add: execute openssl fetcher to fetch openssl 1.0.1j

[cassiopeia.git] / lib / openssl / crypto / des / pcbc_enc.c

diff --git a/lib/openssl/crypto/des/pcbc_enc.c b/lib/openssl/crypto/des/pcbc_enc.c
new file mode 100644 (file)
index 0000000..17a40f9
--- /dev/null
+++ b/lib/openssl/crypto/des/pcbc_enc.c
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+/* crypto/des/pcbc_enc.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"
+
+void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
+                     long length, DES_key_schedule *schedule,
+                     DES_cblock *ivec, int enc)
+       {
+       register DES_LONG sin0,sin1,xor0,xor1,tout0,tout1;
+       DES_LONG tin[2];
+       const unsigned char *in;
+       unsigned char *out,*iv;
+
+       in=input;
+       out=output;
+       iv = &(*ivec)[0];
+
+       if (enc)
+               {
+               c2l(iv,xor0);
+               c2l(iv,xor1);
+               for (; length>0; length-=8)
+                       {
+                       if (length >= 8)
+                               {
+                               c2l(in,sin0);
+                               c2l(in,sin1);
+                               }
+                       else
+                               c2ln(in,sin0,sin1,length);
+                       tin[0]=sin0^xor0;
+                       tin[1]=sin1^xor1;
+                       DES_encrypt1((DES_LONG *)tin,schedule,DES_ENCRYPT);
+                       tout0=tin[0];
+                       tout1=tin[1];
+                       xor0=sin0^tout0;
+                       xor1=sin1^tout1;
+                       l2c(tout0,out);
+                       l2c(tout1,out);
+                       }
+               }
+       else
+               {
+               c2l(iv,xor0); c2l(iv,xor1);
+               for (; length>0; length-=8)
+                       {
+                       c2l(in,sin0);
+                       c2l(in,sin1);
+                       tin[0]=sin0;
+                       tin[1]=sin1;
+                       DES_encrypt1((DES_LONG *)tin,schedule,DES_DECRYPT);
+                       tout0=tin[0]^xor0;
+                       tout1=tin[1]^xor1;
+                       if (length >= 8)
+                               {
+                               l2c(tout0,out);
+                               l2c(tout1,out);
+                               }
+                       else
+                               l2cn(tout0,tout1,out,length);
+                       xor0=tout0^sin0;
+                       xor1=tout1^sin1;
+                       }
+               }
+       tin[0]=tin[1]=0;
+       sin0=sin1=xor0=xor1=tout0=tout1=0;
+       }