aboutsummaryrefslogtreecommitdiff
path: root/sbin/md5/md5.c
blob: 8672d3f4b207a87a6c1b925596f39be008ffdebf (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/*
 * Derived from:
 *
 * MDDRIVER.C - test driver for MD2, MD4 and MD5
 */

/*
 *  Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
 *  rights reserved.
 *
 *  RSA Data Security, Inc. makes no representations concerning either
 *  the merchantability of this software or the suitability of this
 *  software for any particular purpose. It is provided "as is"
 *  without express or implied warranty of any kind.
 *
 *  These notices must be retained in any copies of any part of this
 *  documentation and/or software.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <err.h>
#include <md5.h>
#include <ripemd.h>
#include <sha.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>

/*
 * Length of test block, number of test blocks.
 */
#define TEST_BLOCK_LEN 10000
#define TEST_BLOCK_COUNT 100000
#define MDTESTCOUNT 8

int qflag;
int rflag;
int sflag;

typedef void (DIGEST_Init)(void *);
typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
typedef char *(DIGEST_End)(void *, char *);

extern const char *MD5TestOutput[MDTESTCOUNT];
extern const char *SHA1_TestOutput[MDTESTCOUNT];
extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];

typedef struct Algorithm_t {
	const char *progname;
	const char *name;
	const char *(*TestOutput)[MDTESTCOUNT];
	DIGEST_Init *Init;
	DIGEST_Update *Update;
	DIGEST_End *End;
	char *(*Data)(const unsigned char *, unsigned int, char *);
	char *(*File)(const char *, char *);
} Algorithm_t;

static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
static void MDString(Algorithm_t *, const char *);
static void MDTimeTrial(Algorithm_t *);
static void MDTestSuite(Algorithm_t *);
static void MDFilter(Algorithm_t *, int);
static void usage(Algorithm_t *);

typedef union {
	MD5_CTX md5;
	SHA1_CTX sha1;
	RIPEMD160_CTX ripemd160;
} DIGEST_CTX;

/* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH, RIPEMD160_DIGEST_LENGTH)*2+1 */
#define HEX_DIGEST_LENGTH 41

/* algorithm function table */

struct Algorithm_t Algorithm[] = {
	{ "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
		(DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
		&MD5Data, &MD5File },
	{ "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
		(DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
		&SHA1_Data, &SHA1_File },
	{ "rmd160", "RMD160", &RIPEMD160_TestOutput,
		(DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
		(DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_File }
};

static void
MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
{
	MD5Update(c, data, len);
}

/* Main driver.

Arguments (may be any combination):
  -sstring - digests string
  -t       - runs time trial
  -x       - runs test script
  filename - digests file
  (none)   - digests standard input
 */
int
main(int argc, char *argv[])
{
	int     ch;
	char   *p;
	char	buf[HEX_DIGEST_LENGTH];
	int     failed;
 	unsigned	digest;
 	const char*	progname;
 
 	if ((progname = strrchr(argv[0], '/')) == NULL)
 		progname = argv[0];
 	else
 		progname++;
 
 	for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
 		if (strcasecmp(Algorithm[digest].progname, progname) == 0)
 			break;
 
 	if (Algorithm[digest].progname == NULL)
 		digest = 0;

	failed = 0;
	while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
		switch (ch) {
		case 'p':
			MDFilter(&Algorithm[digest], 1);
			break;
		case 'q':
			qflag = 1;
			break;
		case 'r':
			rflag = 1;
			break;
		case 's':
			sflag = 1;
			MDString(&Algorithm[digest], optarg);
			break;
		case 't':
			MDTimeTrial(&Algorithm[digest]);
			break;
		case 'x':
			MDTestSuite(&Algorithm[digest]);
			break;
		default:
			usage(&Algorithm[digest]);
		}
	argc -= optind;
	argv += optind;

	if (*argv) {
		do {
			p = Algorithm[digest].File(*argv, buf);
			if (!p) {
				warn("%s", *argv);
				failed++;
			} else {
				if (qflag)
					printf("%s\n", p);
				else if (rflag)
					printf("%s %s\n", p, *argv);
				else
					printf("%s (%s) = %s\n", Algorithm[digest].name, *argv, p);
			}
		} while (*++argv);
	} else if (!sflag && (optind == 1 || qflag || rflag))
		MDFilter(&Algorithm[digest], 0);

	if (failed != 0)
		return (1);
 
	return (0);
}
/*
 * Digests a string and prints the result.
 */
static void
MDString(Algorithm_t *alg, const char *string)
{
	size_t len = strlen(string);
	char buf[HEX_DIGEST_LENGTH];

	if (qflag)
		printf("%s\n", alg->Data(string, len, buf));
	else if (rflag)
		printf("%s \"%s\"\n", alg->Data(string, len, buf), string);
	else
		printf("%s (\"%s\") = %s\n", alg->name, string, alg->Data(string, len, buf));
}
/*
 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
 */
static void
MDTimeTrial(Algorithm_t *alg)
{
	DIGEST_CTX context;
	struct rusage before, after;
	struct timeval total;
	float seconds;
	unsigned char block[TEST_BLOCK_LEN];
	unsigned int i;
	char   *p, buf[HEX_DIGEST_LENGTH];

	printf
	    ("%s time trial. Digesting %d %d-byte blocks ...",
	    alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
	fflush(stdout);

	/* Initialize block */
	for (i = 0; i < TEST_BLOCK_LEN; i++)
		block[i] = (unsigned char) (i & 0xff);

	/* Start timer */
	getrusage(0, &before);

	/* Digest blocks */
	alg->Init(&context);
	for (i = 0; i < TEST_BLOCK_COUNT; i++)
		alg->Update(&context, block, TEST_BLOCK_LEN);
	p = alg->End(&context, buf);

	/* Stop timer */
	getrusage(0, &after);
	timersub(&after.ru_utime, &before.ru_utime, &total);
	seconds = total.tv_sec + (float) total.tv_usec / 1000000;

	printf(" done\n");
	printf("Digest = %s", p);
	printf("\nTime = %f seconds\n", seconds);
	printf
	    ("Speed = %f bytes/second\n",
	    (float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
}
/*
 * Digests a reference suite of strings and prints the results.
 */

const char *MDTestInput[MDTESTCOUNT] = {
	"", 
	"a",
	"abc",
	"message digest",
	"abcdefghijklmnopqrstuvwxyz",
	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
	"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
	"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
that its security is in some doubt"
};

const char *MD5TestOutput[MDTESTCOUNT] = {
	"d41d8cd98f00b204e9800998ecf8427e",
	"0cc175b9c0f1b6a831c399e269772661",
	"900150983cd24fb0d6963f7d28e17f72",
	"f96b697d7cb7938d525a2f31aaf161d0",
	"c3fcd3d76192e4007dfb496cca67e13b",
	"d174ab98d277d9f5a5611c2c9f419d9f",
	"57edf4a22be3c955ac49da2e2107b67a",
	"b50663f41d44d92171cb9976bc118538"
};

const char *SHA1_TestOutput[MDTESTCOUNT] = {
	"da39a3ee5e6b4b0d3255bfef95601890afd80709",
	"86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
	"a9993e364706816aba3e25717850c26c9cd0d89d",
	"c12252ceda8be8994d5fa0290a47231c1d16aae3",
	"32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
	"761c457bf73b14d27e9e9265c46f4b4dda11f940",
	"50abf5706a150990a08b2c5ea40fa0e585554732",
	"18eca4333979c4181199b7b4fab8786d16cf2846"
};

const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
	"9c1185a5c5e9fc54612808977ee8f548b2258d31",
	"0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
	"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
	"5d0689ef49d2fae572b881b123a85ffa21595f36",
	"f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
	"b0e20b6e3116640286ed3a87a5713079b21f5189",
	"9b752e45573d4b39f4dbd3323cab82bf63326bfb",
	"5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
};

static void
MDTestSuite(Algorithm_t *alg)
{
	int i;
	char buffer[HEX_DIGEST_LENGTH];

	printf("%s test suite:\n", alg->name);
	for (i = 0; i < MDTESTCOUNT; i++) {
		(*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
		printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
		if (strcmp(buffer, (*alg->TestOutput)[i]) == 0)
			printf(" - verified correct\n");
		else
			printf(" - INCORRECT RESULT!\n");
	}
}

/*
 * Digests the standard input and prints the result.
 */
static void
MDFilter(Algorithm_t *alg, int tee)
{
	DIGEST_CTX context;
	unsigned int len;
	unsigned char buffer[BUFSIZ];
	char buf[HEX_DIGEST_LENGTH];

	alg->Init(&context);
	while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
		if (tee && len != fwrite(buffer, 1, len, stdout))
			err(1, "stdout");
		alg->Update(&context, buffer, len);
	}
	printf("%s\n", alg->End(&context, buf));
}

static void
usage(Algorithm_t *alg)
{

	fprintf(stderr, "usage: %s [-pqrtx] [-s string] [files ...]\n", alg->progname);
	exit(1);
}