xref: /freebsd/sbin/md5/md5.c (revision 0957b409) 
1 /*
2  * Derived from:
3  *
4  * MDDRIVER.C - test driver for MD2, MD4 and MD5
5  */
6 
7 /*
8  *  Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
9  *  rights reserved.
10  *
11  *  RSA Data Security, Inc. makes no representations concerning either
12  *  the merchantability of this software or the suitability of this
13  *  software for any particular purpose. It is provided "as is"
14  *  without express or implied warranty of any kind.
15  *
16  *  These notices must be retained in any copies of any part of this
17  *  documentation and/or software.
18  */
19 
20 #include <sys/cdefs.h>
21 __FBSDID("$FreeBSD$");
22 
23 #include <sys/types.h>
24 #include <sys/time.h>
25 #include <sys/resource.h>
26 #include <err.h>
27 #include <fcntl.h>
28 #include <md5.h>
29 #include <ripemd.h>
30 #include <sha.h>
31 #include <sha224.h>
32 #include <sha256.h>
33 #include <sha384.h>
34 #include <sha512.h>
35 #include <sha512t.h>
36 #include <skein.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <time.h>
41 #include <unistd.h>
42 
43 #ifdef HAVE_CAPSICUM
44 #include <sys/capsicum.h>
45 #include <capsicum_helpers.h>
46 #endif
47 
48 /*
49  * Length of test block, number of test blocks.
50  */
51 #define TEST_BLOCK_LEN 10000
52 #define TEST_BLOCK_COUNT 100000
53 #define MDTESTCOUNT 8
54 
55 static int qflag;
56 static int rflag;
57 static int sflag;
58 static char* checkAgainst;
59 static int checksFailed;
60 
61 typedef void (DIGEST_Init)(void *);
62 typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
63 typedef char *(DIGEST_End)(void *, char *);
64 
65 extern const char *MD5TestOutput[MDTESTCOUNT];
66 extern const char *SHA1_TestOutput[MDTESTCOUNT];
67 extern const char *SHA224_TestOutput[MDTESTCOUNT];
68 extern const char *SHA256_TestOutput[MDTESTCOUNT];
69 extern const char *SHA384_TestOutput[MDTESTCOUNT];
70 extern const char *SHA512_TestOutput[MDTESTCOUNT];
71 extern const char *SHA512t256_TestOutput[MDTESTCOUNT];
72 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
73 extern const char *SKEIN256_TestOutput[MDTESTCOUNT];
74 extern const char *SKEIN512_TestOutput[MDTESTCOUNT];
75 extern const char *SKEIN1024_TestOutput[MDTESTCOUNT];
76 
77 typedef struct Algorithm_t {
78 	const char *progname;
79 	const char *name;
80 	const char *(*TestOutput)[MDTESTCOUNT];
81 	DIGEST_Init *Init;
82 	DIGEST_Update *Update;
83 	DIGEST_End *End;
84 	char *(*Data)(const void *, unsigned int, char *);
85 	char *(*Fd)(int, char *);
86 } Algorithm_t;
87 
88 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
89 static void MDString(const Algorithm_t *, const char *);
90 static void MDTimeTrial(const Algorithm_t *);
91 static void MDTestSuite(const Algorithm_t *);
92 static void MDFilter(const Algorithm_t *, int);
93 static void usage(const Algorithm_t *);
94 
95 typedef union {
96 	MD5_CTX md5;
97 	SHA1_CTX sha1;
98 	SHA224_CTX sha224;
99 	SHA256_CTX sha256;
100 	SHA384_CTX sha384;
101 	SHA512_CTX sha512;
102 	RIPEMD160_CTX ripemd160;
103 	SKEIN256_CTX skein256;
104 	SKEIN512_CTX skein512;
105 	SKEIN1024_CTX skein1024;
106 } DIGEST_CTX;
107 
108 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
109 	SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH,
110 	RIPEMD160_DIGEST_LENGTH, SKEIN1024_DIGEST_LENGTH)*2+1 */
111 #define HEX_DIGEST_LENGTH 257
112 
113 /* algorithm function table */
114 
115 static const struct Algorithm_t Algorithm[] = {
116 	{ "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
117 		(DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
118 		&MD5Data, &MD5Fd },
119 	{ "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
120 		(DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
121 		&SHA1_Data, &SHA1_Fd },
122 	{ "sha224", "SHA224", &SHA224_TestOutput, (DIGEST_Init*)&SHA224_Init,
123 		(DIGEST_Update*)&SHA224_Update, (DIGEST_End*)&SHA224_End,
124 		&SHA224_Data, &SHA224_Fd },
125 	{ "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
126 		(DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
127 		&SHA256_Data, &SHA256_Fd },
128 	{ "sha384", "SHA384", &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init,
129 		(DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End,
130 		&SHA384_Data, &SHA384_Fd },
131 	{ "sha512", "SHA512", &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init,
132 		(DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End,
133 		&SHA512_Data, &SHA512_Fd },
134 	{ "sha512t256", "SHA512t256", &SHA512t256_TestOutput, (DIGEST_Init*)&SHA512_256_Init,
135 		(DIGEST_Update*)&SHA512_256_Update, (DIGEST_End*)&SHA512_256_End,
136 		&SHA512_256_Data, &SHA512_256_Fd },
137 	{ "rmd160", "RMD160", &RIPEMD160_TestOutput,
138 		(DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
139 		(DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_Fd },
140 	{ "skein256", "Skein256", &SKEIN256_TestOutput,
141 		(DIGEST_Init*)&SKEIN256_Init, (DIGEST_Update*)&SKEIN256_Update,
142 		(DIGEST_End*)&SKEIN256_End, &SKEIN256_Data, &SKEIN256_Fd },
143 	{ "skein512", "Skein512", &SKEIN512_TestOutput,
144 		(DIGEST_Init*)&SKEIN512_Init, (DIGEST_Update*)&SKEIN512_Update,
145 		(DIGEST_End*)&SKEIN512_End, &SKEIN512_Data, &SKEIN512_Fd },
146 	{ "skein1024", "Skein1024", &SKEIN1024_TestOutput,
147 		(DIGEST_Init*)&SKEIN1024_Init, (DIGEST_Update*)&SKEIN1024_Update,
148 		(DIGEST_End*)&SKEIN1024_End, &SKEIN1024_Data, &SKEIN1024_Fd }
149 };
150 
151 static void
152 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
153 {
154 	MD5Update(c, data, len);
155 }
156 
157 /* Main driver.
158 
159 Arguments (may be any combination):
160   -sstring - digests string
161   -t       - runs time trial
162   -x       - runs test script
163   filename - digests file
164   (none)   - digests standard input
165  */
166 int
167 main(int argc, char *argv[])
168 {
169 #ifdef HAVE_CAPSICUM
170 	cap_rights_t	rights;
171 #endif
172 	int	ch, fd;
173 	char   *p;
174 	char	buf[HEX_DIGEST_LENGTH];
175 	int	failed;
176  	unsigned	digest;
177  	const char*	progname;
178 
179  	if ((progname = strrchr(argv[0], '/')) == NULL)
180  		progname = argv[0];
181  	else
182  		progname++;
183 
184  	for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
185  		if (strcasecmp(Algorithm[digest].progname, progname) == 0)
186  			break;
187 
188  	if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
189  		digest = 0;
190 
191 	failed = 0;
192 	checkAgainst = NULL;
193 	checksFailed = 0;
194 	while ((ch = getopt(argc, argv, "c:pqrs:tx")) != -1)
195 		switch (ch) {
196 		case 'c':
197 			checkAgainst = optarg;
198 			break;
199 		case 'p':
200 			MDFilter(&Algorithm[digest], 1);
201 			break;
202 		case 'q':
203 			qflag = 1;
204 			break;
205 		case 'r':
206 			rflag = 1;
207 			break;
208 		case 's':
209 			sflag = 1;
210 			MDString(&Algorithm[digest], optarg);
211 			break;
212 		case 't':
213 			MDTimeTrial(&Algorithm[digest]);
214 			break;
215 		case 'x':
216 			MDTestSuite(&Algorithm[digest]);
217 			break;
218 		default:
219 			usage(&Algorithm[digest]);
220 		}
221 	argc -= optind;
222 	argv += optind;
223 
224 #ifdef HAVE_CAPSICUM
225 	if (caph_limit_stdout() < 0 || caph_limit_stderr() < 0)
226 		err(1, "unable to limit rights for stdio");
227 #endif
228 
229 	if (*argv) {
230 		do {
231 			if ((fd = open(*argv, O_RDONLY)) < 0) {
232 				warn("%s", *argv);
233 				failed++;
234 				continue;
235 			}
236 			/*
237 			 * XXX Enter capability mode on the last argv file.
238 			 * When a casper file service or other approach is
239 			 * available, switch to that and enter capability mode
240 			 * earlier.
241 			 */
242 			if (*(argv + 1) == NULL) {
243 #ifdef HAVE_CAPSICUM
244 				cap_rights_init(&rights, CAP_READ);
245 				if (caph_rights_limit(fd, &rights) < 0 ||
246 				    caph_enter() < 0)
247 					err(1, "capsicum");
248 #endif
249 			}
250 			if ((p = Algorithm[digest].Fd(fd, buf)) == NULL) {
251 				warn("%s", *argv);
252 				failed++;
253 			} else {
254 				if (qflag)
255 					printf("%s", p);
256 				else if (rflag)
257 					printf("%s %s", p, *argv);
258 				else
259 					printf("%s (%s) = %s",
260 					    Algorithm[digest].name, *argv, p);
261 				if (checkAgainst && strcasecmp(checkAgainst, p) != 0)
262 				{
263 					checksFailed++;
264 					if (!qflag)
265 						printf(" [ Failed ]");
266 				}
267 				printf("\n");
268 			}
269 		} while (*++argv);
270 	} else if (!sflag && (optind == 1 || qflag || rflag)) {
271 #ifdef HAVE_CAPSICUM
272 		if (caph_limit_stdin() < 0 || caph_enter() < 0)
273 			err(1, "capsicum");
274 #endif
275 		MDFilter(&Algorithm[digest], 0);
276 	}
277 
278 	if (failed != 0)
279 		return (1);
280 	if (checksFailed != 0)
281 		return (2);
282 
283 	return (0);
284 }
285 /*
286  * Digests a string and prints the result.
287  */
288 static void
289 MDString(const Algorithm_t *alg, const char *string)
290 {
291 	size_t len = strlen(string);
292 	char buf[HEX_DIGEST_LENGTH];
293 
294 	alg->Data(string,len,buf);
295 	if (qflag)
296 		printf("%s", buf);
297 	else if (rflag)
298 		printf("%s \"%s\"", buf, string);
299 	else
300 		printf("%s (\"%s\") = %s", alg->name, string, buf);
301 	if (checkAgainst && strcasecmp(buf,checkAgainst) != 0)
302 	{
303 		checksFailed++;
304 		if (!qflag)
305 			printf(" [ failed ]");
306 	}
307 	printf("\n");
308 }
309 /*
310  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
311  */
312 static void
313 MDTimeTrial(const Algorithm_t *alg)
314 {
315 	DIGEST_CTX context;
316 	struct rusage before, after;
317 	struct timeval total;
318 	float seconds;
319 	unsigned char block[TEST_BLOCK_LEN];
320 	unsigned int i;
321 	char *p, buf[HEX_DIGEST_LENGTH];
322 
323 	printf("%s time trial. Digesting %d %d-byte blocks ...",
324 	    alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
325 	fflush(stdout);
326 
327 	/* Initialize block */
328 	for (i = 0; i < TEST_BLOCK_LEN; i++)
329 		block[i] = (unsigned char) (i & 0xff);
330 
331 	/* Start timer */
332 	getrusage(RUSAGE_SELF, &before);
333 
334 	/* Digest blocks */
335 	alg->Init(&context);
336 	for (i = 0; i < TEST_BLOCK_COUNT; i++)
337 		alg->Update(&context, block, TEST_BLOCK_LEN);
338 	p = alg->End(&context, buf);
339 
340 	/* Stop timer */
341 	getrusage(RUSAGE_SELF, &after);
342 	timersub(&after.ru_utime, &before.ru_utime, &total);
343 	seconds = total.tv_sec + (float) total.tv_usec / 1000000;
344 
345 	printf(" done\n");
346 	printf("Digest = %s", p);
347 	printf("\nTime = %f seconds\n", seconds);
348 	printf("Speed = %f MiB/second\n", (float) TEST_BLOCK_LEN *
349 		(float) TEST_BLOCK_COUNT / seconds / (1 << 20));
350 }
351 /*
352  * Digests a reference suite of strings and prints the results.
353  */
354 
355 static const char *MDTestInput[MDTESTCOUNT] = {
356 	"",
357 	"a",
358 	"abc",
359 	"message digest",
360 	"abcdefghijklmnopqrstuvwxyz",
361 	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
362 	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
363 	"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
364 that its security is in some doubt"
365 };
366 
367 const char *MD5TestOutput[MDTESTCOUNT] = {
368 	"d41d8cd98f00b204e9800998ecf8427e",
369 	"0cc175b9c0f1b6a831c399e269772661",
370 	"900150983cd24fb0d6963f7d28e17f72",
371 	"f96b697d7cb7938d525a2f31aaf161d0",
372 	"c3fcd3d76192e4007dfb496cca67e13b",
373 	"d174ab98d277d9f5a5611c2c9f419d9f",
374 	"57edf4a22be3c955ac49da2e2107b67a",
375 	"b50663f41d44d92171cb9976bc118538"
376 };
377 
378 const char *SHA1_TestOutput[MDTESTCOUNT] = {
379 	"da39a3ee5e6b4b0d3255bfef95601890afd80709",
380 	"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
381 	"a9993e364706816aba3e25717850c26c9cd0d89d",
382 	"c12252ceda8be8994d5fa0290a47231c1d16aae3",
383 	"32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
384 	"761c457bf73b14d27e9e9265c46f4b4dda11f940",
385 	"50abf5706a150990a08b2c5ea40fa0e585554732",
386 	"18eca4333979c4181199b7b4fab8786d16cf2846"
387 };
388 
389 const char *SHA224_TestOutput[MDTESTCOUNT] = {
390 	"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
391 	"abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5",
392 	"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
393 	"2cb21c83ae2f004de7e81c3c7019cbcb65b71ab656b22d6d0c39b8eb",
394 	"45a5f72c39c5cff2522eb3429799e49e5f44b356ef926bcf390dccc2",
395 	"bff72b4fcb7d75e5632900ac5f90d219e05e97a7bde72e740db393d9",
396 	"b50aecbe4e9bb0b57bc5f3ae760a8e01db24f203fb3cdcd13148046e",
397 	"5ae55f3779c8a1204210d7ed7689f661fbe140f96f272ab79e19d470"
398 };
399 
400 const char *SHA256_TestOutput[MDTESTCOUNT] = {
401 	"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
402 	"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
403 	"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
404 	"f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
405 	"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
406 	"db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
407 	"f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
408 	"e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
409 };
410 
411 const char *SHA384_TestOutput[MDTESTCOUNT] = {
412 	"38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
413 	"54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31",
414 	"cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
415 	"473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5",
416 	"feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4",
417 	"1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84",
418 	"b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026",
419 	"99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb"
420 };
421 
422 const char *SHA512_TestOutput[MDTESTCOUNT] = {
423 	"cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
424 	"1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75",
425 	"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
426 	"107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c",
427 	"4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1",
428 	"1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894",
429 	"72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843",
430 	"e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3"
431 };
432 
433 const char *SHA512t256_TestOutput[MDTESTCOUNT] = {
434 	"c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
435 	"455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8",
436 	"53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23",
437 	"0cf471fd17ed69d990daf3433c89b16d63dec1bb9cb42a6094604ee5d7b4e9fb",
438 	"fc3189443f9c268f626aea08a756abe7b726b05f701cb08222312ccfd6710a26",
439 	"cdf1cc0effe26ecc0c13758f7b4a48e000615df241284185c39eb05d355bb9c8",
440 	"2c9fdbc0c90bdd87612ee8455474f9044850241dc105b1e8b94b8ddf5fac9148",
441 	"dd095fc859b336c30a52548b3dc59fcc0d1be8616ebcf3368fad23107db2d736"
442 };
443 
444 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
445 	"9c1185a5c5e9fc54612808977ee8f548b2258d31",
446 	"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
447 	"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
448 	"5d0689ef49d2fae572b881b123a85ffa21595f36",
449 	"f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
450 	"b0e20b6e3116640286ed3a87a5713079b21f5189",
451 	"9b752e45573d4b39f4dbd3323cab82bf63326bfb",
452 	"5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
453 };
454 
455 const char *SKEIN256_TestOutput[MDTESTCOUNT] = {
456 	"c8877087da56e072870daa843f176e9453115929094c3a40c463a196c29bf7ba",
457 	"7fba44ff1a31d71a0c1f82e6e82fb5e9ac6c92a39c9185b9951fed82d82fe635",
458 	"258bdec343b9fde1639221a5ae0144a96e552e5288753c5fec76c05fc2fc1870",
459 	"4d2ce0062b5eb3a4db95bc1117dd8aa014f6cd50fdc8e64f31f7d41f9231e488",
460 	"46d8440685461b00e3ddb891b2ecc6855287d2bd8834a95fb1c1708b00ea5e82",
461 	"7c5eb606389556b33d34eb2536459528dc0af97adbcd0ce273aeb650f598d4b2",
462 	"4def7a7e5464a140ae9c3a80279fbebce4bd00f9faad819ab7e001512f67a10d",
463 	"d9c017dbe355f318d036469eb9b5fbe129fc2b5786a9dc6746a516eab6fe0126"
464 };
465 
466 const char *SKEIN512_TestOutput[MDTESTCOUNT] = {
467 	"bc5b4c50925519c290cc634277ae3d6257212395cba733bbad37a4af0fa06af41fca7903d06564fea7a2d3730dbdb80c1f85562dfcc070334ea4d1d9e72cba7a",
468 	"b1cd8d33f61b3737adfd59bb13ad82f4a9548e92f22956a8976cca3fdb7fee4fe91698146c4197cec85d38b83c5d93bdba92c01fd9a53870d0c7f967bc62bdce",
469 	"8f5dd9ec798152668e35129496b029a960c9a9b88662f7f9482f110b31f9f93893ecfb25c009baad9e46737197d5630379816a886aa05526d3a70df272d96e75",
470 	"15b73c158ffb875fed4d72801ded0794c720b121c0c78edf45f900937e6933d9e21a3a984206933d504b5dbb2368000411477ee1b204c986068df77886542fcc",
471 	"23793ad900ef12f9165c8080da6fdfd2c8354a2929b8aadf83aa82a3c6470342f57cf8c035ec0d97429b626c4d94f28632c8f5134fd367dca5cf293d2ec13f8c",
472 	"0c6bed927e022f5ddcf81877d42e5f75798a9f8fd3ede3d83baac0a2f364b082e036c11af35fe478745459dd8f5c0b73efe3c56ba5bb2009208d5a29cc6e469c",
473 	"2ca9fcffb3456f297d1b5f407014ecb856f0baac8eb540f534b1f187196f21e88f31103128c2f03fcc9857d7a58eb66f9525e2302d88833ee069295537a434ce",
474 	"1131f2aaa0e97126c9314f9f968cc827259bbfabced2943bb8c9274448998fb3b78738b4580dd500c76105fd3c03e465e1414f2c29664286b1f79d3e51128125"
475 };
476 
477 const char *SKEIN1024_TestOutput[MDTESTCOUNT] = {
478 	"0fff9563bb3279289227ac77d319b6fff8d7e9f09da1247b72a0a265cd6d2a62645ad547ed8193db48cff847c06494a03f55666d3b47eb4c20456c9373c86297d630d5578ebd34cb40991578f9f52b18003efa35d3da6553ff35db91b81ab890bec1b189b7f52cb2a783ebb7d823d725b0b4a71f6824e88f68f982eefc6d19c6",
479 	"6ab4c4ba9814a3d976ec8bffa7fcc638ceba0544a97b3c98411323ffd2dc936315d13dc93c13c4e88cda6f5bac6f2558b2d8694d3b6143e40d644ae43ca940685cb37f809d3d0550c56cba8036dee729a4f8fb960732e59e64d57f7f7710f8670963cdcdc95b41daab4855fcf8b6762a64b173ee61343a2c7689af1d293eba97",
480 	"35a599a0f91abcdb4cb73c19b8cb8d947742d82c309137a7caed29e8e0a2ca7a9ff9a90c34c1908cc7e7fd99bb15032fb86e76df21b72628399b5f7c3cc209d7bb31c99cd4e19465622a049afbb87c03b5ce3888d17e6e667279ec0aa9b3e2712624c01b5f5bbe1a564220bdcf6990af0c2539019f313fdd7406cca3892a1f1f",
481 	"ea891f5268acd0fac97467fc1aa89d1ce8681a9992a42540e53babee861483110c2d16f49e73bac27653ff173003e40cfb08516cd34262e6af95a5d8645c9c1abb3e813604d508b8511b30f9a5c1b352aa0791c7d2f27b2706dccea54bc7de6555b5202351751c3299f97c09cf89c40f67187e2521c0fad82b30edbb224f0458",
482 	"f23d95c2a25fbcd0e797cd058fec39d3c52d2b5afd7a9af1df934e63257d1d3dcf3246e7329c0f1104c1e51e3d22e300507b0c3b9f985bb1f645ef49835080536becf83788e17fed09c9982ba65c3cb7ffe6a5f745b911c506962adf226e435c42f6f6bc08d288f9c810e807e3216ef444f3db22744441deefa4900982a1371f",
483 	"cf3889e8a8d11bfd3938055d7d061437962bc5eac8ae83b1b71c94be201b8cf657fdbfc38674997a008c0c903f56a23feb3ae30e012377f1cfa080a9ca7fe8b96138662653fb3335c7d06595bf8baf65e215307532094cfdfa056bd8052ab792a3944a2adaa47b30335b8badb8fe9eb94fe329cdca04e58bbc530f0af709f469",
484 	"cf21a613620e6c119eca31fdfaad449a8e02f95ca256c21d2a105f8e4157048f9fe1e897893ea18b64e0e37cb07d5ac947f27ba544caf7cbc1ad094e675aed77a366270f7eb7f46543bccfa61c526fd628408058ed00ed566ac35a9761d002e629c4fb0d430b2f4ad016fcc49c44d2981c4002da0eecc42144160e2eaea4855a",
485 	"e6799b78db54085a2be7ff4c8007f147fa88d326abab30be0560b953396d8802feee9a15419b48a467574e9283be15685ca8a079ee52b27166b64dd70b124b1d4e4f6aca37224c3f2685e67e67baef9f94b905698adc794a09672aba977a61b20966912acdb08c21a2c37001785355dc884751a21f848ab36e590331ff938138"
486 };
487 
488 static void
489 MDTestSuite(const Algorithm_t *alg)
490 {
491 	int i;
492 	char buffer[HEX_DIGEST_LENGTH];
493 
494 	printf("%s test suite:\n", alg->name);
495 	for (i = 0; i < MDTESTCOUNT; i++) {
496 		(*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
497 		printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
498 		if (strcmp(buffer, (*alg->TestOutput)[i]) == 0)
499 			printf(" - verified correct\n");
500 		else
501 			printf(" - INCORRECT RESULT!\n");
502 	}
503 }
504 
505 /*
506  * Digests the standard input and prints the result.
507  */
508 static void
509 MDFilter(const Algorithm_t *alg, int tee)
510 {
511 	DIGEST_CTX context;
512 	unsigned int len;
513 	unsigned char buffer[BUFSIZ];
514 	char buf[HEX_DIGEST_LENGTH];
515 
516 	alg->Init(&context);
517 	while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
518 		if (tee && len != fwrite(buffer, 1, len, stdout))
519 			err(1, "stdout");
520 		alg->Update(&context, buffer, len);
521 	}
522 	printf("%s\n", alg->End(&context, buf));
523 }
524 
525 static void
526 usage(const Algorithm_t *alg)
527 {
528 
529 	fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n", alg->progname);
530 	exit(1);
531 }
532