md5.c revision 239937 
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: stable/9/sbin/md5/md5.c 239937 2012-08-31 06:42:51Z delphij $");
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;
47unsigned char* checkAgainst;
48int	checksFailed;
49
50typedef void (DIGEST_Init)(void *);
51typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
52typedef char *(DIGEST_End)(void *, char *);
53
54extern const char *MD5TestOutput[MDTESTCOUNT];
55extern const char *SHA1_TestOutput[MDTESTCOUNT];
56extern const char *SHA256_TestOutput[MDTESTCOUNT];
57extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
58
59typedef struct Algorithm_t {
60	const char *progname;
61	const char *name;
62	const char *(*TestOutput)[MDTESTCOUNT];
63	DIGEST_Init *Init;
64	DIGEST_Update *Update;
65	DIGEST_End *End;
66	char *(*Data)(const void *, unsigned int, char *);
67	char *(*File)(const char *, char *);
68} Algorithm_t;
69
70static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
71static void MDString(Algorithm_t *, const char *);
72static void MDTimeTrial(Algorithm_t *);
73static void MDTestSuite(Algorithm_t *);
74static void MDFilter(Algorithm_t *, int);
75static void usage(Algorithm_t *);
76
77typedef union {
78	MD5_CTX md5;
79	SHA1_CTX sha1;
80	SHA256_CTX sha256;
81	RIPEMD160_CTX ripemd160;
82} DIGEST_CTX;
83
84/* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
85	SHA256_DIGEST_LENGTH, RIPEMD160_DIGEST_LENGTH)*2+1 */
86#define HEX_DIGEST_LENGTH 65
87
88/* algorithm function table */
89
90struct Algorithm_t Algorithm[] = {
91	{ "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
92		(DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
93		&MD5Data, &MD5File },
94	{ "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
95		(DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
96		&SHA1_Data, &SHA1_File },
97	{ "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
98		(DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
99		&SHA256_Data, &SHA256_File },
100	{ "rmd160", "RMD160", &RIPEMD160_TestOutput,
101		(DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
102		(DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_File }
103};
104
105static void
106MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
107{
108	MD5Update(c, data, len);
109}
110
111/* Main driver.
112
113Arguments (may be any combination):
114  -sstring - digests string
115  -t       - runs time trial
116  -x       - runs test script
117  filename - digests file
118  (none)   - digests standard input
119 */
120int
121main(int argc, char *argv[])
122{
123	int	ch;
124	char   *p;
125	char	buf[HEX_DIGEST_LENGTH];
126	int	failed;
127 	unsigned	digest;
128 	const char*	progname;
129
130 	if ((progname = strrchr(argv[0], '/')) == NULL)
131 		progname = argv[0];
132 	else
133 		progname++;
134
135 	for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
136 		if (strcasecmp(Algorithm[digest].progname, progname) == 0)
137 			break;
138
139 	if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
140 		digest = 0;
141
142	failed = 0;
143	checkAgainst = NULL;
144	checksFailed = 0;
145	while ((ch = getopt(argc, argv, "c:pqrs:tx")) != -1)
146		switch (ch) {
147		case 'c':
148			checkAgainst = optarg;
149			break;
150		case 'p':
151			MDFilter(&Algorithm[digest], 1);
152			break;
153		case 'q':
154			qflag = 1;
155			break;
156		case 'r':
157			rflag = 1;
158			break;
159		case 's':
160			sflag = 1;
161			MDString(&Algorithm[digest], optarg);
162			break;
163		case 't':
164			MDTimeTrial(&Algorithm[digest]);
165			break;
166		case 'x':
167			MDTestSuite(&Algorithm[digest]);
168			break;
169		default:
170			usage(&Algorithm[digest]);
171		}
172	argc -= optind;
173	argv += optind;
174
175	if (*argv) {
176		do {
177			p = Algorithm[digest].File(*argv, buf);
178			if (!p) {
179				warn("%s", *argv);
180				failed++;
181			} else {
182				if (qflag)
183					printf("%s", p);
184				else if (rflag)
185					printf("%s %s", p, *argv);
186				else
187					printf("%s (%s) = %s",
188					    Algorithm[digest].name, *argv, p);
189				if (checkAgainst && strcmp(checkAgainst,p))
190				{
191					checksFailed++;
192					if (!qflag)
193						printf(" [ Failed ]");
194				}
195				printf("\n");
196			}
197		} while (*++argv);
198	} else if (!sflag && (optind == 1 || qflag || rflag))
199		MDFilter(&Algorithm[digest], 0);
200
201	if (failed != 0)
202		return (1);
203	if (checksFailed != 0)
204		return (2);
205
206	return (0);
207}
208/*
209 * Digests a string and prints the result.
210 */
211static void
212MDString(Algorithm_t *alg, const char *string)
213{
214	size_t len = strlen(string);
215	char buf[HEX_DIGEST_LENGTH];
216
217	alg->Data(string,len,buf);
218	if (qflag)
219		printf("%s", buf);
220	else if (rflag)
221		printf("%s \"%s\"", buf, string);
222	else
223		printf("%s (\"%s\") = %s", alg->name, string, buf);
224	if (checkAgainst && strcmp(buf,checkAgainst))
225	{
226		checksFailed++;
227		if (!qflag)
228			printf(" [ failed ]");
229	}
230	printf("\n");
231}
232/*
233 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
234 */
235static void
236MDTimeTrial(Algorithm_t *alg)
237{
238	DIGEST_CTX context;
239	struct rusage before, after;
240	struct timeval total;
241	float seconds;
242	unsigned char block[TEST_BLOCK_LEN];
243	unsigned int i;
244	char *p, buf[HEX_DIGEST_LENGTH];
245
246	printf("%s time trial. Digesting %d %d-byte blocks ...",
247	    alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
248	fflush(stdout);
249
250	/* Initialize block */
251	for (i = 0; i < TEST_BLOCK_LEN; i++)
252		block[i] = (unsigned char) (i & 0xff);
253
254	/* Start timer */
255	getrusage(RUSAGE_SELF, &before);
256
257	/* Digest blocks */
258	alg->Init(&context);
259	for (i = 0; i < TEST_BLOCK_COUNT; i++)
260		alg->Update(&context, block, TEST_BLOCK_LEN);
261	p = alg->End(&context, buf);
262
263	/* Stop timer */
264	getrusage(RUSAGE_SELF, &after);
265	timersub(&after.ru_utime, &before.ru_utime, &total);
266	seconds = total.tv_sec + (float) total.tv_usec / 1000000;
267
268	printf(" done\n");
269	printf("Digest = %s", p);
270	printf("\nTime = %f seconds\n", seconds);
271	printf("Speed = %f bytes/second\n",
272	    (float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
273}
274/*
275 * Digests a reference suite of strings and prints the results.
276 */
277
278const char *MDTestInput[MDTESTCOUNT] = {
279	"",
280	"a",
281	"abc",
282	"message digest",
283	"abcdefghijklmnopqrstuvwxyz",
284	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
285	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
286	"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
287that its security is in some doubt"
288};
289
290const char *MD5TestOutput[MDTESTCOUNT] = {
291	"d41d8cd98f00b204e9800998ecf8427e",
292	"0cc175b9c0f1b6a831c399e269772661",
293	"900150983cd24fb0d6963f7d28e17f72",
294	"f96b697d7cb7938d525a2f31aaf161d0",
295	"c3fcd3d76192e4007dfb496cca67e13b",
296	"d174ab98d277d9f5a5611c2c9f419d9f",
297	"57edf4a22be3c955ac49da2e2107b67a",
298	"b50663f41d44d92171cb9976bc118538"
299};
300
301const char *SHA1_TestOutput[MDTESTCOUNT] = {
302	"da39a3ee5e6b4b0d3255bfef95601890afd80709",
303	"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
304	"a9993e364706816aba3e25717850c26c9cd0d89d",
305	"c12252ceda8be8994d5fa0290a47231c1d16aae3",
306	"32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
307	"761c457bf73b14d27e9e9265c46f4b4dda11f940",
308	"50abf5706a150990a08b2c5ea40fa0e585554732",
309	"18eca4333979c4181199b7b4fab8786d16cf2846"
310};
311
312const char *SHA256_TestOutput[MDTESTCOUNT] = {
313	"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
314	"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
315	"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
316	"f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
317	"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
318	"db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
319	"f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
320	"e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
321};
322
323const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
324	"9c1185a5c5e9fc54612808977ee8f548b2258d31",
325	"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
326	"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
327	"5d0689ef49d2fae572b881b123a85ffa21595f36",
328	"f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
329	"b0e20b6e3116640286ed3a87a5713079b21f5189",
330	"9b752e45573d4b39f4dbd3323cab82bf63326bfb",
331	"5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
332};
333
334static void
335MDTestSuite(Algorithm_t *alg)
336{
337	int i;
338	char buffer[HEX_DIGEST_LENGTH];
339
340	printf("%s test suite:\n", alg->name);
341	for (i = 0; i < MDTESTCOUNT; i++) {
342		(*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
343		printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
344		if (strcmp(buffer, (*alg->TestOutput)[i]) == 0)
345			printf(" - verified correct\n");
346		else
347			printf(" - INCORRECT RESULT!\n");
348	}
349}
350
351/*
352 * Digests the standard input and prints the result.
353 */
354static void
355MDFilter(Algorithm_t *alg, int tee)
356{
357	DIGEST_CTX context;
358	unsigned int len;
359	unsigned char buffer[BUFSIZ];
360	char buf[HEX_DIGEST_LENGTH];
361
362	alg->Init(&context);
363	while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
364		if (tee && len != fwrite(buffer, 1, len, stdout))
365			err(1, "stdout");
366		alg->Update(&context, buffer, len);
367	}
368	printf("%s\n", alg->End(&context, buf));
369}
370
371static void
372usage(Algorithm_t *alg)
373{
374
375	fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n", alg->progname);
376	exit(1);
377}
378