Newer
Older
/*
* des - fast & portable DES encryption & decryption.
* Copyright (C) 1992 Dana L. How
* Please see the file `README' for the complete copyright notice.
*
* Exercise the DES routines and collect performance statistics.
*/
#ifndef lint
#include <stdio.h>
/* define now(w) to be the elapsed time in hundredths of a second */
#ifndef __NT__
#include <sys/time.h>
#include <sys/resource.h>
extern getrusage();
static struct rusage usage;
#define now(w) ( \
(void)getrusage(RUSAGE_SELF, &usage), \
usage.ru_utime.tv_sec * 100 + \
usage.ru_utime.tv_usec / 10000 \
)
#else
#include <windows.h>
#define now(w) 0
#endif
/* test data
* the tests (key0-3, text0-3) are cribbed from code which is (c) 1988 MIT
*/
UINT8 keyt[8] = {0x5d, 0x85, 0x91, 0x73, 0xcb, 0x49, 0xdf, 0x2f};
UINT8 key0[8] = {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x80};
UINT8 key1[8] = {0x80, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01};
UINT8 key2[8] = {0x08, 0x19, 0x2a, 0x3b, 0x4c, 0x5d, 0x6e, 0x7f};
UINT8 key3[8] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef};
UINT8 textt[8] = {0x67, 0x1f, 0xc8, 0x93, 0x46, 0x5e, 0xab, 0x1e};
UINT8 text0[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
UINT8 text1[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40};
UINT8 text2[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
UINT8 text3[8] = {'N', 'o', 'w', ' ', 'i', 's', ' ', 't' };
/* noisy interfaces to the routines under test */
static void
method(key)
{
int j;
(void)printf("\nkey:\t");
for ( j = 0; j < 8; j++ )
(void)printf("%02X ", key[j]);
if ( des_key_sched(key, keys) )
(void)printf("W");
(void)printf("\t");
}
static void
encode(src, dst)
{
int j;
(void)printf("clear:\t");
for (j = 0; j < 8; j++)
(void)printf("%02X ", src[j]);
(void)des_ecb_encrypt(src, dst, keys, 1);
(void)printf("\tcipher:\t");
for (j = 0; j < 8; j++)
(void)printf("%02X ", dst[j]);
(void)printf("\n");
}
static void
decode(src, dst, check)
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
{
int j;
(void)printf("cipher:\t");
for (j = 0; j < 8; j++)
(void)printf("%02X ", src[j]);
(void)des_ecb_encrypt(src, dst, keys, 0);
(void)printf("\tclear:\t");
for (j = 0; j < 8; j++)
(void)printf("%02X ", dst[j]);
if(!memcmp(dst,check,8))
printf("Ok\n");
else
printf("FAIL\n");
}
/* run the tests */
int
main()
{
int j, m, e, n;
void (*f)();
static char * expect[] = {
"57 99 F7 2A D2 3F AE 4C", "9C C6 2D F4 3B 6E ED 74",
"90 E6 96 A2 AD 56 50 0D", "A3 80 E0 2A 6B E5 46 96",
"43 5C FF C5 68 B3 70 1D", "25 DD AC 3E 96 17 64 67",
"80 B5 07 E1 E6 A7 47 3D", "3F A4 0E 8A 98 4D 48 15",
};
static void (*funcs[])() = {
DesQuickCoreEncrypt, DesQuickFipsEncrypt,
DesSmallCoreEncrypt, DesSmallFipsEncrypt,
DesQuickCoreDecrypt, DesQuickFipsDecrypt,
DesSmallCoreDecrypt, DesSmallFipsDecrypt };
static char * names[] = {
"QuickCore", "QuickFips",
"SmallCore", "SmallFips" };
n = 0;
DesQuickInit();
/* do timing info first */
f = (void (*)())DesMethod;
j = 10000;
m = now(0);
do
(*f)(keys, keyt);
while ( --j );
m = now(1) - m;
do {
DesCryptFuncs[0] = funcs[n+4];
f = DesCryptFuncs[1] = funcs[n ];
j = 100000;
e = now(0);
do
(*f)(cipher, keys, textt);
while ( --j );
e = now(1) - e;
(void)printf( "%s: setkey,%5duS; encode,%3d.%1duS.\n",
names[n], m, e/10, e%10);
/* now check functionality */
method(key0);
(void)printf("cipher?\t%s\n", expect[(n % 2) + 0]);
encode(text0, cipher);
decode(cipher, output, text0);
method(key1);
(void)printf("cipher?\t%s\n", expect[(n % 2) + 2]);
encode(text1, cipher);
decode(cipher, output, text1);
method(key2);
(void)printf("cipher?\t%s\n", expect[(n % 2) + 4]);
encode(text2, cipher);
decode(cipher, output, text2);
method(key3);
(void)printf("cipher?\t%s\n", expect[(n % 2) + 6]);
encode(text3, cipher);
decode(cipher, output, text3);
(void)printf("%c", "\n\f\n\0"[n]);
} while ( ++n < 4 );
DesQuickDone();
fflush(stdout);
return 0;
}