Rewrote the transform function

This commit is contained in:
Werner Koch 1998-03-12 13:53:26 +00:00
parent a6a8f1e706
commit 38608ec73a
2 changed files with 317 additions and 236 deletions

View File

@ -171,59 +171,11 @@ rol(int n, u32 x)
static void
transform( RMD160_CONTEXT *hd, byte *data )
{
static int r[80] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 };
static int rr[80] = {
5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 };
static int s[80] = {
11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 };
static int ss[80] = {
8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 };
u32 a,b,c,d,e,aa,bb,cc,dd,ee,t;
int rbits, j;
#ifdef BIG_ENDIAN_HOST
u32 x[16];
#else
u32 *x;
#endif
#define K(a) ( (a) < 16 ? 0x00000000 : \
(a) < 32 ? 0x5A827999 : \
(a) < 48 ? 0x6ED9EBA1 : \
(a) < 64 ? 0x8F1BBCDC : 0xA953FD4E )
#define KK(a) ( (a) < 16 ? 0x50A28BE6 : \
(a) < 32 ? 0x5C4DD124 : \
(a) < 48 ? 0x6D703EF3 : \
(a) < 64 ? 0x7A6D76E9 : 0x00000000 )
#define F0(x,y,z) ( (x) ^ (y) ^ (z) )
#define F1(x,y,z) ( ((x) & (y)) | (~(x) & (z)) )
#define F2(x,y,z) ( ((x) | ~(y)) ^ (z) )
#define F3(x,y,z) ( ((x) & (z)) | ((y) & ~(z)) )
#define F4(x,y,z) ( (x) ^ ((y) | ~(z)) )
#define F(a,x,y,z) ( (a) < 16 ? F0((x),(y),(z)) : \
(a) < 32 ? F1((x),(y),(z)) : \
(a) < 48 ? F2((x),(y),(z)) : \
(a) < 64 ? F3((x),(y),(z)) : \
F4((x),(y),(z)) )
#ifdef BIG_ENDIAN_HOST
{ int i;
byte *p2, *p1;
for(i=0, p1=data, p2=(byte*)x; i < 16; i++, p2 += 4 ) {
@ -234,34 +186,212 @@ transform( RMD160_CONTEXT *hd, byte *data )
}
}
#else
x = (u32*)data;
u32 *x = (u32*)data;
#endif
a = aa = hd->h0;
b = bb = hd->h1;
c = cc = hd->h2;
d = dd = hd->h3;
e = ee = hd->h4;
for(j=0; j < 80; j++ ) {
t = a + F( j, b, c, d ) + x[ r[j] ] + K(j);
rbits = s[j];
a = rol(rbits, t) + e;
c = rol(10,c);
t = a; a = e; e = d; d = c; c = b; b = t;
#define K0 0x00000000
#define K1 0x5A827999
#define K2 0x6ED9EBA1
#define K3 0x8F1BBCDC
#define K4 0xA953FD4E
#define KK0 0x50A28BE6
#define KK1 0x5C4DD124
#define KK2 0x6D703EF3
#define KK3 0x7A6D76E9
#define KK4 0x00000000
#define F0(x,y,z) ( (x) ^ (y) ^ (z) )
#define F1(x,y,z) ( ((x) & (y)) | (~(x) & (z)) )
#define F2(x,y,z) ( ((x) | ~(y)) ^ (z) )
#define F3(x,y,z) ( ((x) & (z)) | ((y) & ~(z)) )
#define F4(x,y,z) ( (x) ^ ((y) | ~(z)) )
#define R(a,b,c,d,e,f,k,r,s) do { t = a + f(b,c,d) + k + x[r]; \
a = rol(s,t) + e; \
c = rol(10,c); \
} while(0)
t = aa + F(79-j, bb, cc, dd ) + x[ rr[j] ] + KK(j);
rbits = ss[j];
aa = rol(rbits, t) + ee;
cc = rol(10,cc);
t = aa; aa = ee; ee = dd; dd = cc; cc = bb; bb = t;
}
/* left lane */
a = hd->h0;
b = hd->h1;
c = hd->h2;
d = hd->h3;
e = hd->h4;
R( a, b, c, d, e, F0, K0, 0, 11 );
R( e, a, b, c, d, F0, K0, 1, 14 );
R( d, e, a, b, c, F0, K0, 2, 15 );
R( c, d, e, a, b, F0, K0, 3, 12 );
R( b, c, d, e, a, F0, K0, 4, 5 );
R( a, b, c, d, e, F0, K0, 5, 8 );
R( e, a, b, c, d, F0, K0, 6, 7 );
R( d, e, a, b, c, F0, K0, 7, 9 );
R( c, d, e, a, b, F0, K0, 8, 11 );
R( b, c, d, e, a, F0, K0, 9, 13 );
R( a, b, c, d, e, F0, K0, 10, 14 );
R( e, a, b, c, d, F0, K0, 11, 15 );
R( d, e, a, b, c, F0, K0, 12, 6 );
R( c, d, e, a, b, F0, K0, 13, 7 );
R( b, c, d, e, a, F0, K0, 14, 9 );
R( a, b, c, d, e, F0, K0, 15, 8 );
R( e, a, b, c, d, F1, K1, 7, 7 );
R( d, e, a, b, c, F1, K1, 4, 6 );
R( c, d, e, a, b, F1, K1, 13, 8 );
R( b, c, d, e, a, F1, K1, 1, 13 );
R( a, b, c, d, e, F1, K1, 10, 11 );
R( e, a, b, c, d, F1, K1, 6, 9 );
R( d, e, a, b, c, F1, K1, 15, 7 );
R( c, d, e, a, b, F1, K1, 3, 15 );
R( b, c, d, e, a, F1, K1, 12, 7 );
R( a, b, c, d, e, F1, K1, 0, 12 );
R( e, a, b, c, d, F1, K1, 9, 15 );
R( d, e, a, b, c, F1, K1, 5, 9 );
R( c, d, e, a, b, F1, K1, 2, 11 );
R( b, c, d, e, a, F1, K1, 14, 7 );
R( a, b, c, d, e, F1, K1, 11, 13 );
R( e, a, b, c, d, F1, K1, 8, 12 );
R( d, e, a, b, c, F2, K2, 3, 11 );
R( c, d, e, a, b, F2, K2, 10, 13 );
R( b, c, d, e, a, F2, K2, 14, 6 );
R( a, b, c, d, e, F2, K2, 4, 7 );
R( e, a, b, c, d, F2, K2, 9, 14 );
R( d, e, a, b, c, F2, K2, 15, 9 );
R( c, d, e, a, b, F2, K2, 8, 13 );
R( b, c, d, e, a, F2, K2, 1, 15 );
R( a, b, c, d, e, F2, K2, 2, 14 );
R( e, a, b, c, d, F2, K2, 7, 8 );
R( d, e, a, b, c, F2, K2, 0, 13 );
R( c, d, e, a, b, F2, K2, 6, 6 );
R( b, c, d, e, a, F2, K2, 13, 5 );
R( a, b, c, d, e, F2, K2, 11, 12 );
R( e, a, b, c, d, F2, K2, 5, 7 );
R( d, e, a, b, c, F2, K2, 12, 5 );
R( c, d, e, a, b, F3, K3, 1, 11 );
R( b, c, d, e, a, F3, K3, 9, 12 );
R( a, b, c, d, e, F3, K3, 11, 14 );
R( e, a, b, c, d, F3, K3, 10, 15 );
R( d, e, a, b, c, F3, K3, 0, 14 );
R( c, d, e, a, b, F3, K3, 8, 15 );
R( b, c, d, e, a, F3, K3, 12, 9 );
R( a, b, c, d, e, F3, K3, 4, 8 );
R( e, a, b, c, d, F3, K3, 13, 9 );
R( d, e, a, b, c, F3, K3, 3, 14 );
R( c, d, e, a, b, F3, K3, 7, 5 );
R( b, c, d, e, a, F3, K3, 15, 6 );
R( a, b, c, d, e, F3, K3, 14, 8 );
R( e, a, b, c, d, F3, K3, 5, 6 );
R( d, e, a, b, c, F3, K3, 6, 5 );
R( c, d, e, a, b, F3, K3, 2, 12 );
R( b, c, d, e, a, F4, K4, 4, 9 );
R( a, b, c, d, e, F4, K4, 0, 15 );
R( e, a, b, c, d, F4, K4, 5, 5 );
R( d, e, a, b, c, F4, K4, 9, 11 );
R( c, d, e, a, b, F4, K4, 7, 6 );
R( b, c, d, e, a, F4, K4, 12, 8 );
R( a, b, c, d, e, F4, K4, 2, 13 );
R( e, a, b, c, d, F4, K4, 10, 12 );
R( d, e, a, b, c, F4, K4, 14, 5 );
R( c, d, e, a, b, F4, K4, 1, 12 );
R( b, c, d, e, a, F4, K4, 3, 13 );
R( a, b, c, d, e, F4, K4, 8, 14 );
R( e, a, b, c, d, F4, K4, 11, 11 );
R( d, e, a, b, c, F4, K4, 6, 8 );
R( c, d, e, a, b, F4, K4, 15, 5 );
R( b, c, d, e, a, F4, K4, 13, 6 );
t = hd->h1 + c + dd;
hd->h1 = hd->h2 + d + ee;
hd->h2 = hd->h3 + e + aa;
hd->h3 = hd->h4 + a + bb;
hd->h4 = hd->h0 + b + cc;
aa = a; bb = b; cc = c; dd = d; ee = e;
/* right lane */
a = hd->h0;
b = hd->h1;
c = hd->h2;
d = hd->h3;
e = hd->h4;
R( a, b, c, d, e, F4, KK0, 5, 8);
R( e, a, b, c, d, F4, KK0, 14, 9);
R( d, e, a, b, c, F4, KK0, 7, 9);
R( c, d, e, a, b, F4, KK0, 0, 11);
R( b, c, d, e, a, F4, KK0, 9, 13);
R( a, b, c, d, e, F4, KK0, 2, 15);
R( e, a, b, c, d, F4, KK0, 11, 15);
R( d, e, a, b, c, F4, KK0, 4, 5);
R( c, d, e, a, b, F4, KK0, 13, 7);
R( b, c, d, e, a, F4, KK0, 6, 7);
R( a, b, c, d, e, F4, KK0, 15, 8);
R( e, a, b, c, d, F4, KK0, 8, 11);
R( d, e, a, b, c, F4, KK0, 1, 14);
R( c, d, e, a, b, F4, KK0, 10, 14);
R( b, c, d, e, a, F4, KK0, 3, 12);
R( a, b, c, d, e, F4, KK0, 12, 6);
R( e, a, b, c, d, F3, KK1, 6, 9);
R( d, e, a, b, c, F3, KK1, 11, 13);
R( c, d, e, a, b, F3, KK1, 3, 15);
R( b, c, d, e, a, F3, KK1, 7, 7);
R( a, b, c, d, e, F3, KK1, 0, 12);
R( e, a, b, c, d, F3, KK1, 13, 8);
R( d, e, a, b, c, F3, KK1, 5, 9);
R( c, d, e, a, b, F3, KK1, 10, 11);
R( b, c, d, e, a, F3, KK1, 14, 7);
R( a, b, c, d, e, F3, KK1, 15, 7);
R( e, a, b, c, d, F3, KK1, 8, 12);
R( d, e, a, b, c, F3, KK1, 12, 7);
R( c, d, e, a, b, F3, KK1, 4, 6);
R( b, c, d, e, a, F3, KK1, 9, 15);
R( a, b, c, d, e, F3, KK1, 1, 13);
R( e, a, b, c, d, F3, KK1, 2, 11);
R( d, e, a, b, c, F2, KK2, 15, 9);
R( c, d, e, a, b, F2, KK2, 5, 7);
R( b, c, d, e, a, F2, KK2, 1, 15);
R( a, b, c, d, e, F2, KK2, 3, 11);
R( e, a, b, c, d, F2, KK2, 7, 8);
R( d, e, a, b, c, F2, KK2, 14, 6);
R( c, d, e, a, b, F2, KK2, 6, 6);
R( b, c, d, e, a, F2, KK2, 9, 14);
R( a, b, c, d, e, F2, KK2, 11, 12);
R( e, a, b, c, d, F2, KK2, 8, 13);
R( d, e, a, b, c, F2, KK2, 12, 5);
R( c, d, e, a, b, F2, KK2, 2, 14);
R( b, c, d, e, a, F2, KK2, 10, 13);
R( a, b, c, d, e, F2, KK2, 0, 13);
R( e, a, b, c, d, F2, KK2, 4, 7);
R( d, e, a, b, c, F2, KK2, 13, 5);
R( c, d, e, a, b, F1, KK3, 8, 15);
R( b, c, d, e, a, F1, KK3, 6, 5);
R( a, b, c, d, e, F1, KK3, 4, 8);
R( e, a, b, c, d, F1, KK3, 1, 11);
R( d, e, a, b, c, F1, KK3, 3, 14);
R( c, d, e, a, b, F1, KK3, 11, 14);
R( b, c, d, e, a, F1, KK3, 15, 6);
R( a, b, c, d, e, F1, KK3, 0, 14);
R( e, a, b, c, d, F1, KK3, 5, 6);
R( d, e, a, b, c, F1, KK3, 12, 9);
R( c, d, e, a, b, F1, KK3, 2, 12);
R( b, c, d, e, a, F1, KK3, 13, 9);
R( a, b, c, d, e, F1, KK3, 9, 12);
R( e, a, b, c, d, F1, KK3, 7, 5);
R( d, e, a, b, c, F1, KK3, 10, 15);
R( c, d, e, a, b, F1, KK3, 14, 8);
R( b, c, d, e, a, F0, KK4, 12, 8);
R( a, b, c, d, e, F0, KK4, 15, 5);
R( e, a, b, c, d, F0, KK4, 10, 12);
R( d, e, a, b, c, F0, KK4, 4, 9);
R( c, d, e, a, b, F0, KK4, 1, 12);
R( b, c, d, e, a, F0, KK4, 5, 5);
R( a, b, c, d, e, F0, KK4, 8, 14);
R( e, a, b, c, d, F0, KK4, 7, 6);
R( d, e, a, b, c, F0, KK4, 6, 8);
R( c, d, e, a, b, F0, KK4, 2, 13);
R( b, c, d, e, a, F0, KK4, 13, 6);
R( a, b, c, d, e, F0, KK4, 14, 5);
R( e, a, b, c, d, F0, KK4, 0, 15);
R( d, e, a, b, c, F0, KK4, 3, 13);
R( c, d, e, a, b, F0, KK4, 9, 11);
R( b, c, d, e, a, F0, KK4, 11, 11);
t = hd->h1 + d + cc;
hd->h1 = hd->h2 + e + dd;
hd->h2 = hd->h3 + a + ee;
hd->h3 = hd->h4 + b + aa;
hd->h4 = hd->h0 + c + bb;
hd->h0 = t;
}

View File

@ -20,52 +20,6 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
/* I took the code for transform() from the Linux kernel
* (/usr/src/linux/drivers/char/random.c) which has
*
* a) This notice:
* ---------------
* SHA transform algorithm, taken from code written by Peter Gutman,
* and apparently in the public domain.
*
* b) This copyright notice:
* -------------------------
* Version 1.00, last modified 26-May-96
*
* Copyright Theodore Ts'o, 1994, 1995, 1996. 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, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* ALTERNATIVELY, this product may be distributed under the terms of
* the GNU Public License, in which case the provisions of the GPL are
* required INSTEAD OF the above restrictions. (This clause is
* necessary due to a potential bad interaction between the GPL and
* the restrictions contained in a BSD-style copyright.)
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
*/
/* Test vectors:
*
@ -87,17 +41,6 @@
#include "sha1.h"
/* The SHA f()-functions. */
#define f1(x,y,z) ( z ^ ( x & ( y ^ z ) ) ) /* Rounds 0-19 */
#define f2(x,y,z) ( x ^ y ^ z ) /* Rounds 20-39 */
#define f3(x,y,z) ( ( x & y ) | ( z & ( x | y ) ) ) /* Rounds 40-59 */
#define f4(x,y,z) ( x ^ y ^ z ) /* Rounds 60-79 */
/* The SHA Mysterious Constants */
#define K1 0x5A827999L /* Rounds 0-19 */
#define K2 0x6ED9EBA1L /* Rounds 20-39 */
#define K3 0x8F1BBCDCL /* Rounds 40-59 */
#define K4 0xCA62C1D6L /* Rounds 60-79 */
#if defined(__GNUC__) && defined(__i386__)
@ -116,15 +59,6 @@ rol(int n, u32 x)
#define expand(W,i) ( W[ i & 15 ] = \
rol( 1, ( W[ i & 15 ] ^ W[ (i - 14) & 15 ] ^ \
W[ (i - 8) & 15 ] ^ W[ (i - 3) & 15 ] ) ) )
#define subRound(a, b, c, d, e, f, k, data) \
( e += rol( 5, a ) + f( b, c, d ) + k + data, b = rol( 30, b ) )
void
sha1_init( SHA1_CONTEXT *hd )
{
@ -144,22 +78,22 @@ sha1_init( SHA1_CONTEXT *hd )
static void
transform( SHA1_CONTEXT *hd, byte *data )
{
u32 A, B, C, D, E; /* Local vars */
u32 eData[ 16 ]; /* Expanded data */
u32 a,b,c,d,e,tm;
u32 x[16];
/* Set up first buffer and local data buffer */
A = hd->h0;
B = hd->h1;
C = hd->h2;
D = hd->h3;
E = hd->h4;
/* get values from the chaining vars */
a = hd->h0;
b = hd->h1;
c = hd->h2;
d = hd->h3;
e = hd->h4;
#ifdef BIG_ENDIAN_HOST
memcpy( eData, data, 64 );
memcpy( x, data, 64 );
#else
{ int i;
byte *p2;
for(i=0, p2=(byte*)eData; i < 16; i++, p2 += 4 ) {
for(i=0, p2=(byte*)x; i < 16; i++, p2 += 4 ) {
p2[3] = *data++;
p2[2] = *data++;
p2[1] = *data++;
@ -168,97 +102,114 @@ transform( SHA1_CONTEXT *hd, byte *data )
}
#endif
/* Heavy mangling, in 4 sub-rounds of 20 iterations each. */
subRound( A, B, C, D, E, f1, K1, eData[ 0 ] );
subRound( E, A, B, C, D, f1, K1, eData[ 1 ] );
subRound( D, E, A, B, C, f1, K1, eData[ 2 ] );
subRound( C, D, E, A, B, f1, K1, eData[ 3 ] );
subRound( B, C, D, E, A, f1, K1, eData[ 4 ] );
subRound( A, B, C, D, E, f1, K1, eData[ 5 ] );
subRound( E, A, B, C, D, f1, K1, eData[ 6 ] );
subRound( D, E, A, B, C, f1, K1, eData[ 7 ] );
subRound( C, D, E, A, B, f1, K1, eData[ 8 ] );
subRound( B, C, D, E, A, f1, K1, eData[ 9 ] );
subRound( A, B, C, D, E, f1, K1, eData[ 10 ] );
subRound( E, A, B, C, D, f1, K1, eData[ 11 ] );
subRound( D, E, A, B, C, f1, K1, eData[ 12 ] );
subRound( C, D, E, A, B, f1, K1, eData[ 13 ] );
subRound( B, C, D, E, A, f1, K1, eData[ 14 ] );
subRound( A, B, C, D, E, f1, K1, eData[ 15 ] );
subRound( E, A, B, C, D, f1, K1, expand( eData, 16 ) );
subRound( D, E, A, B, C, f1, K1, expand( eData, 17 ) );
subRound( C, D, E, A, B, f1, K1, expand( eData, 18 ) );
subRound( B, C, D, E, A, f1, K1, expand( eData, 19 ) );
subRound( A, B, C, D, E, f2, K2, expand( eData, 20 ) );
subRound( E, A, B, C, D, f2, K2, expand( eData, 21 ) );
subRound( D, E, A, B, C, f2, K2, expand( eData, 22 ) );
subRound( C, D, E, A, B, f2, K2, expand( eData, 23 ) );
subRound( B, C, D, E, A, f2, K2, expand( eData, 24 ) );
subRound( A, B, C, D, E, f2, K2, expand( eData, 25 ) );
subRound( E, A, B, C, D, f2, K2, expand( eData, 26 ) );
subRound( D, E, A, B, C, f2, K2, expand( eData, 27 ) );
subRound( C, D, E, A, B, f2, K2, expand( eData, 28 ) );
subRound( B, C, D, E, A, f2, K2, expand( eData, 29 ) );
subRound( A, B, C, D, E, f2, K2, expand( eData, 30 ) );
subRound( E, A, B, C, D, f2, K2, expand( eData, 31 ) );
subRound( D, E, A, B, C, f2, K2, expand( eData, 32 ) );
subRound( C, D, E, A, B, f2, K2, expand( eData, 33 ) );
subRound( B, C, D, E, A, f2, K2, expand( eData, 34 ) );
subRound( A, B, C, D, E, f2, K2, expand( eData, 35 ) );
subRound( E, A, B, C, D, f2, K2, expand( eData, 36 ) );
subRound( D, E, A, B, C, f2, K2, expand( eData, 37 ) );
subRound( C, D, E, A, B, f2, K2, expand( eData, 38 ) );
subRound( B, C, D, E, A, f2, K2, expand( eData, 39 ) );
#define K1 0x5A827999L
#define K2 0x6ED9EBA1L
#define K3 0x8F1BBCDCL
#define K4 0xCA62C1D6L
#define F1(x,y,z) ( z ^ ( x & ( y ^ z ) ) )
#define F2(x,y,z) ( x ^ y ^ z )
#define F3(x,y,z) ( ( x & y ) | ( z & ( x | y ) ) )
#define F4(x,y,z) ( x ^ y ^ z )
subRound( A, B, C, D, E, f3, K3, expand( eData, 40 ) );
subRound( E, A, B, C, D, f3, K3, expand( eData, 41 ) );
subRound( D, E, A, B, C, f3, K3, expand( eData, 42 ) );
subRound( C, D, E, A, B, f3, K3, expand( eData, 43 ) );
subRound( B, C, D, E, A, f3, K3, expand( eData, 44 ) );
subRound( A, B, C, D, E, f3, K3, expand( eData, 45 ) );
subRound( E, A, B, C, D, f3, K3, expand( eData, 46 ) );
subRound( D, E, A, B, C, f3, K3, expand( eData, 47 ) );
subRound( C, D, E, A, B, f3, K3, expand( eData, 48 ) );
subRound( B, C, D, E, A, f3, K3, expand( eData, 49 ) );
subRound( A, B, C, D, E, f3, K3, expand( eData, 50 ) );
subRound( E, A, B, C, D, f3, K3, expand( eData, 51 ) );
subRound( D, E, A, B, C, f3, K3, expand( eData, 52 ) );
subRound( C, D, E, A, B, f3, K3, expand( eData, 53 ) );
subRound( B, C, D, E, A, f3, K3, expand( eData, 54 ) );
subRound( A, B, C, D, E, f3, K3, expand( eData, 55 ) );
subRound( E, A, B, C, D, f3, K3, expand( eData, 56 ) );
subRound( D, E, A, B, C, f3, K3, expand( eData, 57 ) );
subRound( C, D, E, A, B, f3, K3, expand( eData, 58 ) );
subRound( B, C, D, E, A, f3, K3, expand( eData, 59 ) );
subRound( A, B, C, D, E, f4, K4, expand( eData, 60 ) );
subRound( E, A, B, C, D, f4, K4, expand( eData, 61 ) );
subRound( D, E, A, B, C, f4, K4, expand( eData, 62 ) );
subRound( C, D, E, A, B, f4, K4, expand( eData, 63 ) );
subRound( B, C, D, E, A, f4, K4, expand( eData, 64 ) );
subRound( A, B, C, D, E, f4, K4, expand( eData, 65 ) );
subRound( E, A, B, C, D, f4, K4, expand( eData, 66 ) );
subRound( D, E, A, B, C, f4, K4, expand( eData, 67 ) );
subRound( C, D, E, A, B, f4, K4, expand( eData, 68 ) );
subRound( B, C, D, E, A, f4, K4, expand( eData, 69 ) );
subRound( A, B, C, D, E, f4, K4, expand( eData, 70 ) );
subRound( E, A, B, C, D, f4, K4, expand( eData, 71 ) );
subRound( D, E, A, B, C, f4, K4, expand( eData, 72 ) );
subRound( C, D, E, A, B, f4, K4, expand( eData, 73 ) );
subRound( B, C, D, E, A, f4, K4, expand( eData, 74 ) );
subRound( A, B, C, D, E, f4, K4, expand( eData, 75 ) );
subRound( E, A, B, C, D, f4, K4, expand( eData, 76 ) );
subRound( D, E, A, B, C, f4, K4, expand( eData, 77 ) );
subRound( C, D, E, A, B, f4, K4, expand( eData, 78 ) );
subRound( B, C, D, E, A, f4, K4, expand( eData, 79 ) );
#define M(i) ( tm = x[i&0x0f] ^ x[(i-14)&0x0f] \
^ x[(i-8)&0x0f] ^ x[(i-3)&0x0f] \
, (x[i&0x0f] = (tm << 1) | (tm >> 31)) )
/* Build message digest */
hd->h0 += A;
hd->h1 += B;
hd->h2 += C;
hd->h3 += D;
hd->h4 += E;
#define R(a,b,c,d,e,f,k,m) do { e += rol( 5, a ) \
+ f( b, c, d ) \
+ k \
+ m; \
b = rol( 30, b ); \
} while(0)
R( a, b, c, d, e, F1, K1, x[ 0] );
R( e, a, b, c, d, F1, K1, x[ 1] );
R( d, e, a, b, c, F1, K1, x[ 2] );
R( c, d, e, a, b, F1, K1, x[ 3] );
R( b, c, d, e, a, F1, K1, x[ 4] );
R( a, b, c, d, e, F1, K1, x[ 5] );
R( e, a, b, c, d, F1, K1, x[ 6] );
R( d, e, a, b, c, F1, K1, x[ 7] );
R( c, d, e, a, b, F1, K1, x[ 8] );
R( b, c, d, e, a, F1, K1, x[ 9] );
R( a, b, c, d, e, F1, K1, x[10] );
R( e, a, b, c, d, F1, K1, x[11] );
R( d, e, a, b, c, F1, K1, x[12] );
R( c, d, e, a, b, F1, K1, x[13] );
R( b, c, d, e, a, F1, K1, x[14] );
R( a, b, c, d, e, F1, K1, x[15] );
R( e, a, b, c, d, F1, K1, M(16) );
R( d, e, a, b, c, F1, K1, M(17) );
R( c, d, e, a, b, F1, K1, M(18) );
R( b, c, d, e, a, F1, K1, M(19) );
R( a, b, c, d, e, F2, K2, M(20) );
R( e, a, b, c, d, F2, K2, M(21) );
R( d, e, a, b, c, F2, K2, M(22) );
R( c, d, e, a, b, F2, K2, M(23) );
R( b, c, d, e, a, F2, K2, M(24) );
R( a, b, c, d, e, F2, K2, M(25) );
R( e, a, b, c, d, F2, K2, M(26) );
R( d, e, a, b, c, F2, K2, M(27) );
R( c, d, e, a, b, F2, K2, M(28) );
R( b, c, d, e, a, F2, K2, M(29) );
R( a, b, c, d, e, F2, K2, M(30) );
R( e, a, b, c, d, F2, K2, M(31) );
R( d, e, a, b, c, F2, K2, M(32) );
R( c, d, e, a, b, F2, K2, M(33) );
R( b, c, d, e, a, F2, K2, M(34) );
R( a, b, c, d, e, F2, K2, M(35) );
R( e, a, b, c, d, F2, K2, M(36) );
R( d, e, a, b, c, F2, K2, M(37) );
R( c, d, e, a, b, F2, K2, M(38) );
R( b, c, d, e, a, F2, K2, M(39) );
R( a, b, c, d, e, F3, K3, M(40) );
R( e, a, b, c, d, F3, K3, M(41) );
R( d, e, a, b, c, F3, K3, M(42) );
R( c, d, e, a, b, F3, K3, M(43) );
R( b, c, d, e, a, F3, K3, M(44) );
R( a, b, c, d, e, F3, K3, M(45) );
R( e, a, b, c, d, F3, K3, M(46) );
R( d, e, a, b, c, F3, K3, M(47) );
R( c, d, e, a, b, F3, K3, M(48) );
R( b, c, d, e, a, F3, K3, M(49) );
R( a, b, c, d, e, F3, K3, M(50) );
R( e, a, b, c, d, F3, K3, M(51) );
R( d, e, a, b, c, F3, K3, M(52) );
R( c, d, e, a, b, F3, K3, M(53) );
R( b, c, d, e, a, F3, K3, M(54) );
R( a, b, c, d, e, F3, K3, M(55) );
R( e, a, b, c, d, F3, K3, M(56) );
R( d, e, a, b, c, F3, K3, M(57) );
R( c, d, e, a, b, F3, K3, M(58) );
R( b, c, d, e, a, F3, K3, M(59) );
R( a, b, c, d, e, F4, K4, M(60) );
R( e, a, b, c, d, F4, K4, M(61) );
R( d, e, a, b, c, F4, K4, M(62) );
R( c, d, e, a, b, F4, K4, M(63) );
R( b, c, d, e, a, F4, K4, M(64) );
R( a, b, c, d, e, F4, K4, M(65) );
R( e, a, b, c, d, F4, K4, M(66) );
R( d, e, a, b, c, F4, K4, M(67) );
R( c, d, e, a, b, F4, K4, M(68) );
R( b, c, d, e, a, F4, K4, M(69) );
R( a, b, c, d, e, F4, K4, M(70) );
R( e, a, b, c, d, F4, K4, M(71) );
R( d, e, a, b, c, F4, K4, M(72) );
R( c, d, e, a, b, F4, K4, M(73) );
R( b, c, d, e, a, F4, K4, M(74) );
R( a, b, c, d, e, F4, K4, M(75) );
R( e, a, b, c, d, F4, K4, M(76) );
R( d, e, a, b, c, F4, K4, M(77) );
R( c, d, e, a, b, F4, K4, M(78) );
R( b, c, d, e, a, F4, K4, M(79) );
/* update chainig vars */
hd->h0 += a;
hd->h1 += b;
hd->h2 += c;
hd->h3 += d;
hd->h4 += e;
}