md5.c revision 182672 
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: head/sbin/md5/md5.c 182672 2008-09-02 02:59:13Z kevlo $");
22
23#include <sys/types.h>
24#include <sys/time.h>
25#include <sys/resource.h>
26#include <err.h>
27#include <md5.h>
28#include <ripemd.h>
29#include <sha.h>
30#include <sha256.h>
31#include <stdio.h>
32#include <stdlib.h>
33#include <string.h>
34#include <time.h>
35#include <unistd.h>
36
37/*
38 * Length of test block, number of test blocks.
39 */
40#define TEST_BLOCK_LEN 10000
41#define TEST_BLOCK_COUNT 100000
42#define MDTESTCOUNT 8
43
44int qflag;
45int rflag;
46int sflag;
47
48typedef void (DIGEST_Init)(void *);
49typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
50typedef char *(DIGEST_End)(void *, char *);
51
52extern const char *MD5TestOutput[MDTESTCOUNT];
53extern const char *SHA1_TestOutput[MDTESTCOUNT];
54extern const char *SHA256_TestOutput[MDTESTCOUNT];
55extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
56
57typedef struct Algorithm_t {
58	const char *progname;
59	const char *name;
60	const char *(*TestOutput)[MDTESTCOUNT];
61	DIGEST_Init *Init;
62	DIGEST_Update *Update;
63	DIGEST_End *End;
64	char *(*Data)(const void *, unsigned int, char *);
65	char *(*File)(const char *, char *);
66} Algorithm_t;
67
68static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
69static void MDString(Algorithm_t *, const char *);
70static void MDTimeTrial(Algorithm_t *);
71static void MDTestSuite(Algorithm_t *);
72static void MDFilter(Algorithm_t *, int);
73static void usage(Algorithm_t *);
74
75typedef union {
76	MD5_CTX md5;
77	SHA1_CTX sha1;
78	SHA256_CTX sha256;
79	RIPEMD160_CTX ripemd160;
80} DIGEST_CTX;
81
82/* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
83	SHA256_DIGEST_LENGTH, RIPEMD160_DIGEST_LENGTH)*2+1 */
84#define HEX_DIGEST_LENGTH 65
85
86/* algorithm function table */
87
88struct Algorithm_t Algorithm[] = {
89	{ "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
90		(DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
91		&MD5Data, &MD5File },
92	{ "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
93		(DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
94		&SHA1_Data, &SHA1_File },
95	{ "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
96		(DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
97		&SHA256_Data, &SHA256_File },
98	{ "rmd160", "RMD160", &RIPEMD160_TestOutput,
99		(DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
100		(DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_File }
101};
102
103static void
104MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
105{
106	MD5Update(c, data, len);
107}
108
109/* Main driver.
110
111Arguments (may be any combination):
112  -sstring - digests string
113  -t       - runs time trial
114  -x       - runs test script
115  filename - digests file
116  (none)   - digests standard input
117 */
118int
119main(int argc, char *argv[])
120{
121	int	ch;
122	char   *p;
123	char	buf[HEX_DIGEST_LENGTH];
124	int	failed;
125 	unsigned	digest;
126 	const char*	progname;
127
128 	if ((progname = strrchr(argv[0], '/')) == NULL)
129 		progname = argv[0];
130 	else
131 		progname++;
132
133 	for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
134 		if (strcasecmp(Algorithm[digest].progname, progname) == 0)
135 			break;
136
137 	if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
138 		digest = 0;
139
140	failed = 0;
141	while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
142		switch (ch) {
143		case 'p':
144			MDFilter(&Algorithm[digest], 1);
145			break;
146		case 'q':
147			qflag = 1;
148			break;
149		case 'r':
150			rflag = 1;
151			break;
152		case 's':
153			sflag = 1;
154			MDString(&Algorithm[digest], optarg);
155			break;
156		case 't':
157			MDTimeTrial(&Algorithm[digest]);
158			break;
159		case 'x':
160			MDTestSuite(&Algorithm[digest]);
161			break;
162		default:
163			usage(&Algorithm[digest]);
164		}
165	argc -= optind;
166	argv += optind;
167
168	if (*argv) {
169		do {
170			p = Algorithm[digest].File(*argv, buf);
171			if (!p) {
172				warn("%s", *argv);
173				failed++;
174			} else {
175				if (qflag)
176					printf("%s\n", p);
177				else if (rflag)
178					printf("%s %s\n", p, *argv);
179				else
180					printf("%s (%s) = %s\n",
181					    Algorithm[digest].name, *argv, p);
182			}
183		} while (*++argv);
184	} else if (!sflag && (optind == 1 || qflag || rflag))
185		MDFilter(&Algorithm[digest], 0);
186
187	if (failed != 0)
188		return (1);
189
190	return (0);
191}
192/*
193 * Digests a string and prints the result.
194 */
195static void
196MDString(Algorithm_t *alg, const char *string)
197{
198	size_t len = strlen(string);
199	char buf[HEX_DIGEST_LENGTH];
200
201	if (qflag)
202		printf("%s\n", alg->Data(string, len, buf));
203	else if (rflag)
204		printf("%s \"%s\"\n", alg->Data(string, len, buf), string);
205	else
206		printf("%s (\"%s\") = %s\n", alg->name, string, alg->Data(string, len, buf));
207}
208/*
209 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
210 */
211static void
212MDTimeTrial(Algorithm_t *alg)
213{
214	DIGEST_CTX context;
215	struct rusage before, after;
216	struct timeval total;
217	float seconds;
218	unsigned char block[TEST_BLOCK_LEN];
219	unsigned int i;
220	char *p, buf[HEX_DIGEST_LENGTH];
221
222	printf("%s time trial. Digesting %d %d-byte blocks ...",
223	    alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
224	fflush(stdout);
225
226	/* Initialize block */
227	for (i = 0; i < TEST_BLOCK_LEN; i++)
228		block[i] = (unsigned char) (i & 0xff);
229
230	/* Start timer */
231	getrusage(RUSAGE_SELF, &before);
232
233	/* Digest blocks */
234	alg->Init(&context);
235	for (i = 0; i < TEST_BLOCK_COUNT; i++)
236		alg->Update(&context, block, TEST_BLOCK_LEN);
237	p = alg->End(&context, buf);
238
239	/* Stop timer */
240	getrusage(RUSAGE_SELF, &after);
241	timersub(&after.ru_utime, &before.ru_utime, &total);
242	seconds = total.tv_sec + (float) total.tv_usec / 1000000;
243
244	printf(" done\n");
245	printf("Digest = %s", p);
246	printf("\nTime = %f seconds\n", seconds);
247	printf("Speed = %f bytes/second\n",
248	    (float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
249}
250/*
251 * Digests a reference suite of strings and prints the results.
252 */
253
254const char *MDTestInput[MDTESTCOUNT] = {
255	"",
256	"a",
257	"abc",
258	"message digest",
259	"abcdefghijklmnopqrstuvwxyz",
260	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
261	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
262	"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
263that its security is in some doubt"
264};
265
266const char *MD5TestOutput[MDTESTCOUNT] = {
267	"d41d8cd98f00b204e9800998ecf8427e",
268	"0cc175b9c0f1b6a831c399e269772661",
269	"900150983cd24fb0d6963f7d28e17f72",
270	"f96b697d7cb7938d525a2f31aaf161d0",
271	"c3fcd3d76192e4007dfb496cca67e13b",
272	"d174ab98d277d9f5a5611c2c9f419d9f",
273	"57edf4a22be3c955ac49da2e2107b67a",
274	"b50663f41d44d92171cb9976bc118538"
275};
276
277const char *SHA1_TestOutput[MDTESTCOUNT] = {
278	"da39a3ee5e6b4b0d3255bfef95601890afd80709",
279	"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
280	"a9993e364706816aba3e25717850c26c9cd0d89d",
281	"c12252ceda8be8994d5fa0290a47231c1d16aae3",
282	"32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
283	"761c457bf73b14d27e9e9265c46f4b4dda11f940",
284	"50abf5706a150990a08b2c5ea40fa0e585554732",
285	"18eca4333979c4181199b7b4fab8786d16cf2846"
286};
287
288const char *SHA256_TestOutput[MDTESTCOUNT] = {
289	"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
290	"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
291	"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
292	"f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
293	"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
294	"db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
295	"f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
296	"e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
297};
298
299const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
300	"9c1185a5c5e9fc54612808977ee8f548b2258d31",
301	"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
302	"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
303	"5d0689ef49d2fae572b881b123a85ffa21595f36",
304	"f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
305	"b0e20b6e3116640286ed3a87a5713079b21f5189",
306	"9b752e45573d4b39f4dbd3323cab82bf63326bfb",
307	"5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
308};
309
310static void
311MDTestSuite(Algorithm_t *alg)
312{
313	int i;
314	char buffer[HEX_DIGEST_LENGTH];
315
316	printf("%s test suite:\n", alg->name);
317	for (i = 0; i < MDTESTCOUNT; i++) {
318		(*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
319		printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
320		if (strcmp(buffer, (*alg->TestOutput)[i]) == 0)
321			printf(" - verified correct\n");
322		else
323			printf(" - INCORRECT RESULT!\n");
324	}
325}
326
327/*
328 * Digests the standard input and prints the result.
329 */
330static void
331MDFilter(Algorithm_t *alg, int tee)
332{
333	DIGEST_CTX context;
334	unsigned int len;
335	unsigned char buffer[BUFSIZ];
336	char buf[HEX_DIGEST_LENGTH];
337
338	alg->Init(&context);
339	while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
340		if (tee && len != fwrite(buffer, 1, len, stdout))
341			err(1, "stdout");
342		alg->Update(&context, buffer, len);
343	}
344	printf("%s\n", alg->End(&context, buf));
345}
346
347static void
348usage(Algorithm_t *alg)
349{
350
351	fprintf(stderr, "usage: %s [-pqrtx] [-s string] [files ...]\n", alg->progname);
352	exit(1);
353}
354