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/* ====================================================================
* Copyright (c) 2011 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define OPENSSL_FIPSAPI
#include <openssl/crypto.h>
#include <openssl/rand.h>
#include <openssl/fips_rand.h>
#include <openssl/err.h>
#include <openssl/bio.h>
#include <openssl/hmac.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>
#include <openssl/ecdsa.h>
#include <string.h>
#include <limits.h>
#ifdef OPENSSL_FIPS
/* Power on self test (POST) support functions */
#include <openssl/fips.h>
#include "fips_locl.h"
/* POST notification callback */
int (*fips_post_cb)(int op, int id, int subid, void *ex);
void FIPS_post_set_callback(
int (*post_cb)(int op, int id, int subid, void *ex))
{
fips_post_cb = post_cb;
}
/* POST status: i.e. status of all tests */
#define FIPS_POST_STATUS_NOT_STARTED 0
#define FIPS_POST_STATUS_OK 1
#define FIPS_POST_STATUS_RUNNING 2
#define FIPS_POST_STATUS_FAILED -1
static int post_status = 0;
/* Set to 1 if any test failed */
static int post_failure = 0;
/* All tests started */
int fips_post_begin(void)
{
post_failure = 0;
post_status = FIPS_POST_STATUS_NOT_STARTED;
if (fips_post_cb)
if (!fips_post_cb(FIPS_POST_BEGIN, 0, 0, NULL))
return 0;
post_status = FIPS_POST_STATUS_RUNNING;
return 1;
}
void fips_post_end(void)
{
if (post_failure)
{
post_status = FIPS_POST_STATUS_FAILED;
if(fips_post_cb)
fips_post_cb(FIPS_POST_END, 0, 0, NULL);
}
else
{
post_status = FIPS_POST_STATUS_OK;
if (fips_post_cb)
fips_post_cb(FIPS_POST_END, 1, 0, NULL);
}
}
/* A self test started */
int fips_post_started(int id, int subid, void *ex)
{
if (fips_post_cb)
return fips_post_cb(FIPS_POST_STARTED, id, subid, ex);
return 1;
}
/* A self test passed successfully */
int fips_post_success(int id, int subid, void *ex)
{
if (fips_post_cb)
return fips_post_cb(FIPS_POST_SUCCESS, id, subid, ex);
return 1;
}
/* A self test failed */
int fips_post_failed(int id, int subid, void *ex)
{
post_failure = 1;
if (fips_post_cb)
return fips_post_cb(FIPS_POST_FAIL, id, subid, ex);
return 1;
}
/* Indicate if a self test failure should be induced */
int fips_post_corrupt(int id, int subid, void *ex)
{
if (fips_post_cb)
return fips_post_cb(FIPS_POST_CORRUPT, id, subid, ex);
return 1;
}
/* Note: if selftests running return status OK so their operation is
* not interrupted. This will only happen while selftests are actually
* running so will not interfere with normal operation.
*/
int fips_post_status(void)
{
return post_status > 0 ? 1 : 0;
}
/* Run all selftests */
int FIPS_selftest(void)
{
int rv = 1;
fips_post_begin();
if(!FIPS_check_incore_fingerprint())
rv = 0;
if (!FIPS_selftest_drbg())
rv = 0;
if (!FIPS_selftest_x931())
rv = 0;
if (!FIPS_selftest_sha1())
rv = 0;
if (!FIPS_selftest_hmac())
rv = 0;
if (!FIPS_selftest_cmac())
rv = 0;
if (!FIPS_selftest_aes())
rv = 0;
if (!FIPS_selftest_aes_ccm())
rv = 0;
if (!FIPS_selftest_aes_gcm())
rv = 0;
if (!FIPS_selftest_aes_xts())
rv = 0;
if (!FIPS_selftest_des())
rv = 0;
if (!FIPS_selftest_rsa())
rv = 0;
if (!FIPS_selftest_ecdsa())
rv = 0;
if (!FIPS_selftest_dsa())
rv = 0;
if (!FIPS_selftest_ecdh())
rv = 0;
fips_post_end();
return rv;
}
/* Generalized public key test routine. Signs and verifies the data
* supplied in tbs using mesage digest md and setting RSA padding mode
* pad_mode. If the 'kat' parameter is not NULL it will
* additionally check the signature matches it: a known answer test
* The string "fail_str" is used for identification purposes in case
* of failure. If "pkey" is NULL just perform a message digest check.
*/
int fips_pkey_signature_test(int id, EVP_PKEY *pkey,
const unsigned char *tbs, size_t tbslen,
const unsigned char *kat, size_t katlen,
const EVP_MD *digest, int pad_mode,
const char *fail_str)
{
int subid;
int ret = 0;
unsigned char *sig = NULL;
unsigned int siglen;
__fips_constseg
static const unsigned char str1[]="12345678901234567890";
DSA_SIG *dsig = NULL;
ECDSA_SIG *esig = NULL;
EVP_MD_CTX mctx;
FIPS_md_ctx_init(&mctx);
if (tbs == NULL)
tbs = str1;
if (tbslen == 0)
tbslen = strlen((char *)tbs);
if (digest == NULL)
digest = EVP_sha256();
subid = M_EVP_MD_type(digest);
if (!fips_post_started(id, subid, pkey))
return 1;
if (!pkey || pkey->type == EVP_PKEY_RSA)
{
size_t sigsize;
if (!pkey)
sigsize = EVP_MAX_MD_SIZE;
else
sigsize = RSA_size(pkey->pkey.rsa);
sig = OPENSSL_malloc(sigsize);
if (!sig)
{
FIPSerr(FIPS_F_FIPS_PKEY_SIGNATURE_TEST,ERR_R_MALLOC_FAILURE);
goto error;
}
}
if (!FIPS_digestinit(&mctx, digest))
goto error;
if (!FIPS_digestupdate(&mctx, tbs, tbslen))
goto error;
if (!fips_post_corrupt(id, subid, pkey))
{
if (!FIPS_digestupdate(&mctx, tbs, 1))
goto error;
}
if (pkey == NULL)
{
if (!FIPS_digestfinal(&mctx, sig, &siglen))
goto error;
}
else if (pkey->type == EVP_PKEY_RSA)
{
if (!FIPS_rsa_sign_ctx(pkey->pkey.rsa, &mctx,
pad_mode, 0, NULL, sig, &siglen))
goto error;
}
else if (pkey->type == EVP_PKEY_DSA)
{
dsig = FIPS_dsa_sign_ctx(pkey->pkey.dsa, &mctx);
if (!dsig)
goto error;
}
else if (pkey->type == EVP_PKEY_EC)
{
esig = FIPS_ecdsa_sign_ctx(pkey->pkey.ec, &mctx);
if (!esig)
goto error;
}
if (kat && ((siglen != katlen) || memcmp(kat, sig, katlen)))
goto error;
#if 0
{
/* Debug code to print out self test KAT discrepancies */
unsigned int i;
fprintf(stderr, "%s=", fail_str);
for (i = 0; i < siglen; i++)
fprintf(stderr, "%02X", sig[i]);
fprintf(stderr, "\n");
goto error;
}
#endif
/* If just digest test we've finished */
if
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