2f142ada2c
Add digest combining MD5 and SHA1. This is used by RSA signatures for TLS 1.1 and earlier. Reviewed-by: Tim Hudson <tjh@openssl.org>
115 lines
3.8 KiB
C
115 lines
3.8 KiB
C
/* crypto/evp/m_md5_sha1.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2015 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_SHA1)
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# include <openssl/evp.h>
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# include <openssl/objects.h>
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# include <openssl/x509.h>
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# include <openssl/md5.h>
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# include <openssl/sha.h>
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# ifndef OPENSSL_NO_RSA
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# include <openssl/rsa.h>
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# endif
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struct md5_sha1_ctx {
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MD5_CTX md5;
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SHA_CTX sha1;
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};
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static int init(EVP_MD_CTX *ctx)
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{
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struct md5_sha1_ctx *mctx = ctx->md_data;
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if (!MD5_Init(&mctx->md5))
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return 0;
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return SHA1_Init(&mctx->sha1);
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}
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static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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struct md5_sha1_ctx *mctx = ctx->md_data;
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if (!MD5_Update(&mctx->md5, data, count))
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return 0;
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return SHA1_Update(&mctx->sha1, data, count);
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}
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static int final(EVP_MD_CTX *ctx, unsigned char *md)
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{
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struct md5_sha1_ctx *mctx = ctx->md_data;
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if (!MD5_Final(md, &mctx->md5))
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return 0;
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return SHA1_Final(md + MD5_DIGEST_LENGTH, &mctx->sha1);
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}
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static const EVP_MD md5_sha1_md = {
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NID_md5_sha1,
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NID_md5_sha1,
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MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH,
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0,
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init,
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update,
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final,
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NULL,
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NULL,
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EVP_PKEY_RSA_method,
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MD5_CBLOCK,
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sizeof(EVP_MD *) + sizeof(struct md5_sha1_ctx),
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};
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const EVP_MD *EVP_md5_sha1(void)
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{
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return &md5_sha1_md;
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}
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#endif
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