5 #define BYTES_TO_DWORD(strptr) \
6 (((u32int) *((strptr)+3) << 24) | \
7 ((u32int) *((strptr)+2) << 16) | \
8 ((u32int) *((strptr)+1) << 8) | \
11 #define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
13 /* the five basic functions F(), G() and H() */
14 #define F(x, y, z) ((x) ^ (y) ^ (z))
15 #define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
16 #define H(x, y, z) (((x) | ~(y)) ^ (z))
17 #define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
18 #define J(x, y, z) ((x) ^ ((y) | ~(z)))
20 /* the ten basic operations FF() through III() */
21 #define FF(a, b, c, d, e, x, s) {\
22 (a) += F((b), (c), (d)) + (x);\
23 (a) = ROL((a), (s)) + (e);\
26 #define GG(a, b, c, d, e, x, s) {\
27 (a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
28 (a) = ROL((a), (s)) + (e);\
31 #define HH(a, b, c, d, e, x, s) {\
32 (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
33 (a) = ROL((a), (s)) + (e);\
36 #define II(a, b, c, d, e, x, s) {\
37 (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
38 (a) = ROL((a), (s)) + (e);\
41 #define JJ(a, b, c, d, e, x, s) {\
42 (a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
43 (a) = ROL((a), (s)) + (e);\
46 #define FFF(a, b, c, d, e, x, s) {\
47 (a) += F((b), (c), (d)) + (x);\
48 (a) = ROL((a), (s)) + (e);\
51 #define GGG(a, b, c, d, e, x, s) {\
52 (a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
53 (a) = ROL((a), (s)) + (e);\
56 #define HHH(a, b, c, d, e, x, s) {\
57 (a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
58 (a) = ROL((a), (s)) + (e);\
61 #define III(a, b, c, d, e, x, s) {\
62 (a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\
63 (a) = ROL((a), (s)) + (e);\
66 #define JJJ(a, b, c, d, e, x, s) {\
67 (a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
68 (a) = ROL((a), (s)) + (e);\
73 static void MDinit(u32int *MDbuf)
75 MDbuf[0] = 0x67452301UL;
76 MDbuf[1] = 0xefcdab89UL;
77 MDbuf[2] = 0x98badcfeUL;
78 MDbuf[3] = 0x10325476UL;
79 MDbuf[4] = 0xc3d2e1f0UL;
84 static void compress(u32int *MDbuf, u32int *X)
86 u32int aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2],
87 dd = MDbuf[3], ee = MDbuf[4];
88 u32int aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2],
89 ddd = MDbuf[3], eee = MDbuf[4];
92 FF(aa, bb, cc, dd, ee, X[ 0], 11);
93 FF(ee, aa, bb, cc, dd, X[ 1], 14);
94 FF(dd, ee, aa, bb, cc, X[ 2], 15);
95 FF(cc, dd, ee, aa, bb, X[ 3], 12);
96 FF(bb, cc, dd, ee, aa, X[ 4], 5);
97 FF(aa, bb, cc, dd, ee, X[ 5], 8);
98 FF(ee, aa, bb, cc, dd, X[ 6], 7);
99 FF(dd, ee, aa, bb, cc, X[ 7], 9);
100 FF(cc, dd, ee, aa, bb, X[ 8], 11);
101 FF(bb, cc, dd, ee, aa, X[ 9], 13);
102 FF(aa, bb, cc, dd, ee, X[10], 14);
103 FF(ee, aa, bb, cc, dd, X[11], 15);
104 FF(dd, ee, aa, bb, cc, X[12], 6);
105 FF(cc, dd, ee, aa, bb, X[13], 7);
106 FF(bb, cc, dd, ee, aa, X[14], 9);
107 FF(aa, bb, cc, dd, ee, X[15], 8);
110 GG(ee, aa, bb, cc, dd, X[ 7], 7);
111 GG(dd, ee, aa, bb, cc, X[ 4], 6);
112 GG(cc, dd, ee, aa, bb, X[13], 8);
113 GG(bb, cc, dd, ee, aa, X[ 1], 13);
114 GG(aa, bb, cc, dd, ee, X[10], 11);
115 GG(ee, aa, bb, cc, dd, X[ 6], 9);
116 GG(dd, ee, aa, bb, cc, X[15], 7);
117 GG(cc, dd, ee, aa, bb, X[ 3], 15);
118 GG(bb, cc, dd, ee, aa, X[12], 7);
119 GG(aa, bb, cc, dd, ee, X[ 0], 12);
120 GG(ee, aa, bb, cc, dd, X[ 9], 15);
121 GG(dd, ee, aa, bb, cc, X[ 5], 9);
122 GG(cc, dd, ee, aa, bb, X[ 2], 11);
123 GG(bb, cc, dd, ee, aa, X[14], 7);
124 GG(aa, bb, cc, dd, ee, X[11], 13);
125 GG(ee, aa, bb, cc, dd, X[ 8], 12);
128 HH(dd, ee, aa, bb, cc, X[ 3], 11);
129 HH(cc, dd, ee, aa, bb, X[10], 13);
130 HH(bb, cc, dd, ee, aa, X[14], 6);
131 HH(aa, bb, cc, dd, ee, X[ 4], 7);
132 HH(ee, aa, bb, cc, dd, X[ 9], 14);
133 HH(dd, ee, aa, bb, cc, X[15], 9);
134 HH(cc, dd, ee, aa, bb, X[ 8], 13);
135 HH(bb, cc, dd, ee, aa, X[ 1], 15);
136 HH(aa, bb, cc, dd, ee, X[ 2], 14);
137 HH(ee, aa, bb, cc, dd, X[ 7], 8);
138 HH(dd, ee, aa, bb, cc, X[ 0], 13);
139 HH(cc, dd, ee, aa, bb, X[ 6], 6);
140 HH(bb, cc, dd, ee, aa, X[13], 5);
141 HH(aa, bb, cc, dd, ee, X[11], 12);
142 HH(ee, aa, bb, cc, dd, X[ 5], 7);
143 HH(dd, ee, aa, bb, cc, X[12], 5);
146 II(cc, dd, ee, aa, bb, X[ 1], 11);
147 II(bb, cc, dd, ee, aa, X[ 9], 12);
148 II(aa, bb, cc, dd, ee, X[11], 14);
149 II(ee, aa, bb, cc, dd, X[10], 15);
150 II(dd, ee, aa, bb, cc, X[ 0], 14);
151 II(cc, dd, ee, aa, bb, X[ 8], 15);
152 II(bb, cc, dd, ee, aa, X[12], 9);
153 II(aa, bb, cc, dd, ee, X[ 4], 8);
154 II(ee, aa, bb, cc, dd, X[13], 9);
155 II(dd, ee, aa, bb, cc, X[ 3], 14);
156 II(cc, dd, ee, aa, bb, X[ 7], 5);
157 II(bb, cc, dd, ee, aa, X[15], 6);
158 II(aa, bb, cc, dd, ee, X[14], 8);
159 II(ee, aa, bb, cc, dd, X[ 5], 6);
160 II(dd, ee, aa, bb, cc, X[ 6], 5);
161 II(cc, dd, ee, aa, bb, X[ 2], 12);
164 JJ(bb, cc, dd, ee, aa, X[ 4], 9);
165 JJ(aa, bb, cc, dd, ee, X[ 0], 15);
166 JJ(ee, aa, bb, cc, dd, X[ 5], 5);
167 JJ(dd, ee, aa, bb, cc, X[ 9], 11);
168 JJ(cc, dd, ee, aa, bb, X[ 7], 6);
169 JJ(bb, cc, dd, ee, aa, X[12], 8);
170 JJ(aa, bb, cc, dd, ee, X[ 2], 13);
171 JJ(ee, aa, bb, cc, dd, X[10], 12);
172 JJ(dd, ee, aa, bb, cc, X[14], 5);
173 JJ(cc, dd, ee, aa, bb, X[ 1], 12);
174 JJ(bb, cc, dd, ee, aa, X[ 3], 13);
175 JJ(aa, bb, cc, dd, ee, X[ 8], 14);
176 JJ(ee, aa, bb, cc, dd, X[11], 11);
177 JJ(dd, ee, aa, bb, cc, X[ 6], 8);
178 JJ(cc, dd, ee, aa, bb, X[15], 5);
179 JJ(bb, cc, dd, ee, aa, X[13], 6);
181 /* parallel round 1 */
182 JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
183 JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
184 JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
185 JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
186 JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
187 JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
188 JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
189 JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
190 JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
191 JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
192 JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
193 JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
194 JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
195 JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
196 JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
197 JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
199 /* parallel round 2 */
200 III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
201 III(ddd, eee, aaa, bbb, ccc, X[11], 13);
202 III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
203 III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
204 III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
205 III(eee, aaa, bbb, ccc, ddd, X[13], 8);
206 III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
207 III(ccc, ddd, eee, aaa, bbb, X[10], 11);
208 III(bbb, ccc, ddd, eee, aaa, X[14], 7);
209 III(aaa, bbb, ccc, ddd, eee, X[15], 7);
210 III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
211 III(ddd, eee, aaa, bbb, ccc, X[12], 7);
212 III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
213 III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
214 III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
215 III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
217 /* parallel round 3 */
218 HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
219 HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
220 HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
221 HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
222 HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
223 HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
224 HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
225 HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
226 HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
227 HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
228 HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
229 HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
230 HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
231 HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
232 HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
233 HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
235 /* parallel round 4 */
236 GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
237 GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
238 GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
239 GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
240 GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
241 GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
242 GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
243 GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
244 GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
245 GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
246 GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
247 GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
248 GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
249 GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
250 GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
251 GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
253 /* parallel round 5 */
254 FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
255 FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
256 FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
257 FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
258 FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
259 FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
260 FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
261 FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
262 FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
263 FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
264 FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
265 FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
266 FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
267 FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
268 FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
269 FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
271 /* combine results */
272 ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */
273 MDbuf[1] = MDbuf[2] + dd + eee;
274 MDbuf[2] = MDbuf[3] + ee + aaa;
275 MDbuf[3] = MDbuf[4] + aa + bbb;
276 MDbuf[4] = MDbuf[0] + bb + ccc;
282 static void MDfinish(u32int *MDbuf, uchar *strptr, u32int lswlen, u32int mswlen)
284 unsigned int i; /* counter */
285 u32int X[16]; /* message words */
287 memset(X, 0, 16*sizeof(u32int));
289 /* put bytes from strptr into X */
290 for (i=0; i<(lswlen&63); i++) {
291 /* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
292 X[i>>2] ^= (u32int) *strptr++ << (8 * (i&3));
295 /* append the bit m_n == 1 */
296 X[(lswlen>>2)&15] ^= (u32int)1 << (8*(lswlen&3) + 7);
298 if ((lswlen & 63) > 55) {
299 /* length goes to next block */
301 memset(X, 0, 16*sizeof(u32int));
304 /* append length in bits*/
306 X[15] = (lswlen >> 29) | (mswlen << 3);
313 ripemd160(uchar *p, ulong len, uchar *digest, DigestState *s)
319 s = malloc(sizeof(*s));
322 memset(s, 0, sizeof(*s));
331 /* fill out the partial 64 byte block from previous calls */
336 memmove(s->buf + s->blen, p, i);
341 for(i = 0; i < 16; i++)
342 x[i] = BYTES_TO_DWORD(s->buf + i * 4);
343 compress(s->state, x);
349 /* do 64 byte blocks */
352 for(j = 0; j < i; j += 64){
353 for(k = 0; k < 16; k++)
354 x[k] = BYTES_TO_DWORD(p + j + k * 4);
355 compress(s->state, x);
362 /* save the left overs if not last call */
365 memmove(s->buf, p, len);
371 MDfinish(s->state, p, s->len + len, 0);
372 for(i = 0; i < 5; i++){
373 digest[4 * i] = s->state[i];
374 digest[4 * i + 1] = s->state[i] >> 8;
375 digest[4 * i + 2] = s->state[i] >> 16;
376 digest[4 * i + 3] = s->state[i] >> 24;