X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=lib%2Fopenssl%2Fcrypto%2Fec%2Fec_oct.c;h=effc42a344da4687fea5664e2d291cc0758ffa27;hb=HEAD;hp=fd9db0798d3d3f71f2361189c9942c7066ec6864;hpb=ba8f20d49b7c8142babdbe783ebd9c937405ba13;p=cassiopeia.git diff --git a/lib/openssl/crypto/ec/ec_oct.c b/lib/openssl/crypto/ec/ec_oct.c index fd9db07..effc42a 100644 --- a/lib/openssl/crypto/ec/ec_oct.c +++ b/lib/openssl/crypto/ec/ec_oct.c @@ -1,63 +1,15 @@ -/* crypto/ec/ec_lib.c */ /* - * 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 2011-2016 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ + /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * Binary polynomial ECC support in OpenSSL originally developed by + * Binary polynomial ECC support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ @@ -68,132 +20,146 @@ #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)) - { - ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return 0; - } - if (group->meth != point->meth) - { - ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, 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 +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)) { + ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, + ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != point->meth) { + ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, + 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 - { - ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, EC_R_GF2M_NOT_SUPPORTED); - return 0; - } + { + ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, + EC_R_GF2M_NOT_SUPPORTED); + return 0; + } #else - return ec_GF2m_simple_set_compressed_coordinates( - group, point, x, y_bit, ctx); + 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); - } + } + 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)) - { - ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return 0; - } - if (group->meth != point->meth) - { - ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, 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); - } +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)) { + ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, + ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != point->meth) { + ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, + 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)) - { - ECerr(EC_F_EC_POINT_POINT2OCT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return 0; - } - if (group->meth != point->meth) - { - ECerr(EC_F_EC_POINT_POINT2OCT, 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 +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)) { + ECerr(EC_F_EC_POINT_POINT2OCT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != point->meth) { + ECerr(EC_F_EC_POINT_POINT2OCT, 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 - { - ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_GF2M_NOT_SUPPORTED); - return 0; - } + { + ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_GF2M_NOT_SUPPORTED); + return 0; + } #else - return ec_GF2m_simple_point2oct(group, point, - form, buf, len, ctx); + return ec_GF2m_simple_point2oct(group, point, + form, buf, len, ctx); #endif - } - - return group->meth->point2oct(group, point, form, buf, len, ctx); - } + } + 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)) - { - ECerr(EC_F_EC_POINT_OCT2POINT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return 0; - } - if (group->meth != point->meth) - { - ECerr(EC_F_EC_POINT_OCT2POINT, 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 + const unsigned char *buf, size_t len, BN_CTX *ctx) +{ + if (group->meth->oct2point == 0 + && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) { + ECerr(EC_F_EC_POINT_OCT2POINT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + return 0; + } + if (group->meth != point->meth) { + ECerr(EC_F_EC_POINT_OCT2POINT, 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 - { - ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_GF2M_NOT_SUPPORTED); - return 0; - } + { + ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_GF2M_NOT_SUPPORTED); + return 0; + } #else - return ec_GF2m_simple_oct2point(group, point, - buf, len, ctx); + return ec_GF2m_simple_oct2point(group, point, buf, len, ctx); #endif - } - return group->meth->oct2point(group, point, buf, len, ctx); - } + } + return group->meth->oct2point(group, point, buf, len, ctx); +} +size_t EC_POINT_point2buf(const EC_GROUP *group, const EC_POINT *point, + point_conversion_form_t form, + unsigned char **pbuf, BN_CTX *ctx) +{ + size_t len; + unsigned char *buf; + len = EC_POINT_point2oct(group, point, form, NULL, 0, NULL); + if (len == 0) + return 0; + buf = OPENSSL_malloc(len); + if (buf == NULL) + return 0; + len = EC_POINT_point2oct(group, point, form, buf, len, ctx); + if (len == 0) { + OPENSSL_free(buf); + return 0; + } + *pbuf = buf; + return len; +}