512_256: return "SHA-512/256"; case NID_sha3_224: return "SHA3-224"; case NID_sha3_256: return "SHA3-256"; case NID_sha3_384: return "SHA3-384"; case NID_sha3_512: return "SHA3-512"; /* Ciphers */ case NID_aes_256_ecb: return "AES-256-ECB"; case NID_aes_192_ecb: return "AES-192-ECB"; case NID_aes_128_ecb: return "AES-128-ECB"; case NID_aes_256_cbc: return "AES-256-CBC"; case NID_aes_192_cbc: return "AES-192-CBC"; case NID_aes_128_cbc: return "AES-128-CBC"; case NID_aes_256_ctr: return "AES-256-CTR"; case NID_aes_192_ctr: return "AES-192-CTR"; case NID_aes_128_ctr: return "AES-128-CTR"; case NID_aes_256_xts: return "AES-256-XTS"; case NID_aes_128_xts: return "AES-128-XTS"; case NID_aes_256_gcm: return "AES-256-GCM"; case NID_aes_192_gcm: return "AES-192-GCM"; case NID_aes_128_gcm: return "AES-128-GCM"; case NID_aes_256_ccm: return "AES-256-CCM"; case NID_aes_192_ccm: return "AES-192-CCM"; case NID_aes_128_ccm: return "AES-128-CCM"; case NID_id_aes256_wrap: return "AES-256-WRAP"; case NID_id_aes192_wrap: return "AES-192-WRAP"; case NID_id_aes128_wrap: return "AES-128-WRAP"; case NID_id_aes256_wrap_pad: return "AES-256-WRAP-PAD"; case NID_id_aes192_wrap_pad: return "AES-192-WRAP-PAD"; case NID_id_aes128_wrap_pad: return "AES-128-WRAP-PAD"; case NID_des_ede3_ecb: return "DES-EDE3"; case NID_des_ede3_cbc: return "DES-EDE3-CBC"; case NID_aes_256_cbc_hmac_sha256: return "AES-256-CBC-HMAC-SHA256"; case NID_aes_128_cbc_hmac_sha256: return "AES-128-CBC-HMAC-SHA256"; case NID_aes_256_cbc_hmac_sha1: return "AES-256-CBC-HMAC-SHA1"; case NID_aes_128_cbc_hmac_sha1: return "AES-128-CBC-HMAC-SHA1"; default: break; } return NULL; } /* * For the algorithm names, we use the following formula for our primary * names: * * ALGNAME[VERSION?][-SUBNAME[VERSION?]?][-SIZE?][-MODE?] * * VERSION is only present if there are multiple versions of * an alg (MD2, MD4, MD5). It may be omitted if there is only * one version (if a subsequent version is released in the future, * we can always change the canonical name, and add the old name * as an alias). * * SUBNAME may be present where we are combining multiple * algorithms together, e.g. MD5-SHA1. * * SIZE is only present if multiple versions of an algorithm exist * with different sizes (e.g. AES-128-CBC, AES-256-CBC) * * MODE is only present where applicable. * * We add diverse other names where applicable, such as the names that * NIST uses, or that are used for ASN.1 OBJECT IDENTIFIERs, or names * we have used historically. */ static const OSSL_ALGORITHM fips_digests[] = { /* Our primary name:NiST name[:our older names] */ { "SHA1:SHA-1", "provider=fips,fips=yes", sha1_functions }, { "SHA2-224:SHA-224:SHA224", "provider=fips,fips=yes", sha224_functions }, { "SHA2-256:SHA-256:SHA256", "provider=fips,fips=yes", sha256_functions }, { "SHA2-384:SHA-384:SHA384", "provider=fips,fips=yes", sha384_functions }, { "SHA2-512:SHA-512:SHA512", "provider=fips,fips=yes", sha512_functions }, { "SHA2-512/224:SHA-512/224:SHA512-224", "provider=fips,fips=yes", sha512_224_functions }, { "SHA2-512/256:SHA-512/256:SHA512-256", "provider=fips,fips=yes", sha512_256_functions }, /* We agree with NIST here, so one name only */ { "SHA3-224", "provider=fips,fips=yes", sha3_224_functions }, { "SHA3-256", "provider=fips,fips=yes", sha3_256_functions }, { "SHA3-384", "provider=fips,fips=yes", sha3_384_functions }, { "SHA3-512", "provider=fips,fips=yes", sha3_512_functions }, /* Non-FIPS algorithm to support oneshot_hash in the Ed448 code */ { "SHAKE-256:SHAKE256", "provider=fips,fips=no", shake_256_functions }, { NULL, NULL, NULL } }; static const OSSL_ALGORITHM_CAPABLE fips_ciphers[] = { /* Our primary name[:ASN.1 OID name][:our older names] */ ALG("AES-256-ECB", aes256ecb_functions), ALG("AES-192-ECB", aes192ecb_functions), ALG("AES-128-ECB", aes128ecb_functions), ALG("AES-256-CBC", aes256cbc_functions), ALG("AES-192-CBC", aes192cbc_functions), ALG("AES-128-CBC", aes128cbc_functions), ALG("AES-256-CTR", aes256ctr_functions), ALG("AES-192-CTR", aes192ctr_functions), ALG("AES-128-CTR", aes128ctr_functions), ALG("AES-256-XTS", aes256xts_functions), ALG("AES-128-XTS", aes128xts_functions), ALG("AES-256-GCM:id-aes256-GCM", aes256gcm_functions), ALG("AES-192-GCM:id-aes192-GCM", aes192gcm_functions), ALG("AES-128-GCM:id-aes128-GCM", aes128gcm_functions), ALG("AES-256-CCM:id-aes256-CCM", aes256ccm_functions), ALG("AES-192-CCM:id-aes192-CCM", aes192ccm_functions), ALG("AES-128-CCM:id-aes128-CCM", aes128ccm_functions), ALG("AES-256-WRAP:id-aes256-wrap:AES256-WRAP", aes256wrap_functions), ALG("AES-192-WRAP:id-aes192-wrap:AES192-WRAP", aes192wrap_functions), ALG("AES-128-WRAP:id-aes128-wrap:AES128-WRAP", aes128wrap_functions), ALG("AES-256-WRAP-PAD:id-aes256-wrap-pad:AES256-WRAP-PAD", aes256wrappad_functions), ALG("AES-192-WRAP-PAD:id-aes192-wrap-pad:AES192-WRAP-PAD", aes192wrappad_functions), ALG("AES-128-WRAP-PAD:id-aes128-wrap-pad:AES128-WRAP-PAD", aes128wrappad_functions), ALGC("AES-128-CBC-HMAC-SHA1", aes128cbc_hmac_sha1_functions, cipher_capable_aes_cbc_hmac_sha1), ALGC("AES-256-CBC-HMAC-SHA1", aes256cbc_hmac_sha1_functions, cipher_capable_aes_cbc_hmac_sha1), ALGC("AES-128-CBC-HMAC-SHA256", aes128cbc_hmac_sha256_functions, cipher_capable_aes_cbc_hmac_sha256), ALGC("AES-256-CBC-HMAC-SHA256", aes256cbc_hmac_sha256_functions, cipher_capable_aes_cbc_hmac_sha256), #ifndef OPENSSL_NO_DES ALG("DES-EDE3-ECB:DES-EDE3", tdes_ede3_ecb_functions), ALG("DES-EDE3-CBC:DES3", tdes_ede3_cbc_functions), #endif /* OPENSSL_NO_DES */ { { NULL, NULL, NULL }, NULL } }; static OSSL_ALGORITHM exported_fips_ciphers[OSSL_NELEM(fips_ciphers)]; static const OSSL_ALGORITHM fips_macs[] = { { "GMAC", "provider=fips,fips=yes", gmac_functions }, { "HMAC", "provider=fips,fips=yes", hmac_functions }, { NULL, NULL, NULL } }; static const OSSL_ALGORITHM fips_kdfs[] = { { "HKDF", "provider=fips,fips=yes", kdf_hkdf_functions }, { "SSKDF", "provider=fips,fips=yes", kdf_sskdf_functions }, { "PBKDF2", "provider=fips,fips=yes", kdf_pbkdf2_functions }, { "TLS1-PRF", "provider=fips,fips=yes", kdf_tls1_prf_functions }, { NULL, NULL, NULL } }; static const OSSL_ALGORITHM fips_keyexch[] = { #ifndef OPENSSL_NO_DH { "DH:dhKeyAgreement", "provider=fips,fips=yes", dh_keyexch_functions }, #endif #ifndef OPENSSL_NO_EC { "ECDH", "provider=fips,fips=yes", ecdh_keyexch_functions }, { "X25519", "provider=fips,fips=no", x25519_keyexch_functions }, { "X448", "provider=fips,fips=no", x448_keyexch_functions }, #endif { NULL, NULL, NULL } }; static const OSSL_ALGORITHM fips_signature[] = { #ifndef OPENSSL_NO_DSA { "DSA:dsaEncryption", "provider=fips,fips=yes", dsa_signature_functions }, #endif { "RSA:rsaEncryption", "provider=fips,fips=yes", rsa_signature_functions }, #ifndef OPENSSL_NO_EC { "ED25519", "provider=fips,fips=no", ed25519_signature_functions }, { "ED448", "provider=fips,fips=no", ed448_signature_functions }, { "ECDSA", "provider=fips,fips=yes", ecdsa_signature_functions }, #endif { NULL, NULL, NULL } }; static const OSSL_ALGORITHM fips_asym_cipher[] = { { "RSA:rsaEncryption", "provider=fips,fips=yes", rsa_asym_cipher_functions }, { NULL, NULL, NULL } }; static const OSSL_ALGORITHM fips_keymgmt[] = { #ifndef OPENSSL_NO_DH { "DH:dhKeyAgreement", "provider=fips,fips=yes", dh_keymgmt_functions }, #endif #ifndef OPENSSL_NO_DSA { "DSA", "provider=fips,fips=yes", dsa_keymgmt_functions }, #endif { "RSA:rsaEncryption", "provider=fips,fips=yes", rsa_keymgmt_functions }, #ifndef OPENSSL_NO_EC { "EC:id-ecPublicKey", "provider=fips,fips=yes", ec_keymgmt_functions }, { "X25519", "provider=fips,fips=no", x25519_keymgmt_functions }, { "X448", "provider=fips,fips=no", x448_keymgmt_functions }, { "ED25519", "provider=fips,fips=no", ed25519_keymgmt_functions }, { "ED448", "provider=fips,fips=no", ed448_keymgmt_functions }, #endif { NULL, NULL, NULL } }; static const OSSL_ALGORITHM *fips_query(void *provctx, int operation_id, int *no_cache) { *no_cache = 0; switch (operation_id) { case OSSL_OP_DIGEST: return fips_digests; case OSSL_OP_CIPHER: ossl_prov_cache_exported_algorithms(fips_ciphers, exported_fips_ciphers); return exported_fips_ciphers; case OSSL_OP_MAC: return fips_macs; case OSSL_OP_KDF: return fips_kdfs; case OSSL_OP_KEYMGMT: return fips_keymgmt; case OSSL_OP_KEYEXCH: return fips_keyexch; case OSSL_OP_SIGNATURE: return fips_signature; case OSSL_OP_ASYM_CIPHER: return fips_asym_cipher; } return NULL; } static void fips_teardown(void *provctx) { OPENSSL_CTX_free(PROV_LIBRARY_CONTEXT_OF(provctx)); PROV_CTX_free(provctx); } static void fips_intern_teardown(void *provctx) { /* * We know that the library context is the same as for the outer provider, * so no need to destroy it here. */ PROV_CTX_free(provctx); } /* Functions we provide to the core */ static const OSSL_DISPATCH fips_dispatch_table[] = { { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_teardown }, { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))fips_gettable_params }, { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))fips_get_params }, { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query }, { 0, NULL } }; /* Functions we provide to ourself */ static const OSSL_DISPATCH intern_dispatch_table[] = { { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))fips_intern_teardown }, { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))fips_query }, { 0, NULL } }; int OSSL_provider_init(const OSSL_PROVIDER *provider, const OSSL_DISPATCH *in, const OSSL_DISPATCH **out, void **provctx) { FIPS_GLOBAL *fgbl; OPENSSL_CTX *libctx = NULL; OSSL_self_test_cb_fn *stcbfn = NULL; OSSL_core_get_library_context_fn *c_get_libctx = NULL; for (; in->function_id != 0; in++) { switch (in->function_id) { case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT: c_get_libctx = OSSL_get_core_get_library_context(in); break; case OSSL_FUNC_CORE_GETTABLE_PARAMS: c_gettable_params = OSSL_get_core_gettable_params(in); break; case OSSL_FUNC_CORE_GET_PARAMS: c_get_params = OSSL_get_core_get_params(in); break; case OSSL_FUNC_CORE_THREAD_START: c_thread_start = OSSL_get_core_thread_start(in); break; case OSSL_FUNC_CORE_NEW_ERROR: c_new_error = OSSL_get_core_new_error(in); break; case OSSL_FUNC_CORE_SET_ERROR_DEBUG: c_set_error_debug = OSSL_get_core_set_error_debug(in); break; case OSSL_FUNC_CORE_VSET_ERROR: c_vset_error = OSSL_get_core_vset_error(in); break; case OSSL_FUNC_CORE_SET_ERROR_MARK: c_set_error_mark = OSSL_get_core_set_error_mark(in); break; case OSSL_FUNC_CORE_CLEAR_LAST_ERROR_MARK: c_clear_last_error_mark = OSSL_get_core_clear_last_error_mark(in); break; case OSSL_FUNC_CORE_POP_ERROR_TO_MARK: c_pop_error_to_mark = OSSL_get_core_pop_error_to_mark(in); break; case OSSL_FUNC_CRYPTO_MALLOC: c_CRYPTO_malloc = OSSL_get_CRYPTO_malloc(in); break; case OSSL_FUNC_CRYPTO_ZALLOC: c_CRYPTO_zalloc = OSSL_get_CRYPTO_zalloc(in); break; case OSSL_FUNC_CRYPTO_FREE: c_CRYPTO_free = OSSL_get_CRYPTO_free(in); break; case OSSL_FUNC_CRYPTO_CLEAR_FREE: c_CRYPTO_clear_free = OSSL_get_CRYPTO_clear_free(in); break; case OSSL_FUNC_CRYPTO_REALLOC: c_CRYPTO_realloc = OSSL_get_CRYPTO_realloc(in); break; case OSSL_FUNC_CRYPTO_CLEAR_REALLOC: c_CRYPTO_clear_realloc = OSSL_get_CRYPTO_clear_realloc(in); break; case OSSL_FUNC_CRYPTO_SECURE_MALLOC: c_CRYPTO_secure_malloc = OSSL_get_CRYPTO_secure_malloc(in); break; case OSSL_FUNC_CRYPTO_SECURE_ZALLOC: c_CRYPTO_secure_zalloc = OSSL_get_CRYPTO_secure_zalloc(in); break; case OSSL_FUNC_CRYPTO_SECURE_FREE: c_CRYPTO_secure_free = OSSL_get_CRYPTO_secure_free(in); break; case OSSL_FUNC_CRYPTO_SECURE_CLEAR_FREE: c_CRYPTO_secure_clear_free = OSSL_get_CRYPTO_secure_clear_free(in); break; case OSSL_FUNC_CRYPTO_SECURE_ALLOCATED: c_CRYPTO_secure_allocated = OSSL_get_CRYPTO_secure_allocated(in); break; case OSSL_FUNC_BIO_NEW_FILE: selftest_params.bio_new_file_cb = OSSL_get_BIO_new_file(in); break; case OSSL_FUNC_BIO_NEW_MEMBUF: selftest_params.bio_new_buffer_cb = OSSL_get_BIO_new_membuf(in); break; case OSSL_FUNC_BIO_READ_EX: selftest_params.bio_read_ex_cb = OSSL_get_BIO_read_ex(in); break; case OSSL_FUNC_BIO_FREE: selftest_params.bio_free_cb = OSSL_get_BIO_free(in); break; case OSSL_FUNC_BIO_VSNPRINTF: c_BIO_vsnprintf = OSSL_get_BIO_vsnprintf(in); break; case OSSL_FUNC_SELF_TEST_CB: { stcbfn = OSSL_get_self_test_cb(in); break; } default: /* Just ignore anything we don't understand */ break; } } if (stcbfn != NULL && c_get_libctx != NULL) { stcbfn(c_get_libctx(provider), &selftest_params.cb, &selftest_params.cb_arg); } else { selftest_params.cb = NULL; selftest_params.cb_arg = NULL; } if (!c_get_params(provider, core_params)) return 0; /* Create a context. */ if ((*provctx = PROV_CTX_new()) == NULL || (libctx = OPENSSL_CTX_new()) == NULL) { /* * We free libctx separately here and only here because it hasn't * been attached to *provctx. All other error paths below rely * solely on fips_teardown. */ OPENSSL_CTX_free(libctx); goto err; } PROV_CTX_set0_library_context(*provctx, libctx); PROV_CTX_set0_provider(*provctx, provider); if ((fgbl = openssl_ctx_get_data(libctx, OPENSSL_CTX_FIPS_PROV_INDEX, &fips_prov_ossl_ctx_method)) == NULL) goto err; fgbl->prov = provider; selftest_params.libctx = libctx; if (!SELF_TEST_post(&selftest_params, 0)) goto err; /* * TODO(3.0): Remove me. This is just a dummy call to demonstrate making * EVP calls from within the FIPS module. */ if (!dummy_evp_call(libctx)) goto err; *out = fips_dispatch_table; return 1; err: fips_teardown(*provctx); *provctx = NULL; return 0; } /* * The internal init function used when the FIPS module uses EVP to call * another algorithm also in the FIPS module. This is a recursive call that has * been made from within the FIPS module itself. To make this work, we populate * the provider context of this inner instance with the same library context * that was used in the EVP call that initiated this recursive call. */ OSSL_provider_init_fn fips_intern_provider_init; int fips_intern_provider_init(const OSSL_PROVIDER *provider, const OSSL_DISPATCH *in, const OSSL_DISPATCH **out, void **provctx) { OSSL_core_get_library_context_fn *c_get_libctx = NULL; for (; in->function_id != 0; in++) { switch (in->function_id) { case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT: c_get_libctx = OSSL_get_core_get_library_context(in); break; default: break; } } if (c_get_libctx == NULL) return 0; if ((*provctx = PROV_CTX_new()) == NULL) return 0; PROV_CTX_set0_library_context(*provctx, c_get_libctx(provider)); PROV_CTX_set0_provider(*provctx, provider); *out = intern_dispatch_table; return 1; } void ERR_new(void) { c_new_error(NULL); } void ERR_set_debug(const char *file, int line, const char *func) { c_set_error_debug(NULL, file, line, func); } void ERR_set_error(int lib, int reason, const char *fmt, ...) { va_list args; va_start(args, fmt); c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args); va_end(args); } void ERR_vset_error(int lib, int reason, const char *fmt, va_list args) { c_vset_error(NULL, ERR_PACK(lib, 0, reason), fmt, args); } int ERR_set_mark(void) { return c_set_error_mark(NULL); } int ERR_clear_last_mark(void) { return c_clear_last_error_mark(NULL); } int ERR_pop_to_mark(void) { return c_pop_error_to_mark(NULL); } /* * This must take a library context, since it's called from the depths * of crypto/initthread.c code, where it's (correctly) assumed that the * passed caller argument is an OPENSSL_CTX pointer (since the same routine * is also called from other parts of libcrypto, which all pass around a * OPENSSL_CTX pointer) */ const OSSL_PROVIDER *FIPS_get_provider(OPENSSL_CTX *libctx) { FIPS_GLOBAL *fgbl = openssl_ctx_get_data(libctx, OPENSSL_CTX_FIPS_PROV_INDEX, &fips_prov_ossl_ctx_method); if (fgbl == NULL) return NULL; return fgbl->prov; } void *CRYPTO_malloc(size_t num, const char *file, int line) { return c_CRYPTO_malloc(num, file, line); } void *CRYPTO_zalloc(size_t num, const char *file, int line) { return c_CRYPTO_zalloc(num, file, line); } void CRYPTO_free(void *ptr, const char *file, int line) { c_CRYPTO_free(ptr, file, line); } void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line) { c_CRYPTO_clear_free(ptr, num, file, line); } void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line) { return c_CRYPTO_realloc(addr, num, file, line); } void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num, const char *file, int line) { return c_CRYPTO_clear_realloc(addr, old_num, num, file, line); } void *CRYPTO_secure_malloc(size_t num, const char *file, int line) { return c_CRYPTO_secure_malloc(num, file, line); } void *CRYPTO_secure_zalloc(size_t num, const char *file, int line) { return c_CRYPTO_secure_zalloc(num, file, line); } void CRYPTO_secure_free(void *ptr, const char *file, int line) { c_CRYPTO_secure_free(ptr, file, line); } void CRYPTO_secure_clear_free(void *ptr, size_t num, const char *file, int line) { c_CRYPTO_secure_clear_free(ptr, num, file, line); } int CRYPTO_secure_allocated(const void *ptr) { return c_CRYPTO_secure_allocated(ptr); } int BIO_snprintf(char *buf, size_t n, const char *format, ...) { va_list args; int ret; va_start(args, format); ret = c_BIO_vsnprintf(buf, n, format, args); va_end(args); return ret; }