X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fsha%2Fsha1_one.c;h=273ab08dc18f28851db4fe207f81561196ac88d7;hp=fe5770d6019cb98617de587127f07892eaa88c5b;hb=0dd0be9408a4f20941c7ec23b4634cdf6402f573;hpb=7dfb0b774e6592dcbfe47015168a0ac8b44e2a17

diff --git a/crypto/sha/sha1_one.c b/crypto/sha/sha1_one.c
index fe5770d601..273ab08dc1 100644
--- a/crypto/sha/sha1_one.c
+++ b/crypto/sha/sha1_one.c
@@ -1,77 +1,28 @@
-/* crypto/sha/sha1_one.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- * 
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- * 
- * 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 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 acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- * 
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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 <stdio.h>
 #include <string.h>
-#include "sha.h"
+#include <openssl/crypto.h>
+#include <openssl/sha.h>
 
-unsigned char *SHA1(d, n, md)
-unsigned char *d;
-unsigned long n;
-unsigned char *md;
-	{
-	SHA_CTX c;
-	static unsigned char m[SHA_DIGEST_LENGTH];
+unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md)
+{
+    SHA_CTX c;
+    static unsigned char m[SHA_DIGEST_LENGTH];
 
-	if (md == NULL) md=m;
-	SHA1_Init(&c);
-	SHA1_Update(&c,d,n);
-	SHA1_Final(md,&c);
-	memset(&c,0,sizeof(c));
-	return(md);
-	}
+    if (md == NULL)
+        md = m;
+    if (!SHA1_Init(&c))
+        return NULL;
+    SHA1_Update(&c, d, n);
+    SHA1_Final(md, &c);
+    OPENSSL_cleanse(&c, sizeof(c));
+    return (md);
+}