1 /* ripemd160-compress.c
3 RIPE-MD160 (Transform function)
5 Copyright (C) 1998, 2001, 2002, 2003 Free Software Foundation, Inc.
7 This file is part of GNU Nettle.
9 GNU Nettle is free software: you can redistribute it and/or
10 modify it under the terms of either:
12 * the GNU Lesser General Public License as published by the Free
13 Software Foundation; either version 3 of the License, or (at your
14 option) any later version.
18 * the GNU General Public License as published by the Free
19 Software Foundation; either version 2 of the License, or (at your
20 option) any later version.
22 or both in parallel, as here.
24 GNU Nettle is distributed in the hope that it will be useful,
25 but WITHOUT ANY WARRANTY; without even the implied warranty of
26 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 General Public License for more details.
29 You should have received copies of the GNU General Public License and
30 the GNU Lesser General Public License along with this program. If
31 not, see http://www.gnu.org/licenses/.
34 /* Ported from libgcrypt by Andres Mejia <mcitadel@gmail.com> */
42 #include "ripemd160.h"
43 #include "ripemd160-internal.h"
49 * Transform the message X which consists of 16 32-bit-words
52 _nettle_ripemd160_compress(uint32_t *state, const uint8_t *data)
54 register uint32_t a,b,c,d,e;
55 uint32_t aa,bb,cc,dd,ee,t;
58 #ifdef WORDS_BIGENDIAN
61 for (i=0; i < 16; i++, data += 4 )
62 x[i] = LE_READ_UINT32(data);
65 /* memcpy seems a bit faster. Benchmarked on Intel SU4100, it makes
66 the entire update function roughly 6% faster. */
67 memcpy(x, data, sizeof(x));
76 #define KK0 0x50A28BE6
77 #define KK1 0x5C4DD124
78 #define KK2 0x6D703EF3
79 #define KK3 0x7A6D76E9
80 #define KK4 0x00000000
81 #define F0(x,y,z) ( (x) ^ (y) ^ (z) )
82 #define F1(x,y,z) ( ((x) & (y)) | (~(x) & (z)) )
83 #define F2(x,y,z) ( ((x) | ~(y)) ^ (z) )
84 #define F3(x,y,z) ( ((x) & (z)) | ((y) & ~(z)) )
85 #define F4(x,y,z) ( (x) ^ ((y) | ~(z)) )
86 #define R(a,b,c,d,e,f,k,r,s) do { t = a + f(b,c,d) + k + x[r]; \
87 a = ROTL32(s,t) + e; \
97 R( a, b, c, d, e, F0, K0, 0, 11 );
98 R( e, a, b, c, d, F0, K0, 1, 14 );
99 R( d, e, a, b, c, F0, K0, 2, 15 );
100 R( c, d, e, a, b, F0, K0, 3, 12 );
101 R( b, c, d, e, a, F0, K0, 4, 5 );
102 R( a, b, c, d, e, F0, K0, 5, 8 );
103 R( e, a, b, c, d, F0, K0, 6, 7 );
104 R( d, e, a, b, c, F0, K0, 7, 9 );
105 R( c, d, e, a, b, F0, K0, 8, 11 );
106 R( b, c, d, e, a, F0, K0, 9, 13 );
107 R( a, b, c, d, e, F0, K0, 10, 14 );
108 R( e, a, b, c, d, F0, K0, 11, 15 );
109 R( d, e, a, b, c, F0, K0, 12, 6 );
110 R( c, d, e, a, b, F0, K0, 13, 7 );
111 R( b, c, d, e, a, F0, K0, 14, 9 );
112 R( a, b, c, d, e, F0, K0, 15, 8 );
113 R( e, a, b, c, d, F1, K1, 7, 7 );
114 R( d, e, a, b, c, F1, K1, 4, 6 );
115 R( c, d, e, a, b, F1, K1, 13, 8 );
116 R( b, c, d, e, a, F1, K1, 1, 13 );
117 R( a, b, c, d, e, F1, K1, 10, 11 );
118 R( e, a, b, c, d, F1, K1, 6, 9 );
119 R( d, e, a, b, c, F1, K1, 15, 7 );
120 R( c, d, e, a, b, F1, K1, 3, 15 );
121 R( b, c, d, e, a, F1, K1, 12, 7 );
122 R( a, b, c, d, e, F1, K1, 0, 12 );
123 R( e, a, b, c, d, F1, K1, 9, 15 );
124 R( d, e, a, b, c, F1, K1, 5, 9 );
125 R( c, d, e, a, b, F1, K1, 2, 11 );
126 R( b, c, d, e, a, F1, K1, 14, 7 );
127 R( a, b, c, d, e, F1, K1, 11, 13 );
128 R( e, a, b, c, d, F1, K1, 8, 12 );
129 R( d, e, a, b, c, F2, K2, 3, 11 );
130 R( c, d, e, a, b, F2, K2, 10, 13 );
131 R( b, c, d, e, a, F2, K2, 14, 6 );
132 R( a, b, c, d, e, F2, K2, 4, 7 );
133 R( e, a, b, c, d, F2, K2, 9, 14 );
134 R( d, e, a, b, c, F2, K2, 15, 9 );
135 R( c, d, e, a, b, F2, K2, 8, 13 );
136 R( b, c, d, e, a, F2, K2, 1, 15 );
137 R( a, b, c, d, e, F2, K2, 2, 14 );
138 R( e, a, b, c, d, F2, K2, 7, 8 );
139 R( d, e, a, b, c, F2, K2, 0, 13 );
140 R( c, d, e, a, b, F2, K2, 6, 6 );
141 R( b, c, d, e, a, F2, K2, 13, 5 );
142 R( a, b, c, d, e, F2, K2, 11, 12 );
143 R( e, a, b, c, d, F2, K2, 5, 7 );
144 R( d, e, a, b, c, F2, K2, 12, 5 );
145 R( c, d, e, a, b, F3, K3, 1, 11 );
146 R( b, c, d, e, a, F3, K3, 9, 12 );
147 R( a, b, c, d, e, F3, K3, 11, 14 );
148 R( e, a, b, c, d, F3, K3, 10, 15 );
149 R( d, e, a, b, c, F3, K3, 0, 14 );
150 R( c, d, e, a, b, F3, K3, 8, 15 );
151 R( b, c, d, e, a, F3, K3, 12, 9 );
152 R( a, b, c, d, e, F3, K3, 4, 8 );
153 R( e, a, b, c, d, F3, K3, 13, 9 );
154 R( d, e, a, b, c, F3, K3, 3, 14 );
155 R( c, d, e, a, b, F3, K3, 7, 5 );
156 R( b, c, d, e, a, F3, K3, 15, 6 );
157 R( a, b, c, d, e, F3, K3, 14, 8 );
158 R( e, a, b, c, d, F3, K3, 5, 6 );
159 R( d, e, a, b, c, F3, K3, 6, 5 );
160 R( c, d, e, a, b, F3, K3, 2, 12 );
161 R( b, c, d, e, a, F4, K4, 4, 9 );
162 R( a, b, c, d, e, F4, K4, 0, 15 );
163 R( e, a, b, c, d, F4, K4, 5, 5 );
164 R( d, e, a, b, c, F4, K4, 9, 11 );
165 R( c, d, e, a, b, F4, K4, 7, 6 );
166 R( b, c, d, e, a, F4, K4, 12, 8 );
167 R( a, b, c, d, e, F4, K4, 2, 13 );
168 R( e, a, b, c, d, F4, K4, 10, 12 );
169 R( d, e, a, b, c, F4, K4, 14, 5 );
170 R( c, d, e, a, b, F4, K4, 1, 12 );
171 R( b, c, d, e, a, F4, K4, 3, 13 );
172 R( a, b, c, d, e, F4, K4, 8, 14 );
173 R( e, a, b, c, d, F4, K4, 11, 11 );
174 R( d, e, a, b, c, F4, K4, 6, 8 );
175 R( c, d, e, a, b, F4, K4, 15, 5 );
176 R( b, c, d, e, a, F4, K4, 13, 6 );
178 aa = a; bb = b; cc = c; dd = d; ee = e;
186 R( a, b, c, d, e, F4, KK0, 5, 8);
187 R( e, a, b, c, d, F4, KK0, 14, 9);
188 R( d, e, a, b, c, F4, KK0, 7, 9);
189 R( c, d, e, a, b, F4, KK0, 0, 11);
190 R( b, c, d, e, a, F4, KK0, 9, 13);
191 R( a, b, c, d, e, F4, KK0, 2, 15);
192 R( e, a, b, c, d, F4, KK0, 11, 15);
193 R( d, e, a, b, c, F4, KK0, 4, 5);
194 R( c, d, e, a, b, F4, KK0, 13, 7);
195 R( b, c, d, e, a, F4, KK0, 6, 7);
196 R( a, b, c, d, e, F4, KK0, 15, 8);
197 R( e, a, b, c, d, F4, KK0, 8, 11);
198 R( d, e, a, b, c, F4, KK0, 1, 14);
199 R( c, d, e, a, b, F4, KK0, 10, 14);
200 R( b, c, d, e, a, F4, KK0, 3, 12);
201 R( a, b, c, d, e, F4, KK0, 12, 6);
202 R( e, a, b, c, d, F3, KK1, 6, 9);
203 R( d, e, a, b, c, F3, KK1, 11, 13);
204 R( c, d, e, a, b, F3, KK1, 3, 15);
205 R( b, c, d, e, a, F3, KK1, 7, 7);
206 R( a, b, c, d, e, F3, KK1, 0, 12);
207 R( e, a, b, c, d, F3, KK1, 13, 8);
208 R( d, e, a, b, c, F3, KK1, 5, 9);
209 R( c, d, e, a, b, F3, KK1, 10, 11);
210 R( b, c, d, e, a, F3, KK1, 14, 7);
211 R( a, b, c, d, e, F3, KK1, 15, 7);
212 R( e, a, b, c, d, F3, KK1, 8, 12);
213 R( d, e, a, b, c, F3, KK1, 12, 7);
214 R( c, d, e, a, b, F3, KK1, 4, 6);
215 R( b, c, d, e, a, F3, KK1, 9, 15);
216 R( a, b, c, d, e, F3, KK1, 1, 13);
217 R( e, a, b, c, d, F3, KK1, 2, 11);
218 R( d, e, a, b, c, F2, KK2, 15, 9);
219 R( c, d, e, a, b, F2, KK2, 5, 7);
220 R( b, c, d, e, a, F2, KK2, 1, 15);
221 R( a, b, c, d, e, F2, KK2, 3, 11);
222 R( e, a, b, c, d, F2, KK2, 7, 8);
223 R( d, e, a, b, c, F2, KK2, 14, 6);
224 R( c, d, e, a, b, F2, KK2, 6, 6);
225 R( b, c, d, e, a, F2, KK2, 9, 14);
226 R( a, b, c, d, e, F2, KK2, 11, 12);
227 R( e, a, b, c, d, F2, KK2, 8, 13);
228 R( d, e, a, b, c, F2, KK2, 12, 5);
229 R( c, d, e, a, b, F2, KK2, 2, 14);
230 R( b, c, d, e, a, F2, KK2, 10, 13);
231 R( a, b, c, d, e, F2, KK2, 0, 13);
232 R( e, a, b, c, d, F2, KK2, 4, 7);
233 R( d, e, a, b, c, F2, KK2, 13, 5);
234 R( c, d, e, a, b, F1, KK3, 8, 15);
235 R( b, c, d, e, a, F1, KK3, 6, 5);
236 R( a, b, c, d, e, F1, KK3, 4, 8);
237 R( e, a, b, c, d, F1, KK3, 1, 11);
238 R( d, e, a, b, c, F1, KK3, 3, 14);
239 R( c, d, e, a, b, F1, KK3, 11, 14);
240 R( b, c, d, e, a, F1, KK3, 15, 6);
241 R( a, b, c, d, e, F1, KK3, 0, 14);
242 R( e, a, b, c, d, F1, KK3, 5, 6);
243 R( d, e, a, b, c, F1, KK3, 12, 9);
244 R( c, d, e, a, b, F1, KK3, 2, 12);
245 R( b, c, d, e, a, F1, KK3, 13, 9);
246 R( a, b, c, d, e, F1, KK3, 9, 12);
247 R( e, a, b, c, d, F1, KK3, 7, 5);
248 R( d, e, a, b, c, F1, KK3, 10, 15);
249 R( c, d, e, a, b, F1, KK3, 14, 8);
250 R( b, c, d, e, a, F0, KK4, 12, 8);
251 R( a, b, c, d, e, F0, KK4, 15, 5);
252 R( e, a, b, c, d, F0, KK4, 10, 12);
253 R( d, e, a, b, c, F0, KK4, 4, 9);
254 R( c, d, e, a, b, F0, KK4, 1, 12);
255 R( b, c, d, e, a, F0, KK4, 5, 5);
256 R( a, b, c, d, e, F0, KK4, 8, 14);
257 R( e, a, b, c, d, F0, KK4, 7, 6);
258 R( d, e, a, b, c, F0, KK4, 6, 8);
259 R( c, d, e, a, b, F0, KK4, 2, 13);
260 R( b, c, d, e, a, F0, KK4, 13, 6);
261 R( a, b, c, d, e, F0, KK4, 14, 5);
262 R( e, a, b, c, d, F0, KK4, 0, 15);
263 R( d, e, a, b, c, F0, KK4, 3, 13);
264 R( c, d, e, a, b, F0, KK4, 9, 11);
265 R( b, c, d, e, a, F0, KK4, 11, 11);
268 t = state[1] + d + cc;
269 state[1] = state[2] + e + dd;
270 state[2] = state[3] + a + ee;
271 state[3] = state[4] + b + aa;
272 state[4] = state[0] + c + bb;