abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-08-14 01:53:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

update

Browse Source
This commit is contained in:
Zhi Guan
2015-08-15 15:02:15 +08:00
parent 06df2fab54
commit 3bdc0ea895
2536 changed files with 417052 additions and 271997 deletions
Download Patch File Download Diff File Expand all files Collapse all files

209
crypto/idea/i_cbc.c
View File

@@ -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
@@ -59,110 +59,113 @@
#include <openssl/idea.h>
#include "idea_lcl.h"
void idea_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int encrypt)
{
register unsigned long tin0,tin1;
register unsigned long tout0,tout1,xor0,xor1;
register long l=length;
unsigned long tin[2];
void idea_cbc_encrypt(const unsigned char *in, unsigned char *out,
long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
int encrypt)
{
register unsigned long tin0, tin1;
register unsigned long tout0, tout1, xor0, xor1;
register long l = length;
unsigned long tin[2];
if (encrypt)
{
n2l(iv,tout0);
n2l(iv,tout1);
iv-=8;
for (l-=8; l>=0; l-=8)
{
n2l(in,tin0);
n2l(in,tin1);
tin0^=tout0;
tin1^=tout1;
tin[0]=tin0;
tin[1]=tin1;
idea_encrypt(tin,ks);
tout0=tin[0]; l2n(tout0,out);
tout1=tin[1]; l2n(tout1,out);
}
if (l != -8)
{
n2ln(in,tin0,tin1,l+8);
tin0^=tout0;
tin1^=tout1;
tin[0]=tin0;
tin[1]=tin1;
idea_encrypt(tin,ks);
tout0=tin[0]; l2n(tout0,out);
tout1=tin[1]; l2n(tout1,out);
}
l2n(tout0,iv);
l2n(tout1,iv);
}
else
{
n2l(iv,xor0);
n2l(iv,xor1);
iv-=8;
for (l-=8; l>=0; l-=8)
{
n2l(in,tin0); tin[0]=tin0;
n2l(in,tin1); tin[1]=tin1;
idea_encrypt(tin,ks);
tout0=tin[0]^xor0;
tout1=tin[1]^xor1;
l2n(tout0,out);
l2n(tout1,out);
xor0=tin0;
xor1=tin1;
}
if (l != -8)
{
n2l(in,tin0); tin[0]=tin0;
n2l(in,tin1); tin[1]=tin1;
idea_encrypt(tin,ks);
tout0=tin[0]^xor0;
tout1=tin[1]^xor1;
l2nn(tout0,tout1,out,l+8);
xor0=tin0;
xor1=tin1;
}
l2n(xor0,iv);
l2n(xor1,iv);
}
tin0=tin1=tout0=tout1=xor0=xor1=0;
tin[0]=tin[1]=0;
}
if (encrypt) {
n2l(iv, tout0);
n2l(iv, tout1);
iv -= 8;
for (l -= 8; l >= 0; l -= 8) {
n2l(in, tin0);
n2l(in, tin1);
tin0 ^= tout0;
tin1 ^= tout1;
tin[0] = tin0;
tin[1] = tin1;
idea_encrypt(tin, ks);
tout0 = tin[0];
l2n(tout0, out);
tout1 = tin[1];
l2n(tout1, out);
}
if (l != -8) {
n2ln(in, tin0, tin1, l + 8);
tin0 ^= tout0;
tin1 ^= tout1;
tin[0] = tin0;
tin[1] = tin1;
idea_encrypt(tin, ks);
tout0 = tin[0];
l2n(tout0, out);
tout1 = tin[1];
l2n(tout1, out);
}
l2n(tout0, iv);
l2n(tout1, iv);
} else {
n2l(iv, xor0);
n2l(iv, xor1);
iv -= 8;
for (l -= 8; l >= 0; l -= 8) {
n2l(in, tin0);
tin[0] = tin0;
n2l(in, tin1);
tin[1] = tin1;
idea_encrypt(tin, ks);
tout0 = tin[0] ^ xor0;
tout1 = tin[1] ^ xor1;
l2n(tout0, out);
l2n(tout1, out);
xor0 = tin0;
xor1 = tin1;
}
if (l != -8) {
n2l(in, tin0);
tin[0] = tin0;
n2l(in, tin1);
tin[1] = tin1;
idea_encrypt(tin, ks);
tout0 = tin[0] ^ xor0;
tout1 = tin[1] ^ xor1;
l2nn(tout0, tout1, out, l + 8);
xor0 = tin0;
xor1 = tin1;
}
l2n(xor0, iv);
l2n(xor1, iv);
}
tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
tin[0] = tin[1] = 0;
}
void idea_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key)
{
register IDEA_INT *p;
register unsigned long x1,x2,x3,x4,t0,t1,ul;
{
register IDEA_INT *p;
register unsigned long x1, x2, x3, x4, t0, t1, ul;
x2=d[0];
x1=(x2>>16);
x4=d[1];
x3=(x4>>16);
x2 = d[0];
x1 = (x2 >> 16);
x4 = d[1];
x3 = (x4 >> 16);
p= &(key->data[0][0]);
p = &(key->data[0][0]);
E_IDEA(0);
E_IDEA(1);
E_IDEA(2);
E_IDEA(3);
E_IDEA(4);
E_IDEA(5);
E_IDEA(6);
E_IDEA(7);
E_IDEA(0);
E_IDEA(1);
E_IDEA(2);
E_IDEA(3);
E_IDEA(4);
E_IDEA(5);
E_IDEA(6);
E_IDEA(7);
x1&=0xffff;
idea_mul(x1,x1,*p,ul); p++;
x1 &= 0xffff;
idea_mul(x1, x1, *p, ul);
p++;
t0= x3+ *(p++);
t1= x2+ *(p++);
t0 = x3 + *(p++);
t1 = x2 + *(p++);
x4&=0xffff;
idea_mul(x4,x4,*p,ul);
x4 &= 0xffff;
idea_mul(x4, x4, *p, ul);
d[0]=(t0&0xffff)|((x1&0xffff)<<16);
d[1]=(x4&0xffff)|((t1&0xffff)<<16);
}
d[0] = (t0 & 0xffff) | ((x1 & 0xffff) << 16);
d[1] = (x4 & 0xffff) | ((t1 & 0xffff) << 16);
}