RCSID("$Id$");
-#undef WORDS_BIGENDIAN
-#ifdef AFSBIG_ENDIAN
-#define WORDS_BIGENDIAN 1
-#endif
+
+
+
+
#include "md4.h"
#include "hash.h"
#define X data
void
-MD4_Init (struct md4 *m)
+MD4_Init(struct md4 *m)
{
- m->sz[0] = 0;
- m->sz[1] = 0;
- D = 0x10325476;
- C = 0x98badcfe;
- B = 0xefcdab89;
- A = 0x67452301;
+ m->sz[0] = 0;
+ m->sz[1] = 0;
+ D = 0x10325476;
+ C = 0x98badcfe;
+ B = 0xefcdab89;
+ A = 0x67452301;
}
#define F(x,y,z) CRAYFIX((x & y) | (~x & z))
#define DO3(a,b,c,d,k,s,i) DOIT(a,b,c,d,k,s,i,H)
static inline void
-calc (struct md4 *m, afs_uint32 *data)
+calc(struct md4 *m, afs_uint32 * data)
{
- afs_uint32 AA, BB, CC, DD;
-
- AA = A;
- BB = B;
- CC = C;
- DD = D;
-
- /* Round 1 */
-
- DO1(A,B,C,D,0,3,0);
- DO1(D,A,B,C,1,7,0);
- DO1(C,D,A,B,2,11,0);
- DO1(B,C,D,A,3,19,0);
-
- DO1(A,B,C,D,4,3,0);
- DO1(D,A,B,C,5,7,0);
- DO1(C,D,A,B,6,11,0);
- DO1(B,C,D,A,7,19,0);
-
- DO1(A,B,C,D,8,3,0);
- DO1(D,A,B,C,9,7,0);
- DO1(C,D,A,B,10,11,0);
- DO1(B,C,D,A,11,19,0);
-
- DO1(A,B,C,D,12,3,0);
- DO1(D,A,B,C,13,7,0);
- DO1(C,D,A,B,14,11,0);
- DO1(B,C,D,A,15,19,0);
-
- /* Round 2 */
-
- DO2(A,B,C,D,0,3,0x5A827999);
- DO2(D,A,B,C,4,5,0x5A827999);
- DO2(C,D,A,B,8,9,0x5A827999);
- DO2(B,C,D,A,12,13,0x5A827999);
-
- DO2(A,B,C,D,1,3,0x5A827999);
- DO2(D,A,B,C,5,5,0x5A827999);
- DO2(C,D,A,B,9,9,0x5A827999);
- DO2(B,C,D,A,13,13,0x5A827999);
-
- DO2(A,B,C,D,2,3,0x5A827999);
- DO2(D,A,B,C,6,5,0x5A827999);
- DO2(C,D,A,B,10,9,0x5A827999);
- DO2(B,C,D,A,14,13,0x5A827999);
-
- DO2(A,B,C,D,3,3,0x5A827999);
- DO2(D,A,B,C,7,5,0x5A827999);
- DO2(C,D,A,B,11,9,0x5A827999);
- DO2(B,C,D,A,15,13,0x5A827999);
-
- /* Round 3 */
-
- DO3(A,B,C,D,0,3,0x6ED9EBA1);
- DO3(D,A,B,C,8,9,0x6ED9EBA1);
- DO3(C,D,A,B,4,11,0x6ED9EBA1);
- DO3(B,C,D,A,12,15,0x6ED9EBA1);
-
- DO3(A,B,C,D,2,3,0x6ED9EBA1);
- DO3(D,A,B,C,10,9,0x6ED9EBA1);
- DO3(C,D,A,B,6,11,0x6ED9EBA1);
- DO3(B,C,D,A,14,15,0x6ED9EBA1);
-
- DO3(A,B,C,D,1,3,0x6ED9EBA1);
- DO3(D,A,B,C,9,9,0x6ED9EBA1);
- DO3(C,D,A,B,5,11,0x6ED9EBA1);
- DO3(B,C,D,A,13,15,0x6ED9EBA1);
-
- DO3(A,B,C,D,3,3,0x6ED9EBA1);
- DO3(D,A,B,C,11,9,0x6ED9EBA1);
- DO3(C,D,A,B,7,11,0x6ED9EBA1);
- DO3(B,C,D,A,15,15,0x6ED9EBA1);
-
- A += AA;
- B += BB;
- C += CC;
- D += DD;
+ afs_uint32 AA, BB, CC, DD;
+
+ AA = A;
+ BB = B;
+ CC = C;
+ DD = D;
+
+ /* Round 1 */
+
+ DO1(A, B, C, D, 0, 3, 0);
+ DO1(D, A, B, C, 1, 7, 0);
+ DO1(C, D, A, B, 2, 11, 0);
+ DO1(B, C, D, A, 3, 19, 0);
+
+ DO1(A, B, C, D, 4, 3, 0);
+ DO1(D, A, B, C, 5, 7, 0);
+ DO1(C, D, A, B, 6, 11, 0);
+ DO1(B, C, D, A, 7, 19, 0);
+
+ DO1(A, B, C, D, 8, 3, 0);
+ DO1(D, A, B, C, 9, 7, 0);
+ DO1(C, D, A, B, 10, 11, 0);
+ DO1(B, C, D, A, 11, 19, 0);
+
+ DO1(A, B, C, D, 12, 3, 0);
+ DO1(D, A, B, C, 13, 7, 0);
+ DO1(C, D, A, B, 14, 11, 0);
+ DO1(B, C, D, A, 15, 19, 0);
+
+ /* Round 2 */
+
+ DO2(A, B, C, D, 0, 3, 0x5A827999);
+ DO2(D, A, B, C, 4, 5, 0x5A827999);
+ DO2(C, D, A, B, 8, 9, 0x5A827999);
+ DO2(B, C, D, A, 12, 13, 0x5A827999);
+
+ DO2(A, B, C, D, 1, 3, 0x5A827999);
+ DO2(D, A, B, C, 5, 5, 0x5A827999);
+ DO2(C, D, A, B, 9, 9, 0x5A827999);
+ DO2(B, C, D, A, 13, 13, 0x5A827999);
+
+ DO2(A, B, C, D, 2, 3, 0x5A827999);
+ DO2(D, A, B, C, 6, 5, 0x5A827999);
+ DO2(C, D, A, B, 10, 9, 0x5A827999);
+ DO2(B, C, D, A, 14, 13, 0x5A827999);
+
+ DO2(A, B, C, D, 3, 3, 0x5A827999);
+ DO2(D, A, B, C, 7, 5, 0x5A827999);
+ DO2(C, D, A, B, 11, 9, 0x5A827999);
+ DO2(B, C, D, A, 15, 13, 0x5A827999);
+
+ /* Round 3 */
+
+ DO3(A, B, C, D, 0, 3, 0x6ED9EBA1);
+ DO3(D, A, B, C, 8, 9, 0x6ED9EBA1);
+ DO3(C, D, A, B, 4, 11, 0x6ED9EBA1);
+ DO3(B, C, D, A, 12, 15, 0x6ED9EBA1);
+
+ DO3(A, B, C, D, 2, 3, 0x6ED9EBA1);
+ DO3(D, A, B, C, 10, 9, 0x6ED9EBA1);
+ DO3(C, D, A, B, 6, 11, 0x6ED9EBA1);
+ DO3(B, C, D, A, 14, 15, 0x6ED9EBA1);
+
+ DO3(A, B, C, D, 1, 3, 0x6ED9EBA1);
+ DO3(D, A, B, C, 9, 9, 0x6ED9EBA1);
+ DO3(C, D, A, B, 5, 11, 0x6ED9EBA1);
+ DO3(B, C, D, A, 13, 15, 0x6ED9EBA1);
+
+ DO3(A, B, C, D, 3, 3, 0x6ED9EBA1);
+ DO3(D, A, B, C, 11, 9, 0x6ED9EBA1);
+ DO3(C, D, A, B, 7, 11, 0x6ED9EBA1);
+ DO3(B, C, D, A, 15, 15, 0x6ED9EBA1);
+
+ A += AA;
+ B += BB;
+ C += CC;
+ D += DD;
}
/*
#if defined(WORDS_BIGENDIAN)
static inline afs_uint32
-swap_afs_uint32 (afs_uint32 t)
+swap_afs_uint32(afs_uint32 t)
{
- afs_uint32 temp1, temp2;
-
- temp1 = cshift(t, 16);
- temp2 = temp1 >> 8;
- temp1 &= 0x00ff00ff;
- temp2 &= 0x00ff00ff;
- temp1 <<= 8;
- return temp1 | temp2;
+ afs_uint32 temp1, temp2;
+
+ temp1 = cshift(t, 16);
+ temp2 = temp1 >> 8;
+ temp1 &= 0x00ff00ff;
+ temp2 &= 0x00ff00ff;
+ temp1 <<= 8;
+ return temp1 | temp2;
}
#endif
-struct x32{
- unsigned int a:32;
- unsigned int b:32;
+struct x32 {
+ unsigned int a:32;
+ unsigned int b:32;
};
void
-MD4_Update (struct md4 *m, const void *v, size_t len)
+MD4_Update(struct md4 *m, const void *v, size_t len)
{
const unsigned char *p = v;
size_t old_sz = m->sz[0];
m->sz[0] += len * 8;
if (m->sz[0] < old_sz)
++m->sz[1];
- offset = (old_sz / 8) % 64;
- while(len > 0) {
+ offset = (old_sz / 8) % 64;
+ while (len > 0) {
size_t l = min(len, 64 - offset);
memcpy(m->save + offset, p, l);
offset += l;
p += l;
len -= l;
- if(offset == 64) {
+ if (offset == 64) {
#if defined(WORDS_BIGENDIAN)
int i;
afs_uint32 current[16];
- struct x32 *u = (struct x32*)m->save;
- for(i = 0; i < 8; i++){
- current[2*i+0] = swap_afs_uint32(u[i].a);
- current[2*i+1] = swap_afs_uint32(u[i].b);
+ struct x32 *u = (struct x32 *)m->save;
+ for (i = 0; i < 8; i++) {
+ current[2 * i + 0] = swap_afs_uint32(u[i].a);
+ current[2 * i + 1] = swap_afs_uint32(u[i].b);
}
calc(m, current);
#else
- calc(m, (afs_uint32*)m->save);
+ calc(m, (afs_uint32 *) m->save);
#endif
offset = 0;
}
}
void
-MD4_Final (void *res, struct md4 *m)
+MD4_Final(void *res, struct md4 *m)
{
- static unsigned char zeros[72];
- unsigned offset = (m->sz[0] / 8) % 64;
- unsigned int dstart = (120 - offset - 1) % 64 + 1;
-
- *zeros = 0x80;
- memset (zeros + 1, 0, sizeof(zeros) - 1);
- zeros[dstart+0] = (m->sz[0] >> 0) & 0xff;
- zeros[dstart+1] = (m->sz[0] >> 8) & 0xff;
- zeros[dstart+2] = (m->sz[0] >> 16) & 0xff;
- zeros[dstart+3] = (m->sz[0] >> 24) & 0xff;
- zeros[dstart+4] = (m->sz[1] >> 0) & 0xff;
- zeros[dstart+5] = (m->sz[1] >> 8) & 0xff;
- zeros[dstart+6] = (m->sz[1] >> 16) & 0xff;
- zeros[dstart+7] = (m->sz[1] >> 24) & 0xff;
- MD4_Update (m, zeros, dstart + 8);
- {
- int i;
- unsigned char *r = (unsigned char *)res;
-
- for (i = 0; i < 4; ++i) {
- r[4*i] = m->counter[i] & 0xFF;
- r[4*i+1] = (m->counter[i] >> 8) & 0xFF;
- r[4*i+2] = (m->counter[i] >> 16) & 0xFF;
- r[4*i+3] = (m->counter[i] >> 24) & 0xFF;
- }
- }
+ static unsigned char zeros[72];
+ unsigned offset = (m->sz[0] / 8) % 64;
+ unsigned int dstart = (120 - offset - 1) % 64 + 1;
+
+ *zeros = 0x80;
+ memset(zeros + 1, 0, sizeof(zeros) - 1);
+ zeros[dstart + 0] = (m->sz[0] >> 0) & 0xff;
+ zeros[dstart + 1] = (m->sz[0] >> 8) & 0xff;
+ zeros[dstart + 2] = (m->sz[0] >> 16) & 0xff;
+ zeros[dstart + 3] = (m->sz[0] >> 24) & 0xff;
+ zeros[dstart + 4] = (m->sz[1] >> 0) & 0xff;
+ zeros[dstart + 5] = (m->sz[1] >> 8) & 0xff;
+ zeros[dstart + 6] = (m->sz[1] >> 16) & 0xff;
+ zeros[dstart + 7] = (m->sz[1] >> 24) & 0xff;
+ MD4_Update(m, zeros, dstart + 8);
+ {
+ int i;
+ unsigned char *r = (unsigned char *)res;
+
+ for (i = 0; i < 4; ++i) {
+ r[4 * i] = m->counter[i] & 0xFF;
+ r[4 * i + 1] = (m->counter[i] >> 8) & 0xFF;
+ r[4 * i + 2] = (m->counter[i] >> 16) & 0xFF;
+ r[4 * i + 3] = (m->counter[i] >> 24) & 0xFF;
+ }
+ }
#if 0
- {
- int i;
- afs_uint32 *r = (afs_uint32 *)res;
+ {
+ int i;
+ afs_uint32 *r = (afs_uint32 *) res;
- for (i = 0; i < 4; ++i)
- r[i] = swap_afs_uint32 (m->counter[i]);
- }
+ for (i = 0; i < 4; ++i)
+ r[i] = swap_afs_uint32(m->counter[i]);
+ }
#endif
}
git://git.openafs.org / openafs.git / blobdiff