X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbn%2Fbn_gf2m.c;h=b1987f55dd2fbf63944b39fc7ba1a9fdf5c0055d;hp=cd137c36496f2322e4e4e4e2df12a72e09356bf9;hb=53b33100769aa8801d6fd2caf155c7cb04d64dfc;hpb=4924b37ee01f71ae19c94a8934b80eeb2f677932 diff --git a/crypto/bn/bn_gf2m.c b/crypto/bn/bn_gf2m.c index cd137c3649..b1987f55dd 100644 --- a/crypto/bn/bn_gf2m.c +++ b/crypto/bn/bn_gf2m.c @@ -1,4 +1,12 @@ -/* crypto/bn/bn_gf2m.c */ +/* + * Copyright 2002-2016 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. * @@ -8,85 +16,6 @@ * * The ECC Code is licensed pursuant to the OpenSSL open source * license provided below. - * - * In addition, Sun covenants to all licensees who provide a reciprocal - * covenant with respect to their own patents if any, not to sue under - * current and future patent claims necessarily infringed by the making, - * using, practicing, selling, offering for sale and/or otherwise - * disposing of the ECC Code as delivered hereunder (or portions thereof), - * provided that such covenant shall not apply: - * 1) for code that a licensee deletes from the ECC Code; - * 2) separates from the ECC Code; or - * 3) for infringements caused by: - * i) the modification of the ECC Code or - * ii) the combination of the ECC Code with other software or - * devices where such combination causes the infringement. - * - * The software is originally written by Sheueling Chang Shantz and - * Douglas Stebila of Sun Microsystems Laboratories. - * - */ - -/* - * NOTE: This file is licensed pursuant to the OpenSSL license below and may - * be modified; but after modifications, the above covenant may no longer - * apply! In such cases, the corresponding paragraph ["In addition, Sun - * covenants ... causes the infringement."] and this note can be edited out; - * but please keep the Sun copyright notice and attribution. - */ - -/* ==================================================================== - * 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). - * */ #include @@ -574,7 +503,7 @@ int BN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[], bn_check_top(a); BN_CTX_start(ctx); if ((s = BN_CTX_get(ctx)) == NULL) - return 0; + goto err; if (!bn_wexpand(s, 2 * a->top)) goto err; @@ -697,18 +626,21 @@ int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) int top = p->top; BN_ULONG *udp, *bdp, *vdp, *cdp; - bn_wexpand(u, top); + if (!bn_wexpand(u, top)) + goto err; udp = u->d; for (i = u->top; i < top; i++) udp[i] = 0; u->top = top; - bn_wexpand(b, top); + if (!bn_wexpand(b, top)) + goto err; bdp = b->d; bdp[0] = 1; for (i = 1; i < top; i++) bdp[i] = 0; b->top = top; - bn_wexpand(c, top); + if (!bn_wexpand(c, top)) + goto err; cdp = c->d; for (i = 0; i < top; i++) cdp[i] = 0; @@ -1157,7 +1089,7 @@ int BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a_, const int p[], if (tmp == NULL) goto err; do { - if (!BN_rand(rho, p[0], 0, 0)) + if (!BN_rand(rho, p[0], BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY)) goto err; if (!BN_GF2m_mod_arr(rho, rho, p)) goto err;