xref: /netbsd/usr.bin/cksum/md5.c (revision 6550d01e)
1 /*	$NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos Exp $	*/
2 
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 #if HAVE_NBTOOL_CONFIG_H
21 #include "nbtool_config.h"
22 #endif
23 
24 #include <sys/cdefs.h>
25 #if defined(__RCSID) && !defined(lint)
26 __RCSID("$NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos Exp $");
27 #endif /* not lint */
28 
29 #include <sys/types.h>
30 
31 #include <err.h>
32 #include <md5.h>
33 #include <stdio.h>
34 #include <string.h>
35 #include <time.h>
36 
37 void	MD5Filter(int);
38 void	MD5String(const char *);
39 void	MD5TestSuite(void);
40 void	MD5TimeTrial(void);
41 
42 #ifndef HASHTYPE
43 #define HASHTYPE "MD5"
44 #endif
45 
46 #ifndef HASHLEN
47 #define HASHLEN 32
48 #endif
49 
50 /*
51  * Length of test block, number of test blocks.
52  */
53 #define TEST_BLOCK_LEN 1000
54 #define TEST_BLOCK_COUNT 1000
55 
56 /*
57  * Digests a string and prints the result.
58  */
59 void
60 MD5String(const char *string)
61 {
62 	unsigned int len = strlen(string);
63 	char buf[HASHLEN + 1];
64 
65 	printf("%s (\"%s\") = %s\n", HASHTYPE, string,
66 	       MD5Data((const unsigned char *)string, len, buf));
67 }
68 
69 /*
70  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
71  */
72 void
73 MD5TimeTrial(void)
74 {
75 	MD5_CTX context;
76 	time_t endTime, startTime;
77 	unsigned char block[TEST_BLOCK_LEN];
78 	unsigned int i;
79 	char *p, buf[HASHLEN + 1];
80 
81 	printf("%s time trial.  Digesting %d %d-byte blocks ...", HASHTYPE,
82 	    TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
83 	fflush(stdout);
84 
85 	/* Initialize block */
86 	for (i = 0; i < TEST_BLOCK_LEN; i++)
87 		block[i] = (unsigned char) (i & 0xff);
88 
89 	/* Start timer */
90 	time(&startTime);
91 
92 	/* Digest blocks */
93 	MD5Init(&context);
94 	for (i = 0; i < TEST_BLOCK_COUNT; i++)
95 		MD5Update(&context, block, TEST_BLOCK_LEN);
96 	p = MD5End(&context,buf);
97 
98 	/* Stop timer */
99 	time(&endTime);
100 
101 	printf(" done\n");
102 	printf("Digest = %s\n", p);
103 	printf("Time = %ld seconds\n", (long) (endTime - startTime));
104 
105 	/*
106 	 * Be careful that endTime-startTime is not zero.
107 	 * (Bug fix from Ric * Anderson, ric@Artisoft.COM.)
108 	 */
109 	printf("Speed = %lld bytes/second\n",
110 	    (long long) TEST_BLOCK_LEN * TEST_BLOCK_COUNT /
111 	    ((endTime - startTime) != 0 ? (endTime - startTime) : 1));
112 }
113 
114 /*
115  * Digests a reference suite of strings and prints the results.
116  */
117 void
118 MD5TestSuite(void)
119 {
120 	printf("%s test suite:\n", HASHTYPE);
121 
122 	MD5String("");
123 	MD5String("a");
124 	MD5String("abc");
125 	MD5String("message digest");
126 	MD5String("abcdefghijklmnopqrstuvwxyz");
127 	MD5String("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq");
128 	MD5String
129 	    ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
130 	MD5String
131 	    ("1234567890123456789012345678901234567890\
132 1234567890123456789012345678901234567890");
133 }
134 
135 /*
136  * Digests the standard input and prints the result.
137  */
138 void
139 MD5Filter(int pipe)
140 {
141 	MD5_CTX context;
142 	size_t len;
143 	unsigned char buffer[BUFSIZ];
144 	char buf[HASHLEN + 1];
145 
146 	MD5Init(&context);
147 	while ((len = fread(buffer, (size_t)1, (size_t)BUFSIZ, stdin)) > 0) {
148 		if (pipe && (len != fwrite(buffer, (size_t)1, len, stdout)))
149 			err(1, "stdout");
150 		MD5Update(&context, buffer, (unsigned int)len);
151 	}
152 	printf("%s\n", MD5End(&context,buf));
153 }
154