Initial import

1 files changed, 106 insertions, 0 deletions

diff --git a/openssl/crypto/des/cbc_cksm.c b/openssl/crypto/des/cbc_cksm.c
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+++ b/openssl/crypto/des/cbc_cksm.c
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+/* crypto/des/cbc_cksm.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * 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.]
+ */
+
+#include "des_locl.h"
+
+DES_LONG DES_cbc_cksum(const unsigned char *in, DES_cblock *output,
+		       long length, DES_key_schedule *schedule,
+		       const_DES_cblock *ivec)
+	{
+	register DES_LONG tout0,tout1,tin0,tin1;
+	register long l=length;
+	DES_LONG tin[2];
+	unsigned char *out = &(*output)[0];
+	const unsigned char *iv = &(*ivec)[0];
+
+	c2l(iv,tout0);
+	c2l(iv,tout1);
+	for (; l>0; l-=8)
+		{
+		if (l >= 8)
+			{
+			c2l(in,tin0);
+			c2l(in,tin1);
+			}
+		else
+			c2ln(in,tin0,tin1,l);
+			
+		tin0^=tout0; tin[0]=tin0;
+		tin1^=tout1; tin[1]=tin1;
+		DES_encrypt1((DES_LONG *)tin,schedule,DES_ENCRYPT);
+		/* fix 15/10/91 eay - thanks to keithr@sco.COM */
+		tout0=tin[0];
+		tout1=tin[1];
+		}
+	if (out != NULL)
+		{
+		l2c(tout0,out);
+		l2c(tout1,out);
+		}
+	tout0=tin0=tin1=tin[0]=tin[1]=0;
+	/*
+	  Transform the data in tout1 so that it will
+	  match the return value that the MIT Kerberos
+	  mit_des_cbc_cksum API returns.
+	*/
+	tout1 = ((tout1 >> 24L) & 0x000000FF)
+	      | ((tout1 >> 8L)  & 0x0000FF00)
+	      | ((tout1 << 8L)  & 0x00FF0000)
+	      | ((tout1 << 24L) & 0xFF000000);
+	return(tout1);
+	}