X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Frsa%2Frsa_asn1.c;h=9fe62c82eb2fe42d1b2ff80b8e3c2f6f371117a2;hb=6f007824adc40d629e6ad1317d4184ca8bb967fc;hp=da8b2406dd4ba4276160741b7ac4a15637af7620;hpb=9862e9aa98ee1e38fbcef8d1dd5db0e750eb5e8d;p=oweals%2Fopenssl.git diff --git a/crypto/rsa/rsa_asn1.c b/crypto/rsa/rsa_asn1.c index da8b2406dd..9fe62c82eb 100644 --- a/crypto/rsa/rsa_asn1.c +++ b/crypto/rsa/rsa_asn1.c @@ -1,59 +1,10 @@ /* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project - * 2000. - */ -/* ==================================================================== - * Copyright (c) 2000-2005 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 - * licensing@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 2000-2017 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 @@ -63,7 +14,11 @@ #include #include "rsa_locl.h" -/* Override the default free and new methods */ +/* + * Override the default free and new methods, + * and calculate helper products for multi-prime + * RSA keys. + */ static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg) { @@ -76,12 +31,25 @@ static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, RSA_free((RSA *)*pval); *pval = NULL; return 2; + } else if (operation == ASN1_OP_D2I_POST) { + if (((RSA *)*pval)->version != RSA_ASN1_VERSION_MULTI) { + /* not a multi-prime key, skip */ + return 1; + } + return (rsa_multip_calc_product((RSA *)*pval) == 1) ? 2 : 0; } return 1; } +/* Based on definitions in RFC 8017 appendix A.1.2 */ +ASN1_SEQUENCE(RSA_PRIME_INFO) = { + ASN1_SIMPLE(RSA_PRIME_INFO, r, CBIGNUM), + ASN1_SIMPLE(RSA_PRIME_INFO, d, CBIGNUM), + ASN1_SIMPLE(RSA_PRIME_INFO, t, CBIGNUM), +} ASN1_SEQUENCE_END(RSA_PRIME_INFO) + ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = { - ASN1_SIMPLE(RSA, version, LONG), + ASN1_EMBED(RSA, version, INT32), ASN1_SIMPLE(RSA, n, BIGNUM), ASN1_SIMPLE(RSA, e, BIGNUM), ASN1_SIMPLE(RSA, d, CBIGNUM), @@ -89,7 +57,8 @@ ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = { ASN1_SIMPLE(RSA, q, CBIGNUM), ASN1_SIMPLE(RSA, dmp1, CBIGNUM), ASN1_SIMPLE(RSA, dmq1, CBIGNUM), - ASN1_SIMPLE(RSA, iqmp, CBIGNUM) + ASN1_SIMPLE(RSA, iqmp, CBIGNUM), + ASN1_SEQUENCE_OF_OPT(RSA, prime_infos, RSA_PRIME_INFO) } ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey) @@ -98,20 +67,42 @@ ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = { ASN1_SIMPLE(RSA, e, BIGNUM), } ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey) -ASN1_SEQUENCE(RSA_PSS_PARAMS) = { +/* Free up maskHash */ +static int rsa_pss_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + if (operation == ASN1_OP_FREE_PRE) { + RSA_PSS_PARAMS *pss = (RSA_PSS_PARAMS *)*pval; + X509_ALGOR_free(pss->maskHash); + } + return 1; +} + +ASN1_SEQUENCE_cb(RSA_PSS_PARAMS, rsa_pss_cb) = { ASN1_EXP_OPT(RSA_PSS_PARAMS, hashAlgorithm, X509_ALGOR,0), ASN1_EXP_OPT(RSA_PSS_PARAMS, maskGenAlgorithm, X509_ALGOR,1), ASN1_EXP_OPT(RSA_PSS_PARAMS, saltLength, ASN1_INTEGER,2), ASN1_EXP_OPT(RSA_PSS_PARAMS, trailerField, ASN1_INTEGER,3) -} ASN1_SEQUENCE_END(RSA_PSS_PARAMS) +} ASN1_SEQUENCE_END_cb(RSA_PSS_PARAMS, RSA_PSS_PARAMS) IMPLEMENT_ASN1_FUNCTIONS(RSA_PSS_PARAMS) -ASN1_SEQUENCE(RSA_OAEP_PARAMS) = { +/* Free up maskHash */ +static int rsa_oaep_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + if (operation == ASN1_OP_FREE_PRE) { + RSA_OAEP_PARAMS *oaep = (RSA_OAEP_PARAMS *)*pval; + X509_ALGOR_free(oaep->maskHash); + } + return 1; +} + +ASN1_SEQUENCE_cb(RSA_OAEP_PARAMS, rsa_oaep_cb) = { ASN1_EXP_OPT(RSA_OAEP_PARAMS, hashFunc, X509_ALGOR, 0), ASN1_EXP_OPT(RSA_OAEP_PARAMS, maskGenFunc, X509_ALGOR, 1), ASN1_EXP_OPT(RSA_OAEP_PARAMS, pSourceFunc, X509_ALGOR, 2), -} ASN1_SEQUENCE_END(RSA_OAEP_PARAMS) +} ASN1_SEQUENCE_END_cb(RSA_OAEP_PARAMS, RSA_OAEP_PARAMS) IMPLEMENT_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)