diff options
Diffstat (limited to 'drivers/builtin_openssl/crypto/des/ede_cbcm_enc.c')
| -rw-r--r-- | drivers/builtin_openssl/crypto/des/ede_cbcm_enc.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/drivers/builtin_openssl/crypto/des/ede_cbcm_enc.c b/drivers/builtin_openssl/crypto/des/ede_cbcm_enc.c deleted file mode 100644 index adfcb75cf3..0000000000 --- a/drivers/builtin_openssl/crypto/des/ede_cbcm_enc.c +++ /dev/null @@ -1,199 +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 |