diff options
Diffstat (limited to 'src/lib/libcrypto/ripemd/rmd_dgst.c')
-rw-r--r-- | src/lib/libcrypto/ripemd/rmd_dgst.c | 535 |
1 files changed, 535 insertions, 0 deletions
diff --git a/src/lib/libcrypto/ripemd/rmd_dgst.c b/src/lib/libcrypto/ripemd/rmd_dgst.c new file mode 100644 index 0000000000..210de1977d --- /dev/null +++ b/src/lib/libcrypto/ripemd/rmd_dgst.c | |||
@@ -0,0 +1,535 @@ | |||
1 | /* crypto/ripemd/rmd_dgst.c */ | ||
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This package is an SSL implementation written | ||
6 | * by Eric Young (eay@cryptsoft.com). | ||
7 | * The implementation was written so as to conform with Netscapes SSL. | ||
8 | * | ||
9 | * This library is free for commercial and non-commercial use as long as | ||
10 | * the following conditions are aheared to. The following conditions | ||
11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
13 | * included with this distribution is covered by the same copyright terms | ||
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
15 | * | ||
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
17 | * the code are not to be removed. | ||
18 | * If this package is used in a product, Eric Young should be given attribution | ||
19 | * as the author of the parts of the library used. | ||
20 | * This can be in the form of a textual message at program startup or | ||
21 | * in documentation (online or textual) provided with the package. | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
26 | * 1. Redistributions of source code must retain the copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
29 | * notice, this list of conditions and the following disclaimer in the | ||
30 | * documentation and/or other materials provided with the distribution. | ||
31 | * 3. All advertising materials mentioning features or use of this software | ||
32 | * must display the following acknowledgement: | ||
33 | * "This product includes cryptographic software written by | ||
34 | * Eric Young (eay@cryptsoft.com)" | ||
35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
36 | * being used are not cryptographic related :-). | ||
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
38 | * the apps directory (application code) you must include an acknowledgement: | ||
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
51 | * SUCH DAMAGE. | ||
52 | * | ||
53 | * The licence and distribution terms for any publically available version or | ||
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
55 | * copied and put under another distribution licence | ||
56 | * [including the GNU Public Licence.] | ||
57 | */ | ||
58 | |||
59 | #include <stdio.h> | ||
60 | #include "rmd_locl.h" | ||
61 | |||
62 | char *RMD160_version="RIPEMD160 part of SSLeay 0.9.0b 29-Jun-1998"; | ||
63 | |||
64 | #ifndef NOPROTO | ||
65 | # ifdef RMD160_ASM | ||
66 | void ripemd160_block_x86(RIPEMD160_CTX *c, unsigned long *p,int num); | ||
67 | # define ripemd160_block ripemd160_block_x86 | ||
68 | # else | ||
69 | void ripemd160_block(RIPEMD160_CTX *c, unsigned long *p,int num); | ||
70 | # endif | ||
71 | #else | ||
72 | # ifdef RMD160_ASM | ||
73 | void ripemd160_block_x86(); | ||
74 | # define ripemd160_block ripemd160_block_x86 | ||
75 | # else | ||
76 | static void ripemd160_block(); | ||
77 | # endif | ||
78 | #endif | ||
79 | |||
80 | void RIPEMD160_Init(c) | ||
81 | RIPEMD160_CTX *c; | ||
82 | { | ||
83 | c->A=RIPEMD160_A; | ||
84 | c->B=RIPEMD160_B; | ||
85 | c->C=RIPEMD160_C; | ||
86 | c->D=RIPEMD160_D; | ||
87 | c->E=RIPEMD160_E; | ||
88 | c->Nl=0; | ||
89 | c->Nh=0; | ||
90 | c->num=0; | ||
91 | } | ||
92 | |||
93 | void RIPEMD160_Update(c, data, len) | ||
94 | RIPEMD160_CTX *c; | ||
95 | register unsigned char *data; | ||
96 | unsigned long len; | ||
97 | { | ||
98 | register ULONG *p; | ||
99 | int sw,sc; | ||
100 | ULONG l; | ||
101 | |||
102 | if (len == 0) return; | ||
103 | |||
104 | l=(c->Nl+(len<<3))&0xffffffffL; | ||
105 | if (l < c->Nl) /* overflow */ | ||
106 | c->Nh++; | ||
107 | c->Nh+=(len>>29); | ||
108 | c->Nl=l; | ||
109 | |||
110 | if (c->num != 0) | ||
111 | { | ||
112 | p=c->data; | ||
113 | sw=c->num>>2; | ||
114 | sc=c->num&0x03; | ||
115 | |||
116 | if ((c->num+len) >= RIPEMD160_CBLOCK) | ||
117 | { | ||
118 | l= p[sw]; | ||
119 | p_c2l(data,l,sc); | ||
120 | p[sw++]=l; | ||
121 | for (; sw<RIPEMD160_LBLOCK; sw++) | ||
122 | { | ||
123 | c2l(data,l); | ||
124 | p[sw]=l; | ||
125 | } | ||
126 | len-=(RIPEMD160_CBLOCK-c->num); | ||
127 | |||
128 | ripemd160_block(c,p,64); | ||
129 | c->num=0; | ||
130 | /* drop through and do the rest */ | ||
131 | } | ||
132 | else | ||
133 | { | ||
134 | int ew,ec; | ||
135 | |||
136 | c->num+=(int)len; | ||
137 | if ((sc+len) < 4) /* ugly, add char's to a word */ | ||
138 | { | ||
139 | l= p[sw]; | ||
140 | p_c2l_p(data,l,sc,len); | ||
141 | p[sw]=l; | ||
142 | } | ||
143 | else | ||
144 | { | ||
145 | ew=(c->num>>2); | ||
146 | ec=(c->num&0x03); | ||
147 | l= p[sw]; | ||
148 | p_c2l(data,l,sc); | ||
149 | p[sw++]=l; | ||
150 | for (; sw < ew; sw++) | ||
151 | { c2l(data,l); p[sw]=l; } | ||
152 | if (ec) | ||
153 | { | ||
154 | c2l_p(data,l,ec); | ||
155 | p[sw]=l; | ||
156 | } | ||
157 | } | ||
158 | return; | ||
159 | } | ||
160 | } | ||
161 | /* we now can process the input data in blocks of RIPEMD160_CBLOCK | ||
162 | * chars and save the leftovers to c->data. */ | ||
163 | #ifdef L_ENDIAN | ||
164 | if ((((unsigned long)data)%sizeof(ULONG)) == 0) | ||
165 | { | ||
166 | sw=(int)len/RIPEMD160_CBLOCK; | ||
167 | if (sw > 0) | ||
168 | { | ||
169 | sw*=RIPEMD160_CBLOCK; | ||
170 | ripemd160_block(c,(ULONG *)data,sw); | ||
171 | data+=sw; | ||
172 | len-=sw; | ||
173 | } | ||
174 | } | ||
175 | #endif | ||
176 | p=c->data; | ||
177 | while (len >= RIPEMD160_CBLOCK) | ||
178 | { | ||
179 | #if defined(L_ENDIAN) || defined(B_ENDIAN) | ||
180 | if (p != (unsigned long *)data) | ||
181 | memcpy(p,data,RIPEMD160_CBLOCK); | ||
182 | data+=RIPEMD160_CBLOCK; | ||
183 | #ifdef B_ENDIAN | ||
184 | for (sw=(RIPEMD160_LBLOCK/4); sw; sw--) | ||
185 | { | ||
186 | Endian_Reverse32(p[0]); | ||
187 | Endian_Reverse32(p[1]); | ||
188 | Endian_Reverse32(p[2]); | ||
189 | Endian_Reverse32(p[3]); | ||
190 | p+=4; | ||
191 | } | ||
192 | #endif | ||
193 | #else | ||
194 | for (sw=(RIPEMD160_LBLOCK/4); sw; sw--) | ||
195 | { | ||
196 | c2l(data,l); *(p++)=l; | ||
197 | c2l(data,l); *(p++)=l; | ||
198 | c2l(data,l); *(p++)=l; | ||
199 | c2l(data,l); *(p++)=l; | ||
200 | } | ||
201 | #endif | ||
202 | p=c->data; | ||
203 | ripemd160_block(c,p,64); | ||
204 | len-=RIPEMD160_CBLOCK; | ||
205 | } | ||
206 | sc=(int)len; | ||
207 | c->num=sc; | ||
208 | if (sc) | ||
209 | { | ||
210 | sw=sc>>2; /* words to copy */ | ||
211 | #ifdef L_ENDIAN | ||
212 | p[sw]=0; | ||
213 | memcpy(p,data,sc); | ||
214 | #else | ||
215 | sc&=0x03; | ||
216 | for ( ; sw; sw--) | ||
217 | { c2l(data,l); *(p++)=l; } | ||
218 | c2l_p(data,l,sc); | ||
219 | *p=l; | ||
220 | #endif | ||
221 | } | ||
222 | } | ||
223 | |||
224 | void RIPEMD160_Transform(c,b) | ||
225 | RIPEMD160_CTX *c; | ||
226 | unsigned char *b; | ||
227 | { | ||
228 | ULONG p[16]; | ||
229 | #if !defined(L_ENDIAN) | ||
230 | ULONG *q; | ||
231 | int i; | ||
232 | #endif | ||
233 | |||
234 | #if defined(B_ENDIAN) || defined(L_ENDIAN) | ||
235 | memcpy(p,b,64); | ||
236 | #ifdef B_ENDIAN | ||
237 | q=p; | ||
238 | for (i=(RIPEMD160_LBLOCK/4); i; i--) | ||
239 | { | ||
240 | Endian_Reverse32(q[0]); | ||
241 | Endian_Reverse32(q[1]); | ||
242 | Endian_Reverse32(q[2]); | ||
243 | Endian_Reverse32(q[3]); | ||
244 | q+=4; | ||
245 | } | ||
246 | #endif | ||
247 | #else | ||
248 | q=p; | ||
249 | for (i=(RIPEMD160_LBLOCK/4); i; i--) | ||
250 | { | ||
251 | ULONG l; | ||
252 | c2l(b,l); *(q++)=l; | ||
253 | c2l(b,l); *(q++)=l; | ||
254 | c2l(b,l); *(q++)=l; | ||
255 | c2l(b,l); *(q++)=l; | ||
256 | } | ||
257 | #endif | ||
258 | ripemd160_block(c,p,64); | ||
259 | } | ||
260 | |||
261 | #ifndef RMD160_ASM | ||
262 | |||
263 | void ripemd160_block(ctx, X, num) | ||
264 | RIPEMD160_CTX *ctx; | ||
265 | register ULONG *X; | ||
266 | int num; | ||
267 | { | ||
268 | register ULONG A,B,C,D,E; | ||
269 | ULONG a,b,c,d,e; | ||
270 | |||
271 | for (;;) | ||
272 | { | ||
273 | A=ctx->A; B=ctx->B; C=ctx->C; D=ctx->D; E=ctx->E; | ||
274 | |||
275 | RIP1(A,B,C,D,E,WL00,SL00); | ||
276 | RIP1(E,A,B,C,D,WL01,SL01); | ||
277 | RIP1(D,E,A,B,C,WL02,SL02); | ||
278 | RIP1(C,D,E,A,B,WL03,SL03); | ||
279 | RIP1(B,C,D,E,A,WL04,SL04); | ||
280 | RIP1(A,B,C,D,E,WL05,SL05); | ||
281 | RIP1(E,A,B,C,D,WL06,SL06); | ||
282 | RIP1(D,E,A,B,C,WL07,SL07); | ||
283 | RIP1(C,D,E,A,B,WL08,SL08); | ||
284 | RIP1(B,C,D,E,A,WL09,SL09); | ||
285 | RIP1(A,B,C,D,E,WL10,SL10); | ||
286 | RIP1(E,A,B,C,D,WL11,SL11); | ||
287 | RIP1(D,E,A,B,C,WL12,SL12); | ||
288 | RIP1(C,D,E,A,B,WL13,SL13); | ||
289 | RIP1(B,C,D,E,A,WL14,SL14); | ||
290 | RIP1(A,B,C,D,E,WL15,SL15); | ||
291 | |||
292 | RIP2(E,A,B,C,D,WL16,SL16,KL1); | ||
293 | RIP2(D,E,A,B,C,WL17,SL17,KL1); | ||
294 | RIP2(C,D,E,A,B,WL18,SL18,KL1); | ||
295 | RIP2(B,C,D,E,A,WL19,SL19,KL1); | ||
296 | RIP2(A,B,C,D,E,WL20,SL20,KL1); | ||
297 | RIP2(E,A,B,C,D,WL21,SL21,KL1); | ||
298 | RIP2(D,E,A,B,C,WL22,SL22,KL1); | ||
299 | RIP2(C,D,E,A,B,WL23,SL23,KL1); | ||
300 | RIP2(B,C,D,E,A,WL24,SL24,KL1); | ||
301 | RIP2(A,B,C,D,E,WL25,SL25,KL1); | ||
302 | RIP2(E,A,B,C,D,WL26,SL26,KL1); | ||
303 | RIP2(D,E,A,B,C,WL27,SL27,KL1); | ||
304 | RIP2(C,D,E,A,B,WL28,SL28,KL1); | ||
305 | RIP2(B,C,D,E,A,WL29,SL29,KL1); | ||
306 | RIP2(A,B,C,D,E,WL30,SL30,KL1); | ||
307 | RIP2(E,A,B,C,D,WL31,SL31,KL1); | ||
308 | |||
309 | RIP3(D,E,A,B,C,WL32,SL32,KL2); | ||
310 | RIP3(C,D,E,A,B,WL33,SL33,KL2); | ||
311 | RIP3(B,C,D,E,A,WL34,SL34,KL2); | ||
312 | RIP3(A,B,C,D,E,WL35,SL35,KL2); | ||
313 | RIP3(E,A,B,C,D,WL36,SL36,KL2); | ||
314 | RIP3(D,E,A,B,C,WL37,SL37,KL2); | ||
315 | RIP3(C,D,E,A,B,WL38,SL38,KL2); | ||
316 | RIP3(B,C,D,E,A,WL39,SL39,KL2); | ||
317 | RIP3(A,B,C,D,E,WL40,SL40,KL2); | ||
318 | RIP3(E,A,B,C,D,WL41,SL41,KL2); | ||
319 | RIP3(D,E,A,B,C,WL42,SL42,KL2); | ||
320 | RIP3(C,D,E,A,B,WL43,SL43,KL2); | ||
321 | RIP3(B,C,D,E,A,WL44,SL44,KL2); | ||
322 | RIP3(A,B,C,D,E,WL45,SL45,KL2); | ||
323 | RIP3(E,A,B,C,D,WL46,SL46,KL2); | ||
324 | RIP3(D,E,A,B,C,WL47,SL47,KL2); | ||
325 | |||
326 | RIP4(C,D,E,A,B,WL48,SL48,KL3); | ||
327 | RIP4(B,C,D,E,A,WL49,SL49,KL3); | ||
328 | RIP4(A,B,C,D,E,WL50,SL50,KL3); | ||
329 | RIP4(E,A,B,C,D,WL51,SL51,KL3); | ||
330 | RIP4(D,E,A,B,C,WL52,SL52,KL3); | ||
331 | RIP4(C,D,E,A,B,WL53,SL53,KL3); | ||
332 | RIP4(B,C,D,E,A,WL54,SL54,KL3); | ||
333 | RIP4(A,B,C,D,E,WL55,SL55,KL3); | ||
334 | RIP4(E,A,B,C,D,WL56,SL56,KL3); | ||
335 | RIP4(D,E,A,B,C,WL57,SL57,KL3); | ||
336 | RIP4(C,D,E,A,B,WL58,SL58,KL3); | ||
337 | RIP4(B,C,D,E,A,WL59,SL59,KL3); | ||
338 | RIP4(A,B,C,D,E,WL60,SL60,KL3); | ||
339 | RIP4(E,A,B,C,D,WL61,SL61,KL3); | ||
340 | RIP4(D,E,A,B,C,WL62,SL62,KL3); | ||
341 | RIP4(C,D,E,A,B,WL63,SL63,KL3); | ||
342 | |||
343 | RIP5(B,C,D,E,A,WL64,SL64,KL4); | ||
344 | RIP5(A,B,C,D,E,WL65,SL65,KL4); | ||
345 | RIP5(E,A,B,C,D,WL66,SL66,KL4); | ||
346 | RIP5(D,E,A,B,C,WL67,SL67,KL4); | ||
347 | RIP5(C,D,E,A,B,WL68,SL68,KL4); | ||
348 | RIP5(B,C,D,E,A,WL69,SL69,KL4); | ||
349 | RIP5(A,B,C,D,E,WL70,SL70,KL4); | ||
350 | RIP5(E,A,B,C,D,WL71,SL71,KL4); | ||
351 | RIP5(D,E,A,B,C,WL72,SL72,KL4); | ||
352 | RIP5(C,D,E,A,B,WL73,SL73,KL4); | ||
353 | RIP5(B,C,D,E,A,WL74,SL74,KL4); | ||
354 | RIP5(A,B,C,D,E,WL75,SL75,KL4); | ||
355 | RIP5(E,A,B,C,D,WL76,SL76,KL4); | ||
356 | RIP5(D,E,A,B,C,WL77,SL77,KL4); | ||
357 | RIP5(C,D,E,A,B,WL78,SL78,KL4); | ||
358 | RIP5(B,C,D,E,A,WL79,SL79,KL4); | ||
359 | |||
360 | a=A; b=B; c=C; d=D; e=E; | ||
361 | /* Do other half */ | ||
362 | A=ctx->A; B=ctx->B; C=ctx->C; D=ctx->D; E=ctx->E; | ||
363 | |||
364 | RIP5(A,B,C,D,E,WR00,SR00,KR0); | ||
365 | RIP5(E,A,B,C,D,WR01,SR01,KR0); | ||
366 | RIP5(D,E,A,B,C,WR02,SR02,KR0); | ||
367 | RIP5(C,D,E,A,B,WR03,SR03,KR0); | ||
368 | RIP5(B,C,D,E,A,WR04,SR04,KR0); | ||
369 | RIP5(A,B,C,D,E,WR05,SR05,KR0); | ||
370 | RIP5(E,A,B,C,D,WR06,SR06,KR0); | ||
371 | RIP5(D,E,A,B,C,WR07,SR07,KR0); | ||
372 | RIP5(C,D,E,A,B,WR08,SR08,KR0); | ||
373 | RIP5(B,C,D,E,A,WR09,SR09,KR0); | ||
374 | RIP5(A,B,C,D,E,WR10,SR10,KR0); | ||
375 | RIP5(E,A,B,C,D,WR11,SR11,KR0); | ||
376 | RIP5(D,E,A,B,C,WR12,SR12,KR0); | ||
377 | RIP5(C,D,E,A,B,WR13,SR13,KR0); | ||
378 | RIP5(B,C,D,E,A,WR14,SR14,KR0); | ||
379 | RIP5(A,B,C,D,E,WR15,SR15,KR0); | ||
380 | |||
381 | RIP4(E,A,B,C,D,WR16,SR16,KR1); | ||
382 | RIP4(D,E,A,B,C,WR17,SR17,KR1); | ||
383 | RIP4(C,D,E,A,B,WR18,SR18,KR1); | ||
384 | RIP4(B,C,D,E,A,WR19,SR19,KR1); | ||
385 | RIP4(A,B,C,D,E,WR20,SR20,KR1); | ||
386 | RIP4(E,A,B,C,D,WR21,SR21,KR1); | ||
387 | RIP4(D,E,A,B,C,WR22,SR22,KR1); | ||
388 | RIP4(C,D,E,A,B,WR23,SR23,KR1); | ||
389 | RIP4(B,C,D,E,A,WR24,SR24,KR1); | ||
390 | RIP4(A,B,C,D,E,WR25,SR25,KR1); | ||
391 | RIP4(E,A,B,C,D,WR26,SR26,KR1); | ||
392 | RIP4(D,E,A,B,C,WR27,SR27,KR1); | ||
393 | RIP4(C,D,E,A,B,WR28,SR28,KR1); | ||
394 | RIP4(B,C,D,E,A,WR29,SR29,KR1); | ||
395 | RIP4(A,B,C,D,E,WR30,SR30,KR1); | ||
396 | RIP4(E,A,B,C,D,WR31,SR31,KR1); | ||
397 | |||
398 | RIP3(D,E,A,B,C,WR32,SR32,KR2); | ||
399 | RIP3(C,D,E,A,B,WR33,SR33,KR2); | ||
400 | RIP3(B,C,D,E,A,WR34,SR34,KR2); | ||
401 | RIP3(A,B,C,D,E,WR35,SR35,KR2); | ||
402 | RIP3(E,A,B,C,D,WR36,SR36,KR2); | ||
403 | RIP3(D,E,A,B,C,WR37,SR37,KR2); | ||
404 | RIP3(C,D,E,A,B,WR38,SR38,KR2); | ||
405 | RIP3(B,C,D,E,A,WR39,SR39,KR2); | ||
406 | RIP3(A,B,C,D,E,WR40,SR40,KR2); | ||
407 | RIP3(E,A,B,C,D,WR41,SR41,KR2); | ||
408 | RIP3(D,E,A,B,C,WR42,SR42,KR2); | ||
409 | RIP3(C,D,E,A,B,WR43,SR43,KR2); | ||
410 | RIP3(B,C,D,E,A,WR44,SR44,KR2); | ||
411 | RIP3(A,B,C,D,E,WR45,SR45,KR2); | ||
412 | RIP3(E,A,B,C,D,WR46,SR46,KR2); | ||
413 | RIP3(D,E,A,B,C,WR47,SR47,KR2); | ||
414 | |||
415 | RIP2(C,D,E,A,B,WR48,SR48,KR3); | ||
416 | RIP2(B,C,D,E,A,WR49,SR49,KR3); | ||
417 | RIP2(A,B,C,D,E,WR50,SR50,KR3); | ||
418 | RIP2(E,A,B,C,D,WR51,SR51,KR3); | ||
419 | RIP2(D,E,A,B,C,WR52,SR52,KR3); | ||
420 | RIP2(C,D,E,A,B,WR53,SR53,KR3); | ||
421 | RIP2(B,C,D,E,A,WR54,SR54,KR3); | ||
422 | RIP2(A,B,C,D,E,WR55,SR55,KR3); | ||
423 | RIP2(E,A,B,C,D,WR56,SR56,KR3); | ||
424 | RIP2(D,E,A,B,C,WR57,SR57,KR3); | ||
425 | RIP2(C,D,E,A,B,WR58,SR58,KR3); | ||
426 | RIP2(B,C,D,E,A,WR59,SR59,KR3); | ||
427 | RIP2(A,B,C,D,E,WR60,SR60,KR3); | ||
428 | RIP2(E,A,B,C,D,WR61,SR61,KR3); | ||
429 | RIP2(D,E,A,B,C,WR62,SR62,KR3); | ||
430 | RIP2(C,D,E,A,B,WR63,SR63,KR3); | ||
431 | |||
432 | RIP1(B,C,D,E,A,WR64,SR64); | ||
433 | RIP1(A,B,C,D,E,WR65,SR65); | ||
434 | RIP1(E,A,B,C,D,WR66,SR66); | ||
435 | RIP1(D,E,A,B,C,WR67,SR67); | ||
436 | RIP1(C,D,E,A,B,WR68,SR68); | ||
437 | RIP1(B,C,D,E,A,WR69,SR69); | ||
438 | RIP1(A,B,C,D,E,WR70,SR70); | ||
439 | RIP1(E,A,B,C,D,WR71,SR71); | ||
440 | RIP1(D,E,A,B,C,WR72,SR72); | ||
441 | RIP1(C,D,E,A,B,WR73,SR73); | ||
442 | RIP1(B,C,D,E,A,WR74,SR74); | ||
443 | RIP1(A,B,C,D,E,WR75,SR75); | ||
444 | RIP1(E,A,B,C,D,WR76,SR76); | ||
445 | RIP1(D,E,A,B,C,WR77,SR77); | ||
446 | RIP1(C,D,E,A,B,WR78,SR78); | ||
447 | RIP1(B,C,D,E,A,WR79,SR79); | ||
448 | |||
449 | D =ctx->B+c+D; | ||
450 | ctx->B=ctx->C+d+E; | ||
451 | ctx->C=ctx->D+e+A; | ||
452 | ctx->D=ctx->E+a+B; | ||
453 | ctx->E=ctx->A+b+C; | ||
454 | ctx->A=D; | ||
455 | |||
456 | X+=16; | ||
457 | num-=64; | ||
458 | if (num <= 0) break; | ||
459 | } | ||
460 | } | ||
461 | #endif | ||
462 | |||
463 | void RIPEMD160_Final(md, c) | ||
464 | unsigned char *md; | ||
465 | RIPEMD160_CTX *c; | ||
466 | { | ||
467 | register int i,j; | ||
468 | register ULONG l; | ||
469 | register ULONG *p; | ||
470 | static unsigned char end[4]={0x80,0x00,0x00,0x00}; | ||
471 | unsigned char *cp=end; | ||
472 | |||
473 | /* c->num should definitly have room for at least one more byte. */ | ||
474 | p=c->data; | ||
475 | j=c->num; | ||
476 | i=j>>2; | ||
477 | |||
478 | /* purify often complains about the following line as an | ||
479 | * Uninitialized Memory Read. While this can be true, the | ||
480 | * following p_c2l macro will reset l when that case is true. | ||
481 | * This is because j&0x03 contains the number of 'valid' bytes | ||
482 | * already in p[i]. If and only if j&0x03 == 0, the UMR will | ||
483 | * occur but this is also the only time p_c2l will do | ||
484 | * l= *(cp++) instead of l|= *(cp++) | ||
485 | * Many thanks to Alex Tang <altitude@cic.net> for pickup this | ||
486 | * 'potential bug' */ | ||
487 | #ifdef PURIFY | ||
488 | if ((j&0x03) == 0) p[i]=0; | ||
489 | #endif | ||
490 | l=p[i]; | ||
491 | p_c2l(cp,l,j&0x03); | ||
492 | p[i]=l; | ||
493 | i++; | ||
494 | /* i is the next 'undefined word' */ | ||
495 | if (c->num >= RIPEMD160_LAST_BLOCK) | ||
496 | { | ||
497 | for (; i<RIPEMD160_LBLOCK; i++) | ||
498 | p[i]=0; | ||
499 | ripemd160_block(c,p,64); | ||
500 | i=0; | ||
501 | } | ||
502 | for (; i<(RIPEMD160_LBLOCK-2); i++) | ||
503 | p[i]=0; | ||
504 | p[RIPEMD160_LBLOCK-2]=c->Nl; | ||
505 | p[RIPEMD160_LBLOCK-1]=c->Nh; | ||
506 | ripemd160_block(c,p,64); | ||
507 | cp=md; | ||
508 | l=c->A; l2c(l,cp); | ||
509 | l=c->B; l2c(l,cp); | ||
510 | l=c->C; l2c(l,cp); | ||
511 | l=c->D; l2c(l,cp); | ||
512 | l=c->E; l2c(l,cp); | ||
513 | |||
514 | /* clear stuff, ripemd160_block may be leaving some stuff on the stack | ||
515 | * but I'm not worried :-) */ | ||
516 | c->num=0; | ||
517 | /* memset((char *)&c,0,sizeof(c));*/ | ||
518 | } | ||
519 | |||
520 | #ifdef undef | ||
521 | int printit(l) | ||
522 | unsigned long *l; | ||
523 | { | ||
524 | int i,ii; | ||
525 | |||
526 | for (i=0; i<2; i++) | ||
527 | { | ||
528 | for (ii=0; ii<8; ii++) | ||
529 | { | ||
530 | fprintf(stderr,"%08lx ",l[i*8+ii]); | ||
531 | } | ||
532 | fprintf(stderr,"\n"); | ||
533 | } | ||
534 | } | ||
535 | #endif | ||