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openssl/providers/fips/fipsprov.c
Shane Lontis 62f49b90d7 Add DH key exchange to fips provider 
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10826)
2020-01-23 20:33:28 +10:00

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/*
* Copyright 2019 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 <string.h>
#include <stdio.h>
#include <openssl/core.h>
#include <openssl/core_numbers.h>
#include <openssl/core_names.h>
#include <openssl/params.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/kdf.h>
/* TODO(3.0): Needed for dummy_evp_call(). To be removed */
#include <openssl/sha.h>
#include <openssl/rand_drbg.h>
#include <openssl/ec.h>
#include <openssl/fips_names.h>
#include "internal/cryptlib.h"
#include "internal/property.h"
#include "internal/nelem.h"
#include "internal/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"
#define ALGC(NAMES, FUNC, CHECK) { { NAMES, "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;
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
};
/*
* Convert a string into a bignumber.
* The array of hex_data is used to get around compilers that dont like
* strings longer than 509 bytes,
*/
static int hextobn(const char *hex_data[], BIGNUM **bn)
{
int ret = 0;
int i, slen;
char *str = NULL;
/* Get the total length of the strings */
for (slen = 0, i = 0; hex_data[i] != NULL; ++i)
slen += strlen(hex_data[i]);
/* Add 1 for the string terminator */
str = OPENSSL_zalloc(slen + 1);
if (str == NULL)
return 0;
/* join the strings together into 1 buffer */
for (i = 0; hex_data[i] != NULL; ++i)
strcat(str, hex_data[i]);
if (BN_hex2bn(bn, str) <= 0)
goto err;
ret = 1;
err:
OPENSSL_free(str);
return ret;
}
static int hextobin(const char *hex_data[], unsigned char **out, size_t *len)
{
int ret = 0, sz;
BIGNUM *bn = NULL;
unsigned char *buf = NULL;
if (!hextobn(hex_data, &bn))
return 0;
sz = BN_num_bytes(bn);
buf = OPENSSL_zalloc(sz);
if (buf == NULL)
goto err;
if (BN_bn2binpad(bn, buf, sz) <= 0)
goto err;
*out = buf;
*len = sz;
buf = NULL; /* Set to NULL so it is not freed */
ret = 1;
err:
OPENSSL_free(buf);
BN_free(bn);
return ret;
}
#ifndef OPENSSL_NO_DSA
static int dsa_key_signature_test(OPENSSL_CTX *libctx)
{
int ret = 0;
BIGNUM *p = NULL, *q = NULL, *g = NULL;
BIGNUM *pub = NULL, *priv = NULL;
OSSL_PARAM *params = NULL, *params_sig = NULL;
OSSL_PARAM_BLD bld;
EVP_PKEY_CTX *sctx = NULL, *kctx = NULL;
EVP_PKEY *pkey = NULL;
unsigned char sig[64];
size_t siglen;
static const unsigned char dgst[SHA256_DIGEST_LENGTH] = {
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
};
/* dsa 2048 */
static const char *dsa_p_hex[] = {
"a29b8872ce8b8423b7d5d21d4b02f57e03e9e6b8a258dc16611ba098ab543415"
"e415f156997a3ee236658fa093260de3ad422e05e046f9ec29161a375f0eb4ef"
"fcef58285c5d39ed425d7a62ca12896c4a92cb1946f2952a48133f07da364d1b"
"df6b0f7139983e693c80059b0eacd1479ba9f2857754ede75f112b07ebbf3534",
"8bbf3e01e02f2d473de39453f99dd2367541caca3ba01166343d7b5b58a37bd1"
"b7521db2f13b86707132fe09f4cd09dc1618fa3401ebf9cc7b19fa94aa472088"
"133d6cb2d35c1179c8c8ff368758d507d9f9a17d46c110fe3144ce9b022b42e4"
"19eb4f5388613bfc3e26241a432e8706bc58ef76117278deab6cf692618291b7",
NULL
};
static const char *dsa_q_hex[] = {
"a3bfd9ab7884794e383450d5891dc18b65157bdcfcdac51518902867",
NULL
};
static const char *dsa_g_hex[] = {
"6819278869c7fd3d2d7b77f77e8150d9ad433bea3ba85efc80415aa3545f78f7"
"2296f06cb19ceda06c94b0551cfe6e6f863e31d1de6eed7dab8b0c9df231e084"
"34d1184f91d033696bb382f8455e9888f5d31d4784ec40120246f4bea61794bb"
"a5866f09746463bdf8e9e108cd9529c3d0f6df80316e2e70aaeb1b26cdb8ad97",
"bc3d287e0b8d616c42e65b87db20deb7005bc416747a6470147a68a7820388eb"
"f44d52e0628af9cf1b7166d03465f35acc31b6110c43dabc7c5d591e671eaf7c"
"252c1c145336a1a4ddf13244d55e835680cab2533b82df2efe55ec18c1e6cd00"
"7bb089758bb17c2cbe14441bd093ae66e5976d53733f4fa3269701d31d23d467",
NULL
};
static const char *dsa_pub_hex[] = {
"a012b3b170b307227957b7ca2061a816ac7a2b3d9ae995a5119c385b603bf6f6"
"c5de4dc5ecb5dfa4a41c68662eb25b638b7e2620ba898d07da6c4991e76cc0ec"
"d1ad3421077067e47c18f58a92a72ad43199ecb7bd84e7d3afb9019f0e9dd0fb"
"aa487300b13081e33c902876436f7b03c345528481d362815e24fe59dac5ac34",
"660d4c8a76cb99a7c7de93eb956cd6bc88e58d901034944a094b01803a43c672"
"b9688c0e01d8f4fc91c62a3f88021f7bd6a651b1a88f43aa4ef27653d12bf8b7"
"099fdf6b461082f8e939107bfd2f7210087d326c375200f1f51e7e74a3413190"
"1bcd0863521ff8d676c48581868736c5e51b16a4e39215ea0b17c4735974c516",
NULL
};
static const char *dsa_priv_hex[] = {
"6ccaeef6d73b4e80f11c17b8e9627c036635bac39423505e407e5cb7",
NULL
};
if (!hextobn(dsa_p_hex, &p)
|| !hextobn(dsa_q_hex, &q)
|| !hextobn(dsa_g_hex, &g)
|| !hextobn(dsa_pub_hex, &pub)
|| !hextobn(dsa_priv_hex, &priv))
goto err;
ossl_param_bld_init(&bld);
if (!ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_P, p)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_Q, q)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_G, g)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_DSA_PUB_KEY, pub)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_DSA_PRIV_KEY, priv))
goto err;
params = ossl_param_bld_to_param(&bld);
/* Create a EVP_PKEY_CTX to load the DSA key into */
kctx = EVP_PKEY_CTX_new_from_name(libctx, SN_dsa, "");
if (kctx == NULL || params == NULL)
goto err;
if (EVP_PKEY_key_fromdata_init(kctx) <= 0
|| EVP_PKEY_fromdata(kctx, &pkey, params) <= 0)
goto err;
/* Create a EVP_PKEY_CTX to use for the signing operation */
sctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey);
if (sctx == NULL
|| EVP_PKEY_sign_init(sctx) <= 0)
goto err;
/* set signature parameters */
ossl_param_bld_init(&bld);
if (!ossl_param_bld_push_utf8_string(&bld, OSSL_SIGNATURE_PARAM_DIGEST,
SN_sha256,strlen(SN_sha256) + 1)
|| !ossl_param_bld_push_size_t(&bld, OSSL_SIGNATURE_PARAM_DIGEST_SIZE,
SHA256_DIGEST_LENGTH))
goto err;
params_sig = ossl_param_bld_to_param(&bld);
if (EVP_PKEY_CTX_set_params(sctx, params_sig) <= 0)
goto err;
if (EVP_PKEY_sign(sctx, sig, &siglen, dgst, sizeof(dgst)) <= 0
|| EVP_PKEY_verify_init(sctx) <= 0
|| EVP_PKEY_verify(sctx, sig, siglen, dgst, sizeof(dgst)) <= 0)
goto err;
ret = 1;
err:
ossl_param_bld_free(params);
ossl_param_bld_free(params_sig);
BN_free(p);
BN_free(q);
BN_free(g);
BN_free(pub);
BN_free(priv);
EVP_PKEY_free(pkey);
EVP_PKEY_CTX_free(kctx);
EVP_PKEY_CTX_free(sctx);
return ret;
}
#endif /* OPENSSL_NO_DSA */
#ifndef OPENSSL_NO_DH
static int dh_key_exchange_test(OPENSSL_CTX *libctx)
{
int ret = 0;
BIGNUM *p = NULL, *q = NULL, *g = NULL;
BIGNUM *pub = NULL, *priv = NULL, *pub_peer = NULL;
unsigned char *kat_secret = NULL;
EVP_PKEY_CTX *kactx = NULL, *dctx = NULL;
EVP_PKEY *pkey = NULL, *peerkey = NULL;
OSSL_PARAM *params = NULL;
OSSL_PARAM *params_peer = NULL;
unsigned char secret[256];
size_t secret_len, kat_secret_len = 0;
OSSL_PARAM_BLD bld;
/* DH KAT */
static const char *dh_p_hex[] = {
"dcca1511b2313225f52116e1542789e001f0425bccc7f366f7406407f1c9fa8b"
"e610f1778bb170be39dbb76f85bf24ce6880adb7629f7c6d015e61d43fa3ee4d"
"e185f2cfd041ffde9d418407e15138bb021daeb35f762d1782acc658d32bd4b0"
"232c927dd38fa097b3d1859fa8acafb98f066608fc644ec7ddb6f08599f92ac1",
"b59825da8432077def695646063c20823c9507ab6f0176d4730d990dbbe6361c"
"d8b2b94d3d2f329b82099bd661f42950f403df3ede62a33188b02798ba823f44"
"b946fe9df677a0c5a1238eaa97b70f80da8cac88e092b1127060ffbf45579994"
"011dc2faa5e7f6c76245e1cc312231c17d1ca6b19007ef0db99f9cb60e1d5f69",
NULL
};
static const char *dh_q_hex[] = {
"898b226717ef039e603e82e5c7afe48374ac5f625c54f1ea11acb57d",
NULL
};
static const char *dh_g_hex[] = {
"5ef7b88f2df60139351dfbfe1266805fdf356cdfd13a4da0050c7ede"
"246df59f6abf96ade5f2b28ffe88d6bce7f7894a3d535fc82126ddd4"
"24872e16b838df8c51e9016f889c7c203e98a8b631f9c72563d38a49"
"589a0753d358e783318cefd9677c7b2dbb77d6dce2a1963795ca64b9",
"2d1c9aac6d0e8d431de5e50060dff78689c9eca1c1248c16ed09c7ad",
"412a17406d2b525aa1cabb237b9734ec7b8ce3fae02f29c5efed30d6"
"9187da109c2c9fe2aadbb0c22af54c616655000c431c6b4a379763b0"
"a91658efc84e8b06358c8b4f213710fd10172cf39b830c2dd84a0c8a"
"b82516ecab995fa4215e023e4ecf8074c39d6c88b70d1ee4e96fdc20",
"ea115c32",
NULL
};
static const char *dh_priv_hex[] = {
"1433e0b5a917b60a3023f2f8aa2c2d70d2968aba9aeac81540b8fce6",
NULL
};
static const char *dh_pub_hex[] = {
"95dd338d29e5710492b918317b72a36936e1951a2ee5a5591699c048"
"6d0d4f9bdd6d5a3f6b98890c62b37652d36e712111e68a7355372506"
"99efe330537391fbc2c548bc5ac3e5b23386c3eef5eb43c099d70a52"
"02687e83964248fca91f40908e8fb3319315f6d2606d7f7cd52cc6e7",
"c5843afb22519cf0f0f9d3a0a4e8c88899efede7364351fb6a363ee7"
"17e5445adab4c931a6483997b87dad83677e4d1d3a7775e0f6d00fdf"
"73c7ad801e665a0e5a796d0a0380a19fa182efc8a04f5e4db90d1a86"
"37f95db16436bdc8f3fc096c4ff7f234be8fef479ac4b0dc4b77263e",
"07d9959de0f1bf3f0ae3d9d50e4b89c99e3ea1217343dd8c6581acc4"
"959c91d3",
NULL
};
static const char *dh_peer_pub_hex[] = {
"1fc1da341d1a846a96b7be24340f877dd010aa0356d5ad58aae9c7b0"
"8f749a32235110b5d88eb5dbfa978d27ecc530f02d3114005b64b1c0"
"e024cb8ae21698bca9e60d42808622f181c56e1de7a96e6efee9d665"
"67e91b977042c7e3d0448f05fb77f522b9bfc8d33cc3c31ed3b31f0f",
"ecb6db4f6ea311e77afdbcd47aee1bb150f216873578fb96468e8f9f"
"3de8efbfce75624b1df05322a34f1463e839e8984c4ad0a96e1ac842"
"e5318cc23c062a8ca171b8d575980dde7fc56f1536523820d43192bf"
"d51e8e228978aca5b94472f339caeb9931b42be301268bc99789c9b2",
"5571c3c0e4cb3f007f1a511cbb53c8519cdd1302abca6c0f34f96739"
"f17ff48b",
NULL
};
static const char *dh_secret_exptd_hex[] = {
"08ff33bb2ecff49a7d4a7912aeb1bb6ab511641b4a76770c8cc1bcc2"
"33343dfe700d11813d2c9ed23b211ca9e8786921edca283c68b16153"
"fa01e91ab82c90ddab4a95816770a98710e14c92ab83b6e46e1e426e"
"e852430d6187daa3720a6bcd73235c6b0f941f3364f50420551a4bfe",
"afe2bc438505a59a4a40daca7a895a73db575c74c13a23ad8832957d"
"582d38f0a6165fb0d7e9b8799e42fd3220e332e98185a0c9429757b2"
"d0d02c17dbaa1ff6ed93d7e73e241eaed90caf394d2bc6570f18c81f"
"2be5d01a2ca99ff142b5d963f9f500325e7556f95849b3ffc7479486",
"be1d4596a3106bd5cb4f61c57ec5f100fb7a0c82a10b82526a97d1d9"
"7d98eaf6",
NULL
};
if (!hextobn(dh_p_hex, &p)
|| !hextobn(dh_q_hex, &q)
|| !hextobn(dh_g_hex, &g)
|| !hextobn(dh_pub_hex, &pub)
|| !hextobn(dh_priv_hex, &priv)
|| !hextobn(dh_peer_pub_hex, &pub_peer)
|| !hextobin(dh_secret_exptd_hex, &kat_secret, &kat_secret_len))
goto err;
ossl_param_bld_init(&bld);
if (!ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_P, p)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_Q, q)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_G, g)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_DH_PUB_KEY, pub)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_DH_PRIV_KEY, priv))
goto err;
params = ossl_param_bld_to_param(&bld);
ossl_param_bld_init(&bld);
if (!ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_P, p)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_Q, q)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_FFC_G, g)
|| !ossl_param_bld_push_BN(&bld, OSSL_PKEY_PARAM_DH_PUB_KEY, pub_peer))
goto err;
params_peer = ossl_param_bld_to_param(&bld);
if (params == NULL || params_peer == NULL)
goto err;
/* Create a EVP_PKEY_CTX to load the DH keys into */
kactx = EVP_PKEY_CTX_new_from_name(libctx, "DH", "");
if (kactx == NULL)
goto err;
if (EVP_PKEY_key_fromdata_init(kactx) <= 0
|| EVP_PKEY_fromdata(kactx, &pkey, params) <= 0)
goto err;
if (EVP_PKEY_key_fromdata_init(kactx) <= 0
|| EVP_PKEY_fromdata(kactx, &peerkey, params_peer) <= 0)
goto err;
/* Create a EVP_PKEY_CTX to perform key derivation */
dctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey);
if (dctx == NULL)
goto err;
if (EVP_PKEY_derive_init(dctx) <= 0
|| EVP_PKEY_derive_set_peer(dctx, peerkey) <= 0
|| EVP_PKEY_derive(dctx, secret, &secret_len) <= 0)
goto err;
if (secret_len != kat_secret_len
|| memcmp(secret, kat_secret, secret_len) != 0)
goto err;
ret = 1;
err:
ossl_param_bld_free(params_peer);
ossl_param_bld_free(params);
BN_free(p);
BN_free(q);
BN_free(g);
BN_free(pub);
BN_free(priv);
BN_free(pub_peer);
OPENSSL_free(kat_secret);
EVP_PKEY_free(pkey);
EVP_PKEY_free(peerkey);
EVP_PKEY_CTX_free(kactx);
EVP_PKEY_CTX_free(dctx);
return ret;
}
#endif /* OPENSSL_NO_DH */
/* TODO(3.0): To be removed */
static int dummy_evp_call(void *provctx)
{
OPENSSL_CTX *libctx = PROV_LIBRARY_CONTEXT_OF(provctx);
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
#ifndef OPENSSL_NO_DSA
if (!dsa_key_signature_test(libctx))
goto err;
#endif
#ifndef OPENSSL_NO_DH
if (!dh_key_exchange_test(libctx))
goto err;
#endif /* OPENSSL_NO_DH */
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(const OSSL_PROVIDER *prov)
{
return fips_param_types;
}
static int fips_get_params(const OSSL_PROVIDER *prov, 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_MODE 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", "fips=yes", sha1_functions },
{ "SHA2-224:SHA-224:SHA224", "fips=yes", sha224_functions },
{ "SHA2-256:SHA-256:SHA256", "fips=yes", sha256_functions },
{ "SHA2-384:SHA-384:SHA384", "fips=yes", sha384_functions },
{ "SHA2-512:SHA-512:SHA512", "fips=yes", sha512_functions },
{ "SHA2-512/224:SHA-512/224:SHA512-224", "fips=yes",
sha512_224_functions },
{ "SHA2-512/256:SHA-512/256:SHA512-256", "fips=yes",
sha512_256_functions },
/* We agree with NIST here, so one name only */
{ "SHA3-224", "fips=yes", sha3_224_functions },
{ "SHA3-256", "fips=yes", sha3_256_functions },
{ "SHA3-384", "fips=yes", sha3_384_functions },
{ "SHA3-512", "fips=yes", sha3_512_functions },
/*
* KECCAK-KMAC-128 and KECCAK-KMAC-256 as hashes are mostly useful for
* KMAC128 and KMAC256.
*/
{ "KECCAK-KMAC-128:KECCAK-KMAC128", "fips=yes", keccak_kmac_128_functions },
{ "KECCAK-KMAC-256:KECCAK-KMAC256", "fips=yes", keccak_kmac_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[] = {
#ifndef OPENSSL_NO_CMAC
{ "CMAC", "fips=yes", cmac_functions },
#endif
{ "GMAC", "fips=yes", gmac_functions },
{ "HMAC", "fips=yes", hmac_functions },
{ "KMAC-128:KMAC128", "fips=yes", kmac128_functions },
{ "KMAC-256:KMAC256", "fips=yes", kmac256_functions },
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM fips_kdfs[] = {
{ "HKDF", "fips=yes", kdf_hkdf_functions },
{ "SSKDF", "fips=yes", kdf_sskdf_functions },
{ "PBKDF2", "fips=yes", kdf_pbkdf2_functions },
{ "TLS1-PRF", "fips=yes", kdf_tls1_prf_functions },
{ "KBKDF", "fips=yes", kdf_kbkdf_functions },
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM fips_keyexch[] = {
#ifndef OPENSSL_NO_DH
{ "DH:dhKeyAgreement", "fips=yes", dh_keyexch_functions },
#endif
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM fips_signature[] = {
#ifndef OPENSSL_NO_DSA
{ "DSA:dsaEncryption", "fips=yes", dsa_signature_functions },
#endif
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM fips_keymgmt[] = {
#ifndef OPENSSL_NO_DH
{ "DH:dhKeyAgreement", "fips=yes", dh_keymgmt_functions },
#endif
#ifndef OPENSSL_NO_DSA
{ "DSA", "fips=yes", dsa_keymgmt_functions },
#endif
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM *fips_query(OSSL_PROVIDER *prov,
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;
}
return NULL;
}
/* Functions we provide to the core */
static const OSSL_DISPATCH fips_dispatch_table[] = {
/*
* To release our resources we just need to free the OPENSSL_CTX so we just
* use OPENSSL_CTX_free directly as our teardown function
*/
{ OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))OPENSSL_CTX_free },
{ 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_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 *ctx;
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_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.event_cb,
&selftest_params.event_cb_arg);
}
else {
selftest_params.event_cb = NULL;
selftest_params.event_cb_arg = NULL;
}
if (!c_get_params(provider, core_params))
return 0;
/* Create a context. */
if ((ctx = OPENSSL_CTX_new()) == NULL)
return 0;
if ((fgbl = openssl_ctx_get_data(ctx, OPENSSL_CTX_FIPS_PROV_INDEX,
&fips_prov_ossl_ctx_method)) == NULL) {
OPENSSL_CTX_free(ctx);
return 0;
}
fgbl->prov = provider;
selftest_params.libctx = PROV_LIBRARY_CONTEXT_OF(ctx);
if (!SELF_TEST_post(&selftest_params, 0)) {
OPENSSL_CTX_free(ctx);
return 0;
}
/*
* 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(ctx)) {
OPENSSL_CTX_free(ctx);
return 0;
}
*out = fips_dispatch_table;
*provctx = ctx;
return 1;
}
/*
* 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;
*provctx = c_get_libctx(provider);
/*
* Safety measure... we should get the library context that was
* created up in OSSL_provider_init().
*/
if (*provctx == NULL)
return 0;
*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);
}
const OSSL_PROVIDER *FIPS_get_provider(OPENSSL_CTX *ctx)
{
FIPS_GLOBAL *fgbl = openssl_ctx_get_data(ctx, 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);
}
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