xref: /freebsd/sbin/md5/md5.c (revision 77013d11e6483b970af25e13c9b892075742f7e5)
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/param.h>
25 #include <sys/time.h>
26 #include <sys/resource.h>
27 #include <err.h>
28 #include <fcntl.h>
29 #include <md5.h>
30 #include <ripemd.h>
31 #include <sha.h>
32 #include <sha224.h>
33 #include <sha256.h>
34 #include <sha384.h>
35 #include <sha512.h>
36 #include <sha512t.h>
37 #include <skein.h>
38 #include <stdbool.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <time.h>
43 #include <unistd.h>
44 
45 #ifdef HAVE_CAPSICUM
46 #include <sys/capsicum.h>
47 #include <capsicum_helpers.h>
48 #endif
49 
50 /*
51  * Length of test block, number of test blocks.
52  */
53 #define TEST_BLOCK_LEN 10000
54 #define TEST_BLOCK_COUNT 100000
55 #define MDTESTCOUNT 8
56 
57 static int bflag;
58 static int cflag;
59 static int pflag;
60 static int qflag;
61 static int rflag;
62 static int sflag;
63 static int skip;
64 static char* checkAgainst;
65 static int checksFailed;
66 static int failed;
67 
68 typedef void (DIGEST_Init)(void *);
69 typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
70 typedef char *(DIGEST_End)(void *, char *);
71 
72 extern const char *MD5TestOutput[MDTESTCOUNT];
73 extern const char *SHA1_TestOutput[MDTESTCOUNT];
74 extern const char *SHA224_TestOutput[MDTESTCOUNT];
75 extern const char *SHA256_TestOutput[MDTESTCOUNT];
76 extern const char *SHA384_TestOutput[MDTESTCOUNT];
77 extern const char *SHA512_TestOutput[MDTESTCOUNT];
78 extern const char *SHA512t256_TestOutput[MDTESTCOUNT];
79 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
80 extern const char *SKEIN256_TestOutput[MDTESTCOUNT];
81 extern const char *SKEIN512_TestOutput[MDTESTCOUNT];
82 extern const char *SKEIN1024_TestOutput[MDTESTCOUNT];
83 
84 typedef struct Algorithm_t {
85 	const char *progname;
86 	const char *name;
87 	const char *(*TestOutput)[MDTESTCOUNT];
88 	DIGEST_Init *Init;
89 	DIGEST_Update *Update;
90 	DIGEST_End *End;
91 	char *(*Data)(const void *, unsigned int, char *);
92 	char *(*Fd)(int, char *);
93 } Algorithm_t;
94 
95 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
96 static void MDOutput(const Algorithm_t *, char *, char **);
97 static void MDTimeTrial(const Algorithm_t *);
98 static void MDTestSuite(const Algorithm_t *);
99 static char *MDFilter(const Algorithm_t *, char*, int);
100 static void usage(const Algorithm_t *);
101 
102 typedef union {
103 	MD5_CTX md5;
104 	SHA1_CTX sha1;
105 	SHA224_CTX sha224;
106 	SHA256_CTX sha256;
107 	SHA384_CTX sha384;
108 	SHA512_CTX sha512;
109 	RIPEMD160_CTX ripemd160;
110 	SKEIN256_CTX skein256;
111 	SKEIN512_CTX skein512;
112 	SKEIN1024_CTX skein1024;
113 } DIGEST_CTX;
114 
115 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
116 	SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH,
117 	RIPEMD160_DIGEST_LENGTH, SKEIN1024_DIGEST_LENGTH)*2+1 */
118 #define HEX_DIGEST_LENGTH 257
119 
120 /* algorithm function table */
121 
122 static const struct Algorithm_t Algorithm[] = {
123 	{ "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
124 		(DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
125 		&MD5Data, &MD5Fd },
126 	{ "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
127 		(DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
128 		&SHA1_Data, &SHA1_Fd },
129 	{ "sha224", "SHA224", &SHA224_TestOutput, (DIGEST_Init*)&SHA224_Init,
130 		(DIGEST_Update*)&SHA224_Update, (DIGEST_End*)&SHA224_End,
131 		&SHA224_Data, &SHA224_Fd },
132 	{ "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
133 		(DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
134 		&SHA256_Data, &SHA256_Fd },
135 	{ "sha384", "SHA384", &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init,
136 		(DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End,
137 		&SHA384_Data, &SHA384_Fd },
138 	{ "sha512", "SHA512", &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init,
139 		(DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End,
140 		&SHA512_Data, &SHA512_Fd },
141 	{ "sha512t256", "SHA512t256", &SHA512t256_TestOutput, (DIGEST_Init*)&SHA512_256_Init,
142 		(DIGEST_Update*)&SHA512_256_Update, (DIGEST_End*)&SHA512_256_End,
143 		&SHA512_256_Data, &SHA512_256_Fd },
144 	{ "rmd160", "RMD160", &RIPEMD160_TestOutput,
145 		(DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
146 		(DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_Fd },
147 	{ "skein256", "Skein256", &SKEIN256_TestOutput,
148 		(DIGEST_Init*)&SKEIN256_Init, (DIGEST_Update*)&SKEIN256_Update,
149 		(DIGEST_End*)&SKEIN256_End, &SKEIN256_Data, &SKEIN256_Fd },
150 	{ "skein512", "Skein512", &SKEIN512_TestOutput,
151 		(DIGEST_Init*)&SKEIN512_Init, (DIGEST_Update*)&SKEIN512_Update,
152 		(DIGEST_End*)&SKEIN512_End, &SKEIN512_Data, &SKEIN512_Fd },
153 	{ "skein1024", "Skein1024", &SKEIN1024_TestOutput,
154 		(DIGEST_Init*)&SKEIN1024_Init, (DIGEST_Update*)&SKEIN1024_Update,
155 		(DIGEST_End*)&SKEIN1024_End, &SKEIN1024_Data, &SKEIN1024_Fd }
156 };
157 
158 static unsigned	digest;
159 static unsigned	malformed;
160 static bool	gnu_emu = false;
161 
162 static void
163 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
164 {
165 	MD5Update(c, data, len);
166 }
167 
168 struct chksumrec {
169 	char	*filename;
170 	char	*chksum;
171 	struct	chksumrec	*next;
172 };
173 
174 static struct chksumrec *head = NULL;
175 static struct chksumrec **next = &head;
176 
177 #define PADDING	7	/* extra padding for "SHA512t256 (...) = ...\n" style */
178 #define CHKFILELINELEN	(HEX_DIGEST_LENGTH + MAXPATHLEN + PADDING)
179 
180 static int gnu_check(const char *checksumsfile)
181 {
182 	FILE	*inp;
183 	char	linebuf[CHKFILELINELEN];
184 	int	linelen;
185 	int	lineno;
186 	char	*filename;
187 	char	*hashstr;
188 	struct chksumrec	*rec;
189 	const char	*digestname;
190 	int	digestnamelen;
191 	int	hashstrlen;
192 
193 	if ((inp = fopen(checksumsfile, "r")) == NULL)
194 		err(1, "%s", checksumsfile);
195 	digestname = Algorithm[digest].name;
196 	digestnamelen = strlen(digestname);
197 	hashstrlen = strlen(*(Algorithm[digest].TestOutput[0]));
198 	lineno = 1;
199 	while (fgets(linebuf, sizeof(linebuf), inp) != NULL) {
200 		linelen = strlen(linebuf) - 1;
201 		if (linelen <= 0)
202 			break;
203 		if (linebuf[linelen] != '\n')
204 			errx(1, "malformed input line %d (len=%d)", lineno, linelen);
205 		linebuf[linelen] = '\0';
206 		filename = linebuf + digestnamelen + 2;
207 		hashstr = linebuf + linelen - hashstrlen;
208 		/*
209 		 * supported formats:
210 		 * BSD: <DigestName> (<Filename>): <Digest>
211 		 * GNU: <Digest> [ *]<Filename>
212 		 */
213 		if (linelen >= digestnamelen + hashstrlen + 6 &&
214 		    strncmp(linebuf, digestname, digestnamelen) == 0 &&
215 		    strncmp(filename - 2, " (", 2) == 0 &&
216 		    strncmp(hashstr - 4, ") = ", 4) == 0) {
217 			*(hashstr - 4) = '\0';
218 		} else if (linelen >= hashstrlen + 3 &&
219 		    linebuf[hashstrlen] == ' ') {
220 			linebuf[hashstrlen] = '\0';
221 			hashstr = linebuf;
222 			filename = linebuf + hashstrlen + 1;
223 			if (*filename == ' ' || *filename == '*')
224 				filename++;
225 		} else {
226 			malformed++;
227 			continue;
228 		}
229 		rec = malloc(sizeof (*rec));
230 		if (rec == NULL)
231 			errx(1, "malloc failed");
232 		rec->chksum = strdup(hashstr);
233 		rec->filename = strdup(filename);
234 		if (rec->chksum == NULL || rec->filename == NULL)
235 			errx(1, "malloc failed");
236 		rec->next = NULL;
237 		*next = rec;
238 		next = &rec->next;
239 		lineno++;
240 	}
241 	fclose(inp);
242 	return (lineno - 1);
243 }
244 
245 /* Main driver.
246 
247 Arguments (may be any combination):
248   -sstring - digests string
249   -t       - runs time trial
250   -x       - runs test script
251   filename - digests file
252   (none)   - digests standard input
253  */
254 int
255 main(int argc, char *argv[])
256 {
257 #ifdef HAVE_CAPSICUM
258 	cap_rights_t	rights;
259 #endif
260 	int	ch, fd;
261 	char   *p, *string;
262 	char	buf[HEX_DIGEST_LENGTH];
263 	size_t	len;
264 	char	*progname;
265 	struct chksumrec	*rec;
266 	int	numrecs;
267 
268  	if ((progname = strrchr(argv[0], '/')) == NULL)
269  		progname = argv[0];
270  	else
271  		progname++;
272 
273 	/*
274 	 * GNU coreutils has a number of programs named *sum. These produce
275 	 * similar results to the BSD version, but in a different format,
276 	 * similar to BSD's -r flag. We install links to this program with
277 	 * ending 'sum' to provide this compatibility. Check here to see if the
278 	 * name of the program ends in 'sum', set the flag and drop the 'sum' so
279 	 * the digest lookup works. Also, make -t a nop when running in this mode
280 	 * since that means 'text file' there (though it's a nop in coreutils
281 	 * on unix-like systems). The -c flag conflicts, so it's just disabled
282 	 * in this mode (though in the future it might be implemented).
283 	 */
284 	len = strlen(progname);
285 	if (len > 3 && strcmp(progname + len - 3, "sum") == 0) {
286 		len -= 3;
287 		rflag = 1;
288 		gnu_emu = true;
289 	}
290 
291  	for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
292  		if (strncasecmp(Algorithm[digest].progname, progname, len) == 0)
293  			break;
294 
295  	if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
296  		digest = 0;
297 
298 	failed = 0;
299 	checkAgainst = NULL;
300 	checksFailed = 0;
301 	skip = 0;
302 	while ((ch = getopt(argc, argv, "bc:pqrs:tx")) != -1)
303 		switch (ch) {
304 		case 'b':
305 			bflag = 1;
306 			break;
307 		case 'c':
308 			cflag = 1;
309 			if (gnu_emu)
310 				numrecs = gnu_check(optarg);
311 			else
312 				checkAgainst = optarg;
313 			break;
314 		case 'p':
315 			pflag = 1;
316 			break;
317 		case 'q':
318 			qflag = 1;
319 			break;
320 		case 'r':
321 			rflag = 1;
322 			break;
323 		case 's':
324 			sflag = 1;
325 			string = optarg;
326 			break;
327 		case 't':
328 			if (!gnu_emu) {
329 				MDTimeTrial(&Algorithm[digest]);
330 				skip = 1;
331 			} /* else: text mode is a nop */
332 			break;
333 		case 'x':
334 			MDTestSuite(&Algorithm[digest]);
335 			skip = 1;
336 			break;
337 		default:
338 			usage(&Algorithm[digest]);
339 		}
340 	argc -= optind;
341 	argv += optind;
342 
343 #ifdef HAVE_CAPSICUM
344 	if (caph_limit_stdout() < 0 || caph_limit_stderr() < 0)
345 		err(1, "unable to limit rights for stdio");
346 #endif
347 
348 	if (cflag && gnu_emu) {
349 		/*
350 		 * Replace argv by an array of filenames from the digest file
351 		 */
352 		argc = 0;
353 		argv = (char**)calloc(sizeof(char *), numrecs + 1);
354 		for (rec = head; rec != NULL; rec = rec->next) {
355 			argv[argc] = rec->filename;
356 			argc++;
357 		}
358 		argv[argc] = NULL;
359 		rec = head;
360 	}
361 
362 	if (*argv) {
363 		do {
364 			if ((fd = open(*argv, O_RDONLY)) < 0) {
365 				warn("%s", *argv);
366 				failed++;
367 				continue;
368 			}
369 			/*
370 			 * XXX Enter capability mode on the last argv file.
371 			 * When a casper file service or other approach is
372 			 * available, switch to that and enter capability mode
373 			 * earlier.
374 			 */
375 			if (*(argv + 1) == NULL) {
376 #ifdef HAVE_CAPSICUM
377 				cap_rights_init(&rights, CAP_READ);
378 				if (caph_rights_limit(fd, &rights) < 0 ||
379 				    caph_enter() < 0)
380 					err(1, "capsicum");
381 #endif
382 			}
383 			if (cflag && gnu_emu) {
384 				checkAgainst = rec->chksum;
385 				rec = rec->next;
386 			}
387 			p = Algorithm[digest].Fd(fd, buf);
388 			(void)close(fd);
389 			MDOutput(&Algorithm[digest], p, argv);
390 		} while (*++argv);
391 	} else if (!cflag && !sflag && !skip) {
392 #ifdef HAVE_CAPSICUM
393 		if (caph_limit_stdin() < 0 || caph_enter() < 0)
394 			err(1, "capsicum");
395 #endif
396 		p = MDFilter(&Algorithm[digest], (char *)&buf, pflag);
397 		MDOutput(&Algorithm[digest], p, NULL);
398 	} else if (sflag) {
399 		len = strlen(string);
400 		p = Algorithm[digest].Data(string, len, buf);
401 		MDOutput(&Algorithm[digest], p, &string);
402 	}
403 	if (gnu_emu) {
404 		if (malformed > 0)
405 			warnx("WARNING: %d lines are improperly formatted", malformed);
406 		if (checksFailed > 0)
407 			warnx("WARNING: %d computed checksums did NOT match", checksFailed);
408 	}
409 	if (failed != 0)
410 		return (1);
411 	if (checksFailed != 0)
412 		return (2);
413 
414 	return (0);
415 }
416 
417 /*
418  * Common output handling
419  */
420 static void
421 MDOutput(const Algorithm_t *alg, char *p, char *argv[])
422 {
423 	bool checkfailed = false;
424 
425 	if (p == NULL) {
426 		warn("%s", *argv);
427 		failed++;
428 	} else {
429 		/*
430 		 * If argv is NULL we are reading from stdin, where the output
431 		 * format has always been just the hash.
432 		 */
433 		if (cflag && gnu_emu) {
434 			checkfailed = strcasecmp(checkAgainst, p) != 0;
435 			if (!qflag || checkfailed)
436 				printf("%s: %s\n", *argv, checkfailed ? "FAILED" : "OK");
437 		} else if (qflag || argv == NULL) {
438 			printf("%s\n", p);
439 		} else {
440 			if (rflag)
441 				if (gnu_emu)
442 					if (bflag)
443 						printf("%s *%s", p, *argv);
444 					else
445 						printf("%s  %s", p, *argv);
446 				else
447 					printf("%s %s", p, *argv);
448 			else
449 				printf("%s (%s) = %s", alg->name, *argv, p);
450 			if (checkAgainst) {
451 				checkfailed = strcasecmp(checkAgainst, p) != 0;
452 				if (!qflag && checkfailed)
453 					printf(" [ Failed ]");
454 			}
455 			printf("\n");
456 		}
457 	}
458 	if (checkfailed)
459 		checksFailed++;
460 }
461 
462 /*
463  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
464  */
465 static void
466 MDTimeTrial(const Algorithm_t *alg)
467 {
468 	DIGEST_CTX context;
469 	struct rusage before, after;
470 	struct timeval total;
471 	float seconds;
472 	unsigned char block[TEST_BLOCK_LEN];
473 	unsigned int i;
474 	char *p, buf[HEX_DIGEST_LENGTH];
475 
476 	printf("%s time trial. Digesting %d %d-byte blocks ...",
477 	    alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
478 	fflush(stdout);
479 
480 	/* Initialize block */
481 	for (i = 0; i < TEST_BLOCK_LEN; i++)
482 		block[i] = (unsigned char) (i & 0xff);
483 
484 	/* Start timer */
485 	getrusage(RUSAGE_SELF, &before);
486 
487 	/* Digest blocks */
488 	alg->Init(&context);
489 	for (i = 0; i < TEST_BLOCK_COUNT; i++)
490 		alg->Update(&context, block, TEST_BLOCK_LEN);
491 	p = alg->End(&context, buf);
492 
493 	/* Stop timer */
494 	getrusage(RUSAGE_SELF, &after);
495 	timersub(&after.ru_utime, &before.ru_utime, &total);
496 	seconds = total.tv_sec + (float) total.tv_usec / 1000000;
497 
498 	printf(" done\n");
499 	printf("Digest = %s", p);
500 	printf("\nTime = %f seconds\n", seconds);
501 	printf("Speed = %f MiB/second\n", (float) TEST_BLOCK_LEN *
502 		(float) TEST_BLOCK_COUNT / seconds / (1 << 20));
503 }
504 /*
505  * Digests a reference suite of strings and prints the results.
506  */
507 
508 static const char *MDTestInput[MDTESTCOUNT] = {
509 	"",
510 	"a",
511 	"abc",
512 	"message digest",
513 	"abcdefghijklmnopqrstuvwxyz",
514 	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
515 	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
516 	"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
517 that its security is in some doubt"
518 };
519 
520 const char *MD5TestOutput[MDTESTCOUNT] = {
521 	"d41d8cd98f00b204e9800998ecf8427e",
522 	"0cc175b9c0f1b6a831c399e269772661",
523 	"900150983cd24fb0d6963f7d28e17f72",
524 	"f96b697d7cb7938d525a2f31aaf161d0",
525 	"c3fcd3d76192e4007dfb496cca67e13b",
526 	"d174ab98d277d9f5a5611c2c9f419d9f",
527 	"57edf4a22be3c955ac49da2e2107b67a",
528 	"b50663f41d44d92171cb9976bc118538"
529 };
530 
531 const char *SHA1_TestOutput[MDTESTCOUNT] = {
532 	"da39a3ee5e6b4b0d3255bfef95601890afd80709",
533 	"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
534 	"a9993e364706816aba3e25717850c26c9cd0d89d",
535 	"c12252ceda8be8994d5fa0290a47231c1d16aae3",
536 	"32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
537 	"761c457bf73b14d27e9e9265c46f4b4dda11f940",
538 	"50abf5706a150990a08b2c5ea40fa0e585554732",
539 	"18eca4333979c4181199b7b4fab8786d16cf2846"
540 };
541 
542 const char *SHA224_TestOutput[MDTESTCOUNT] = {
543 	"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
544 	"abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5",
545 	"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
546 	"2cb21c83ae2f004de7e81c3c7019cbcb65b71ab656b22d6d0c39b8eb",
547 	"45a5f72c39c5cff2522eb3429799e49e5f44b356ef926bcf390dccc2",
548 	"bff72b4fcb7d75e5632900ac5f90d219e05e97a7bde72e740db393d9",
549 	"b50aecbe4e9bb0b57bc5f3ae760a8e01db24f203fb3cdcd13148046e",
550 	"5ae55f3779c8a1204210d7ed7689f661fbe140f96f272ab79e19d470"
551 };
552 
553 const char *SHA256_TestOutput[MDTESTCOUNT] = {
554 	"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
555 	"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
556 	"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
557 	"f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
558 	"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
559 	"db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
560 	"f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
561 	"e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
562 };
563 
564 const char *SHA384_TestOutput[MDTESTCOUNT] = {
565 	"38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
566 	"54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31",
567 	"cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
568 	"473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5",
569 	"feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4",
570 	"1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84",
571 	"b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026",
572 	"99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb"
573 };
574 
575 const char *SHA512_TestOutput[MDTESTCOUNT] = {
576 	"cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
577 	"1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75",
578 	"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
579 	"107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c",
580 	"4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1",
581 	"1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894",
582 	"72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843",
583 	"e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3"
584 };
585 
586 const char *SHA512t256_TestOutput[MDTESTCOUNT] = {
587 	"c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
588 	"455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8",
589 	"53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23",
590 	"0cf471fd17ed69d990daf3433c89b16d63dec1bb9cb42a6094604ee5d7b4e9fb",
591 	"fc3189443f9c268f626aea08a756abe7b726b05f701cb08222312ccfd6710a26",
592 	"cdf1cc0effe26ecc0c13758f7b4a48e000615df241284185c39eb05d355bb9c8",
593 	"2c9fdbc0c90bdd87612ee8455474f9044850241dc105b1e8b94b8ddf5fac9148",
594 	"dd095fc859b336c30a52548b3dc59fcc0d1be8616ebcf3368fad23107db2d736"
595 };
596 
597 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
598 	"9c1185a5c5e9fc54612808977ee8f548b2258d31",
599 	"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
600 	"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
601 	"5d0689ef49d2fae572b881b123a85ffa21595f36",
602 	"f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
603 	"b0e20b6e3116640286ed3a87a5713079b21f5189",
604 	"9b752e45573d4b39f4dbd3323cab82bf63326bfb",
605 	"5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
606 };
607 
608 const char *SKEIN256_TestOutput[MDTESTCOUNT] = {
609 	"c8877087da56e072870daa843f176e9453115929094c3a40c463a196c29bf7ba",
610 	"7fba44ff1a31d71a0c1f82e6e82fb5e9ac6c92a39c9185b9951fed82d82fe635",
611 	"258bdec343b9fde1639221a5ae0144a96e552e5288753c5fec76c05fc2fc1870",
612 	"4d2ce0062b5eb3a4db95bc1117dd8aa014f6cd50fdc8e64f31f7d41f9231e488",
613 	"46d8440685461b00e3ddb891b2ecc6855287d2bd8834a95fb1c1708b00ea5e82",
614 	"7c5eb606389556b33d34eb2536459528dc0af97adbcd0ce273aeb650f598d4b2",
615 	"4def7a7e5464a140ae9c3a80279fbebce4bd00f9faad819ab7e001512f67a10d",
616 	"d9c017dbe355f318d036469eb9b5fbe129fc2b5786a9dc6746a516eab6fe0126"
617 };
618 
619 const char *SKEIN512_TestOutput[MDTESTCOUNT] = {
620 	"bc5b4c50925519c290cc634277ae3d6257212395cba733bbad37a4af0fa06af41fca7903d06564fea7a2d3730dbdb80c1f85562dfcc070334ea4d1d9e72cba7a",
621 	"b1cd8d33f61b3737adfd59bb13ad82f4a9548e92f22956a8976cca3fdb7fee4fe91698146c4197cec85d38b83c5d93bdba92c01fd9a53870d0c7f967bc62bdce",
622 	"8f5dd9ec798152668e35129496b029a960c9a9b88662f7f9482f110b31f9f93893ecfb25c009baad9e46737197d5630379816a886aa05526d3a70df272d96e75",
623 	"15b73c158ffb875fed4d72801ded0794c720b121c0c78edf45f900937e6933d9e21a3a984206933d504b5dbb2368000411477ee1b204c986068df77886542fcc",
624 	"23793ad900ef12f9165c8080da6fdfd2c8354a2929b8aadf83aa82a3c6470342f57cf8c035ec0d97429b626c4d94f28632c8f5134fd367dca5cf293d2ec13f8c",
625 	"0c6bed927e022f5ddcf81877d42e5f75798a9f8fd3ede3d83baac0a2f364b082e036c11af35fe478745459dd8f5c0b73efe3c56ba5bb2009208d5a29cc6e469c",
626 	"2ca9fcffb3456f297d1b5f407014ecb856f0baac8eb540f534b1f187196f21e88f31103128c2f03fcc9857d7a58eb66f9525e2302d88833ee069295537a434ce",
627 	"1131f2aaa0e97126c9314f9f968cc827259bbfabced2943bb8c9274448998fb3b78738b4580dd500c76105fd3c03e465e1414f2c29664286b1f79d3e51128125"
628 };
629 
630 const char *SKEIN1024_TestOutput[MDTESTCOUNT] = {
631 	"0fff9563bb3279289227ac77d319b6fff8d7e9f09da1247b72a0a265cd6d2a62645ad547ed8193db48cff847c06494a03f55666d3b47eb4c20456c9373c86297d630d5578ebd34cb40991578f9f52b18003efa35d3da6553ff35db91b81ab890bec1b189b7f52cb2a783ebb7d823d725b0b4a71f6824e88f68f982eefc6d19c6",
632 	"6ab4c4ba9814a3d976ec8bffa7fcc638ceba0544a97b3c98411323ffd2dc936315d13dc93c13c4e88cda6f5bac6f2558b2d8694d3b6143e40d644ae43ca940685cb37f809d3d0550c56cba8036dee729a4f8fb960732e59e64d57f7f7710f8670963cdcdc95b41daab4855fcf8b6762a64b173ee61343a2c7689af1d293eba97",
633 	"35a599a0f91abcdb4cb73c19b8cb8d947742d82c309137a7caed29e8e0a2ca7a9ff9a90c34c1908cc7e7fd99bb15032fb86e76df21b72628399b5f7c3cc209d7bb31c99cd4e19465622a049afbb87c03b5ce3888d17e6e667279ec0aa9b3e2712624c01b5f5bbe1a564220bdcf6990af0c2539019f313fdd7406cca3892a1f1f",
634 	"ea891f5268acd0fac97467fc1aa89d1ce8681a9992a42540e53babee861483110c2d16f49e73bac27653ff173003e40cfb08516cd34262e6af95a5d8645c9c1abb3e813604d508b8511b30f9a5c1b352aa0791c7d2f27b2706dccea54bc7de6555b5202351751c3299f97c09cf89c40f67187e2521c0fad82b30edbb224f0458",
635 	"f23d95c2a25fbcd0e797cd058fec39d3c52d2b5afd7a9af1df934e63257d1d3dcf3246e7329c0f1104c1e51e3d22e300507b0c3b9f985bb1f645ef49835080536becf83788e17fed09c9982ba65c3cb7ffe6a5f745b911c506962adf226e435c42f6f6bc08d288f9c810e807e3216ef444f3db22744441deefa4900982a1371f",
636 	"cf3889e8a8d11bfd3938055d7d061437962bc5eac8ae83b1b71c94be201b8cf657fdbfc38674997a008c0c903f56a23feb3ae30e012377f1cfa080a9ca7fe8b96138662653fb3335c7d06595bf8baf65e215307532094cfdfa056bd8052ab792a3944a2adaa47b30335b8badb8fe9eb94fe329cdca04e58bbc530f0af709f469",
637 	"cf21a613620e6c119eca31fdfaad449a8e02f95ca256c21d2a105f8e4157048f9fe1e897893ea18b64e0e37cb07d5ac947f27ba544caf7cbc1ad094e675aed77a366270f7eb7f46543bccfa61c526fd628408058ed00ed566ac35a9761d002e629c4fb0d430b2f4ad016fcc49c44d2981c4002da0eecc42144160e2eaea4855a",
638 	"e6799b78db54085a2be7ff4c8007f147fa88d326abab30be0560b953396d8802feee9a15419b48a467574e9283be15685ca8a079ee52b27166b64dd70b124b1d4e4f6aca37224c3f2685e67e67baef9f94b905698adc794a09672aba977a61b20966912acdb08c21a2c37001785355dc884751a21f848ab36e590331ff938138"
639 };
640 
641 static void
642 MDTestSuite(const Algorithm_t *alg)
643 {
644 	int i;
645 	char buffer[HEX_DIGEST_LENGTH];
646 
647 	printf("%s test suite:\n", alg->name);
648 	for (i = 0; i < MDTESTCOUNT; i++) {
649 		(*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
650 		printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
651 		if (strcmp(buffer, (*alg->TestOutput)[i]) == 0) {
652 			printf(" - verified correct\n");
653 		} else {
654 			printf(" - INCORRECT RESULT!\n");
655 			failed++;
656 		}
657 	}
658 }
659 
660 /*
661  * Digests the standard input and prints the result.
662  */
663 static char *
664 MDFilter(const Algorithm_t *alg, char *buf, int tee)
665 {
666 	DIGEST_CTX context;
667 	unsigned int len;
668 	unsigned char buffer[BUFSIZ];
669 	char *p;
670 
671 	alg->Init(&context);
672 	while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
673 		if (tee && len != fwrite(buffer, 1, len, stdout))
674 			err(1, "stdout");
675 		alg->Update(&context, buffer, len);
676 	}
677 	p = alg->End(&context, buf);
678 
679 	return (p);
680 }
681 
682 static void
683 usage(const Algorithm_t *alg)
684 {
685 
686 	if (gnu_emu)
687 		fprintf(stderr, "usage: %ssum [-pqrtx] [-c file] [-s string] [files ...]\n", alg->progname);
688 	else
689 		fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n", alg->progname);
690 	exit(1);
691 }
692