3 * Copyright (C) 2006-2014 wolfSSL Inc.
5 * This file is part of CyaSSL.
7 * CyaSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * CyaSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
27 #include <cyassl/ctaocrypt/settings.h>
31 #include <cyassl/ctaocrypt/ripemd.h>
33 #include <cyassl/ctaocrypt/misc.h>
35 #include <ctaocrypt/src/misc.c>
41 static INLINE word32 min(word32 a, word32 b)
49 void InitRipeMd(RipeMd* ripemd)
51 ripemd->digest[0] = 0x67452301L;
52 ripemd->digest[1] = 0xEFCDAB89L;
53 ripemd->digest[2] = 0x98BADCFEL;
54 ripemd->digest[3] = 0x10325476L;
55 ripemd->digest[4] = 0xC3D2E1F0L;
64 #define F(x, y, z) (x ^ y ^ z)
65 #define G(x, y, z) (z ^ (x & (y^z)))
66 #define H(x, y, z) (z ^ (x | ~y))
67 #define I(x, y, z) (y ^ (z & (x^y)))
68 #define J(x, y, z) (x ^ (y | ~z))
82 #define Subround(f, a, b, c, d, e, x, s, k) \
83 a += f(b, c, d) + x + k;\
84 a = rotlFixed((word32)a, s) + e;\
85 c = rotlFixed((word32)c, 10U)
87 static void Transform(RipeMd* ripemd)
89 word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2;
90 a1 = a2 = ripemd->digest[0];
91 b1 = b2 = ripemd->digest[1];
92 c1 = c2 = ripemd->digest[2];
93 d1 = d2 = ripemd->digest[3];
94 e1 = e2 = ripemd->digest[4];
96 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 11, k0);
97 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 1], 14, k0);
98 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 2], 15, k0);
99 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 12, k0);
100 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 5, k0);
101 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 5], 8, k0);
102 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 7, k0);
103 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 7], 9, k0);
104 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 11, k0);
105 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 13, k0);
106 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[10], 14, k0);
107 Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[11], 15, k0);
108 Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[12], 6, k0);
109 Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[13], 7, k0);
110 Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[14], 9, k0);
111 Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[15], 8, k0);
113 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 7, k1);
114 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 4], 6, k1);
115 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[13], 8, k1);
116 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 13, k1);
117 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[10], 11, k1);
118 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 6], 9, k1);
119 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[15], 7, k1);
120 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 15, k1);
121 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[12], 7, k1);
122 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 12, k1);
123 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 15, k1);
124 Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 5], 9, k1);
125 Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 11, k1);
126 Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[14], 7, k1);
127 Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[11], 13, k1);
128 Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 8], 12, k1);
130 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 11, k2);
131 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[10], 13, k2);
132 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[14], 6, k2);
133 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 7, k2);
134 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 14, k2);
135 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[15], 9, k2);
136 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 13, k2);
137 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 15, k2);
138 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 14, k2);
139 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 7], 8, k2);
140 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 13, k2);
141 Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 6], 6, k2);
142 Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[13], 5, k2);
143 Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[11], 12, k2);
144 Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 7, k2);
145 Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[12], 5, k2);
147 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 11, k3);
148 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 12, k3);
149 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[11], 14, k3);
150 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[10], 15, k3);
151 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 14, k3);
152 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 15, k3);
153 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[12], 9, k3);
154 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[ 4], 8, k3);
155 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[13], 9, k3);
156 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 14, k3);
157 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 5, k3);
158 Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[15], 6, k3);
159 Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[14], 8, k3);
160 Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 6, k3);
161 Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 5, k3);
162 Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 12, k3);
164 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 4], 9, k4);
165 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 15, k4);
166 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[ 5], 5, k4);
167 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 9], 11, k4);
168 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 7], 6, k4);
169 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[12], 8, k4);
170 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 13, k4);
171 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[10], 12, k4);
172 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[14], 5, k4);
173 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 12, k4);
174 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 3], 13, k4);
175 Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 8], 14, k4);
176 Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[11], 11, k4);
177 Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 6], 8, k4);
178 Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[15], 5, k4);
179 Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[13], 6, k4);
181 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 5], 8, k5);
182 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[14], 9, k5);
183 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 7], 9, k5);
184 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[ 0], 11, k5);
185 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 13, k5);
186 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 2], 15, k5);
187 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[11], 15, k5);
188 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 5, k5);
189 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[13], 7, k5);
190 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 7, k5);
191 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[15], 8, k5);
192 Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 11, k5);
193 Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 1], 14, k5);
194 Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[10], 14, k5);
195 Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 3], 12, k5);
196 Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[12], 6, k5);
198 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 6], 9, k6);
199 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[11], 13, k6);
200 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 3], 15, k6);
201 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 7], 7, k6);
202 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 12, k6);
203 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[13], 8, k6);
204 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[ 5], 9, k6);
205 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[10], 11, k6);
206 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[14], 7, k6);
207 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[15], 7, k6);
208 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 12, k6);
209 Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[12], 7, k6);
210 Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 4], 6, k6);
211 Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 15, k6);
212 Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 1], 13, k6);
213 Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 2], 11, k6);
215 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[15], 9, k7);
216 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 5], 7, k7);
217 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 1], 15, k7);
218 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 3], 11, k7);
219 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 8, k7);
220 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[14], 6, k7);
221 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 6], 6, k7);
222 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 14, k7);
223 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[11], 12, k7);
224 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 13, k7);
225 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[12], 5, k7);
226 Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 14, k7);
227 Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[10], 13, k7);
228 Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 13, k7);
229 Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 4], 7, k7);
230 Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[13], 5, k7);
232 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 8], 15, k8);
233 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[ 6], 5, k8);
234 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 4], 8, k8);
235 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 1], 11, k8);
236 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 14, k8);
237 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[11], 14, k8);
238 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[15], 6, k8);
239 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 14, k8);
240 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 5], 6, k8);
241 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[12], 9, k8);
242 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 12, k8);
243 Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[13], 9, k8);
244 Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 9], 12, k8);
245 Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 5, k8);
246 Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[10], 15, k8);
247 Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[14], 8, k8);
249 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[12], 8, k9);
250 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[15], 5, k9);
251 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[10], 12, k9);
252 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 4], 9, k9);
253 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 1], 12, k9);
254 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[ 5], 5, k9);
255 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[ 8], 14, k9);
256 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 7], 6, k9);
257 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 6], 8, k9);
258 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 13, k9);
259 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[13], 6, k9);
260 Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[14], 5, k9);
261 Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 0], 15, k9);
262 Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 13, k9);
263 Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 9], 11, k9);
264 Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[11], 11, k9);
266 c1 = ripemd->digest[1] + c1 + d2;
267 ripemd->digest[1] = ripemd->digest[2] + d1 + e2;
268 ripemd->digest[2] = ripemd->digest[3] + e1 + a2;
269 ripemd->digest[3] = ripemd->digest[4] + a1 + b2;
270 ripemd->digest[4] = ripemd->digest[0] + b1 + c2;
271 ripemd->digest[0] = c1;
275 static INLINE void AddLength(RipeMd* ripemd, word32 len)
277 word32 tmp = ripemd->loLen;
278 if ( (ripemd->loLen += len) < tmp)
279 ripemd->hiLen++; /* carry low to high */
283 void RipeMdUpdate(RipeMd* ripemd, const byte* data, word32 len)
285 /* do block size increments */
286 byte* local = (byte*)ripemd->buffer;
289 word32 add = min(len, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
290 XMEMCPY(&local[ripemd->buffLen], data, add);
292 ripemd->buffLen += add;
296 if (ripemd->buffLen == RIPEMD_BLOCK_SIZE) {
297 #ifdef BIG_ENDIAN_ORDER
298 ByteReverseWords(ripemd->buffer, ripemd->buffer,
302 AddLength(ripemd, RIPEMD_BLOCK_SIZE);
309 void RipeMdFinal(RipeMd* ripemd, byte* hash)
311 byte* local = (byte*)ripemd->buffer;
313 AddLength(ripemd, ripemd->buffLen); /* before adding pads */
315 local[ripemd->buffLen++] = 0x80; /* add 1 */
318 if (ripemd->buffLen > RIPEMD_PAD_SIZE) {
319 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
320 ripemd->buffLen += RIPEMD_BLOCK_SIZE - ripemd->buffLen;
322 #ifdef BIG_ENDIAN_ORDER
323 ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
328 XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_PAD_SIZE - ripemd->buffLen);
330 /* put lengths in bits */
331 ripemd->loLen = ripemd->loLen << 3;
332 ripemd->hiLen = (ripemd->loLen >> (8*sizeof(ripemd->loLen) - 3)) +
333 (ripemd->hiLen << 3);
336 #ifdef BIG_ENDIAN_ORDER
337 ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
339 /* ! length ordering dependent on digest endian type ! */
340 XMEMCPY(&local[RIPEMD_PAD_SIZE], &ripemd->loLen, sizeof(word32));
341 XMEMCPY(&local[RIPEMD_PAD_SIZE + sizeof(word32)], &ripemd->hiLen,
345 #ifdef BIG_ENDIAN_ORDER
346 ByteReverseWords(ripemd->digest, ripemd->digest, RIPEMD_DIGEST_SIZE);
348 XMEMCPY(hash, ripemd->digest, RIPEMD_DIGEST_SIZE);
350 InitRipeMd(ripemd); /* reset state */
354 #endif /* CYASSL_RIPEMD */