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
|
/*
* 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/types.h>
#include <err.h>
#include <md5.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
int qflag;
int rflag;
int sflag;
static void MDString(const char *);
static void MDTimeTrial(void);
static void MDTestSuite(void);
static void MDFilter(int);
static void usage(void);
/* 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[33];
while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
switch (ch) {
case 'p':
MDFilter(1);
break;
case 'q':
qflag = 1;
break;
case 'r':
rflag = 1;
break;
case 's':
sflag = 1;
MDString(optarg);
break;
case 't':
MDTimeTrial();
break;
case 'x':
MDTestSuite();
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (*argv) {
do {
p = MD5File(*argv, buf);
if (!p)
warn("%s", *argv);
else
if (qflag)
printf("%s\n", p);
else if (rflag)
printf("%s %s\n", p, *argv);
else
printf("MD5 (%s) = %s\n", *argv, p);
} while (*++argv);
} else if (!sflag && (optind == 1 || qflag || rflag))
MDFilter(0);
return (0);
}
/*
* Digests a string and prints the result.
*/
static void
MDString(const char *string)
{
size_t len = strlen(string);
char buf[33];
if (qflag)
printf("%s\n", MD5Data(string, len, buf));
else if (rflag)
printf("%s \"%s\"\n", MD5Data(string, len, buf), string);
else
printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len, buf));
}
/*
* Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
*/
static void
MDTimeTrial(void)
{
MD5_CTX context;
time_t endTime, startTime;
unsigned char block[TEST_BLOCK_LEN];
unsigned int i;
char *p, buf[33];
printf
("MD5 time trial. Digesting %d %d-byte blocks ...",
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 */
time(&startTime);
/* Digest blocks */
MD5Init(&context);
for (i = 0; i < TEST_BLOCK_COUNT; i++)
MD5Update(&context, block, TEST_BLOCK_LEN);
p = MD5End(&context,buf);
/* Stop timer */
time(&endTime);
printf(" done\n");
printf("Digest = %s", p);
printf("\nTime = %ld seconds\n", (long) (endTime - startTime));
/* Be careful that endTime-startTime is not zero. (Bug fix from Ric
* Anderson, ric@Artisoft.COM.) */
printf
("Speed = %ld bytes/second\n",
(long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT / ((endTime - startTime) != 0 ? (long)(endTime - startTime) : 1));
}
/*
* Digests a reference suite of strings and prints the results.
*/
static void
MDTestSuite(void)
{
printf("MD5 test suite:\n");
MDString("");
MDString("a");
MDString("abc");
MDString("message digest");
MDString("abcdefghijklmnopqrstuvwxyz");
MDString
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
MDString
("1234567890123456789012345678901234567890\
1234567890123456789012345678901234567890");
}
/*
* Digests the standard input and prints the result.
*/
static void
MDFilter(int tee)
{
MD5_CTX context;
unsigned int len;
unsigned char buffer[BUFSIZ];
char buf[33];
MD5Init(&context);
while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
if (tee && len != fwrite(buffer, 1, len, stdout))
err(1, "stdout");
MD5Update(&context, buffer, len);
}
printf("%s\n", MD5End(&context,buf));
}
static void
usage(void)
{
fprintf(stderr, "usage: md5 [-pqrtx] [-s string] [files ...]\n");
exit(1);
}
|
