early-access version 1255
This commit is contained in:
pineappleEA
192
externals/libressl/crypto/ec/ec_oct.c
vendored
Executable file
192
externals/libressl/crypto/ec/ec_oct.c
vendored
Executable file
@@ -0,0 +1,192 @@
|
||||
/* $OpenBSD: ec_oct.c,v 1.5 2017/01/29 17:49:23 beck Exp $ */
|
||||
/*
|
||||
* Originally written by Bodo Moeller for the OpenSSL project.
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1998-2003 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.
|
||||
* Binary polynomial ECC support in OpenSSL originally developed by
|
||||
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#include <openssl/opensslconf.h>
|
||||
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/opensslv.h>
|
||||
|
||||
#include "ec_lcl.h"
|
||||
|
||||
int
|
||||
EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP * group, EC_POINT * point,
|
||||
const BIGNUM * x, int y_bit, BN_CTX * ctx)
|
||||
{
|
||||
if (group->meth->point_set_compressed_coordinates == 0
|
||||
&& !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
|
||||
ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth != point->meth) {
|
||||
ECerror(EC_R_INCOMPATIBLE_OBJECTS);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
|
||||
if (group->meth->field_type == NID_X9_62_prime_field)
|
||||
return ec_GFp_simple_set_compressed_coordinates(
|
||||
group, point, x, y_bit, ctx);
|
||||
else
|
||||
#ifdef OPENSSL_NO_EC2M
|
||||
{
|
||||
ECerror(EC_R_GF2M_NOT_SUPPORTED);
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
return ec_GF2m_simple_set_compressed_coordinates(
|
||||
group, point, x, y_bit, ctx);
|
||||
#endif
|
||||
}
|
||||
return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
|
||||
}
|
||||
|
||||
#ifndef OPENSSL_NO_EC2M
|
||||
int
|
||||
EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP * group, EC_POINT * point,
|
||||
const BIGNUM * x, int y_bit, BN_CTX * ctx)
|
||||
{
|
||||
if (group->meth->point_set_compressed_coordinates == 0
|
||||
&& !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
|
||||
ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth != point->meth) {
|
||||
ECerror(EC_R_INCOMPATIBLE_OBJECTS);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
|
||||
if (group->meth->field_type == NID_X9_62_prime_field)
|
||||
return ec_GFp_simple_set_compressed_coordinates(
|
||||
group, point, x, y_bit, ctx);
|
||||
else
|
||||
return ec_GF2m_simple_set_compressed_coordinates(
|
||||
group, point, x, y_bit, ctx);
|
||||
}
|
||||
return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
|
||||
}
|
||||
#endif
|
||||
|
||||
size_t
|
||||
EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,
|
||||
point_conversion_form_t form,
|
||||
unsigned char *buf, size_t len, BN_CTX *ctx)
|
||||
{
|
||||
if (group->meth->point2oct == 0
|
||||
&& !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
|
||||
ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth != point->meth) {
|
||||
ECerror(EC_R_INCOMPATIBLE_OBJECTS);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
|
||||
if (group->meth->field_type == NID_X9_62_prime_field)
|
||||
return ec_GFp_simple_point2oct(group, point,
|
||||
form, buf, len, ctx);
|
||||
else
|
||||
#ifdef OPENSSL_NO_EC2M
|
||||
{
|
||||
ECerror(EC_R_GF2M_NOT_SUPPORTED);
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
return ec_GF2m_simple_point2oct(group, point,
|
||||
form, buf, len, ctx);
|
||||
#endif
|
||||
}
|
||||
return group->meth->point2oct(group, point, form, buf, len, ctx);
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point,
|
||||
const unsigned char *buf, size_t len, BN_CTX *ctx)
|
||||
{
|
||||
if (group->meth->oct2point == 0 &&
|
||||
!(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
|
||||
ECerror(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth != point->meth) {
|
||||
ECerror(EC_R_INCOMPATIBLE_OBJECTS);
|
||||
return 0;
|
||||
}
|
||||
if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {
|
||||
if (group->meth->field_type == NID_X9_62_prime_field)
|
||||
return ec_GFp_simple_oct2point(group, point,
|
||||
buf, len, ctx);
|
||||
else
|
||||
#ifdef OPENSSL_NO_EC2M
|
||||
{
|
||||
ECerror(EC_R_GF2M_NOT_SUPPORTED);
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
return ec_GF2m_simple_oct2point(group, point,
|
||||
buf, len, ctx);
|
||||
#endif
|
||||
}
|
||||
return group->meth->oct2point(group, point, buf, len, ctx);
|
||||
}
|
||||
Reference in New Issue
Block a user