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openssl/providers/fips/fipsprov.c
Shane Lontis 3bfe9005e5 Add aes_ccm to provider 
Add Cleanups for gcm - based on the changes to ccm.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Patrick Steuer <patrick.steuer@de.ibm.com>
(Merged from https://github.com/openssl/openssl/pull/9280)
2019-08-20 08:54:41 +10:00

612 lines
19 KiB
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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>
/* 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/evp_int.h"
#include "internal/provider_algs.h"
#include "internal/provider_ctx.h"
#include "internal/providercommon.h"
#include "selftest.h"
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_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
};
/* 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);
char msg[] = "Hello World!";
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
};
unsigned int dgstlen = 0;
unsigned char dgst[SHA256_DIGEST_LENGTH];
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
if (ctx == NULL || sha256 == NULL || drbg == 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_MD_CTX_free(ctx);
EVP_MD_meth_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 "SHA224";
case NID_sha224:
return "SHA224";
case NID_sha256:
return "SHA256";
case NID_sha384:
return "SHA384";
case NID_sha512:
return "SHA512";
case NID_sha512_224:
return "SHA512-224";
case NID_sha512_256:
return "SHA512-256";
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";
/* TODO(3.0) Change these when we have aliases */
case NID_aes_256_gcm:
return "id-aes256-GCM";
case NID_aes_192_gcm:
return "id-aes192-GCM";
case NID_aes_128_gcm:
return "id-aes128-GCM";
case NID_aes_256_ccm:
return "id-aes256-CCM";
case NID_aes_192_ccm:
return "id-aes192-CCM";
case NID_aes_128_ccm:
return "id-aes128-CCM";
default:
break;
}
return NULL;
}
static const OSSL_ALGORITHM fips_digests[] = {
{ "SHA1", "fips=yes", sha1_functions },
{ "SHA224", "fips=yes", sha224_functions },
{ "SHA256", "fips=yes", sha256_functions },
{ "SHA384", "fips=yes", sha384_functions },
{ "SHA512", "fips=yes", sha512_functions },
{ "SHA512-224", "fips=yes", sha512_224_functions },
{ "SHA512-256", "fips=yes", sha512_256_functions },
{ "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_KMAC128 and KECCAK_KMAC256 as hashes are mostly useful for
* the KMAC128 and KMAC256.
*/
{ "KECCAK_KMAC128", "fips=yes", keccak_kmac_128_functions },
{ "KECCAK_KMAC256", "fips=yes", keccak_kmac_256_functions },
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM fips_ciphers[] = {
{ "AES-256-ECB", "fips=yes", aes256ecb_functions },
{ "AES-192-ECB", "fips=yes", aes192ecb_functions },
{ "AES-128-ECB", "fips=yes", aes128ecb_functions },
{ "AES-256-CBC", "fips=yes", aes256cbc_functions },
{ "AES-192-CBC", "fips=yes", aes192cbc_functions },
{ "AES-128-CBC", "fips=yes", aes128cbc_functions },
{ "AES-256-CTR", "fips=yes", aes256ctr_functions },
{ "AES-192-CTR", "fips=yes", aes192ctr_functions },
{ "AES-128-CTR", "fips=yes", aes128ctr_functions },
/* TODO(3.0) Add aliases for these ciphers */
{ "id-aes256-GCM", "fips=yes", aes256gcm_functions },
{ "id-aes192-GCM", "fips=yes", aes192gcm_functions },
{ "id-aes128-GCM", "fips=yes", aes128gcm_functions },
{ "id-aes256-CCM", "fips=yes", aes256ccm_functions },
{ "id-aes192-CCM", "fips=yes", aes192ccm_functions },
{ "id-aes128-CCM", "fips=yes", aes128ccm_functions },
{ NULL, NULL, NULL }
};
static const OSSL_ALGORITHM fips_macs[] = {
{ "CMAC", "fips=yes", cmac_functions },
{ "GMAC", "fips=yes", gmac_functions },
{ "HMAC", "fips=yes", hmac_functions },
{ "KMAC128", "fips=yes", kmac128_functions },
{ "KMAC256", "fips=yes", kmac256_functions },
{ 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:
return fips_ciphers;
case OSSL_OP_MAC:
return fips_macs;
}
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;
for (; in->function_id != 0; in++) {
switch (in->function_id) {
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_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:
selftest_params.bio_read_cb = OSSL_get_BIO_read(in);
break;
case OSSL_FUNC_BIO_FREE:
selftest_params.bio_free_cb = OSSL_get_BIO_free(in);
break;
default:
/* Just ignore anything we don't understand */
break;
}
}
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;
*out = fips_dispatch_table;
*provctx = ctx;
/*
* 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(*provctx)) {
OPENSSL_CTX_free(*provctx);
*provctx = NULL;
return 0;
}
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);
}
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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