Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/coreutils/src/lib/md5.c |
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1 | /* Functions to compute MD5 message digest of files or memory blocks. | - | ||||||
2 | according to the definition of MD5 in RFC 1321 from April 1992. | - | ||||||
3 | Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2018 Free Software | - | ||||||
4 | Foundation, Inc. | - | ||||||
5 | This file is part of the GNU C Library. | - | ||||||
6 | - | |||||||
7 | This program is free software; you can redistribute it and/or modify it | - | ||||||
8 | under the terms of the GNU General Public License as published by the | - | ||||||
9 | Free Software Foundation; either version 3, or (at your option) any | - | ||||||
10 | later version. | - | ||||||
11 | - | |||||||
12 | This program 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. | - | ||||||
16 | - | |||||||
17 | You should have received a copy of the GNU General Public License | - | ||||||
18 | along with this program; if not, see <https://www.gnu.org/licenses/>. */ | - | ||||||
19 | - | |||||||
20 | /* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. */ | - | ||||||
21 | - | |||||||
22 | #include <config.h> | - | ||||||
23 | - | |||||||
24 | #if HAVE_OPENSSL_MD5 | - | ||||||
25 | # define GL_OPENSSL_INLINE _GL_EXTERN_INLINE | - | ||||||
26 | #endif | - | ||||||
27 | #include "md5.h" | - | ||||||
28 | - | |||||||
29 | #include <stdalign.h> | - | ||||||
30 | #include <stdint.h> | - | ||||||
31 | #include <stdlib.h> | - | ||||||
32 | #include <string.h> | - | ||||||
33 | #include <sys/types.h> | - | ||||||
34 | - | |||||||
35 | #if USE_UNLOCKED_IO | - | ||||||
36 | # include "unlocked-io.h" | - | ||||||
37 | #endif | - | ||||||
38 | - | |||||||
39 | #ifdef _LIBC | - | ||||||
40 | # include <endian.h> | - | ||||||
41 | # if __BYTE_ORDER == __BIG_ENDIAN | - | ||||||
42 | # define WORDS_BIGENDIAN 1 | - | ||||||
43 | # endif | - | ||||||
44 | /* We need to keep the namespace clean so define the MD5 function | - | ||||||
45 | protected using leading __ . */ | - | ||||||
46 | # define md5_init_ctx __md5_init_ctx | - | ||||||
47 | # define md5_process_block __md5_process_block | - | ||||||
48 | # define md5_process_bytes __md5_process_bytes | - | ||||||
49 | # define md5_finish_ctx __md5_finish_ctx | - | ||||||
50 | # define md5_read_ctx __md5_read_ctx | - | ||||||
51 | # define md5_stream __md5_stream | - | ||||||
52 | # define md5_buffer __md5_buffer | - | ||||||
53 | #endif | - | ||||||
54 | - | |||||||
55 | #ifdef WORDS_BIGENDIAN | - | ||||||
56 | # define SWAP(n) \ | - | ||||||
57 | (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24)) | - | ||||||
58 | #else | - | ||||||
59 | # define SWAP(n) (n) | - | ||||||
60 | #endif | - | ||||||
61 | - | |||||||
62 | #define BLOCKSIZE 32768 | - | ||||||
63 | #if BLOCKSIZE % 64 != 0 | - | ||||||
64 | # error "invalid BLOCKSIZE" | - | ||||||
65 | #endif | - | ||||||
66 | - | |||||||
67 | #if ! HAVE_OPENSSL_MD5 | - | ||||||
68 | /* This array contains the bytes used to pad the buffer to the next | - | ||||||
69 | 64-byte boundary. (RFC 1321, 3.1: Step 1) */ | - | ||||||
70 | static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ }; | - | ||||||
71 | - | |||||||
72 | - | |||||||
73 | /* Initialize structure containing state of computation. | - | ||||||
74 | (RFC 1321, 3.3: Step 3) */ | - | ||||||
75 | void | - | ||||||
76 | md5_init_ctx (struct md5_ctx *ctx) | - | ||||||
77 | { | - | ||||||
78 | ctx->A = 0x67452301; | - | ||||||
79 | ctx->B = 0xefcdab89; | - | ||||||
80 | ctx->C = 0x98badcfe; | - | ||||||
81 | ctx->D = 0x10325476; | - | ||||||
82 | - | |||||||
83 | ctx->total[0] = ctx->total[1] = 0; | - | ||||||
84 | ctx->buflen = 0; | - | ||||||
85 | } executed 1586 times by 2 tests: end of block Executed by:
| 1586 | ||||||
86 | - | |||||||
87 | /* Copy the 4 byte value from v into the memory location pointed to by *cp, | - | ||||||
88 | If your architecture allows unaligned access this is equivalent to | - | ||||||
89 | * (uint32_t *) cp = v */ | - | ||||||
90 | static void | - | ||||||
91 | set_uint32 (char *cp, uint32_t v) | - | ||||||
92 | { | - | ||||||
93 | memcpy (cp, &v, sizeof v); | - | ||||||
94 | } executed 5168964 times by 2 tests: end of block Executed by:
| 5168964 | ||||||
95 | - | |||||||
96 | /* Put result from CTX in first 16 bytes following RESBUF. The result | - | ||||||
97 | must be in little endian byte order. */ | - | ||||||
98 | void * | - | ||||||
99 | md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) | - | ||||||
100 | { | - | ||||||
101 | char *r = resbuf; | - | ||||||
102 | set_uint32 (r + 0 * sizeof ctx->A, SWAP (ctx->A)); | - | ||||||
103 | set_uint32 (r + 1 * sizeof ctx->B, SWAP (ctx->B)); | - | ||||||
104 | set_uint32 (r + 2 * sizeof ctx->C, SWAP (ctx->C)); | - | ||||||
105 | set_uint32 (r + 3 * sizeof ctx->D, SWAP (ctx->D)); | - | ||||||
106 | - | |||||||
107 | return resbuf; executed 1292241 times by 2 tests: return resbuf; Executed by:
| 1292241 | ||||||
108 | } | - | ||||||
109 | - | |||||||
110 | /* Process the remaining bytes in the internal buffer and the usual | - | ||||||
111 | prolog according to the standard and write the result to RESBUF. */ | - | ||||||
112 | void * | - | ||||||
113 | md5_finish_ctx (struct md5_ctx *ctx, void *resbuf) | - | ||||||
114 | { | - | ||||||
115 | /* Take yet unprocessed bytes into account. */ | - | ||||||
116 | uint32_t bytes = ctx->buflen; | - | ||||||
117 | size_t size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4;
| 1-1292240 | ||||||
118 | - | |||||||
119 | /* Now count remaining bytes. */ | - | ||||||
120 | ctx->total[0] += bytes; | - | ||||||
121 | if (ctx->total[0] < bytes)
| 0-1292241 | ||||||
122 | ++ctx->total[1]; never executed: ++ctx->total[1]; | 0 | ||||||
123 | - | |||||||
124 | /* Put the 64-bit file length in *bits* at the end of the buffer. */ | - | ||||||
125 | ctx->buffer[size - 2] = SWAP (ctx->total[0] << 3); | - | ||||||
126 | ctx->buffer[size - 1] = SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29)); | - | ||||||
127 | - | |||||||
128 | memcpy (&((char *) ctx->buffer)[bytes], fillbuf, (size - 2) * 4 - bytes); | - | ||||||
129 | - | |||||||
130 | /* Process last bytes. */ | - | ||||||
131 | md5_process_block (ctx->buffer, size * 4, ctx); | - | ||||||
132 | - | |||||||
133 | return md5_read_ctx (ctx, resbuf); executed 1292241 times by 2 tests: return md5_read_ctx (ctx, resbuf); Executed by:
| 1292241 | ||||||
134 | } | - | ||||||
135 | #endif | - | ||||||
136 | - | |||||||
137 | /* Compute MD5 message digest for bytes read from STREAM. The | - | ||||||
138 | resulting message digest number will be written into the 16 bytes | - | ||||||
139 | beginning at RESBLOCK. */ | - | ||||||
140 | int | - | ||||||
141 | md5_stream (FILE *stream, void *resblock) | - | ||||||
142 | { | - | ||||||
143 | struct md5_ctx ctx; | - | ||||||
144 | size_t sum; | - | ||||||
145 | - | |||||||
146 | char *buffer = malloc (BLOCKSIZE + 72); | - | ||||||
147 | if (!buffer)
| 0-1571 | ||||||
148 | return 1; never executed: return 1; | 0 | ||||||
149 | - | |||||||
150 | /* Initialize the computation context. */ | - | ||||||
151 | md5_init_ctx (&ctx); | - | ||||||
152 | - | |||||||
153 | /* Iterate over full file contents. */ | - | ||||||
154 | while (1) | - | ||||||
155 | { | - | ||||||
156 | /* We read the file in blocks of BLOCKSIZE bytes. One call of the | - | ||||||
157 | computation function processes the whole buffer so that with the | - | ||||||
158 | next round of the loop another block can be read. */ | - | ||||||
159 | size_t n; | - | ||||||
160 | sum = 0; | - | ||||||
161 | - | |||||||
162 | /* Read block. Take care for partial reads. */ | - | ||||||
163 | while (1) | - | ||||||
164 | { | - | ||||||
165 | n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream); | - | ||||||
166 | - | |||||||
167 | sum += n; | - | ||||||
168 | - | |||||||
169 | if (sum == BLOCKSIZE)
| 250-1571 | ||||||
170 | break; executed 250 times by 1 test: break; Executed by:
| 250 | ||||||
171 | - | |||||||
172 | if (n == 0)
| 49-1522 | ||||||
173 | { | - | ||||||
174 | /* Check for the error flag IFF N == 0, so that we don't | - | ||||||
175 | exit the loop after a partial read due to e.g., EAGAIN | - | ||||||
176 | or EWOULDBLOCK. */ | - | ||||||
177 | if (ferror (stream))
| 0-1522 | ||||||
178 | { | - | ||||||
179 | free (buffer); | - | ||||||
180 | return 1; never executed: return 1; | 0 | ||||||
181 | } | - | ||||||
182 | goto process_partial_block; executed 1522 times by 1 test: goto process_partial_block; Executed by:
| 1522 | ||||||
183 | } | - | ||||||
184 | - | |||||||
185 | /* We've read at least one byte, so ignore errors. But always | - | ||||||
186 | check for EOF, since feof may be true even though N > 0. | - | ||||||
187 | Otherwise, we could end up calling fread after EOF. */ | - | ||||||
188 | if (feof (stream))
| 0-49 | ||||||
189 | goto process_partial_block; executed 49 times by 1 test: goto process_partial_block; Executed by:
| 49 | ||||||
190 | } never executed: end of block | 0 | ||||||
191 | - | |||||||
192 | /* Process buffer with BLOCKSIZE bytes. Note that | - | ||||||
193 | BLOCKSIZE % 64 == 0 | - | ||||||
194 | */ | - | ||||||
195 | md5_process_block (buffer, BLOCKSIZE, &ctx); | - | ||||||
196 | } executed 250 times by 1 test: end of block Executed by:
| 250 | ||||||
197 | - | |||||||
198 | process_partial_block: code before this statement never executed: process_partial_block: | 0 | ||||||
199 | - | |||||||
200 | /* Process any remaining bytes. */ | - | ||||||
201 | if (sum > 0)
| 49-1522 | ||||||
202 | md5_process_bytes (buffer, sum, &ctx); executed 49 times by 1 test: md5_process_bytes (buffer, sum, &ctx); Executed by:
| 49 | ||||||
203 | - | |||||||
204 | /* Construct result in desired memory. */ | - | ||||||
205 | md5_finish_ctx (&ctx, resblock); | - | ||||||
206 | free (buffer); | - | ||||||
207 | return 0; executed 1571 times by 1 test: return 0; Executed by:
| 1571 | ||||||
208 | } | - | ||||||
209 | - | |||||||
210 | #if ! HAVE_OPENSSL_MD5 | - | ||||||
211 | /* Compute MD5 message digest for LEN bytes beginning at BUFFER. The | - | ||||||
212 | result is always in little endian byte order, so that a byte-wise | - | ||||||
213 | output yields to the wanted ASCII representation of the message | - | ||||||
214 | digest. */ | - | ||||||
215 | void * | - | ||||||
216 | md5_buffer (const char *buffer, size_t len, void *resblock) | - | ||||||
217 | { | - | ||||||
218 | struct md5_ctx ctx; | - | ||||||
219 | - | |||||||
220 | /* Initialize the computation context. */ | - | ||||||
221 | md5_init_ctx (&ctx); | - | ||||||
222 | - | |||||||
223 | /* Process whole buffer but last len % 64 bytes. */ | - | ||||||
224 | md5_process_bytes (buffer, len, &ctx); | - | ||||||
225 | - | |||||||
226 | /* Put result in desired memory area. */ | - | ||||||
227 | return md5_finish_ctx (&ctx, resblock); never executed: return md5_finish_ctx (&ctx, resblock); | 0 | ||||||
228 | } | - | ||||||
229 | - | |||||||
230 | - | |||||||
231 | void | - | ||||||
232 | md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx) | - | ||||||
233 | { | - | ||||||
234 | /* When we already have some bits in our internal buffer concatenate | - | ||||||
235 | both inputs first. */ | - | ||||||
236 | if (ctx->buflen != 0)
| 64-1290670 | ||||||
237 | { | - | ||||||
238 | size_t left_over = ctx->buflen; | - | ||||||
239 | size_t add = 128 - left_over > len ? len : 128 - left_over;
| 0-1290670 | ||||||
240 | - | |||||||
241 | memcpy (&((char *) ctx->buffer)[left_over], buffer, add); | - | ||||||
242 | ctx->buflen += add; | - | ||||||
243 | - | |||||||
244 | if (ctx->buflen > 64)
| 240828-1049842 | ||||||
245 | { | - | ||||||
246 | md5_process_block (ctx->buffer, ctx->buflen & ~63, ctx); | - | ||||||
247 | - | |||||||
248 | ctx->buflen &= 63; | - | ||||||
249 | /* The regions in the following copy operation cannot overlap, | - | ||||||
250 | because ctx->buflen < 64 ≤ (left_over + add) & ~63. */ | - | ||||||
251 | memcpy (ctx->buffer, | - | ||||||
252 | &((char *) ctx->buffer)[(left_over + add) & ~63], | - | ||||||
253 | ctx->buflen); | - | ||||||
254 | } executed 240828 times by 1 test: end of block Executed by:
| 240828 | ||||||
255 | - | |||||||
256 | buffer = (const char *) buffer + add; | - | ||||||
257 | len -= add; | - | ||||||
258 | } executed 1290670 times by 1 test: end of block Executed by:
| 1290670 | ||||||
259 | - | |||||||
260 | /* Process available complete blocks. */ | - | ||||||
261 | if (len >= 64)
| 3-1290731 | ||||||
262 | { | - | ||||||
263 | #if !(_STRING_ARCH_unaligned || _STRING_INLINE_unaligned) | - | ||||||
264 | # define UNALIGNED_P(p) ((uintptr_t) (p) % alignof (uint32_t) != 0) | - | ||||||
265 | if (UNALIGNED_P (buffer)) | - | ||||||
266 | while (len > 64) | - | ||||||
267 | { | - | ||||||
268 | md5_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx); | - | ||||||
269 | buffer = (const char *) buffer + 64; | - | ||||||
270 | len -= 64; | - | ||||||
271 | } | - | ||||||
272 | else | - | ||||||
273 | #endif | - | ||||||
274 | { | - | ||||||
275 | md5_process_block (buffer, len & ~63, ctx); | - | ||||||
276 | buffer = (const char *) buffer + (len & ~63); | - | ||||||
277 | len &= 63; | - | ||||||
278 | } | - | ||||||
279 | } executed 3 times by 1 test: end of block Executed by:
| 3 | ||||||
280 | - | |||||||
281 | /* Move remaining bytes in internal buffer. */ | - | ||||||
282 | if (len > 0)
| 64-1290670 | ||||||
283 | { | - | ||||||
284 | size_t left_over = ctx->buflen; | - | ||||||
285 | - | |||||||
286 | memcpy (&((char *) ctx->buffer)[left_over], buffer, len); | - | ||||||
287 | left_over += len; | - | ||||||
288 | if (left_over >= 64)
| 0-64 | ||||||
289 | { | - | ||||||
290 | md5_process_block (ctx->buffer, 64, ctx); | - | ||||||
291 | left_over -= 64; | - | ||||||
292 | /* The regions in the following copy operation cannot overlap, | - | ||||||
293 | because left_over ≤ 64. */ | - | ||||||
294 | memcpy (ctx->buffer, &ctx->buffer[16], left_over); | - | ||||||
295 | } never executed: end of block | 0 | ||||||
296 | ctx->buflen = left_over; | - | ||||||
297 | } executed 64 times by 2 tests: end of block Executed by:
| 64 | ||||||
298 | } executed 1290734 times by 2 tests: end of block Executed by:
| 1290734 | ||||||
299 | - | |||||||
300 | - | |||||||
301 | /* These are the four functions used in the four steps of the MD5 algorithm | - | ||||||
302 | and defined in the RFC 1321. The first function is a little bit optimized | - | ||||||
303 | (as found in Colin Plumbs public domain implementation). */ | - | ||||||
304 | /* #define FF(b, c, d) ((b & c) | (~b & d)) */ | - | ||||||
305 | #define FF(b, c, d) (d ^ (b & (c ^ d))) | - | ||||||
306 | #define FG(b, c, d) FF (d, b, c) | - | ||||||
307 | #define FH(b, c, d) (b ^ c ^ d) | - | ||||||
308 | #define FI(b, c, d) (c ^ (b | ~d)) | - | ||||||
309 | - | |||||||
310 | /* Process LEN bytes of BUFFER, accumulating context into CTX. | - | ||||||
311 | It is assumed that LEN % 64 == 0. */ | - | ||||||
312 | - | |||||||
313 | void | - | ||||||
314 | md5_process_block (const void *buffer, size_t len, struct md5_ctx *ctx) | - | ||||||
315 | { | - | ||||||
316 | uint32_t correct_words[16]; | - | ||||||
317 | const uint32_t *words = buffer; | - | ||||||
318 | size_t nwords = len / sizeof (uint32_t); | - | ||||||
319 | const uint32_t *endp = words + nwords; | - | ||||||
320 | uint32_t A = ctx->A; | - | ||||||
321 | uint32_t B = ctx->B; | - | ||||||
322 | uint32_t C = ctx->C; | - | ||||||
323 | uint32_t D = ctx->D; | - | ||||||
324 | uint32_t lolen = len; | - | ||||||
325 | - | |||||||
326 | /* First increment the byte count. RFC 1321 specifies the possible | - | ||||||
327 | length of the file up to 2^64 bits. Here we only compute the | - | ||||||
328 | number of bytes. Do a double word increment. */ | - | ||||||
329 | ctx->total[0] += lolen; | - | ||||||
330 | ctx->total[1] += (len >> 31 >> 1) + (ctx->total[0] < lolen); | - | ||||||
331 | - | |||||||
332 | /* Process all bytes in the buffer with 64 bytes in each round of | - | ||||||
333 | the loop. */ | - | ||||||
334 | while (words < endp)
| 1533322-1661253 | ||||||
335 | { | - | ||||||
336 | uint32_t *cwp = correct_words; | - | ||||||
337 | uint32_t A_save = A; | - | ||||||
338 | uint32_t B_save = B; | - | ||||||
339 | uint32_t C_save = C; | - | ||||||
340 | uint32_t D_save = D; | - | ||||||
341 | - | |||||||
342 | /* First round: using the given function, the context and a constant | - | ||||||
343 | the next context is computed. Because the algorithms processing | - | ||||||
344 | unit is a 32-bit word and it is determined to work on words in | - | ||||||
345 | little endian byte order we perhaps have to change the byte order | - | ||||||
346 | before the computation. To reduce the work for the next steps | - | ||||||
347 | we store the swapped words in the array CORRECT_WORDS. */ | - | ||||||
348 | - | |||||||
349 | #define OP(a, b, c, d, s, T) \ | - | ||||||
350 | do \ | - | ||||||
351 | { \ | - | ||||||
352 | a += FF (b, c, d) + (*cwp++ = SWAP (*words)) + T; \ | - | ||||||
353 | ++words; \ | - | ||||||
354 | CYCLIC (a, s); \ | - | ||||||
355 | a += b; \ | - | ||||||
356 | } \ | - | ||||||
357 | while (0) | - | ||||||
358 | - | |||||||
359 | /* It is unfortunate that C does not provide an operator for | - | ||||||
360 | cyclic rotation. Hope the C compiler is smart enough. */ | - | ||||||
361 | #define CYCLIC(w, s) (w = (w << s) | (w >> (32 - s))) | - | ||||||
362 | - | |||||||
363 | /* Before we start, one word to the strange constants. | - | ||||||
364 | They are defined in RFC 1321 as | - | ||||||
365 | - | |||||||
366 | T[i] = (int) (4294967296.0 * fabs (sin (i))), i=1..64 | - | ||||||
367 | - | |||||||
368 | Here is an equivalent invocation using Perl: | - | ||||||
369 | - | |||||||
370 | perl -e 'foreach(1..64){printf "0x%08x\n", int (4294967296 * abs (sin $_))}' | - | ||||||
371 | */ | - | ||||||
372 | - | |||||||
373 | /* Round 1. */ | - | ||||||
374 | OP (A, B, C, D, 7, 0xd76aa478); | - | ||||||
375 | OP (D, A, B, C, 12, 0xe8c7b756); | - | ||||||
376 | OP (C, D, A, B, 17, 0x242070db); | - | ||||||
377 | OP (B, C, D, A, 22, 0xc1bdceee); | - | ||||||
378 | OP (A, B, C, D, 7, 0xf57c0faf); | - | ||||||
379 | OP (D, A, B, C, 12, 0x4787c62a); | - | ||||||
380 | OP (C, D, A, B, 17, 0xa8304613); | - | ||||||
381 | OP (B, C, D, A, 22, 0xfd469501); | - | ||||||
382 | OP (A, B, C, D, 7, 0x698098d8); | - | ||||||
383 | OP (D, A, B, C, 12, 0x8b44f7af); | - | ||||||
384 | OP (C, D, A, B, 17, 0xffff5bb1); | - | ||||||
385 | OP (B, C, D, A, 22, 0x895cd7be); | - | ||||||
386 | OP (A, B, C, D, 7, 0x6b901122); | - | ||||||
387 | OP (D, A, B, C, 12, 0xfd987193); | - | ||||||
388 | OP (C, D, A, B, 17, 0xa679438e); | - | ||||||
389 | OP (B, C, D, A, 22, 0x49b40821); | - | ||||||
390 | - | |||||||
391 | /* For the second to fourth round we have the possibly swapped words | - | ||||||
392 | in CORRECT_WORDS. Redefine the macro to take an additional first | - | ||||||
393 | argument specifying the function to use. */ | - | ||||||
394 | #undef OP | - | ||||||
395 | #define OP(f, a, b, c, d, k, s, T) \ | - | ||||||
396 | do \ | - | ||||||
397 | { \ | - | ||||||
398 | a += f (b, c, d) + correct_words[k] + T; \ | - | ||||||
399 | CYCLIC (a, s); \ | - | ||||||
400 | a += b; \ | - | ||||||
401 | } \ | - | ||||||
402 | while (0) | - | ||||||
403 | - | |||||||
404 | /* Round 2. */ | - | ||||||
405 | OP (FG, A, B, C, D, 1, 5, 0xf61e2562); | - | ||||||
406 | OP (FG, D, A, B, C, 6, 9, 0xc040b340); | - | ||||||
407 | OP (FG, C, D, A, B, 11, 14, 0x265e5a51); | - | ||||||
408 | OP (FG, B, C, D, A, 0, 20, 0xe9b6c7aa); | - | ||||||
409 | OP (FG, A, B, C, D, 5, 5, 0xd62f105d); | - | ||||||
410 | OP (FG, D, A, B, C, 10, 9, 0x02441453); | - | ||||||
411 | OP (FG, C, D, A, B, 15, 14, 0xd8a1e681); | - | ||||||
412 | OP (FG, B, C, D, A, 4, 20, 0xe7d3fbc8); | - | ||||||
413 | OP (FG, A, B, C, D, 9, 5, 0x21e1cde6); | - | ||||||
414 | OP (FG, D, A, B, C, 14, 9, 0xc33707d6); | - | ||||||
415 | OP (FG, C, D, A, B, 3, 14, 0xf4d50d87); | - | ||||||
416 | OP (FG, B, C, D, A, 8, 20, 0x455a14ed); | - | ||||||
417 | OP (FG, A, B, C, D, 13, 5, 0xa9e3e905); | - | ||||||
418 | OP (FG, D, A, B, C, 2, 9, 0xfcefa3f8); | - | ||||||
419 | OP (FG, C, D, A, B, 7, 14, 0x676f02d9); | - | ||||||
420 | OP (FG, B, C, D, A, 12, 20, 0x8d2a4c8a); | - | ||||||
421 | - | |||||||
422 | /* Round 3. */ | - | ||||||
423 | OP (FH, A, B, C, D, 5, 4, 0xfffa3942); | - | ||||||
424 | OP (FH, D, A, B, C, 8, 11, 0x8771f681); | - | ||||||
425 | OP (FH, C, D, A, B, 11, 16, 0x6d9d6122); | - | ||||||
426 | OP (FH, B, C, D, A, 14, 23, 0xfde5380c); | - | ||||||
427 | OP (FH, A, B, C, D, 1, 4, 0xa4beea44); | - | ||||||
428 | OP (FH, D, A, B, C, 4, 11, 0x4bdecfa9); | - | ||||||
429 | OP (FH, C, D, A, B, 7, 16, 0xf6bb4b60); | - | ||||||
430 | OP (FH, B, C, D, A, 10, 23, 0xbebfbc70); | - | ||||||
431 | OP (FH, A, B, C, D, 13, 4, 0x289b7ec6); | - | ||||||
432 | OP (FH, D, A, B, C, 0, 11, 0xeaa127fa); | - | ||||||
433 | OP (FH, C, D, A, B, 3, 16, 0xd4ef3085); | - | ||||||
434 | OP (FH, B, C, D, A, 6, 23, 0x04881d05); | - | ||||||
435 | OP (FH, A, B, C, D, 9, 4, 0xd9d4d039); | - | ||||||
436 | OP (FH, D, A, B, C, 12, 11, 0xe6db99e5); | - | ||||||
437 | OP (FH, C, D, A, B, 15, 16, 0x1fa27cf8); | - | ||||||
438 | OP (FH, B, C, D, A, 2, 23, 0xc4ac5665); | - | ||||||
439 | - | |||||||
440 | /* Round 4. */ | - | ||||||
441 | OP (FI, A, B, C, D, 0, 6, 0xf4292244); | - | ||||||
442 | OP (FI, D, A, B, C, 7, 10, 0x432aff97); | - | ||||||
443 | OP (FI, C, D, A, B, 14, 15, 0xab9423a7); | - | ||||||
444 | OP (FI, B, C, D, A, 5, 21, 0xfc93a039); | - | ||||||
445 | OP (FI, A, B, C, D, 12, 6, 0x655b59c3); | - | ||||||
446 | OP (FI, D, A, B, C, 3, 10, 0x8f0ccc92); | - | ||||||
447 | OP (FI, C, D, A, B, 10, 15, 0xffeff47d); | - | ||||||
448 | OP (FI, B, C, D, A, 1, 21, 0x85845dd1); | - | ||||||
449 | OP (FI, A, B, C, D, 8, 6, 0x6fa87e4f); | - | ||||||
450 | OP (FI, D, A, B, C, 15, 10, 0xfe2ce6e0); | - | ||||||
451 | OP (FI, C, D, A, B, 6, 15, 0xa3014314); | - | ||||||
452 | OP (FI, B, C, D, A, 13, 21, 0x4e0811a1); | - | ||||||
453 | OP (FI, A, B, C, D, 4, 6, 0xf7537e82); | - | ||||||
454 | OP (FI, D, A, B, C, 11, 10, 0xbd3af235); | - | ||||||
455 | OP (FI, C, D, A, B, 2, 15, 0x2ad7d2bb); | - | ||||||
456 | OP (FI, B, C, D, A, 9, 21, 0xeb86d391); | - | ||||||
457 | - | |||||||
458 | /* Add the starting values of the context. */ | - | ||||||
459 | A += A_save; | - | ||||||
460 | B += B_save; | - | ||||||
461 | C += C_save; | - | ||||||
462 | D += D_save; | - | ||||||
463 | } executed 1661253 times by 2 tests: end of block Executed by:
| 1661253 | ||||||
464 | - | |||||||
465 | /* Put checksum in context given as argument. */ | - | ||||||
466 | ctx->A = A; | - | ||||||
467 | ctx->B = B; | - | ||||||
468 | ctx->C = C; | - | ||||||
469 | ctx->D = D; | - | ||||||
470 | } executed 1533322 times by 2 tests: end of block Executed by:
| 1533322 | ||||||
471 | #endif | - | ||||||
472 | - | |||||||
473 | /* | - | ||||||
474 | * Hey Emacs! | - | ||||||
475 | * Local Variables: | - | ||||||
476 | * coding: utf-8 | - | ||||||
477 | * End: | - | ||||||
478 | */ | - | ||||||
Source code | Switch to Preprocessed file |