X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fec%2Fec_print.c;h=027a51928aab85d2adbfef616ddf45da5cbf56ab;hb=edfd50d8db3ae20c1cba1667f861a25cbe6c31f2;hp=7c34694633371d13e6bda25c40fbd8939d79941a;hpb=8fdc3734c063146b038608c2412a0f2c9b21b6d6;p=oweals%2Fopenssl.git diff --git a/crypto/ec/ec_print.c b/crypto/ec/ec_print.c index 7c34694633..027a51928a 100644 --- a/crypto/ec/ec_print.c +++ b/crypto/ec/ec_print.c @@ -1,59 +1,14 @@ -/* crypto/ec/ec_print.c */ -/* ==================================================================== - * Copyright (c) 1998-2002 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 2002-2018 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 */ #include +#include #include "ec_lcl.h" BIGNUM *EC_POINT_point2bn(const EC_GROUP *group, @@ -64,17 +19,10 @@ BIGNUM *EC_POINT_point2bn(const EC_GROUP *group, size_t buf_len = 0; unsigned char *buf; - buf_len = EC_POINT_point2oct(group, point, form, NULL, 0, ctx); - if (buf_len == 0) - return NULL; - - if ((buf = OPENSSL_malloc(buf_len)) == NULL) - return NULL; + buf_len = EC_POINT_point2buf(group, point, form, &buf, ctx); - if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) { - OPENSSL_free(buf); + if (buf_len == 0) return NULL; - } ret = BN_bin2bn(buf, buf_len, ret); @@ -92,9 +40,10 @@ EC_POINT *EC_POINT_bn2point(const EC_GROUP *group, if ((buf_len = BN_num_bytes(bn)) == 0) return NULL; - buf = OPENSSL_malloc(buf_len); - if (buf == NULL) + if ((buf = OPENSSL_malloc(buf_len)) == NULL) { + ECerr(EC_F_EC_POINT_BN2POINT, ERR_R_MALLOC_FAILURE); return NULL; + } if (!BN_bn2bin(bn, buf)) { OPENSSL_free(buf); @@ -129,21 +78,14 @@ char *EC_POINT_point2hex(const EC_GROUP *group, { char *ret, *p; size_t buf_len = 0, i; - unsigned char *buf, *pbuf; - - buf_len = EC_POINT_point2oct(group, point, form, NULL, 0, ctx); - if (buf_len == 0) - return NULL; + unsigned char *buf = NULL, *pbuf; - if ((buf = OPENSSL_malloc(buf_len)) == NULL) - return NULL; + buf_len = EC_POINT_point2buf(group, point, form, &buf, ctx); - if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx)) { - OPENSSL_free(buf); + if (buf_len == 0) return NULL; - } - ret = (char *)OPENSSL_malloc(buf_len * 2 + 2); + ret = OPENSSL_malloc(buf_len * 2 + 2); if (ret == NULL) { OPENSSL_free(buf); return NULL;