-/* crypto/evp/m_md5_sha1.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2015 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.
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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.
- * ====================================================================
+ * 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
*/
-#if !defined(OPENSSL_NO_MD5) && !defined(OPENSSL_NO_SHA1)
+#if !defined(OPENSSL_NO_MD5)
# include <openssl/evp.h>
# include <openssl/objects.h>
# include <openssl/x509.h>
# include <openssl/md5.h>
# include <openssl/sha.h>
-# ifndef OPENSSL_NO_RSA
-# include <openssl/rsa.h>
-# endif
+# include "internal/cryptlib.h"
+# include "internal/evp_int.h"
+# include <openssl/rsa.h>
struct md5_sha1_ctx {
MD5_CTX md5;
static int init(EVP_MD_CTX *ctx)
{
- struct md5_sha1_ctx *mctx = ctx->md_data;
+ struct md5_sha1_ctx *mctx = EVP_MD_CTX_md_data(ctx);
if (!MD5_Init(&mctx->md5))
return 0;
return SHA1_Init(&mctx->sha1);
static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
- struct md5_sha1_ctx *mctx = ctx->md_data;
+ struct md5_sha1_ctx *mctx = EVP_MD_CTX_md_data(ctx);
if (!MD5_Update(&mctx->md5, data, count))
return 0;
return SHA1_Update(&mctx->sha1, data, count);
static int final(EVP_MD_CTX *ctx, unsigned char *md)
{
- struct md5_sha1_ctx *mctx = ctx->md_data;
+ struct md5_sha1_ctx *mctx = EVP_MD_CTX_md_data(ctx);
if (!MD5_Final(md, &mctx->md5))
return 0;
return SHA1_Final(md + MD5_DIGEST_LENGTH, &mctx->sha1);
}
+static int ctrl(EVP_MD_CTX *ctx, int cmd, int mslen, void *ms)
+{
+ unsigned char padtmp[48];
+ unsigned char md5tmp[MD5_DIGEST_LENGTH];
+ unsigned char sha1tmp[SHA_DIGEST_LENGTH];
+ struct md5_sha1_ctx *mctx;
+
+ if (cmd != EVP_CTRL_SSL3_MASTER_SECRET)
+ return -2;
+
+ if (ctx == NULL)
+ return 0;
+
+ mctx = EVP_MD_CTX_md_data(ctx);
+
+ /* SSLv3 client auth handling: see RFC-6101 5.6.8 */
+ if (mslen != 48)
+ return 0;
+
+ /* At this point hash contains all handshake messages, update
+ * with master secret and pad_1.
+ */
+
+ if (update(ctx, ms, mslen) <= 0)
+ return 0;
+
+ /* Set padtmp to pad_1 value */
+ memset(padtmp, 0x36, sizeof(padtmp));
+
+ if (!MD5_Update(&mctx->md5, padtmp, sizeof(padtmp)))
+ return 0;
+
+ if (!MD5_Final(md5tmp, &mctx->md5))
+ return 0;
+
+ if (!SHA1_Update(&mctx->sha1, padtmp, 40))
+ return 0;
+
+ if (!SHA1_Final(sha1tmp, &mctx->sha1))
+ return 0;
+
+ /* Reinitialise context */
+
+ if (!init(ctx))
+ return 0;
+
+ if (update(ctx, ms, mslen) <= 0)
+ return 0;
+
+ /* Set padtmp to pad_2 value */
+ memset(padtmp, 0x5c, sizeof(padtmp));
+
+ if (!MD5_Update(&mctx->md5, padtmp, sizeof(padtmp)))
+ return 0;
+
+ if (!MD5_Update(&mctx->md5, md5tmp, sizeof(md5tmp)))
+ return 0;
+
+ if (!SHA1_Update(&mctx->sha1, padtmp, 40))
+ return 0;
+
+ if (!SHA1_Update(&mctx->sha1, sha1tmp, sizeof(sha1tmp)))
+ return 0;
+
+ /* Now when ctx is finalised it will return the SSL v3 hash value */
+
+ OPENSSL_cleanse(md5tmp, sizeof(md5tmp));
+ OPENSSL_cleanse(sha1tmp, sizeof(sha1tmp));
+
+ return 1;
+
+}
+
static const EVP_MD md5_sha1_md = {
NID_md5_sha1,
NID_md5_sha1,
final,
NULL,
NULL,
- EVP_PKEY_RSA_method,
MD5_CBLOCK,
sizeof(EVP_MD *) + sizeof(struct md5_sha1_ctx),
+ ctrl
};
const EVP_MD *EVP_md5_sha1(void)
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