9bb8ba6ba1
Partially fixes build with -Wmissing-prototypes -Wmissing-declarations. Change-Id: I6048f5b7ef31560399b25ed9880156bc7d8abac2 Signed-off-by: Piotr Sikora <piotrsikora@google.com> Reviewed-on: https://boringssl-review.googlesource.com/7511 Reviewed-by: David Benjamin <davidben@google.com>
134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
/* Originally written by Bodo Moeller for the OpenSSL project.
|
||
* ====================================================================
|
||
* Copyright (c) 1998-2005 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.
|
||
* ====================================================================
|
||
*
|
||
* This product includes cryptographic software written by Eric Young
|
||
* (eay@cryptsoft.com). This product includes software written by Tim
|
||
* Hudson (tjh@cryptsoft.com).
|
||
*
|
||
*/
|
||
/* ====================================================================
|
||
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
|
||
*
|
||
* Portions of the attached software ("Contribution") are developed by
|
||
* SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
|
||
*
|
||
* The Contribution is licensed pursuant to the OpenSSL open source
|
||
* license provided above.
|
||
*
|
||
* The elliptic curve binary polynomial software is originally written by
|
||
* Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems
|
||
* Laboratories. */
|
||
|
||
#include <stdio.h>
|
||
|
||
#include <openssl/bn.h>
|
||
#include <openssl/crypto.h>
|
||
#include <openssl/ec.h>
|
||
#include <openssl/obj.h>
|
||
|
||
|
||
static int example_EC_POINT_mul(void) {
|
||
/* This example ensures that 10×∞ + G = G, in P-256. */
|
||
EC_GROUP *group = NULL;
|
||
EC_POINT *p = NULL, *result = NULL;
|
||
BIGNUM *n = NULL;
|
||
int ret = 0;
|
||
const EC_POINT *generator;
|
||
|
||
group = EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1);
|
||
p = EC_POINT_new(group);
|
||
result = EC_POINT_new(group);
|
||
n = BN_new();
|
||
|
||
if (p == NULL ||
|
||
result == NULL ||
|
||
group == NULL ||
|
||
n == NULL ||
|
||
!EC_POINT_set_to_infinity(group, p) ||
|
||
!BN_set_word(n, 10)) {
|
||
goto err;
|
||
}
|
||
|
||
/* First check that 10×∞ = ∞. */
|
||
if (!EC_POINT_mul(group, result, NULL, p, n, NULL) ||
|
||
!EC_POINT_is_at_infinity(group, result)) {
|
||
goto err;
|
||
}
|
||
|
||
generator = EC_GROUP_get0_generator(group);
|
||
|
||
/* Now check that 10×∞ + G = G. */
|
||
if (!EC_POINT_mul(group, result, BN_value_one(), p, n, NULL) ||
|
||
EC_POINT_cmp(group, result, generator, NULL) != 0) {
|
||
goto err;
|
||
}
|
||
|
||
ret = 1;
|
||
|
||
err:
|
||
BN_free(n);
|
||
EC_POINT_free(result);
|
||
EC_POINT_free(p);
|
||
EC_GROUP_free(group);
|
||
|
||
return ret;
|
||
}
|
||
|
||
int main(void) {
|
||
CRYPTO_library_init();
|
||
|
||
if (!example_EC_POINT_mul()) {
|
||
fprintf(stderr, "failed\n");
|
||
return 1;
|
||
}
|
||
|
||
printf("PASS\n");
|
||
return 0;
|
||
}
|