md5.c revision 314327 
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/10/sbin/md5/md5.c 314327 2017-02-27 08:27:38Z avg $");
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 <sha384.h>
32#include <sha512.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36#include <time.h>
37#include <unistd.h>
38
39/*
40 * Length of test block, number of test blocks.
41 */
42#define TEST_BLOCK_LEN 10000
43#define TEST_BLOCK_COUNT 100000
44#define MDTESTCOUNT 8
45
46static int qflag;
47static int rflag;
48static int sflag;
49static char* checkAgainst;
50static int checksFailed;
51
52typedef void (DIGEST_Init)(void *);
53typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
54typedef char *(DIGEST_End)(void *, char *);
55
56extern const char *MD5TestOutput[MDTESTCOUNT];
57extern const char *SHA1_TestOutput[MDTESTCOUNT];
58extern const char *SHA256_TestOutput[MDTESTCOUNT];
59extern const char *SHA384_TestOutput[MDTESTCOUNT];
60extern const char *SHA512_TestOutput[MDTESTCOUNT];
61extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
62
63typedef struct Algorithm_t {
64	const char *progname;
65	const char *name;
66	const char *(*TestOutput)[MDTESTCOUNT];
67	DIGEST_Init *Init;
68	DIGEST_Update *Update;
69	DIGEST_End *End;
70	char *(*Data)(const void *, unsigned int, char *);
71	char *(*File)(const char *, char *);
72} Algorithm_t;
73
74static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
75static void MDString(const Algorithm_t *, const char *);
76static void MDTimeTrial(const Algorithm_t *);
77static void MDTestSuite(const Algorithm_t *);
78static void MDFilter(const Algorithm_t *, int);
79static void usage(const Algorithm_t *);
80
81typedef union {
82	MD5_CTX md5;
83	SHA1_CTX sha1;
84	SHA256_CTX sha256;
85	SHA384_CTX sha384;
86	SHA512_CTX sha512;
87	RIPEMD160_CTX ripemd160;
88} DIGEST_CTX;
89
90/* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
91	SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH,
92	RIPEMD160_DIGEST_LENGTH)*2+1 */
93#define HEX_DIGEST_LENGTH 129
94
95/* algorithm function table */
96
97static const struct Algorithm_t Algorithm[] = {
98	{ "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
99		(DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
100		&MD5Data, &MD5File },
101	{ "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
102		(DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
103		&SHA1_Data, &SHA1_File },
104	{ "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
105		(DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
106		&SHA256_Data, &SHA256_File },
107	{ "sha384", "SHA384", &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init,
108		(DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End,
109		&SHA384_Data, &SHA384_File },
110	{ "sha512", "SHA512", &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init,
111		(DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End,
112		&SHA512_Data, &SHA512_File },
113	{ "rmd160", "RMD160", &RIPEMD160_TestOutput,
114		(DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
115		(DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_File }
116};
117
118static void
119MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
120{
121	MD5Update(c, data, len);
122}
123
124/* Main driver.
125
126Arguments (may be any combination):
127  -sstring - digests string
128  -t       - runs time trial
129  -x       - runs test script
130  filename - digests file
131  (none)   - digests standard input
132 */
133int
134main(int argc, char *argv[])
135{
136	int	ch;
137	char   *p;
138	char	buf[HEX_DIGEST_LENGTH];
139	int	failed;
140 	unsigned	digest;
141 	const char*	progname;
142
143 	if ((progname = strrchr(argv[0], '/')) == NULL)
144 		progname = argv[0];
145 	else
146 		progname++;
147
148 	for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
149 		if (strcasecmp(Algorithm[digest].progname, progname) == 0)
150 			break;
151
152 	if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
153 		digest = 0;
154
155	failed = 0;
156	checkAgainst = NULL;
157	checksFailed = 0;
158	while ((ch = getopt(argc, argv, "c:pqrs:tx")) != -1)
159		switch (ch) {
160		case 'c':
161			checkAgainst = optarg;
162			break;
163		case 'p':
164			MDFilter(&Algorithm[digest], 1);
165			break;
166		case 'q':
167			qflag = 1;
168			break;
169		case 'r':
170			rflag = 1;
171			break;
172		case 's':
173			sflag = 1;
174			MDString(&Algorithm[digest], optarg);
175			break;
176		case 't':
177			MDTimeTrial(&Algorithm[digest]);
178			break;
179		case 'x':
180			MDTestSuite(&Algorithm[digest]);
181			break;
182		default:
183			usage(&Algorithm[digest]);
184		}
185	argc -= optind;
186	argv += optind;
187
188	if (*argv) {
189		do {
190			p = Algorithm[digest].File(*argv, buf);
191			if (!p) {
192				warn("%s", *argv);
193				failed++;
194			} else {
195				if (qflag)
196					printf("%s", p);
197				else if (rflag)
198					printf("%s %s", p, *argv);
199				else
200					printf("%s (%s) = %s",
201					    Algorithm[digest].name, *argv, p);
202				if (checkAgainst && strcmp(checkAgainst,p))
203				{
204					checksFailed++;
205					if (!qflag)
206						printf(" [ Failed ]");
207				}
208				printf("\n");
209			}
210		} while (*++argv);
211	} else if (!sflag && (optind == 1 || qflag || rflag))
212		MDFilter(&Algorithm[digest], 0);
213
214	if (failed != 0)
215		return (1);
216	if (checksFailed != 0)
217		return (2);
218
219	return (0);
220}
221/*
222 * Digests a string and prints the result.
223 */
224static void
225MDString(const Algorithm_t *alg, const char *string)
226{
227	size_t len = strlen(string);
228	char buf[HEX_DIGEST_LENGTH];
229
230	alg->Data(string,len,buf);
231	if (qflag)
232		printf("%s", buf);
233	else if (rflag)
234		printf("%s \"%s\"", buf, string);
235	else
236		printf("%s (\"%s\") = %s", alg->name, string, buf);
237	if (checkAgainst && strcmp(buf,checkAgainst))
238	{
239		checksFailed++;
240		if (!qflag)
241			printf(" [ failed ]");
242	}
243	printf("\n");
244}
245/*
246 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
247 */
248static void
249MDTimeTrial(const Algorithm_t *alg)
250{
251	DIGEST_CTX context;
252	struct rusage before, after;
253	struct timeval total;
254	float seconds;
255	unsigned char block[TEST_BLOCK_LEN];
256	unsigned int i;
257	char *p, buf[HEX_DIGEST_LENGTH];
258
259	printf("%s time trial. Digesting %d %d-byte blocks ...",
260	    alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
261	fflush(stdout);
262
263	/* Initialize block */
264	for (i = 0; i < TEST_BLOCK_LEN; i++)
265		block[i] = (unsigned char) (i & 0xff);
266
267	/* Start timer */
268	getrusage(RUSAGE_SELF, &before);
269
270	/* Digest blocks */
271	alg->Init(&context);
272	for (i = 0; i < TEST_BLOCK_COUNT; i++)
273		alg->Update(&context, block, TEST_BLOCK_LEN);
274	p = alg->End(&context, buf);
275
276	/* Stop timer */
277	getrusage(RUSAGE_SELF, &after);
278	timersub(&after.ru_utime, &before.ru_utime, &total);
279	seconds = total.tv_sec + (float) total.tv_usec / 1000000;
280
281	printf(" done\n");
282	printf("Digest = %s", p);
283	printf("\nTime = %f seconds\n", seconds);
284	printf("Speed = %f bytes/second\n",
285	    (float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
286}
287/*
288 * Digests a reference suite of strings and prints the results.
289 */
290
291static const char *MDTestInput[MDTESTCOUNT] = {
292	"",
293	"a",
294	"abc",
295	"message digest",
296	"abcdefghijklmnopqrstuvwxyz",
297	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
298	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
299	"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
300that its security is in some doubt"
301};
302
303const char *MD5TestOutput[MDTESTCOUNT] = {
304	"d41d8cd98f00b204e9800998ecf8427e",
305	"0cc175b9c0f1b6a831c399e269772661",
306	"900150983cd24fb0d6963f7d28e17f72",
307	"f96b697d7cb7938d525a2f31aaf161d0",
308	"c3fcd3d76192e4007dfb496cca67e13b",
309	"d174ab98d277d9f5a5611c2c9f419d9f",
310	"57edf4a22be3c955ac49da2e2107b67a",
311	"b50663f41d44d92171cb9976bc118538"
312};
313
314const char *SHA1_TestOutput[MDTESTCOUNT] = {
315	"da39a3ee5e6b4b0d3255bfef95601890afd80709",
316	"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
317	"a9993e364706816aba3e25717850c26c9cd0d89d",
318	"c12252ceda8be8994d5fa0290a47231c1d16aae3",
319	"32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
320	"761c457bf73b14d27e9e9265c46f4b4dda11f940",
321	"50abf5706a150990a08b2c5ea40fa0e585554732",
322	"18eca4333979c4181199b7b4fab8786d16cf2846"
323};
324
325const char *SHA256_TestOutput[MDTESTCOUNT] = {
326	"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
327	"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
328	"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
329	"f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
330	"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
331	"db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
332	"f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
333	"e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
334};
335
336const char *SHA384_TestOutput[MDTESTCOUNT] = {
337	"38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
338	"54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31",
339	"cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
340	"473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5",
341	"feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4",
342	"1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84",
343	"b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026",
344	"99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb"
345};
346
347const char *SHA512_TestOutput[MDTESTCOUNT] = {
348	"cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
349	"1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75",
350	"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
351	"107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c",
352	"4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1",
353	"1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894",
354	"72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843",
355	"e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3"
356};
357
358const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
359	"9c1185a5c5e9fc54612808977ee8f548b2258d31",
360	"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
361	"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
362	"5d0689ef49d2fae572b881b123a85ffa21595f36",
363	"f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
364	"b0e20b6e3116640286ed3a87a5713079b21f5189",
365	"9b752e45573d4b39f4dbd3323cab82bf63326bfb",
366	"5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
367};
368
369static void
370MDTestSuite(const Algorithm_t *alg)
371{
372	int i;
373	char buffer[HEX_DIGEST_LENGTH];
374
375	printf("%s test suite:\n", alg->name);
376	for (i = 0; i < MDTESTCOUNT; i++) {
377		(*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
378		printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
379		if (strcmp(buffer, (*alg->TestOutput)[i]) == 0)
380			printf(" - verified correct\n");
381		else
382			printf(" - INCORRECT RESULT!\n");
383	}
384}
385
386/*
387 * Digests the standard input and prints the result.
388 */
389static void
390MDFilter(const Algorithm_t *alg, int tee)
391{
392	DIGEST_CTX context;
393	unsigned int len;
394	unsigned char buffer[BUFSIZ];
395	char buf[HEX_DIGEST_LENGTH];
396
397	alg->Init(&context);
398	while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
399		if (tee && len != fwrite(buffer, 1, len, stdout))
400			err(1, "stdout");
401		alg->Update(&context, buffer, len);
402	}
403	printf("%s\n", alg->End(&context, buf));
404}
405
406static void
407usage(const Algorithm_t *alg)
408{
409
410	fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n", alg->progname);
411	exit(1);
412}
413