#include "os.h" #include <libsec.h> #define BYTES_TO_DWORD(strptr) \ (((u32int) *((strptr)+3) << 24) | \ ((u32int) *((strptr)+2) << 16) | \ ((u32int) *((strptr)+1) << 8) | \ ((u32int) *(strptr))) #define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n)))) /* the five basic functions F(), G() and H() */#define F(x, y, z) ((x) ^ (y) ^ (z)) #define G(x, y, z) (((x) & (y)) | (~(x) & (z))) #define H(x, y, z) (((x) | ~(y)) ^ (z))#define I(x, y, z) (((x) & (z)) | ((y) & ~(z))) #define J(x, y, z) ((x) ^ ((y) | ~(z))) /* the ten basic operations FF() through III() */#define FF(a, b, c, d, e, x, s) {\ (a) += F((b), (c), (d)) + (x);\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define GG(a, b, c, d, e, x, s) {\ (a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define HH(a, b, c, d, e, x, s) {\ (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define II(a, b, c, d, e, x, s) {\ (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define JJ(a, b, c, d, e, x, s) {\ (a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define FFF(a, b, c, d, e, x, s) {\ (a) += F((b), (c), (d)) + (x);\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define GGG(a, b, c, d, e, x, s) {\ (a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define HHH(a, b, c, d, e, x, s) {\ (a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define III(a, b, c, d, e, x, s) {\ (a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ }#define JJJ(a, b, c, d, e, x, s) {\ (a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\ (a) = ROL((a), (s)) + (e);\ (c) = ROL((c), 10);\ } static void MDinit(u32int *MDbuf){ MDbuf[0] = 0x67452301UL; MDbuf[1] = 0xefcdab89UL; MDbuf[2] = 0x98badcfeUL; MDbuf[3] = 0x10325476UL; MDbuf[4] = 0xc3d2e1f0UL; return;} static void compress(u32int *MDbuf, u32int *X){ u32int aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2], dd = MDbuf[3], ee = MDbuf[4]; u32int aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2], ddd = MDbuf[3], eee = MDbuf[4]; /* round 1 */ FF(aa, bb, cc, dd, ee, X[ 0], 11); FF(ee, aa, bb, cc, dd, X[ 1], 14); FF(dd, ee, aa, bb, cc, X[ 2], 15); FF(cc, dd, ee, aa, bb, X[ 3], 12); FF(bb, cc, dd, ee, aa, X[ 4], 5); FF(aa, bb, cc, dd, ee, X[ 5], 8); FF(ee, aa, bb, cc, dd, X[ 6], 7); FF(dd, ee, aa, bb, cc, X[ 7], 9); FF(cc, dd, ee, aa, bb, X[ 8], 11); FF(bb, cc, dd, ee, aa, X[ 9], 13); FF(aa, bb, cc, dd, ee, X[10], 14); FF(ee, aa, bb, cc, dd, X[11], 15); FF(dd, ee, aa, bb, cc, X[12], 6); FF(cc, dd, ee, aa, bb, X[13], 7); FF(bb, cc, dd, ee, aa, X[14], 9); FF(aa, bb, cc, dd, ee, X[15], 8); /* round 2 */ GG(ee, aa, bb, cc, dd, X[ 7], 7); GG(dd, ee, aa, bb, cc, X[ 4], 6); GG(cc, dd, ee, aa, bb, X[13], 8); GG(bb, cc, dd, ee, aa, X[ 1], 13); GG(aa, bb, cc, dd, ee, X[10], 11); GG(ee, aa, bb, cc, dd, X[ 6], 9); GG(dd, ee, aa, bb, cc, X[15], 7); GG(cc, dd, ee, aa, bb, X[ 3], 15); GG(bb, cc, dd, ee, aa, X[12], 7); GG(aa, bb, cc, dd, ee, X[ 0], 12); GG(ee, aa, bb, cc, dd, X[ 9], 15); GG(dd, ee, aa, bb, cc, X[ 5], 9); GG(cc, dd, ee, aa, bb, X[ 2], 11); GG(bb, cc, dd, ee, aa, X[14], 7); GG(aa, bb, cc, dd, ee, X[11], 13); GG(ee, aa, bb, cc, dd, X[ 8], 12); /* round 3 */ HH(dd, ee, aa, bb, cc, X[ 3], 11); HH(cc, dd, ee, aa, bb, X[10], 13); HH(bb, cc, dd, ee, aa, X[14], 6); HH(aa, bb, cc, dd, ee, X[ 4], 7); HH(ee, aa, bb, cc, dd, X[ 9], 14); HH(dd, ee, aa, bb, cc, X[15], 9); HH(cc, dd, ee, aa, bb, X[ 8], 13); HH(bb, cc, dd, ee, aa, X[ 1], 15); HH(aa, bb, cc, dd, ee, X[ 2], 14); HH(ee, aa, bb, cc, dd, X[ 7], 8); HH(dd, ee, aa, bb, cc, X[ 0], 13); HH(cc, dd, ee, aa, bb, X[ 6], 6); HH(bb, cc, dd, ee, aa, X[13], 5); HH(aa, bb, cc, dd, ee, X[11], 12); HH(ee, aa, bb, cc, dd, X[ 5], 7); HH(dd, ee, aa, bb, cc, X[12], 5); /* round 4 */ II(cc, dd, ee, aa, bb, X[ 1], 11); II(bb, cc, dd, ee, aa, X[ 9], 12); II(aa, bb, cc, dd, ee, X[11], 14); II(ee, aa, bb, cc, dd, X[10], 15); II(dd, ee, aa, bb, cc, X[ 0], 14); II(cc, dd, ee, aa, bb, X[ 8], 15); II(bb, cc, dd, ee, aa, X[12], 9); II(aa, bb, cc, dd, ee, X[ 4], 8); II(ee, aa, bb, cc, dd, X[13], 9); II(dd, ee, aa, bb, cc, X[ 3], 14); II(cc, dd, ee, aa, bb, X[ 7], 5); II(bb, cc, dd, ee, aa, X[15], 6); II(aa, bb, cc, dd, ee, X[14], 8); II(ee, aa, bb, cc, dd, X[ 5], 6); II(dd, ee, aa, bb, cc, X[ 6], 5); II(cc, dd, ee, aa, bb, X[ 2], 12); /* round 5 */ JJ(bb, cc, dd, ee, aa, X[ 4], 9); JJ(aa, bb, cc, dd, ee, X[ 0], 15); JJ(ee, aa, bb, cc, dd, X[ 5], 5); JJ(dd, ee, aa, bb, cc, X[ 9], 11); JJ(cc, dd, ee, aa, bb, X[ 7], 6); JJ(bb, cc, dd, ee, aa, X[12], 8); JJ(aa, bb, cc, dd, ee, X[ 2], 13); JJ(ee, aa, bb, cc, dd, X[10], 12); JJ(dd, ee, aa, bb, cc, X[14], 5); JJ(cc, dd, ee, aa, bb, X[ 1], 12); JJ(bb, cc, dd, ee, aa, X[ 3], 13); JJ(aa, bb, cc, dd, ee, X[ 8], 14); JJ(ee, aa, bb, cc, dd, X[11], 11); JJ(dd, ee, aa, bb, cc, X[ 6], 8); JJ(cc, dd, ee, aa, bb, X[15], 5); JJ(bb, cc, dd, ee, aa, X[13], 6); /* parallel round 1 */ JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8); JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9); JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9); JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11); JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13); JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15); JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15); JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5); JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7); JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7); JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8); JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11); JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14); JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14); JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12); JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6); /* parallel round 2 */ III(eee, aaa, bbb, ccc, ddd, X[ 6], 9); III(ddd, eee, aaa, bbb, ccc, X[11], 13); III(ccc, ddd, eee, aaa, bbb, X[ 3], 15); III(bbb, ccc, ddd, eee, aaa, X[ 7], 7); III(aaa, bbb, ccc, ddd, eee, X[ 0], 12); III(eee, aaa, bbb, ccc, ddd, X[13], 8); III(ddd, eee, aaa, bbb, ccc, X[ 5], 9); III(ccc, ddd, eee, aaa, bbb, X[10], 11); III(bbb, ccc, ddd, eee, aaa, X[14], 7); III(aaa, bbb, ccc, ddd, eee, X[15], 7); III(eee, aaa, bbb, ccc, ddd, X[ 8], 12); III(ddd, eee, aaa, bbb, ccc, X[12], 7); III(ccc, ddd, eee, aaa, bbb, X[ 4], 6); III(bbb, ccc, ddd, eee, aaa, X[ 9], 15); III(aaa, bbb, ccc, ddd, eee, X[ 1], 13); III(eee, aaa, bbb, ccc, ddd, X[ 2], 11); /* parallel round 3 */ HHH(ddd, eee, aaa, bbb, ccc, X[15], 9); HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7); HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15); HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11); HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8); HHH(ddd, eee, aaa, bbb, ccc, X[14], 6); HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6); HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14); HHH(aaa, bbb, ccc, ddd, eee, X[11], 12); HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13); HHH(ddd, eee, aaa, bbb, ccc, X[12], 5); HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14); HHH(bbb, ccc, ddd, eee, aaa, X[10], 13); HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13); HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7); HHH(ddd, eee, aaa, bbb, ccc, X[13], 5); /* parallel round 4 */ GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15); GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5); GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8); GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11); GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14); GGG(ccc, ddd, eee, aaa, bbb, X[11], 14); GGG(bbb, ccc, ddd, eee, aaa, X[15], 6); GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14); GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6); GGG(ddd, eee, aaa, bbb, ccc, X[12], 9); GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12); GGG(bbb, ccc, ddd, eee, aaa, X[13], 9); GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12); GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5); GGG(ddd, eee, aaa, bbb, ccc, X[10], 15); GGG(ccc, ddd, eee, aaa, bbb, X[14], 8); /* parallel round 5 */ FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8); FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5); FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12); FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9); FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12); FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5); FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14); FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6); FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8); FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13); FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6); FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5); FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15); FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13); FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11); FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11); /* combine results */ ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */ MDbuf[1] = MDbuf[2] + dd + eee; MDbuf[2] = MDbuf[3] + ee + aaa; MDbuf[3] = MDbuf[4] + aa + bbb; MDbuf[4] = MDbuf[0] + bb + ccc; MDbuf[0] = ddd; return;} static void MDfinish(u32int *MDbuf, uchar *strptr, u32int lswlen, u32int mswlen){ unsigned int i; /* counter */ u32int X[16]; /* message words */ memset(X, 0, 16*sizeof(u32int)); /* put bytes from strptr into X */ for (i=0; i<(lswlen&63); i++) { /* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */ X[i>>2] ^= (u32int) *strptr++ << (8 * (i&3)); } /* append the bit m_n == 1 */ X[(lswlen>>2)&15] ^= (u32int)1 << (8*(lswlen&3) + 7); if ((lswlen & 63) > 55) { /* length goes to next block */ compress(MDbuf, X); memset(X, 0, 16*sizeof(u32int)); } /* append length in bits*/ X[14] = lswlen << 3; X[15] = (lswlen >> 29) | (mswlen << 3); compress(MDbuf, X); return;} DigestState*ripemd160(uchar *p, ulong len, uchar *digest, DigestState *s){ u32int x[16]; int i, j, k; if(s == nil){ s = malloc(sizeof(*s)); if(s == nil) return nil; memset(s, 0, sizeof(*s)); s->malloced = 1; } if(s->seeded == 0){ MDinit(s->state); s->seeded = 1; } /* fill out the partial 64 byte block from previous calls */ if(s->blen){ i = 64 - s->blen; if(len < i) i = len; memmove(s->buf + s->blen, p, i); len -= i; s->blen += i; p += i; if(s->blen == 64){ for(i = 0; i < 16; i++) x[i] = BYTES_TO_DWORD(s->buf + i * 4); compress(s->state, x); s->len += s->blen; s->blen = 0; } } /* do 64 byte blocks */ i = len & ~0x3f; if(i){ for(j = 0; j < i; j += 64){ for(k = 0; k < 16; k++) x[k] = BYTES_TO_DWORD(p + j + k * 4); compress(s->state, x); } s->len += i; len -= i; p += i; } /* save the left overs if not last call */ if(digest == 0){ if(len){ memmove(s->buf, p, len); s->blen += len; } return s; } MDfinish(s->state, p, s->len + len, 0); for(i = 0; i < 5; i++){ digest[4 * i] = s->state[i]; digest[4 * i + 1] = s->state[i] >> 8; digest[4 * i + 2] = s->state[i] >> 16; digest[4 * i + 3] = s->state[i] >> 24; } if(s->malloced == 1) free(s); return nil; }
#include "os.h"
#include <libsec.h>
#define BYTES_TO_DWORD(strptr) \
(((u32int) *((strptr)+3) << 24) | \
((u32int) *((strptr)+2) << 16) | \
((u32int) *((strptr)+1) << 8) | \
((u32int) *(strptr)))
#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
/* the five basic functions F(), G() and H() */
#define F(x, y, z) ((x) ^ (y) ^ (z))
#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
#define H(x, y, z) (((x) | ~(y)) ^ (z))
#define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
#define J(x, y, z) ((x) ^ ((y) | ~(z)))
/* the ten basic operations FF() through III() */
#define FF(a, b, c, d, e, x, s) {\
(a) += F((b), (c), (d)) + (x);\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define GG(a, b, c, d, e, x, s) {\
(a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define HH(a, b, c, d, e, x, s) {\
(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define II(a, b, c, d, e, x, s) {\
(a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define JJ(a, b, c, d, e, x, s) {\
(a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define FFF(a, b, c, d, e, x, s) {\
(a) += F((b), (c), (d)) + (x);\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define GGG(a, b, c, d, e, x, s) {\
(a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define HHH(a, b, c, d, e, x, s) {\
(a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define III(a, b, c, d, e, x, s) {\
(a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define JJJ(a, b, c, d, e, x, s) {\
(a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
static void MDinit(u32int *MDbuf)
{
MDbuf[0] = 0x67452301UL;
MDbuf[1] = 0xefcdab89UL;
MDbuf[2] = 0x98badcfeUL;
MDbuf[3] = 0x10325476UL;
MDbuf[4] = 0xc3d2e1f0UL;
return;
}
static void compress(u32int *MDbuf, u32int *X)
{
u32int aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2],
dd = MDbuf[3], ee = MDbuf[4];
u32int aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2],
ddd = MDbuf[3], eee = MDbuf[4];
/* round 1 */
FF(aa, bb, cc, dd, ee, X[ 0], 11);
FF(ee, aa, bb, cc, dd, X[ 1], 14);
FF(dd, ee, aa, bb, cc, X[ 2], 15);
FF(cc, dd, ee, aa, bb, X[ 3], 12);
FF(bb, cc, dd, ee, aa, X[ 4], 5);
FF(aa, bb, cc, dd, ee, X[ 5], 8);
FF(ee, aa, bb, cc, dd, X[ 6], 7);
FF(dd, ee, aa, bb, cc, X[ 7], 9);
FF(cc, dd, ee, aa, bb, X[ 8], 11);
FF(bb, cc, dd, ee, aa, X[ 9], 13);
FF(aa, bb, cc, dd, ee, X[10], 14);
FF(ee, aa, bb, cc, dd, X[11], 15);
FF(dd, ee, aa, bb, cc, X[12], 6);
FF(cc, dd, ee, aa, bb, X[13], 7);
FF(bb, cc, dd, ee, aa, X[14], 9);
FF(aa, bb, cc, dd, ee, X[15], 8);
/* round 2 */
GG(ee, aa, bb, cc, dd, X[ 7], 7);
GG(dd, ee, aa, bb, cc, X[ 4], 6);
GG(cc, dd, ee, aa, bb, X[13], 8);
GG(bb, cc, dd, ee, aa, X[ 1], 13);
GG(aa, bb, cc, dd, ee, X[10], 11);
GG(ee, aa, bb, cc, dd, X[ 6], 9);
GG(dd, ee, aa, bb, cc, X[15], 7);
GG(cc, dd, ee, aa, bb, X[ 3], 15);
GG(bb, cc, dd, ee, aa, X[12], 7);
GG(aa, bb, cc, dd, ee, X[ 0], 12);
GG(ee, aa, bb, cc, dd, X[ 9], 15);
GG(dd, ee, aa, bb, cc, X[ 5], 9);
GG(cc, dd, ee, aa, bb, X[ 2], 11);
GG(bb, cc, dd, ee, aa, X[14], 7);
GG(aa, bb, cc, dd, ee, X[11], 13);
GG(ee, aa, bb, cc, dd, X[ 8], 12);
/* round 3 */
HH(dd, ee, aa, bb, cc, X[ 3], 11);
HH(cc, dd, ee, aa, bb, X[10], 13);
HH(bb, cc, dd, ee, aa, X[14], 6);
HH(aa, bb, cc, dd, ee, X[ 4], 7);
HH(ee, aa, bb, cc, dd, X[ 9], 14);
HH(dd, ee, aa, bb, cc, X[15], 9);
HH(cc, dd, ee, aa, bb, X[ 8], 13);
HH(bb, cc, dd, ee, aa, X[ 1], 15);
HH(aa, bb, cc, dd, ee, X[ 2], 14);
HH(ee, aa, bb, cc, dd, X[ 7], 8);
HH(dd, ee, aa, bb, cc, X[ 0], 13);
HH(cc, dd, ee, aa, bb, X[ 6], 6);
HH(bb, cc, dd, ee, aa, X[13], 5);
HH(aa, bb, cc, dd, ee, X[11], 12);
HH(ee, aa, bb, cc, dd, X[ 5], 7);
HH(dd, ee, aa, bb, cc, X[12], 5);
/* round 4 */
II(cc, dd, ee, aa, bb, X[ 1], 11);
II(bb, cc, dd, ee, aa, X[ 9], 12);
II(aa, bb, cc, dd, ee, X[11], 14);
II(ee, aa, bb, cc, dd, X[10], 15);
II(dd, ee, aa, bb, cc, X[ 0], 14);
II(cc, dd, ee, aa, bb, X[ 8], 15);
II(bb, cc, dd, ee, aa, X[12], 9);
II(aa, bb, cc, dd, ee, X[ 4], 8);
II(ee, aa, bb, cc, dd, X[13], 9);
II(dd, ee, aa, bb, cc, X[ 3], 14);
II(cc, dd, ee, aa, bb, X[ 7], 5);
II(bb, cc, dd, ee, aa, X[15], 6);
II(aa, bb, cc, dd, ee, X[14], 8);
II(ee, aa, bb, cc, dd, X[ 5], 6);
II(dd, ee, aa, bb, cc, X[ 6], 5);
II(cc, dd, ee, aa, bb, X[ 2], 12);
/* round 5 */
JJ(bb, cc, dd, ee, aa, X[ 4], 9);
JJ(aa, bb, cc, dd, ee, X[ 0], 15);
JJ(ee, aa, bb, cc, dd, X[ 5], 5);
JJ(dd, ee, aa, bb, cc, X[ 9], 11);
JJ(cc, dd, ee, aa, bb, X[ 7], 6);
JJ(bb, cc, dd, ee, aa, X[12], 8);
JJ(aa, bb, cc, dd, ee, X[ 2], 13);
JJ(ee, aa, bb, cc, dd, X[10], 12);
JJ(dd, ee, aa, bb, cc, X[14], 5);
JJ(cc, dd, ee, aa, bb, X[ 1], 12);
JJ(bb, cc, dd, ee, aa, X[ 3], 13);
JJ(aa, bb, cc, dd, ee, X[ 8], 14);
JJ(ee, aa, bb, cc, dd, X[11], 11);
JJ(dd, ee, aa, bb, cc, X[ 6], 8);
JJ(cc, dd, ee, aa, bb, X[15], 5);
JJ(bb, cc, dd, ee, aa, X[13], 6);
/* parallel round 1 */
JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
/* parallel round 2 */
III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
III(ddd, eee, aaa, bbb, ccc, X[11], 13);
III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
III(eee, aaa, bbb, ccc, ddd, X[13], 8);
III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
III(ccc, ddd, eee, aaa, bbb, X[10], 11);
III(bbb, ccc, ddd, eee, aaa, X[14], 7);
III(aaa, bbb, ccc, ddd, eee, X[15], 7);
III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
III(ddd, eee, aaa, bbb, ccc, X[12], 7);
III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
/* parallel round 3 */
HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
/* parallel round 4 */
GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
/* parallel round 5 */
FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
/* combine results */
ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */
MDbuf[1] = MDbuf[2] + dd + eee;
MDbuf[2] = MDbuf[3] + ee + aaa;
MDbuf[3] = MDbuf[4] + aa + bbb;
MDbuf[4] = MDbuf[0] + bb + ccc;
MDbuf[0] = ddd;
return;
}
static void MDfinish(u32int *MDbuf, uchar *strptr, u32int lswlen, u32int mswlen)
{
unsigned int i; /* counter */
u32int X[16]; /* message words */
memset(X, 0, 16*sizeof(u32int));
/* put bytes from strptr into X */
for (i=0; i<(lswlen&63); i++) {
/* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
X[i>>2] ^= (u32int) *strptr++ << (8 * (i&3));
}
/* append the bit m_n == 1 */
X[(lswlen>>2)&15] ^= (u32int)1 << (8*(lswlen&3) + 7);
if ((lswlen & 63) > 55) {
/* length goes to next block */
compress(MDbuf, X);
memset(X, 0, 16*sizeof(u32int));
}
/* append length in bits*/
X[14] = lswlen << 3;
X[15] = (lswlen >> 29) | (mswlen << 3);
compress(MDbuf, X);
return;
}
DigestState*
ripemd160(uchar *p, ulong len, uchar *digest, DigestState *s)
{
u32int x[16];
int i, j, k;
if(s == nil){
s = malloc(sizeof(*s));
if(s == nil)
return nil;
memset(s, 0, sizeof(*s));
s->malloced = 1;
}
if(s->seeded == 0){
MDinit(s->state);
s->seeded = 1;
}
/* fill out the partial 64 byte block from previous calls */
if(s->blen){
i = 64 - s->blen;
if(len < i)
i = len;
memmove(s->buf + s->blen, p, i);
len -= i;
s->blen += i;
p += i;
if(s->blen == 64){
for(i = 0; i < 16; i++)
x[i] = BYTES_TO_DWORD(s->buf + i * 4);
compress(s->state, x);
s->len += s->blen;
s->blen = 0;
}
}
/* do 64 byte blocks */
i = len & ~0x3f;
if(i){
for(j = 0; j < i; j += 64){
for(k = 0; k < 16; k++)
x[k] = BYTES_TO_DWORD(p + j + k * 4);
compress(s->state, x);
}
s->len += i;
len -= i;
p += i;
}
/* save the left overs if not last call */
if(digest == 0){
if(len){
memmove(s->buf, p, len);
s->blen += len;
}
return s;
}
MDfinish(s->state, p, s->len + len, 0);
for(i = 0; i < 5; i++){
digest[4 * i] = s->state[i];
digest[4 * i + 1] = s->state[i] >> 8;
digest[4 * i + 2] = s->state[i] >> 16;
digest[4 * i + 3] = s->state[i] >> 24;
}
if(s->malloced == 1)
free(s);
return nil;
}