aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/des/ede_cbcm_enc.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/des/ede_cbcm_enc.c')
-rw-r--r--crypto/des/ede_cbcm_enc.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/crypto/des/ede_cbcm_enc.c b/crypto/des/ede_cbcm_enc.c
deleted file mode 100644
index 86f27d077aae..000000000000
--- a/crypto/des/ede_cbcm_enc.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/* ede_cbcm_enc.c */
-/*
- * Written by Ben Laurie <ben@algroup.co.uk> for the OpenSSL project 13 Feb
- * 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 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.
- *
- * 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-/*
- *
- * This is an implementation of Triple DES Cipher Block Chaining with Output
- * Feedback Masking, by Coppersmith, Johnson and Matyas, (IBM and Certicom).
- *
- * Note that there is a known attack on this by Biham and Knudsen but it
- * takes a lot of work:
- *
- * http://www.cs.technion.ac.il/users/wwwb/cgi-bin/tr-get.cgi/1998/CS/CS0928.ps.gz
- *
- */
-
-#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_DESCBCM is defined */
-
-#ifndef OPENSSL_NO_DESCBCM
-# include "des_locl.h"
-
-void DES_ede3_cbcm_encrypt(const unsigned char *in, unsigned char *out,
- long length, DES_key_schedule *ks1,
- DES_key_schedule *ks2, DES_key_schedule *ks3,
- DES_cblock *ivec1, DES_cblock *ivec2, int enc)
-{
- register DES_LONG tin0, tin1;
- register DES_LONG tout0, tout1, xor0, xor1, m0, m1;
- register long l = length;
- DES_LONG tin[2];
- unsigned char *iv1, *iv2;
-
- iv1 = &(*ivec1)[0];
- iv2 = &(*ivec2)[0];
-
- if (enc) {
- c2l(iv1, m0);
- c2l(iv1, m1);
- c2l(iv2, tout0);
- c2l(iv2, tout1);
- for (l -= 8; l >= -7; l -= 8) {
- tin[0] = m0;
- tin[1] = m1;
- DES_encrypt1(tin, ks3, 1);
- m0 = tin[0];
- m1 = tin[1];
-
- if (l < 0) {
- c2ln(in, tin0, tin1, l + 8);
- } else {
- c2l(in, tin0);
- c2l(in, tin1);
- }
- tin0 ^= tout0;
- tin1 ^= tout1;
-
- tin[0] = tin0;
- tin[1] = tin1;
- DES_encrypt1(tin, ks1, 1);
- tin[0] ^= m0;
- tin[1] ^= m1;
- DES_encrypt1(tin, ks2, 0);
- tin[0] ^= m0;
- tin[1] ^= m1;
- DES_encrypt1(tin, ks1, 1);
- tout0 = tin[0];
- tout1 = tin[1];
-
- l2c(tout0, out);
- l2c(tout1, out);
- }
- iv1 = &(*ivec1)[0];
- l2c(m0, iv1);
- l2c(m1, iv1);
-
- iv2 = &(*ivec2)[0];
- l2c(tout0, iv2);
- l2c(tout1, iv2);
- } else {
- register DES_LONG t0, t1;
-
- c2l(iv1, m0);
- c2l(iv1, m1);
- c2l(iv2, xor0);
- c2l(iv2, xor1);
- for (l -= 8; l >= -7; l -= 8) {
- tin[0] = m0;
- tin[1] = m1;
- DES_encrypt1(tin, ks3, 1);
- m0 = tin[0];
- m1 = tin[1];
-
- c2l(in, tin0);
- c2l(in, tin1);
-
- t0 = tin0;
- t1 = tin1;
-
- tin[0] = tin0;
- tin[1] = tin1;
- DES_encrypt1(tin, ks1, 0);
- tin[0] ^= m0;
- tin[1] ^= m1;
- DES_encrypt1(tin, ks2, 1);
- tin[0] ^= m0;
- tin[1] ^= m1;
- DES_encrypt1(tin, ks1, 0);
- tout0 = tin[0];
- tout1 = tin[1];
-
- tout0 ^= xor0;
- tout1 ^= xor1;
- if (l < 0) {
- l2cn(tout0, tout1, out, l + 8);
- } else {
- l2c(tout0, out);
- l2c(tout1, out);
- }
- xor0 = t0;
- xor1 = t1;
- }
-
- iv1 = &(*ivec1)[0];
- l2c(m0, iv1);
- l2c(m1, iv1);
-
- iv2 = &(*ivec2)[0];
- l2c(xor0, iv2);
- l2c(xor1, iv2);
- }
- tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
- tin[0] = tin[1] = 0;
-}
-#endif