/* fips/ecdh/fips_ecdh_selftest.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2011.
*/
/* ====================================================================
* 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
* licensing@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 <string.h>
#include <openssl/crypto.h>
#include <openssl/ec.h>
#include <openssl/ecdh.h>
#include <openssl/fips.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/bn.h>
#ifdef OPENSSL_FIPS
# include "fips_locl.h"
static const unsigned char p256_qcavsx[] = {
0x52, 0xc6, 0xa5, 0x75, 0xf3, 0x04, 0x98, 0xb3, 0x29, 0x66, 0x0c, 0x62,
0x18, 0x60, 0x55, 0x41, 0x59, 0xd4, 0x60, 0x85, 0x99, 0xc1, 0x51, 0x13,
0x6f, 0x97, 0x85, 0x93, 0x33, 0x34, 0x07, 0x50
};
static const unsigned char p256_qcavsy[] = {
0x6f, 0x69, 0x24, 0xeb, 0xe9, 0x3b, 0xa7, 0xcc, 0x47, 0x17, 0xaa, 0x3f,
0x70, 0xfc, 0x10, 0x73, 0x0a, 0xcd, 0x21, 0xee, 0x29, 0x19, 0x1f, 0xaf,
0xb4, 0x1c, 0x1e, 0xc2, 0x8e, 0x97, 0x81, 0x6e
};
static const unsigned char p256_qiutx[] = {
0x71, 0x46, 0x88, 0x08, 0x92, 0x21, 0x1b, 0x10, 0x21, 0x74, 0xff, 0x0c,
0x94, 0xde, 0x34, 0x7c, 0x86, 0x74, 0xbe, 0x67, 0x41, 0x68, 0xd4, 0xc1,
0xe5, 0x75, 0x63, 0x9c, 0xa7, 0x46, 0x93, 0x6f
};
static const unsigned char p256_qiuty[] = {
0x33, 0x40, 0xa9, 0x6a, 0xf5, 0x20, 0xb5, 0x9e, 0xfc, 0x60, 0x1a, 0xae,
0x3d, 0xf8, 0x21, 0xd2, 0xa7, 0xca, 0x52, 0x34, 0xb9, 0x5f, 0x27, 0x75,
0x6c, 0x81, 0xbe, 0x32, 0x4d, 0xba, 0xbb, 0xf8
};
static const unsigned char p256_qiutd[] = {
0x1a, 0x48, 0x55, 0x6b, 0x11, 0xbe, 0x92, 0xd4, 0x1c, 0xd7, 0x45, 0xc3,
0x82, 0x81, 0x51, 0xf1, 0x23, 0x40, 0xb7, 0x83, 0xfd, 0x01, 0x6d, 0xbc,
0xa1, 0x66, 0xaf, 0x0a, 0x03, 0x23, 0xcd, 0xc8
};
static const unsigned char p256_ziut[] = {
0x77, 0x2a, 0x1e, 0x37, 0xee, 0xe6, 0x51, 0x02, 0x71, 0x40, 0xf8, 0x6a,
0x36, 0xf8, 0x65, 0x61, 0x2b, 0x18, 0x71, 0x82, 0x23, 0xe6, 0xf2, 0x77,
0xce, 0xec, 0xb8, 0x49, 0xc7, 0xbf, 0x36, 0x4f
};
typedef struct {
int curve;
const unsigned char *x1;
size_t x1len;
const unsigned char *y1;
size_t y1len;
const unsigned char *d1;
size_t d1len;
const unsigned char *x2;
size_t x2len;
const unsigned char *y2;
size_t y2len;
const unsigned char *z;
size_t zlen;
} ECDH_SELFTEST_DATA;
# define make_ecdh_test(nid, pr) { nid, \
pr##_qiutx, sizeof(pr##_qiutx), \
pr##_qiuty, sizeof(pr##_qiuty), \
pr##_qiutd, sizeof(pr##_qiutd), \
pr##_qcavsx, sizeof(pr##_qcavsx), \
pr##_qcavsy, sizeof(pr##_qcavsy), \
pr##_ziut, sizeof(pr##_ziut) }
static ECDH_SELFTEST_DATA test_ecdh_data[] = {
make_ecdh_test(NID_X9_62_prime256v1, p256),
};
int FIPS_selftest_ecdh(void)
{
EC_KEY *ec1 = NULL, *ec2 = NULL;
const EC_POINT *ecp = NULL;
BIGNUM *x = NULL, *y = NULL, *d = NULL;
unsigned char *ztmp = NULL;
int rv = 1;
size_t i;
for (i = 0; i < sizeof(test_ecdh_data) / sizeof(ECDH_SELFTEST_DATA); i++) {
ECDH_SELFTEST_DATA *ecd = test_ecdh_data + i;
if (!fips_post_started(FIPS_TEST_ECDH, ecd->curve, 0))
continue;
ztmp = OPENSSL_malloc(ecd->zlen);
x = BN_bin2bn(ecd->x1, ecd->x1len, x);
y = BN_bin2bn(ecd->y1, ecd->y1len, y);
d = BN_bin2bn(ecd->d1, ecd->d1len, d);
if (!x || !y || !d || !ztmp) {
rv = 0;
goto err;
}
ec1 = EC_KEY_new_by_curve_name(ecd->curve);
if (!ec1) {
rv = 0;
goto err;
}
EC_KEY_set_flags(ec1, EC_FLAG_COFACTOR_ECDH);
if (!EC_KEY_set_public_key_affine_coordinates(ec1, x, y)) {
rv = 0;
goto err;
}
if (!EC_KEY_set_private_key(ec1, d)) {
rv = 0;
goto err;
}
x = BN_bin2bn(ecd->x2, ecd->x2len, x);
y = BN_bin2bn(ecd->y2, ecd->y2len, y);
if (!x || !y) {
rv = 0;
goto err;
}
ec2 = EC_KEY_new_by_curve_name(ecd->curve);
if (!ec2) {
rv = 0;
goto err;
}
EC_KEY_set_flags(ec1, EC_FLAG_COFACTOR_ECDH);
if (!EC_KEY_set_public_key_affine_coordinates(ec2, x, y)) {
rv = 0;
goto err;
}
ecp = EC_KEY_get0_public_key(ec2);
if (!ecp) {
rv = 0;
goto err;
}
if (!ECDH_compute_key(ztmp, ecd->zlen, ecp, ec1, 0)) {
rv = 0;
goto err;
}
if (!fips_post_corrupt(FIPS_TEST_ECDH, ecd->curve, NULL))
ztmp[0] ^= 0x1;
if (memcmp(ztmp, ecd->z, ecd->zlen)) {
fips_post_failed(FIPS_TEST_ECDH, ecd->curve, 0);
rv = 0;
} else if (!fips_post_success(FIPS_TEST_ECDH, ecd->curve, 0))
goto err;
EC_KEY_free(ec1);
ec1 = NULL;
EC_KEY_free(ec2);
ec2 = NULL;
OPENSSL_free(ztmp);
ztmp = NULL;
}
err:
if (x)
BN_clear_free(x);
if (y)
BN_clear_free(y);
if (d)
BN_clear_free(d);
if (ec1)
EC_KEY_free(ec1);
if (ec2)
EC_KEY_free(ec2);
if (ztmp)
OPENSSL_free(ztmp);
return rv;
}
#endif