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This commit is contained in:
purplerain 2023-07-10 00:10:46 +00:00
parent 2a351e0cdc
commit f57be82572
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
704 changed files with 20524 additions and 10572 deletions
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224
lib/libcrypto/des/ede_cbcm_enc.c
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@ -1,4 +1,4 @@
/* $OpenBSD: ede_cbcm_enc.c,v 1.7 2022/11/26 16:08:51 tb Exp $ */
/* $OpenBSD: ede_cbcm_enc.c,v 1.9 2023/07/08 07:34:34 jsing Exp $ */
/* Written by Ben Laurie <ben@algroup.co.uk> for the OpenSSL
* project 13 Feb 1999.
*/
@ -10,7 +10,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 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
@ -73,127 +73,117 @@ http://www.cs.technion.ac.il/users/wwwb/cgi-bin/tr-get.cgi/1998/CS/CS0928.ps.gz
#ifndef OPENSSL_NO_DESCBCM
#include "des_local.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)
{
DES_LONG tin0,tin1;
DES_LONG tout0,tout1,xor0,xor1,m0,m1;
long l=length;
DES_LONG tin[2];
unsigned char *iv1,*iv2;
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)
{
DES_LONG tin0, tin1;
DES_LONG tout0, tout1, xor0, xor1, m0, m1;
long l = length;
DES_LONG tin[2];
unsigned char *iv1, *iv2;
iv1 = &(*ivec1)[0];
iv2 = &(*ivec2)[0];
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 (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);
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);
}
else
{
c2l(in,tin0);
c2l(in,tin1);
iv1 = &(*ivec1)[0];
l2c(m0, iv1);
l2c(m1, iv1);
iv2 = &(*ivec2)[0];
l2c(tout0, iv2);
l2c(tout1, iv2);
} else {
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;
}
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];
iv1 = &(*ivec1)[0];
l2c(m0, iv1);
l2c(m1, iv1);
l2c(tout0,out);
l2c(tout1,out);
}
iv1=&(*ivec1)[0];
l2c(m0,iv1);
l2c(m1,iv1);
iv2=&(*ivec2)[0];
l2c(tout0,iv2);
l2c(tout1,iv2);
iv2 = &(*ivec2)[0];
l2c(xor0, iv2);
l2c(xor1, iv2);
}
else
{
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;
}
tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
tin[0] = tin[1] = 0;
}
#endif