md5.c revision 9489 
1/*
2 * $Id: md5.c,v 1.5 1995/05/30 06:09:19 rgrimes Exp $
3 *
4 * Derived from:
5 */
6
7/*
8 * MDDRIVER.C - test driver for MD2, MD4 and MD5
9 */
10
11/*
12 *  Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
13 *  rights reserved.
14 *
15 *  RSA Data Security, Inc. makes no representations concerning either
16 *  the merchantability of this software or the suitability of this
17 *  software for any particular purpose. It is provided "as is"
18 *  without express or implied warranty of any kind.
19 *
20 *  These notices must be retained in any copies of any part of this
21 *  documentation and/or software.
22 */
23
24#include <stdio.h>
25#include <time.h>
26#include <string.h>
27#include "global.h"
28#include <md5.h>
29
30/*
31 * Length of test block, number of test blocks.
32 */
33#define TEST_BLOCK_LEN 1000
34#define TEST_BLOCK_COUNT 1000
35
36static void MDString PROTO_LIST((char *));
37static void MDTimeTrial PROTO_LIST((void));
38static void MDTestSuite PROTO_LIST((void));
39static void MDFilter PROTO_LIST((int));
40
41/* Main driver.
42
43Arguments (may be any combination):
44  -sstring - digests string
45  -t       - runs time trial
46  -x       - runs test script
47  filename - digests file
48  (none)   - digests standard input
49 */
50int
51main(argc, argv)
52	int     argc;
53	char   *argv[];
54{
55	int     i;
56	char   *p;
57	char	buf[33];
58
59	if (argc > 1)
60		for (i = 1; i < argc; i++)
61			if (argv[i][0] == '-' && argv[i][1] == 's')
62				MDString(argv[i] + 2);
63			else if (strcmp(argv[i], "-t") == 0)
64				MDTimeTrial();
65			else if (strcmp(argv[i], "-p") == 0)
66				MDFilter(1);
67			else if (strcmp(argv[i], "-x") == 0)
68				MDTestSuite();
69			else {
70				p = MD5File(argv[i],buf);
71				if (!p)
72					perror(argv[i]);
73				else
74					printf("MD5 (%s) = %s\n", argv[i], p);
75			}
76	else
77		MDFilter(0);
78
79	return (0);
80}
81/*
82 * Digests a string and prints the result.
83 */
84static void
85MDString(string)
86	char   *string;
87{
88	unsigned int len = strlen(string);
89	char buf[33];
90
91	printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len, buf));
92}
93/*
94 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
95 */
96static void
97MDTimeTrial()
98{
99	MD5_CTX context;
100	time_t  endTime, startTime;
101	unsigned char block[TEST_BLOCK_LEN];
102	unsigned int i;
103	char   *p, buf[33];
104
105	printf
106	    ("MD5 time trial. Digesting %d %d-byte blocks ...",
107	    TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
108
109	/* Initialize block */
110	for (i = 0; i < TEST_BLOCK_LEN; i++)
111		block[i] = (unsigned char) (i & 0xff);
112
113	/* Start timer */
114	time(&startTime);
115
116	/* Digest blocks */
117	MD5Init(&context);
118	for (i = 0; i < TEST_BLOCK_COUNT; i++)
119		MD5Update(&context, block, TEST_BLOCK_LEN);
120	p = MD5End(&context,buf);
121
122	/* Stop timer */
123	time(&endTime);
124
125	printf(" done\n");
126	printf("Digest = %s", p);
127	printf("\nTime = %ld seconds\n", (long) (endTime - startTime));
128	/* Be careful that endTime-startTime is not zero. (Bug fix from Ric
129	 * Anderson, ric@Artisoft.COM.) */
130	printf
131	    ("Speed = %ld bytes/second\n",
132	    (long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT / ((endTime - startTime) != 0 ? (endTime - startTime) : 1));
133}
134/*
135 * Digests a reference suite of strings and prints the results.
136 */
137static void
138MDTestSuite()
139{
140	printf("MD5 test suite:\n");
141
142	MDString("");
143	MDString("a");
144	MDString("abc");
145	MDString("message digest");
146	MDString("abcdefghijklmnopqrstuvwxyz");
147	MDString
148	    ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
149	MDString
150	    ("1234567890123456789012345678901234567890\
1511234567890123456789012345678901234567890");
152}
153
154/*
155 * Digests the standard input and prints the result.
156 */
157static void
158MDFilter(int pipe)
159{
160	MD5_CTX context;
161	int     len;
162	unsigned char buffer[BUFSIZ], digest[16];
163	char buf[33];
164
165	MD5Init(&context);
166	while (len = fread(buffer, 1, BUFSIZ, stdin)) {
167		if(pipe && (len != fwrite(buffer, 1, len, stdout))) {
168			perror("stdout");
169			exit(1);
170		}
171		MD5Update(&context, buffer, len);
172	}
173	printf("%s\n", MD5End(&context,buf));
174}
175