xref: /freebsd/sbin/md5/md5.c (revision 942815c54820783d3d4f7f6faa71ab7919b5f0e5)
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/param.h>
24 #include <sys/time.h>
25 #include <sys/resource.h>
26 
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 *SHA512t224_TestOutput[MDTESTCOUNT];
79 extern const char *SHA512t256_TestOutput[MDTESTCOUNT];
80 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
81 extern const char *SKEIN256_TestOutput[MDTESTCOUNT];
82 extern const char *SKEIN512_TestOutput[MDTESTCOUNT];
83 extern const char *SKEIN1024_TestOutput[MDTESTCOUNT];
84 
85 typedef struct Algorithm_t {
86 	const char *progname;
87 	const char *name;
88 	const char *(*TestOutput)[MDTESTCOUNT];
89 	DIGEST_Init *Init;
90 	DIGEST_Update *Update;
91 	DIGEST_End *End;
92 	char *(*Data)(const void *, unsigned int, char *);
93 	char *(*Fd)(int, char *);
94 } Algorithm_t;
95 
96 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
97 static void MDOutput(const Algorithm_t *, char *, char **);
98 static void MDTimeTrial(const Algorithm_t *);
99 static void MDTestSuite(const Algorithm_t *);
100 static char *MDFilter(const Algorithm_t *, char*, int);
101 static void usage(const Algorithm_t *);
102 
103 typedef union {
104 	MD5_CTX md5;
105 	SHA1_CTX sha1;
106 	SHA224_CTX sha224;
107 	SHA256_CTX sha256;
108 	SHA384_CTX sha384;
109 	SHA512_CTX sha512;
110 	RIPEMD160_CTX ripemd160;
111 	SKEIN256_CTX skein256;
112 	SKEIN512_CTX skein512;
113 	SKEIN1024_CTX skein1024;
114 } DIGEST_CTX;
115 
116 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
117 	SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH,
118 	RIPEMD160_DIGEST_LENGTH, SKEIN1024_DIGEST_LENGTH)*2+1 */
119 #define HEX_DIGEST_LENGTH 257
120 
121 /* algorithm function table */
122 
123 static const struct Algorithm_t Algorithm[] = {
124 	{ "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
125 		(DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
126 		&MD5Data, &MD5Fd },
127 	{ "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
128 		(DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
129 		&SHA1_Data, &SHA1_Fd },
130 	{ "sha224", "SHA224", &SHA224_TestOutput, (DIGEST_Init*)&SHA224_Init,
131 		(DIGEST_Update*)&SHA224_Update, (DIGEST_End*)&SHA224_End,
132 		&SHA224_Data, &SHA224_Fd },
133 	{ "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
134 		(DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
135 		&SHA256_Data, &SHA256_Fd },
136 	{ "sha384", "SHA384", &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init,
137 		(DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End,
138 		&SHA384_Data, &SHA384_Fd },
139 	{ "sha512", "SHA512", &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init,
140 		(DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End,
141 		&SHA512_Data, &SHA512_Fd },
142 	{ "sha512t224", "SHA512t224", &SHA512t224_TestOutput, (DIGEST_Init*)&SHA512_224_Init,
143 		(DIGEST_Update*)&SHA512_224_Update, (DIGEST_End*)&SHA512_224_End,
144 		&SHA512_224_Data, &SHA512_224_Fd },
145 	{ "sha512t256", "SHA512t256", &SHA512t256_TestOutput, (DIGEST_Init*)&SHA512_256_Init,
146 		(DIGEST_Update*)&SHA512_256_Update, (DIGEST_End*)&SHA512_256_End,
147 		&SHA512_256_Data, &SHA512_256_Fd },
148 	{ "rmd160", "RMD160", &RIPEMD160_TestOutput,
149 		(DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
150 		(DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_Fd },
151 	{ "skein256", "Skein256", &SKEIN256_TestOutput,
152 		(DIGEST_Init*)&SKEIN256_Init, (DIGEST_Update*)&SKEIN256_Update,
153 		(DIGEST_End*)&SKEIN256_End, &SKEIN256_Data, &SKEIN256_Fd },
154 	{ "skein512", "Skein512", &SKEIN512_TestOutput,
155 		(DIGEST_Init*)&SKEIN512_Init, (DIGEST_Update*)&SKEIN512_Update,
156 		(DIGEST_End*)&SKEIN512_End, &SKEIN512_Data, &SKEIN512_Fd },
157 	{ "skein1024", "Skein1024", &SKEIN1024_TestOutput,
158 		(DIGEST_Init*)&SKEIN1024_Init, (DIGEST_Update*)&SKEIN1024_Update,
159 		(DIGEST_End*)&SKEIN1024_End, &SKEIN1024_Data, &SKEIN1024_Fd }
160 };
161 
162 static unsigned	digest;
163 static unsigned	malformed;
164 static bool	gnu_emu = false;
165 
166 static void
167 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
168 {
169 	MD5Update(c, data, len);
170 }
171 
172 struct chksumrec {
173 	char	*filename;
174 	char	*chksum;
175 	struct	chksumrec	*next;
176 };
177 
178 static struct chksumrec *head = NULL;
179 static struct chksumrec **next = &head;
180 
181 #define PADDING	7	/* extra padding for "SHA512t256 (...) = ...\n" style */
182 #define CHKFILELINELEN	(HEX_DIGEST_LENGTH + MAXPATHLEN + PADDING)
183 
184 static int gnu_check(const char *checksumsfile)
185 {
186 	FILE	*inp;
187 	char	linebuf[CHKFILELINELEN];
188 	int	linelen;
189 	int	lineno;
190 	char	*filename;
191 	char	*hashstr;
192 	struct chksumrec	*rec;
193 	const char	*digestname;
194 	int	digestnamelen;
195 	int	hashstrlen;
196 
197 	if ((inp = fopen(checksumsfile, "r")) == NULL)
198 		err(1, "%s", checksumsfile);
199 	digestname = Algorithm[digest].name;
200 	digestnamelen = strlen(digestname);
201 	hashstrlen = strlen(*(Algorithm[digest].TestOutput[0]));
202 	lineno = 1;
203 	while (fgets(linebuf, sizeof(linebuf), inp) != NULL) {
204 		linelen = strlen(linebuf) - 1;
205 		if (linelen <= 0)
206 			break;
207 		if (linebuf[linelen] != '\n')
208 			errx(1, "malformed input line %d (len=%d)", lineno, linelen);
209 		linebuf[linelen] = '\0';
210 		filename = linebuf + digestnamelen + 2;
211 		hashstr = linebuf + linelen - hashstrlen;
212 		/*
213 		 * supported formats:
214 		 * BSD: <DigestName> (<Filename>): <Digest>
215 		 * GNU: <Digest> [ *]<Filename>
216 		 */
217 		if (linelen >= digestnamelen + hashstrlen + 6 &&
218 		    strncmp(linebuf, digestname, digestnamelen) == 0 &&
219 		    strncmp(filename - 2, " (", 2) == 0 &&
220 		    strncmp(hashstr - 4, ") = ", 4) == 0) {
221 			*(hashstr - 4) = '\0';
222 		} else if (linelen >= hashstrlen + 3 &&
223 		    linebuf[hashstrlen] == ' ') {
224 			linebuf[hashstrlen] = '\0';
225 			hashstr = linebuf;
226 			filename = linebuf + hashstrlen + 1;
227 			if (*filename == ' ' || *filename == '*')
228 				filename++;
229 		} else {
230 			malformed++;
231 			continue;
232 		}
233 		rec = malloc(sizeof (*rec));
234 		if (rec == NULL)
235 			errx(1, "malloc failed");
236 		rec->chksum = strdup(hashstr);
237 		rec->filename = strdup(filename);
238 		if (rec->chksum == NULL || rec->filename == NULL)
239 			errx(1, "malloc failed");
240 		rec->next = NULL;
241 		*next = rec;
242 		next = &rec->next;
243 		lineno++;
244 	}
245 	fclose(inp);
246 	return (lineno - 1);
247 }
248 
249 /* Main driver.
250 
251 Arguments (may be any combination):
252   -sstring - digests string
253   -t       - runs time trial
254   -x       - runs test script
255   filename - digests file
256   (none)   - digests standard input
257  */
258 int
259 main(int argc, char *argv[])
260 {
261 #ifdef HAVE_CAPSICUM
262 	cap_rights_t	rights;
263 #endif
264 	int	ch, fd;
265 	char   *p, *string;
266 	char	buf[HEX_DIGEST_LENGTH];
267 	size_t	len;
268 	char	*progname;
269 	struct chksumrec	*rec;
270 	int	numrecs;
271 
272  	if ((progname = strrchr(argv[0], '/')) == NULL)
273  		progname = argv[0];
274  	else
275  		progname++;
276 
277 	/*
278 	 * GNU coreutils has a number of programs named *sum. These produce
279 	 * similar results to the BSD version, but in a different format,
280 	 * similar to BSD's -r flag. We install links to this program with
281 	 * ending 'sum' to provide this compatibility. Check here to see if the
282 	 * name of the program ends in 'sum', set the flag and drop the 'sum' so
283 	 * the digest lookup works. Also, make -t a nop when running in this mode
284 	 * since that means 'text file' there (though it's a nop in coreutils
285 	 * on unix-like systems). The -c flag conflicts, so it's just disabled
286 	 * in this mode (though in the future it might be implemented).
287 	 */
288 	len = strlen(progname);
289 	if (len > 3 && strcmp(progname + len - 3, "sum") == 0) {
290 		len -= 3;
291 		rflag = 1;
292 		gnu_emu = true;
293 	}
294 
295  	for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
296  		if (strncasecmp(Algorithm[digest].progname, progname, len) == 0)
297  			break;
298 
299  	if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
300  		digest = 0;
301 
302 	failed = 0;
303 	checkAgainst = NULL;
304 	checksFailed = 0;
305 	skip = 0;
306 	while ((ch = getopt(argc, argv, "bc:pqrs:tx")) != -1)
307 		switch (ch) {
308 		case 'b':
309 			bflag = 1;
310 			break;
311 		case 'c':
312 			cflag = 1;
313 			if (gnu_emu)
314 				numrecs = gnu_check(optarg);
315 			else
316 				checkAgainst = optarg;
317 			break;
318 		case 'p':
319 			pflag = 1;
320 			break;
321 		case 'q':
322 			qflag = 1;
323 			break;
324 		case 'r':
325 			rflag = 1;
326 			break;
327 		case 's':
328 			sflag = 1;
329 			string = optarg;
330 			break;
331 		case 't':
332 			if (!gnu_emu) {
333 				MDTimeTrial(&Algorithm[digest]);
334 				skip = 1;
335 			} /* else: text mode is a nop */
336 			break;
337 		case 'x':
338 			MDTestSuite(&Algorithm[digest]);
339 			skip = 1;
340 			break;
341 		default:
342 			usage(&Algorithm[digest]);
343 		}
344 	argc -= optind;
345 	argv += optind;
346 
347 #ifdef HAVE_CAPSICUM
348 	if (caph_limit_stdout() < 0 || caph_limit_stderr() < 0)
349 		err(1, "unable to limit rights for stdio");
350 #endif
351 
352 	if (cflag && gnu_emu) {
353 		/*
354 		 * Replace argv by an array of filenames from the digest file
355 		 */
356 		argc = 0;
357 		argv = (char**)calloc(sizeof(char *), numrecs + 1);
358 		for (rec = head; rec != NULL; rec = rec->next) {
359 			argv[argc] = rec->filename;
360 			argc++;
361 		}
362 		argv[argc] = NULL;
363 		rec = head;
364 	}
365 
366 	if (*argv) {
367 		do {
368 			if ((fd = open(*argv, O_RDONLY)) < 0) {
369 				warn("%s", *argv);
370 				failed++;
371 				if (cflag && gnu_emu)
372 					rec = rec->next;
373 				continue;
374 			}
375 			/*
376 			 * XXX Enter capability mode on the last argv file.
377 			 * When a casper file service or other approach is
378 			 * available, switch to that and enter capability mode
379 			 * earlier.
380 			 */
381 			if (*(argv + 1) == NULL) {
382 #ifdef HAVE_CAPSICUM
383 				cap_rights_init(&rights, CAP_READ);
384 				if (caph_rights_limit(fd, &rights) < 0 ||
385 				    caph_enter() < 0)
386 					err(1, "capsicum");
387 #endif
388 			}
389 			if (cflag && gnu_emu) {
390 				checkAgainst = rec->chksum;
391 				rec = rec->next;
392 			}
393 			p = Algorithm[digest].Fd(fd, buf);
394 			(void)close(fd);
395 			MDOutput(&Algorithm[digest], p, argv);
396 		} while (*++argv);
397 	} else if (!cflag && !sflag && !skip) {
398 #ifdef HAVE_CAPSICUM
399 		if (caph_limit_stdin() < 0 || caph_enter() < 0)
400 			err(1, "capsicum");
401 #endif
402 		p = MDFilter(&Algorithm[digest], (char *)&buf, pflag);
403 		MDOutput(&Algorithm[digest], p, NULL);
404 	} else if (sflag) {
405 		len = strlen(string);
406 		p = Algorithm[digest].Data(string, len, buf);
407 		MDOutput(&Algorithm[digest], p, &string);
408 	}
409 	if (gnu_emu) {
410 		if (malformed > 0)
411 			warnx("WARNING: %d lines are improperly formatted", malformed);
412 		if (checksFailed > 0)
413 			warnx("WARNING: %d computed checksums did NOT match", checksFailed);
414 	}
415 	if (failed != 0)
416 		return (1);
417 	if (checksFailed != 0)
418 		return (2);
419 
420 	return (0);
421 }
422 
423 /*
424  * Common output handling
425  */
426 static void
427 MDOutput(const Algorithm_t *alg, char *p, char *argv[])
428 {
429 	bool checkfailed = false;
430 
431 	if (p == NULL) {
432 		warn("%s", *argv);
433 		failed++;
434 	} else {
435 		/*
436 		 * If argv is NULL we are reading from stdin, where the output
437 		 * format has always been just the hash.
438 		 */
439 		if (cflag && gnu_emu) {
440 			checkfailed = strcasecmp(checkAgainst, p) != 0;
441 			if (!qflag || checkfailed)
442 				printf("%s: %s\n", *argv, checkfailed ? "FAILED" : "OK");
443 		} else if (qflag || argv == NULL) {
444 			printf("%s\n", p);
445 			if (cflag)
446 				checkfailed = strcasecmp(checkAgainst, p) != 0;
447 		} else {
448 			if (rflag)
449 				if (gnu_emu)
450 					if (bflag)
451 						printf("%s *%s", p, *argv);
452 					else
453 						printf("%s  %s", p, *argv);
454 				else
455 					printf("%s %s", p, *argv);
456 			else
457 				printf("%s (%s) = %s", alg->name, *argv, p);
458 			if (checkAgainst) {
459 				checkfailed = strcasecmp(checkAgainst, p) != 0;
460 				if (!qflag && checkfailed)
461 					printf(" [ Failed ]");
462 			}
463 			printf("\n");
464 		}
465 	}
466 	if (checkfailed)
467 		checksFailed++;
468 }
469 
470 /*
471  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
472  */
473 static void
474 MDTimeTrial(const Algorithm_t *alg)
475 {
476 	DIGEST_CTX context;
477 	struct rusage before, after;
478 	struct timeval total;
479 	float seconds;
480 	unsigned char block[TEST_BLOCK_LEN];
481 	unsigned int i;
482 	char *p, buf[HEX_DIGEST_LENGTH];
483 
484 	printf("%s time trial. Digesting %d %d-byte blocks ...",
485 	    alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
486 	fflush(stdout);
487 
488 	/* Initialize block */
489 	for (i = 0; i < TEST_BLOCK_LEN; i++)
490 		block[i] = (unsigned char) (i & 0xff);
491 
492 	/* Start timer */
493 	getrusage(RUSAGE_SELF, &before);
494 
495 	/* Digest blocks */
496 	alg->Init(&context);
497 	for (i = 0; i < TEST_BLOCK_COUNT; i++)
498 		alg->Update(&context, block, TEST_BLOCK_LEN);
499 	p = alg->End(&context, buf);
500 
501 	/* Stop timer */
502 	getrusage(RUSAGE_SELF, &after);
503 	timersub(&after.ru_utime, &before.ru_utime, &total);
504 	seconds = total.tv_sec + (float) total.tv_usec / 1000000;
505 
506 	printf(" done\n");
507 	printf("Digest = %s", p);
508 	printf("\nTime = %f seconds\n", seconds);
509 	printf("Speed = %f MiB/second\n", (float) TEST_BLOCK_LEN *
510 		(float) TEST_BLOCK_COUNT / seconds / (1 << 20));
511 }
512 /*
513  * Digests a reference suite of strings and prints the results.
514  */
515 
516 static const char *MDTestInput[MDTESTCOUNT] = {
517 	"",
518 	"a",
519 	"abc",
520 	"message digest",
521 	"abcdefghijklmnopqrstuvwxyz",
522 	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
523 	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
524 	"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
525 that its security is in some doubt"
526 };
527 
528 const char *MD5TestOutput[MDTESTCOUNT] = {
529 	"d41d8cd98f00b204e9800998ecf8427e",
530 	"0cc175b9c0f1b6a831c399e269772661",
531 	"900150983cd24fb0d6963f7d28e17f72",
532 	"f96b697d7cb7938d525a2f31aaf161d0",
533 	"c3fcd3d76192e4007dfb496cca67e13b",
534 	"d174ab98d277d9f5a5611c2c9f419d9f",
535 	"57edf4a22be3c955ac49da2e2107b67a",
536 	"b50663f41d44d92171cb9976bc118538"
537 };
538 
539 const char *SHA1_TestOutput[MDTESTCOUNT] = {
540 	"da39a3ee5e6b4b0d3255bfef95601890afd80709",
541 	"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
542 	"a9993e364706816aba3e25717850c26c9cd0d89d",
543 	"c12252ceda8be8994d5fa0290a47231c1d16aae3",
544 	"32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
545 	"761c457bf73b14d27e9e9265c46f4b4dda11f940",
546 	"50abf5706a150990a08b2c5ea40fa0e585554732",
547 	"18eca4333979c4181199b7b4fab8786d16cf2846"
548 };
549 
550 const char *SHA224_TestOutput[MDTESTCOUNT] = {
551 	"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
552 	"abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5",
553 	"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
554 	"2cb21c83ae2f004de7e81c3c7019cbcb65b71ab656b22d6d0c39b8eb",
555 	"45a5f72c39c5cff2522eb3429799e49e5f44b356ef926bcf390dccc2",
556 	"bff72b4fcb7d75e5632900ac5f90d219e05e97a7bde72e740db393d9",
557 	"b50aecbe4e9bb0b57bc5f3ae760a8e01db24f203fb3cdcd13148046e",
558 	"5ae55f3779c8a1204210d7ed7689f661fbe140f96f272ab79e19d470"
559 };
560 
561 const char *SHA256_TestOutput[MDTESTCOUNT] = {
562 	"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
563 	"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
564 	"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
565 	"f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
566 	"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
567 	"db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
568 	"f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
569 	"e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
570 };
571 
572 const char *SHA384_TestOutput[MDTESTCOUNT] = {
573 	"38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
574 	"54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31",
575 	"cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
576 	"473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5",
577 	"feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4",
578 	"1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84",
579 	"b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026",
580 	"99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb"
581 };
582 
583 const char *SHA512_TestOutput[MDTESTCOUNT] = {
584 	"cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
585 	"1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75",
586 	"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
587 	"107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c",
588 	"4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1",
589 	"1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894",
590 	"72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843",
591 	"e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3"
592 };
593 
594 const char *SHA512t224_TestOutput[MDTESTCOUNT] = {
595 	"6ed0dd02806fa89e25de060c19d3ac86cabb87d6a0ddd05c333b84f4",
596 	"d5cdb9ccc769a5121d4175f2bfdd13d6310e0d3d361ea75d82108327",
597 	"4634270f707b6a54daae7530460842e20e37ed265ceee9a43e8924aa",
598 	"ad1a4db188fe57064f4f24609d2a83cd0afb9b398eb2fcaeaae2c564",
599 	"ff83148aa07ec30655c1b40aff86141c0215fe2a54f767d3f38743d8",
600 	"a8b4b9174b99ffc67d6f49be9981587b96441051e16e6dd036b140d3",
601 	"ae988faaa47e401a45f704d1272d99702458fea2ddc6582827556dd2",
602 	"b3c3b945249b0c8c94aba76ea887bcaad5401665a1fbeb384af4d06b"
603 };
604 
605 const char *SHA512t256_TestOutput[MDTESTCOUNT] = {
606 	"c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
607 	"455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8",
608 	"53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23",
609 	"0cf471fd17ed69d990daf3433c89b16d63dec1bb9cb42a6094604ee5d7b4e9fb",
610 	"fc3189443f9c268f626aea08a756abe7b726b05f701cb08222312ccfd6710a26",
611 	"cdf1cc0effe26ecc0c13758f7b4a48e000615df241284185c39eb05d355bb9c8",
612 	"2c9fdbc0c90bdd87612ee8455474f9044850241dc105b1e8b94b8ddf5fac9148",
613 	"dd095fc859b336c30a52548b3dc59fcc0d1be8616ebcf3368fad23107db2d736"
614 };
615 
616 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
617 	"9c1185a5c5e9fc54612808977ee8f548b2258d31",
618 	"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
619 	"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
620 	"5d0689ef49d2fae572b881b123a85ffa21595f36",
621 	"f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
622 	"b0e20b6e3116640286ed3a87a5713079b21f5189",
623 	"9b752e45573d4b39f4dbd3323cab82bf63326bfb",
624 	"5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
625 };
626 
627 const char *SKEIN256_TestOutput[MDTESTCOUNT] = {
628 	"c8877087da56e072870daa843f176e9453115929094c3a40c463a196c29bf7ba",
629 	"7fba44ff1a31d71a0c1f82e6e82fb5e9ac6c92a39c9185b9951fed82d82fe635",
630 	"258bdec343b9fde1639221a5ae0144a96e552e5288753c5fec76c05fc2fc1870",
631 	"4d2ce0062b5eb3a4db95bc1117dd8aa014f6cd50fdc8e64f31f7d41f9231e488",
632 	"46d8440685461b00e3ddb891b2ecc6855287d2bd8834a95fb1c1708b00ea5e82",
633 	"7c5eb606389556b33d34eb2536459528dc0af97adbcd0ce273aeb650f598d4b2",
634 	"4def7a7e5464a140ae9c3a80279fbebce4bd00f9faad819ab7e001512f67a10d",
635 	"d9c017dbe355f318d036469eb9b5fbe129fc2b5786a9dc6746a516eab6fe0126"
636 };
637 
638 const char *SKEIN512_TestOutput[MDTESTCOUNT] = {
639 	"bc5b4c50925519c290cc634277ae3d6257212395cba733bbad37a4af0fa06af41fca7903d06564fea7a2d3730dbdb80c1f85562dfcc070334ea4d1d9e72cba7a",
640 	"b1cd8d33f61b3737adfd59bb13ad82f4a9548e92f22956a8976cca3fdb7fee4fe91698146c4197cec85d38b83c5d93bdba92c01fd9a53870d0c7f967bc62bdce",
641 	"8f5dd9ec798152668e35129496b029a960c9a9b88662f7f9482f110b31f9f93893ecfb25c009baad9e46737197d5630379816a886aa05526d3a70df272d96e75",
642 	"15b73c158ffb875fed4d72801ded0794c720b121c0c78edf45f900937e6933d9e21a3a984206933d504b5dbb2368000411477ee1b204c986068df77886542fcc",
643 	"23793ad900ef12f9165c8080da6fdfd2c8354a2929b8aadf83aa82a3c6470342f57cf8c035ec0d97429b626c4d94f28632c8f5134fd367dca5cf293d2ec13f8c",
644 	"0c6bed927e022f5ddcf81877d42e5f75798a9f8fd3ede3d83baac0a2f364b082e036c11af35fe478745459dd8f5c0b73efe3c56ba5bb2009208d5a29cc6e469c",
645 	"2ca9fcffb3456f297d1b5f407014ecb856f0baac8eb540f534b1f187196f21e88f31103128c2f03fcc9857d7a58eb66f9525e2302d88833ee069295537a434ce",
646 	"1131f2aaa0e97126c9314f9f968cc827259bbfabced2943bb8c9274448998fb3b78738b4580dd500c76105fd3c03e465e1414f2c29664286b1f79d3e51128125"
647 };
648 
649 const char *SKEIN1024_TestOutput[MDTESTCOUNT] = {
650 	"0fff9563bb3279289227ac77d319b6fff8d7e9f09da1247b72a0a265cd6d2a62645ad547ed8193db48cff847c06494a03f55666d3b47eb4c20456c9373c86297d630d5578ebd34cb40991578f9f52b18003efa35d3da6553ff35db91b81ab890bec1b189b7f52cb2a783ebb7d823d725b0b4a71f6824e88f68f982eefc6d19c6",
651 	"6ab4c4ba9814a3d976ec8bffa7fcc638ceba0544a97b3c98411323ffd2dc936315d13dc93c13c4e88cda6f5bac6f2558b2d8694d3b6143e40d644ae43ca940685cb37f809d3d0550c56cba8036dee729a4f8fb960732e59e64d57f7f7710f8670963cdcdc95b41daab4855fcf8b6762a64b173ee61343a2c7689af1d293eba97",
652 	"35a599a0f91abcdb4cb73c19b8cb8d947742d82c309137a7caed29e8e0a2ca7a9ff9a90c34c1908cc7e7fd99bb15032fb86e76df21b72628399b5f7c3cc209d7bb31c99cd4e19465622a049afbb87c03b5ce3888d17e6e667279ec0aa9b3e2712624c01b5f5bbe1a564220bdcf6990af0c2539019f313fdd7406cca3892a1f1f",
653 	"ea891f5268acd0fac97467fc1aa89d1ce8681a9992a42540e53babee861483110c2d16f49e73bac27653ff173003e40cfb08516cd34262e6af95a5d8645c9c1abb3e813604d508b8511b30f9a5c1b352aa0791c7d2f27b2706dccea54bc7de6555b5202351751c3299f97c09cf89c40f67187e2521c0fad82b30edbb224f0458",
654 	"f23d95c2a25fbcd0e797cd058fec39d3c52d2b5afd7a9af1df934e63257d1d3dcf3246e7329c0f1104c1e51e3d22e300507b0c3b9f985bb1f645ef49835080536becf83788e17fed09c9982ba65c3cb7ffe6a5f745b911c506962adf226e435c42f6f6bc08d288f9c810e807e3216ef444f3db22744441deefa4900982a1371f",
655 	"cf3889e8a8d11bfd3938055d7d061437962bc5eac8ae83b1b71c94be201b8cf657fdbfc38674997a008c0c903f56a23feb3ae30e012377f1cfa080a9ca7fe8b96138662653fb3335c7d06595bf8baf65e215307532094cfdfa056bd8052ab792a3944a2adaa47b30335b8badb8fe9eb94fe329cdca04e58bbc530f0af709f469",
656 	"cf21a613620e6c119eca31fdfaad449a8e02f95ca256c21d2a105f8e4157048f9fe1e897893ea18b64e0e37cb07d5ac947f27ba544caf7cbc1ad094e675aed77a366270f7eb7f46543bccfa61c526fd628408058ed00ed566ac35a9761d002e629c4fb0d430b2f4ad016fcc49c44d2981c4002da0eecc42144160e2eaea4855a",
657 	"e6799b78db54085a2be7ff4c8007f147fa88d326abab30be0560b953396d8802feee9a15419b48a467574e9283be15685ca8a079ee52b27166b64dd70b124b1d4e4f6aca37224c3f2685e67e67baef9f94b905698adc794a09672aba977a61b20966912acdb08c21a2c37001785355dc884751a21f848ab36e590331ff938138"
658 };
659 
660 static void
661 MDTestSuite(const Algorithm_t *alg)
662 {
663 	int i;
664 	char buffer[HEX_DIGEST_LENGTH];
665 
666 	printf("%s test suite:\n", alg->name);
667 	for (i = 0; i < MDTESTCOUNT; i++) {
668 		(*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
669 		printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
670 		if (strcmp(buffer, (*alg->TestOutput)[i]) == 0) {
671 			printf(" - verified correct\n");
672 		} else {
673 			printf(" - INCORRECT RESULT!\n");
674 			failed++;
675 		}
676 	}
677 }
678 
679 /*
680  * Digests the standard input and prints the result.
681  */
682 static char *
683 MDFilter(const Algorithm_t *alg, char *buf, int tee)
684 {
685 	DIGEST_CTX context;
686 	unsigned int len;
687 	unsigned char buffer[BUFSIZ];
688 	char *p;
689 
690 	alg->Init(&context);
691 	while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
692 		if (tee && len != fwrite(buffer, 1, len, stdout))
693 			err(1, "stdout");
694 		alg->Update(&context, buffer, len);
695 	}
696 	p = alg->End(&context, buf);
697 
698 	return (p);
699 }
700 
701 static void
702 usage(const Algorithm_t *alg)
703 {
704 
705 	if (gnu_emu)
706 		fprintf(stderr, "usage: %ssum [-pqrtx] [-c file] [-s string] [files ...]\n", alg->progname);
707 	else
708 		fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n", alg->progname);
709 	exit(1);
710 }
711