/* fips/ecdsa/fips_ecdsa_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/ecdsa.h>

#include <openssl/fips.h>

#include "crypto/fips.h"

#include <openssl/err.h>

#include <openssl/evp.h>

#include <openssl/bn.h>

#ifdef OPENSSL_FIPS

static const char P_256_name[] = "ECDSA P-256";

static const unsigned char P_256_d[] = {

    0x51, 0xbd, 0x06, 0xa1, 0x1c, 0xda, 0xe2, 0x12, 0x99, 0xc9, 0x52, 0x3f,

    0xea, 0xa4, 0xd2, 0xd1, 0xf4, 0x7f, 0xd4, 0x3e, 0xbd, 0xf8, 0xfc, 0x87,

    0xdc, 0x82, 0x53, 0x21, 0xee, 0xa0, 0xdc, 0x64

};

static const unsigned char P_256_qx[] = {

    0x23, 0x89, 0xe0, 0xf4, 0x69, 0xe0, 0x49, 0xe5, 0xc7, 0xe5, 0x40, 0x6e,

    0x8f, 0x25, 0xdd, 0xad, 0x11, 0x16, 0x14, 0x9b, 0xab, 0x44, 0x06, 0x31,

    0xbf, 0x5e, 0xa6, 0x44, 0xac, 0x86, 0x00, 0x07

};

static const unsigned char P_256_qy[] = {

    0xb3, 0x05, 0x0d, 0xd0, 0xdc, 0xf7, 0x40, 0xe6, 0xf9, 0xd8, 0x6d, 0x7b,

    0x63, 0xca, 0x97, 0xe6, 0x12, 0xf9, 0xd4, 0x18, 0x59, 0xbe, 0xb2, 0x5e,

    0x4a, 0x6a, 0x77, 0x23, 0xf4, 0x11, 0x9d, 0xeb

};

typedef struct {

    int curve;

    const char *name;

    const unsigned char *x;

    size_t xlen;

    const unsigned char *y;

    size_t ylen;

    const unsigned char *d;

    size_t dlen;

} EC_SELFTEST_DATA;

# define make_ecdsa_test(nid, pr) { nid, pr##_name, \

                                pr##_qx, sizeof(pr##_qx), \

                                pr##_qy, sizeof(pr##_qy), \

                                pr##_d, sizeof(pr##_d)}

static EC_SELFTEST_DATA test_ec_data[] = {

    make_ecdsa_test(NID_X9_62_prime256v1, P_256),

};

int FIPS_selftest_ecdsa()

{

    EC_KEY *ec = NULL;

    BIGNUM *x = NULL, *y = NULL, *d = NULL;

    EVP_PKEY *pk = NULL;

    int rv = 0;

    size_t i;

    for (i = 0; i < sizeof(test_ec_data) / sizeof(EC_SELFTEST_DATA); i++) {

        EC_SELFTEST_DATA *ecd = test_ec_data + i;

        x = BN_bin2bn(ecd->x, ecd->xlen, x);

        y = BN_bin2bn(ecd->y, ecd->ylen, y);

        d = BN_bin2bn(ecd->d, ecd->dlen, d);

        if (!x || !y || !d)

            goto err;

        ec = EC_KEY_new_by_curve_name(ecd->curve);

        if (!ec)

            goto err;

        if (!EC_KEY_set_public_key_affine_coordinates(ec, x, y))

            goto err;

        if (!EC_KEY_set_private_key(ec, d))

            goto err;

        if ((pk = EVP_PKEY_new()) == NULL)

            goto err;

        EVP_PKEY_assign_EC_KEY(pk, ec);

        if (!fips_pkey_signature_test(pk, NULL, 0,

                                      NULL, 0, EVP_sha256(), 0, ecd->name))

            goto err;

    }

    rv = 1;

 err:

    if (x)

        BN_clear_free(x);

    if (y)

        BN_clear_free(y);

    if (d)

        BN_clear_free(d);

    if (pk)

        EVP_PKEY_free(pk);

    else if (ec)

        EC_KEY_free(ec);

    return rv;

}

#endif