X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fec%2Fec2_oct.c;h=24c32ae623436eff87843154b4803ef4bc642cc9;hp=614c371f86389a97909b94323574be19bec7b81f;hb=9fd3c858b4ceea7ff0b176c7c0a2438475898598;hpb=0f113f3ee4d629ef9a4a30911b22b224772085e5 diff --git a/crypto/ec/ec2_oct.c b/crypto/ec/ec2_oct.c index 614c371f86..24c32ae623 100644 --- a/crypto/ec/ec2_oct.c +++ b/crypto/ec/ec2_oct.c @@ -1,70 +1,11 @@ -/* crypto/ec/ec2_oct.c */ -/* ==================================================================== - * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * - * The Elliptic Curve Public-Key Crypto Library (ECC Code) included - * herein is developed by SUN MICROSYSTEMS, INC., and is contributed - * to the OpenSSL project. - * - * The ECC Code is licensed pursuant to the OpenSSL open source - * license provided below. - * - * The software is originally written by Sheueling Chang Shantz and - * Douglas Stebila of Sun Microsystems Laboratories. - * - */ -/* ==================================================================== - * 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 2011-2016 The OpenSSL Project Authors. All Rights Reserved. + * Copyright (c) 2002, Oracle and/or its affiliates. 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 */ #include @@ -160,8 +101,7 @@ int ec_GF2m_simple_set_compressed_coordinates(const EC_GROUP *group, err: BN_CTX_end(ctx); - if (new_ctx != NULL) - BN_CTX_free(new_ctx); + BN_CTX_free(new_ctx); return ret; } @@ -278,15 +218,13 @@ size_t ec_GF2m_simple_point2oct(const EC_GROUP *group, const EC_POINT *point, if (used_ctx) BN_CTX_end(ctx); - if (new_ctx != NULL) - BN_CTX_free(new_ctx); + BN_CTX_free(new_ctx); return ret; err: if (used_ctx) BN_CTX_end(ctx); - if (new_ctx != NULL) - BN_CTX_free(new_ctx); + BN_CTX_free(new_ctx); return 0; } @@ -382,22 +320,19 @@ int ec_GF2m_simple_oct2point(const EC_GROUP *group, EC_POINT *point, } } + /* + * EC_POINT_set_affine_coordinates_GF2m is responsible for checking that + * the point is on the curve. + */ if (!EC_POINT_set_affine_coordinates_GF2m(group, point, x, y, ctx)) goto err; } - /* test required by X9.62 */ - if (!EC_POINT_is_on_curve(group, point, ctx)) { - ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_POINT_IS_NOT_ON_CURVE); - goto err; - } - ret = 1; err: BN_CTX_end(ctx); - if (new_ctx != NULL) - BN_CTX_free(new_ctx); + BN_CTX_free(new_ctx); return ret; } #endif