md5.c revision 6562 
1/*
2 * $Id$
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((void));
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
58	if (argc > 1)
59		for (i = 1; i < argc; i++)
60			if (argv[i][0] == '-' && argv[i][1] == 's')
61				MDString(argv[i] + 2);
62			else if (strcmp(argv[i], "-t") == 0)
63				MDTimeTrial();
64			else if (strcmp(argv[i], "-x") == 0)
65				MDTestSuite();
66			else {
67				p = MD5File(argv[i]);
68				if (!p)
69					perror(argv[i]);
70				else
71					printf("MD5 (%s) = %s\n", argv[i], p);
72			}
73	else
74		MDFilter();
75
76	return (0);
77}
78/*
79 * Digests a string and prints the result.
80 */
81static void
82MDString(string)
83	char   *string;
84{
85	unsigned int len = strlen(string);
86
87	printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len));
88}
89/*
90 * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
91 */
92static void
93MDTimeTrial()
94{
95	MD5_CTX context;
96	time_t  endTime, startTime;
97	unsigned char block[TEST_BLOCK_LEN], digest[16];
98	unsigned int i;
99	char   *p;
100
101	printf
102	    ("MD5 time trial. Digesting %d %d-byte blocks ...",
103	    TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
104
105	/* Initialize block */
106	for (i = 0; i < TEST_BLOCK_LEN; i++)
107		block[i] = (unsigned char) (i & 0xff);
108
109	/* Start timer */
110	time(&startTime);
111
112	/* Digest blocks */
113	MD5Init(&context);
114	for (i = 0; i < TEST_BLOCK_COUNT; i++)
115		MD5Update(&context, block, TEST_BLOCK_LEN);
116	p = MD5End(&context);
117
118	/* Stop timer */
119	time(&endTime);
120
121	printf(" done\n");
122	printf("Digest = %s", p);
123	printf("\nTime = %ld seconds\n", (long) (endTime - startTime));
124	/* Be careful that endTime-startTime is not zero. (Bug fix from Ric
125	 * Anderson, ric@Artisoft.COM.) */
126	printf
127	    ("Speed = %ld bytes/second\n",
128	    (long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT / ((endTime - startTime) != 0 ? (endTime - startTime) : 1));
129}
130/*
131 * Digests a reference suite of strings and prints the results.
132 */
133static void
134MDTestSuite()
135{
136	printf("MD5 test suite:\n");
137
138	MDString("");
139	MDString("a");
140	MDString("abc");
141	MDString("message digest");
142	MDString("abcdefghijklmnopqrstuvwxyz");
143	MDString
144	    ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
145	MDString
146	    ("1234567890123456789012345678901234567890\
1471234567890123456789012345678901234567890");
148}
149
150/*
151 * Digests the standard input and prints the result.
152 */
153static void
154MDFilter()
155{
156	MD5_CTX context;
157	int     len;
158	unsigned char buffer[BUFSIZ], digest[16];
159
160	MD5Init(&context);
161	while (len = fread(buffer, 1, BUFSIZ, stdin))
162		MD5Update(&context, buffer, len);
163	printf("%s\n", MD5End(&context));
164}
165