mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-08-14 01:53:41 +08:00
update
This commit is contained in:
@@ -5,21 +5,21 @@
|
||||
* 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:
|
||||
@@ -34,10 +34,10 @@
|
||||
* 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
|
||||
* 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
|
||||
@@ -49,7 +49,7 @@
|
||||
* 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
|
||||
@@ -60,341 +60,330 @@
|
||||
#include "spr.h"
|
||||
|
||||
void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc)
|
||||
{
|
||||
register DES_LONG l,r,t,u;
|
||||
{
|
||||
register DES_LONG l, r, t, u;
|
||||
#ifdef DES_PTR
|
||||
register const unsigned char *des_SP=(const unsigned char *)DES_SPtrans;
|
||||
register const unsigned char *des_SP = (const unsigned char *)DES_SPtrans;
|
||||
#endif
|
||||
#ifndef DES_UNROLL
|
||||
register int i;
|
||||
register int i;
|
||||
#endif
|
||||
register DES_LONG *s;
|
||||
register DES_LONG *s;
|
||||
|
||||
r=data[0];
|
||||
l=data[1];
|
||||
r = data[0];
|
||||
l = data[1];
|
||||
|
||||
IP(r,l);
|
||||
/* Things have been modified so that the initial rotate is
|
||||
* done outside the loop. This required the
|
||||
* DES_SPtrans values in sp.h to be rotated 1 bit to the right.
|
||||
* One perl script later and things have a 5% speed up on a sparc2.
|
||||
* Thanks to Richard Outerbridge <71755.204@CompuServe.COM>
|
||||
* for pointing this out. */
|
||||
/* clear the top bits on machines with 8byte longs */
|
||||
/* shift left by 2 */
|
||||
r=ROTATE(r,29)&0xffffffffL;
|
||||
l=ROTATE(l,29)&0xffffffffL;
|
||||
IP(r, l);
|
||||
/*
|
||||
* Things have been modified so that the initial rotate is done outside
|
||||
* the loop. This required the DES_SPtrans values in sp.h to be rotated
|
||||
* 1 bit to the right. One perl script later and things have a 5% speed
|
||||
* up on a sparc2. Thanks to Richard Outerbridge
|
||||
* <71755.204@CompuServe.COM> for pointing this out.
|
||||
*/
|
||||
/* clear the top bits on machines with 8byte longs */
|
||||
/* shift left by 2 */
|
||||
r = ROTATE(r, 29) & 0xffffffffL;
|
||||
l = ROTATE(l, 29) & 0xffffffffL;
|
||||
|
||||
s=ks->ks->deslong;
|
||||
/* I don't know if it is worth the effort of loop unrolling the
|
||||
* inner loop */
|
||||
if (enc)
|
||||
{
|
||||
s = ks->ks->deslong;
|
||||
/*
|
||||
* I don't know if it is worth the effort of loop unrolling the inner
|
||||
* loop
|
||||
*/
|
||||
if (enc) {
|
||||
#ifdef DES_UNROLL
|
||||
D_ENCRYPT(l,r, 0); /* 1 */
|
||||
D_ENCRYPT(r,l, 2); /* 2 */
|
||||
D_ENCRYPT(l,r, 4); /* 3 */
|
||||
D_ENCRYPT(r,l, 6); /* 4 */
|
||||
D_ENCRYPT(l,r, 8); /* 5 */
|
||||
D_ENCRYPT(r,l,10); /* 6 */
|
||||
D_ENCRYPT(l,r,12); /* 7 */
|
||||
D_ENCRYPT(r,l,14); /* 8 */
|
||||
D_ENCRYPT(l,r,16); /* 9 */
|
||||
D_ENCRYPT(r,l,18); /* 10 */
|
||||
D_ENCRYPT(l,r,20); /* 11 */
|
||||
D_ENCRYPT(r,l,22); /* 12 */
|
||||
D_ENCRYPT(l,r,24); /* 13 */
|
||||
D_ENCRYPT(r,l,26); /* 14 */
|
||||
D_ENCRYPT(l,r,28); /* 15 */
|
||||
D_ENCRYPT(r,l,30); /* 16 */
|
||||
D_ENCRYPT(l, r, 0); /* 1 */
|
||||
D_ENCRYPT(r, l, 2); /* 2 */
|
||||
D_ENCRYPT(l, r, 4); /* 3 */
|
||||
D_ENCRYPT(r, l, 6); /* 4 */
|
||||
D_ENCRYPT(l, r, 8); /* 5 */
|
||||
D_ENCRYPT(r, l, 10); /* 6 */
|
||||
D_ENCRYPT(l, r, 12); /* 7 */
|
||||
D_ENCRYPT(r, l, 14); /* 8 */
|
||||
D_ENCRYPT(l, r, 16); /* 9 */
|
||||
D_ENCRYPT(r, l, 18); /* 10 */
|
||||
D_ENCRYPT(l, r, 20); /* 11 */
|
||||
D_ENCRYPT(r, l, 22); /* 12 */
|
||||
D_ENCRYPT(l, r, 24); /* 13 */
|
||||
D_ENCRYPT(r, l, 26); /* 14 */
|
||||
D_ENCRYPT(l, r, 28); /* 15 */
|
||||
D_ENCRYPT(r, l, 30); /* 16 */
|
||||
#else
|
||||
for (i=0; i<32; i+=4)
|
||||
{
|
||||
D_ENCRYPT(l,r,i+0); /* 1 */
|
||||
D_ENCRYPT(r,l,i+2); /* 2 */
|
||||
}
|
||||
for (i = 0; i < 32; i += 4) {
|
||||
D_ENCRYPT(l, r, i + 0); /* 1 */
|
||||
D_ENCRYPT(r, l, i + 2); /* 2 */
|
||||
}
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
#ifdef DES_UNROLL
|
||||
D_ENCRYPT(l,r,30); /* 16 */
|
||||
D_ENCRYPT(r,l,28); /* 15 */
|
||||
D_ENCRYPT(l,r,26); /* 14 */
|
||||
D_ENCRYPT(r,l,24); /* 13 */
|
||||
D_ENCRYPT(l,r,22); /* 12 */
|
||||
D_ENCRYPT(r,l,20); /* 11 */
|
||||
D_ENCRYPT(l,r,18); /* 10 */
|
||||
D_ENCRYPT(r,l,16); /* 9 */
|
||||
D_ENCRYPT(l,r,14); /* 8 */
|
||||
D_ENCRYPT(r,l,12); /* 7 */
|
||||
D_ENCRYPT(l,r,10); /* 6 */
|
||||
D_ENCRYPT(r,l, 8); /* 5 */
|
||||
D_ENCRYPT(l,r, 6); /* 4 */
|
||||
D_ENCRYPT(r,l, 4); /* 3 */
|
||||
D_ENCRYPT(l,r, 2); /* 2 */
|
||||
D_ENCRYPT(r,l, 0); /* 1 */
|
||||
D_ENCRYPT(l, r, 30); /* 16 */
|
||||
D_ENCRYPT(r, l, 28); /* 15 */
|
||||
D_ENCRYPT(l, r, 26); /* 14 */
|
||||
D_ENCRYPT(r, l, 24); /* 13 */
|
||||
D_ENCRYPT(l, r, 22); /* 12 */
|
||||
D_ENCRYPT(r, l, 20); /* 11 */
|
||||
D_ENCRYPT(l, r, 18); /* 10 */
|
||||
D_ENCRYPT(r, l, 16); /* 9 */
|
||||
D_ENCRYPT(l, r, 14); /* 8 */
|
||||
D_ENCRYPT(r, l, 12); /* 7 */
|
||||
D_ENCRYPT(l, r, 10); /* 6 */
|
||||
D_ENCRYPT(r, l, 8); /* 5 */
|
||||
D_ENCRYPT(l, r, 6); /* 4 */
|
||||
D_ENCRYPT(r, l, 4); /* 3 */
|
||||
D_ENCRYPT(l, r, 2); /* 2 */
|
||||
D_ENCRYPT(r, l, 0); /* 1 */
|
||||
#else
|
||||
for (i=30; i>0; i-=4)
|
||||
{
|
||||
D_ENCRYPT(l,r,i-0); /* 16 */
|
||||
D_ENCRYPT(r,l,i-2); /* 15 */
|
||||
}
|
||||
for (i = 30; i > 0; i -= 4) {
|
||||
D_ENCRYPT(l, r, i - 0); /* 16 */
|
||||
D_ENCRYPT(r, l, i - 2); /* 15 */
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
/* rotate and clear the top bits on machines with 8byte longs */
|
||||
l=ROTATE(l,3)&0xffffffffL;
|
||||
r=ROTATE(r,3)&0xffffffffL;
|
||||
/* rotate and clear the top bits on machines with 8byte longs */
|
||||
l = ROTATE(l, 3) & 0xffffffffL;
|
||||
r = ROTATE(r, 3) & 0xffffffffL;
|
||||
|
||||
FP(r,l);
|
||||
data[0]=l;
|
||||
data[1]=r;
|
||||
l=r=t=u=0;
|
||||
}
|
||||
FP(r, l);
|
||||
data[0] = l;
|
||||
data[1] = r;
|
||||
l = r = t = u = 0;
|
||||
}
|
||||
|
||||
void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc)
|
||||
{
|
||||
register DES_LONG l,r,t,u;
|
||||
{
|
||||
register DES_LONG l, r, t, u;
|
||||
#ifdef DES_PTR
|
||||
register const unsigned char *des_SP=(const unsigned char *)DES_SPtrans;
|
||||
register const unsigned char *des_SP = (const unsigned char *)DES_SPtrans;
|
||||
#endif
|
||||
#ifndef DES_UNROLL
|
||||
register int i;
|
||||
register int i;
|
||||
#endif
|
||||
register DES_LONG *s;
|
||||
register DES_LONG *s;
|
||||
|
||||
r=data[0];
|
||||
l=data[1];
|
||||
r = data[0];
|
||||
l = data[1];
|
||||
|
||||
/* Things have been modified so that the initial rotate is
|
||||
* done outside the loop. This required the
|
||||
* DES_SPtrans values in sp.h to be rotated 1 bit to the right.
|
||||
* One perl script later and things have a 5% speed up on a sparc2.
|
||||
* Thanks to Richard Outerbridge <71755.204@CompuServe.COM>
|
||||
* for pointing this out. */
|
||||
/* clear the top bits on machines with 8byte longs */
|
||||
r=ROTATE(r,29)&0xffffffffL;
|
||||
l=ROTATE(l,29)&0xffffffffL;
|
||||
/*
|
||||
* Things have been modified so that the initial rotate is done outside
|
||||
* the loop. This required the DES_SPtrans values in sp.h to be rotated
|
||||
* 1 bit to the right. One perl script later and things have a 5% speed
|
||||
* up on a sparc2. Thanks to Richard Outerbridge
|
||||
* <71755.204@CompuServe.COM> for pointing this out.
|
||||
*/
|
||||
/* clear the top bits on machines with 8byte longs */
|
||||
r = ROTATE(r, 29) & 0xffffffffL;
|
||||
l = ROTATE(l, 29) & 0xffffffffL;
|
||||
|
||||
s=ks->ks->deslong;
|
||||
/* I don't know if it is worth the effort of loop unrolling the
|
||||
* inner loop */
|
||||
if (enc)
|
||||
{
|
||||
s = ks->ks->deslong;
|
||||
/*
|
||||
* I don't know if it is worth the effort of loop unrolling the inner
|
||||
* loop
|
||||
*/
|
||||
if (enc) {
|
||||
#ifdef DES_UNROLL
|
||||
D_ENCRYPT(l,r, 0); /* 1 */
|
||||
D_ENCRYPT(r,l, 2); /* 2 */
|
||||
D_ENCRYPT(l,r, 4); /* 3 */
|
||||
D_ENCRYPT(r,l, 6); /* 4 */
|
||||
D_ENCRYPT(l,r, 8); /* 5 */
|
||||
D_ENCRYPT(r,l,10); /* 6 */
|
||||
D_ENCRYPT(l,r,12); /* 7 */
|
||||
D_ENCRYPT(r,l,14); /* 8 */
|
||||
D_ENCRYPT(l,r,16); /* 9 */
|
||||
D_ENCRYPT(r,l,18); /* 10 */
|
||||
D_ENCRYPT(l,r,20); /* 11 */
|
||||
D_ENCRYPT(r,l,22); /* 12 */
|
||||
D_ENCRYPT(l,r,24); /* 13 */
|
||||
D_ENCRYPT(r,l,26); /* 14 */
|
||||
D_ENCRYPT(l,r,28); /* 15 */
|
||||
D_ENCRYPT(r,l,30); /* 16 */
|
||||
D_ENCRYPT(l, r, 0); /* 1 */
|
||||
D_ENCRYPT(r, l, 2); /* 2 */
|
||||
D_ENCRYPT(l, r, 4); /* 3 */
|
||||
D_ENCRYPT(r, l, 6); /* 4 */
|
||||
D_ENCRYPT(l, r, 8); /* 5 */
|
||||
D_ENCRYPT(r, l, 10); /* 6 */
|
||||
D_ENCRYPT(l, r, 12); /* 7 */
|
||||
D_ENCRYPT(r, l, 14); /* 8 */
|
||||
D_ENCRYPT(l, r, 16); /* 9 */
|
||||
D_ENCRYPT(r, l, 18); /* 10 */
|
||||
D_ENCRYPT(l, r, 20); /* 11 */
|
||||
D_ENCRYPT(r, l, 22); /* 12 */
|
||||
D_ENCRYPT(l, r, 24); /* 13 */
|
||||
D_ENCRYPT(r, l, 26); /* 14 */
|
||||
D_ENCRYPT(l, r, 28); /* 15 */
|
||||
D_ENCRYPT(r, l, 30); /* 16 */
|
||||
#else
|
||||
for (i=0; i<32; i+=4)
|
||||
{
|
||||
D_ENCRYPT(l,r,i+0); /* 1 */
|
||||
D_ENCRYPT(r,l,i+2); /* 2 */
|
||||
}
|
||||
for (i = 0; i < 32; i += 4) {
|
||||
D_ENCRYPT(l, r, i + 0); /* 1 */
|
||||
D_ENCRYPT(r, l, i + 2); /* 2 */
|
||||
}
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
#ifdef DES_UNROLL
|
||||
D_ENCRYPT(l,r,30); /* 16 */
|
||||
D_ENCRYPT(r,l,28); /* 15 */
|
||||
D_ENCRYPT(l,r,26); /* 14 */
|
||||
D_ENCRYPT(r,l,24); /* 13 */
|
||||
D_ENCRYPT(l,r,22); /* 12 */
|
||||
D_ENCRYPT(r,l,20); /* 11 */
|
||||
D_ENCRYPT(l,r,18); /* 10 */
|
||||
D_ENCRYPT(r,l,16); /* 9 */
|
||||
D_ENCRYPT(l,r,14); /* 8 */
|
||||
D_ENCRYPT(r,l,12); /* 7 */
|
||||
D_ENCRYPT(l,r,10); /* 6 */
|
||||
D_ENCRYPT(r,l, 8); /* 5 */
|
||||
D_ENCRYPT(l,r, 6); /* 4 */
|
||||
D_ENCRYPT(r,l, 4); /* 3 */
|
||||
D_ENCRYPT(l,r, 2); /* 2 */
|
||||
D_ENCRYPT(r,l, 0); /* 1 */
|
||||
D_ENCRYPT(l, r, 30); /* 16 */
|
||||
D_ENCRYPT(r, l, 28); /* 15 */
|
||||
D_ENCRYPT(l, r, 26); /* 14 */
|
||||
D_ENCRYPT(r, l, 24); /* 13 */
|
||||
D_ENCRYPT(l, r, 22); /* 12 */
|
||||
D_ENCRYPT(r, l, 20); /* 11 */
|
||||
D_ENCRYPT(l, r, 18); /* 10 */
|
||||
D_ENCRYPT(r, l, 16); /* 9 */
|
||||
D_ENCRYPT(l, r, 14); /* 8 */
|
||||
D_ENCRYPT(r, l, 12); /* 7 */
|
||||
D_ENCRYPT(l, r, 10); /* 6 */
|
||||
D_ENCRYPT(r, l, 8); /* 5 */
|
||||
D_ENCRYPT(l, r, 6); /* 4 */
|
||||
D_ENCRYPT(r, l, 4); /* 3 */
|
||||
D_ENCRYPT(l, r, 2); /* 2 */
|
||||
D_ENCRYPT(r, l, 0); /* 1 */
|
||||
#else
|
||||
for (i=30; i>0; i-=4)
|
||||
{
|
||||
D_ENCRYPT(l,r,i-0); /* 16 */
|
||||
D_ENCRYPT(r,l,i-2); /* 15 */
|
||||
}
|
||||
for (i = 30; i > 0; i -= 4) {
|
||||
D_ENCRYPT(l, r, i - 0); /* 16 */
|
||||
D_ENCRYPT(r, l, i - 2); /* 15 */
|
||||
}
|
||||
#endif
|
||||
}
|
||||
/* rotate and clear the top bits on machines with 8byte longs */
|
||||
data[0]=ROTATE(l,3)&0xffffffffL;
|
||||
data[1]=ROTATE(r,3)&0xffffffffL;
|
||||
l=r=t=u=0;
|
||||
}
|
||||
}
|
||||
/* rotate and clear the top bits on machines with 8byte longs */
|
||||
data[0] = ROTATE(l, 3) & 0xffffffffL;
|
||||
data[1] = ROTATE(r, 3) & 0xffffffffL;
|
||||
l = r = t = u = 0;
|
||||
}
|
||||
|
||||
void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,
|
||||
DES_key_schedule *ks2, DES_key_schedule *ks3)
|
||||
{
|
||||
register DES_LONG l,r;
|
||||
DES_key_schedule *ks2, DES_key_schedule *ks3)
|
||||
{
|
||||
register DES_LONG l, r;
|
||||
|
||||
l=data[0];
|
||||
r=data[1];
|
||||
IP(l,r);
|
||||
data[0]=l;
|
||||
data[1]=r;
|
||||
DES_encrypt2((DES_LONG *)data,ks1,DES_ENCRYPT);
|
||||
DES_encrypt2((DES_LONG *)data,ks2,DES_DECRYPT);
|
||||
DES_encrypt2((DES_LONG *)data,ks3,DES_ENCRYPT);
|
||||
l=data[0];
|
||||
r=data[1];
|
||||
FP(r,l);
|
||||
data[0]=l;
|
||||
data[1]=r;
|
||||
}
|
||||
l = data[0];
|
||||
r = data[1];
|
||||
IP(l, r);
|
||||
data[0] = l;
|
||||
data[1] = r;
|
||||
DES_encrypt2((DES_LONG *)data, ks1, DES_ENCRYPT);
|
||||
DES_encrypt2((DES_LONG *)data, ks2, DES_DECRYPT);
|
||||
DES_encrypt2((DES_LONG *)data, ks3, DES_ENCRYPT);
|
||||
l = data[0];
|
||||
r = data[1];
|
||||
FP(r, l);
|
||||
data[0] = l;
|
||||
data[1] = r;
|
||||
}
|
||||
|
||||
void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,
|
||||
DES_key_schedule *ks2, DES_key_schedule *ks3)
|
||||
{
|
||||
register DES_LONG l,r;
|
||||
DES_key_schedule *ks2, DES_key_schedule *ks3)
|
||||
{
|
||||
register DES_LONG l, r;
|
||||
|
||||
l=data[0];
|
||||
r=data[1];
|
||||
IP(l,r);
|
||||
data[0]=l;
|
||||
data[1]=r;
|
||||
DES_encrypt2((DES_LONG *)data,ks3,DES_DECRYPT);
|
||||
DES_encrypt2((DES_LONG *)data,ks2,DES_ENCRYPT);
|
||||
DES_encrypt2((DES_LONG *)data,ks1,DES_DECRYPT);
|
||||
l=data[0];
|
||||
r=data[1];
|
||||
FP(r,l);
|
||||
data[0]=l;
|
||||
data[1]=r;
|
||||
}
|
||||
l = data[0];
|
||||
r = data[1];
|
||||
IP(l, r);
|
||||
data[0] = l;
|
||||
data[1] = r;
|
||||
DES_encrypt2((DES_LONG *)data, ks3, DES_DECRYPT);
|
||||
DES_encrypt2((DES_LONG *)data, ks2, DES_ENCRYPT);
|
||||
DES_encrypt2((DES_LONG *)data, ks1, DES_DECRYPT);
|
||||
l = data[0];
|
||||
r = data[1];
|
||||
FP(r, l);
|
||||
data[0] = l;
|
||||
data[1] = r;
|
||||
}
|
||||
|
||||
#ifndef DES_DEFAULT_OPTIONS
|
||||
|
||||
#undef CBC_ENC_C__DONT_UPDATE_IV
|
||||
#include "ncbc_enc.c" /* DES_ncbc_encrypt */
|
||||
# undef CBC_ENC_C__DONT_UPDATE_IV
|
||||
# include "ncbc_enc.c" /* DES_ncbc_encrypt */
|
||||
|
||||
void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,
|
||||
long length, DES_key_schedule *ks1,
|
||||
DES_key_schedule *ks2, DES_key_schedule *ks3,
|
||||
DES_cblock *ivec, int enc)
|
||||
{
|
||||
register DES_LONG tin0,tin1;
|
||||
register DES_LONG tout0,tout1,xor0,xor1;
|
||||
register const unsigned char *in;
|
||||
unsigned char *out;
|
||||
register long l=length;
|
||||
DES_LONG tin[2];
|
||||
unsigned char *iv;
|
||||
long length, DES_key_schedule *ks1,
|
||||
DES_key_schedule *ks2, DES_key_schedule *ks3,
|
||||
DES_cblock *ivec, int enc)
|
||||
{
|
||||
register DES_LONG tin0, tin1;
|
||||
register DES_LONG tout0, tout1, xor0, xor1;
|
||||
register const unsigned char *in;
|
||||
unsigned char *out;
|
||||
register long l = length;
|
||||
DES_LONG tin[2];
|
||||
unsigned char *iv;
|
||||
|
||||
in=input;
|
||||
out=output;
|
||||
iv = &(*ivec)[0];
|
||||
in = input;
|
||||
out = output;
|
||||
iv = &(*ivec)[0];
|
||||
|
||||
if (enc)
|
||||
{
|
||||
c2l(iv,tout0);
|
||||
c2l(iv,tout1);
|
||||
for (l-=8; l>=0; l-=8)
|
||||
{
|
||||
c2l(in,tin0);
|
||||
c2l(in,tin1);
|
||||
tin0^=tout0;
|
||||
tin1^=tout1;
|
||||
if (enc) {
|
||||
c2l(iv, tout0);
|
||||
c2l(iv, tout1);
|
||||
for (l -= 8; l >= 0; l -= 8) {
|
||||
c2l(in, tin0);
|
||||
c2l(in, tin1);
|
||||
tin0 ^= tout0;
|
||||
tin1 ^= tout1;
|
||||
|
||||
tin[0]=tin0;
|
||||
tin[1]=tin1;
|
||||
DES_encrypt3((DES_LONG *)tin,ks1,ks2,ks3);
|
||||
tout0=tin[0];
|
||||
tout1=tin[1];
|
||||
tin[0] = tin0;
|
||||
tin[1] = tin1;
|
||||
DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3);
|
||||
tout0 = tin[0];
|
||||
tout1 = tin[1];
|
||||
|
||||
l2c(tout0,out);
|
||||
l2c(tout1,out);
|
||||
}
|
||||
if (l != -8)
|
||||
{
|
||||
c2ln(in,tin0,tin1,l+8);
|
||||
tin0^=tout0;
|
||||
tin1^=tout1;
|
||||
l2c(tout0, out);
|
||||
l2c(tout1, out);
|
||||
}
|
||||
if (l != -8) {
|
||||
c2ln(in, tin0, tin1, l + 8);
|
||||
tin0 ^= tout0;
|
||||
tin1 ^= tout1;
|
||||
|
||||
tin[0]=tin0;
|
||||
tin[1]=tin1;
|
||||
DES_encrypt3((DES_LONG *)tin,ks1,ks2,ks3);
|
||||
tout0=tin[0];
|
||||
tout1=tin[1];
|
||||
tin[0] = tin0;
|
||||
tin[1] = tin1;
|
||||
DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3);
|
||||
tout0 = tin[0];
|
||||
tout1 = tin[1];
|
||||
|
||||
l2c(tout0,out);
|
||||
l2c(tout1,out);
|
||||
}
|
||||
iv = &(*ivec)[0];
|
||||
l2c(tout0,iv);
|
||||
l2c(tout1,iv);
|
||||
}
|
||||
else
|
||||
{
|
||||
register DES_LONG t0,t1;
|
||||
l2c(tout0, out);
|
||||
l2c(tout1, out);
|
||||
}
|
||||
iv = &(*ivec)[0];
|
||||
l2c(tout0, iv);
|
||||
l2c(tout1, iv);
|
||||
} else {
|
||||
register DES_LONG t0, t1;
|
||||
|
||||
c2l(iv,xor0);
|
||||
c2l(iv,xor1);
|
||||
for (l-=8; l>=0; l-=8)
|
||||
{
|
||||
c2l(in,tin0);
|
||||
c2l(in,tin1);
|
||||
c2l(iv, xor0);
|
||||
c2l(iv, xor1);
|
||||
for (l -= 8; l >= 0; l -= 8) {
|
||||
c2l(in, tin0);
|
||||
c2l(in, tin1);
|
||||
|
||||
t0=tin0;
|
||||
t1=tin1;
|
||||
t0 = tin0;
|
||||
t1 = tin1;
|
||||
|
||||
tin[0]=tin0;
|
||||
tin[1]=tin1;
|
||||
DES_decrypt3((DES_LONG *)tin,ks1,ks2,ks3);
|
||||
tout0=tin[0];
|
||||
tout1=tin[1];
|
||||
tin[0] = tin0;
|
||||
tin[1] = tin1;
|
||||
DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3);
|
||||
tout0 = tin[0];
|
||||
tout1 = tin[1];
|
||||
|
||||
tout0^=xor0;
|
||||
tout1^=xor1;
|
||||
l2c(tout0,out);
|
||||
l2c(tout1,out);
|
||||
xor0=t0;
|
||||
xor1=t1;
|
||||
}
|
||||
if (l != -8)
|
||||
{
|
||||
c2l(in,tin0);
|
||||
c2l(in,tin1);
|
||||
|
||||
t0=tin0;
|
||||
t1=tin1;
|
||||
tout0 ^= xor0;
|
||||
tout1 ^= xor1;
|
||||
l2c(tout0, out);
|
||||
l2c(tout1, out);
|
||||
xor0 = t0;
|
||||
xor1 = t1;
|
||||
}
|
||||
if (l != -8) {
|
||||
c2l(in, tin0);
|
||||
c2l(in, tin1);
|
||||
|
||||
tin[0]=tin0;
|
||||
tin[1]=tin1;
|
||||
DES_decrypt3((DES_LONG *)tin,ks1,ks2,ks3);
|
||||
tout0=tin[0];
|
||||
tout1=tin[1];
|
||||
|
||||
tout0^=xor0;
|
||||
tout1^=xor1;
|
||||
l2cn(tout0,tout1,out,l+8);
|
||||
xor0=t0;
|
||||
xor1=t1;
|
||||
}
|
||||
t0 = tin0;
|
||||
t1 = tin1;
|
||||
|
||||
iv = &(*ivec)[0];
|
||||
l2c(xor0,iv);
|
||||
l2c(xor1,iv);
|
||||
}
|
||||
tin0=tin1=tout0=tout1=xor0=xor1=0;
|
||||
tin[0]=tin[1]=0;
|
||||
}
|
||||
tin[0] = tin0;
|
||||
tin[1] = tin1;
|
||||
DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3);
|
||||
tout0 = tin[0];
|
||||
tout1 = tin[1];
|
||||
|
||||
#endif /* DES_DEFAULT_OPTIONS */
|
||||
tout0 ^= xor0;
|
||||
tout1 ^= xor1;
|
||||
l2cn(tout0, tout1, out, l + 8);
|
||||
xor0 = t0;
|
||||
xor1 = t1;
|
||||
}
|
||||
|
||||
iv = &(*ivec)[0];
|
||||
l2c(xor0, iv);
|
||||
l2c(xor1, iv);
|
||||
}
|
||||
tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
|
||||
tin[0] = tin[1] = 0;
|
||||
}
|
||||
|
||||
#endif /* DES_DEFAULT_OPTIONS */
|
||||
|
||||
Reference in New Issue
Block a user