2 * Copyright 1988 by the Massachusetts Institute of Technology.
4 * For copying and distribution information, please see the file
7 * Program to test the correctness of the DES library
10 * exit returns 0 ==> success
14 #include <mit-cpyright.h>
18 #include <afs/param.h>
19 #include <afsconfig.h>
24 extern char *errmsg();
25 extern int des_string_to_key();
26 extern int des_key_sched();
27 extern int des_ecb_encrypt();
28 extern int des_cbc_encrypt();
38 unsigned char cipher_text[64];
39 unsigned char clear_text[64] = "Now is the time for all " ;
40 unsigned char clear_text2[64] = "7654321 Now is the time for ";
41 unsigned char clear_text3[64] = {2,0,0,0, 1,0,0,0};
42 unsigned char output[64];
43 unsigned char zero_text[8] = {0x0,0,0,0,0,0,0,0};
44 unsigned char msb_text[8] = {0x0,0,0,0, 0,0,0,0x40}; /* to ANSI MSB */
47 /* 0x0123456789abcdef */
48 unsigned char default_key[8] = {
49 0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef
51 unsigned char key2[8] = { 0x08,0x19,0x2a,0x3b,0x4c,0x5d,0x6e,0x7f };
52 unsigned char key3[8] = { 0x80,1,1,1,1,1,1,1 };
54 unsigned char default_ivec[8] = {
55 0x12,0x34,0x56,0x78,0x90,0xab,0xcd,0xef
58 unsigned char zero_key[8] = {1,1,1,1,1,1,1,1}; /* just parity bits */
63 * plaintext = 0, key = 0, cipher = 0x8ca64de9c1b123a7 (or is it a 1?)
70 /* Local Declarations */
73 progname=argv[0]; /* salt away invoking program */
75 /* Assume a long is four bytes */
76 if (sizeof(long) != 4) {
77 printf("\nERROR, size of long is %d",sizeof(long));
81 while (--argc > 0 && (*++argv)[0] == '-')
82 for (i=1; argv[0][i] != '\0'; i++) {
99 printf("%s: illegal flag \"%c\" ",
100 progname,argv[0][i]);
106 fprintf(stderr, "Usage: %s [-dmz]\n", progname);
110 /* use known input and key */
112 /* ECB zero text zero key */
115 des_key_sched(zero_key,KS);
116 printf("plaintext = key = 0, cipher = 0x8ca64de9c1b123a7\n");
117 do_encrypt(input,cipher_text);
118 printf("\tcipher = (low to high bytes)\n\t\t");
119 for (j = 0; j<=7; j++)
120 printf("%02x ",cipher_text[j]);
122 do_decrypt(output,cipher_text);
128 des_key_sched(key3,KS);
129 printf("plaintext = 0x00 00 00 00 00 00 00 40, ");
130 printf("key = 0, cipher = 0x??\n");
131 do_encrypt(input,cipher_text);
132 printf("\tcipher = (low to high bytes)\n\t\t");
133 for (j = 0; j<=7; j++) {
134 printf("%02x ",cipher_text[j]);
137 do_decrypt(output,cipher_text);
141 /* ECB mode Davies and Price */
144 des_key_sched(key2,KS);
145 printf("Examples per FIPS publication 81, keys ivs and cipher\n");
146 printf("in hex. These are the correct answers, see below for\n");
147 printf("the actual answers.\n\n");
148 printf("Examples per Davies and Price.\n\n");
149 printf("EXAMPLE ECB\tkey = 08192a3b4c5d6e7f\n");
150 printf("\tclear = 0\n");
151 printf("\tcipher = 25 dd ac 3e 96 17 64 67\n");
152 printf("ACTUAL ECB\n");
153 printf("\tclear \"%s\"\n", input);
154 do_encrypt(input,cipher_text);
155 printf("\tcipher = (low to high bytes)\n\t\t");
156 for (j = 0; j<=7; j++)
157 printf("%02x ",cipher_text[j]);
159 do_decrypt(output,cipher_text);
164 des_key_sched(default_key,KS);
167 printf("EXAMPLE ECB\tkey = 0123456789abcdef\n");
168 printf("\tclear = \"Now is the time for all \"\n");
169 printf("\tcipher = 3f a4 0e 8a 98 4d 48 15 ...\n");
170 printf("ACTUAL ECB\n\tclear \"%s\"",input);
171 do_encrypt(input,cipher_text);
172 printf("\n\tcipher = (low to high bytes)\n\t\t");
173 for (j = 0; j<=7; j++) {
174 printf("%02x ",cipher_text[j]);
177 do_decrypt(output,cipher_text);
181 printf("EXAMPLE CBC\tkey = 0123456789abcdef");
182 printf("\tiv = 1234567890abcdef\n");
183 printf("\tclear = \"Now is the time for all \"\n");
184 printf("\tcipher =\te5 c7 cd de 87 2b f2 7c\n");
185 printf("\t\t\t43 e9 34 00 8c 38 9c 0f\n");
186 printf("\t\t\t68 37 88 49 9a 7c 05 f6\n");
188 printf("ACTUAL CBC\n\tclear \"%s\"\n",input);
189 in_length = strlen(input);
190 des_cbc_encrypt(input,cipher_text,(long) in_length,KS,ivec,1);
191 printf("\tciphertext = (low to high bytes)\n");
192 for (i = 0; i <= 7; i++) {
194 for (j = 0; j <= 7; j++) {
195 printf("%02x ",cipher_text[i*8+j]);
199 des_cbc_encrypt(cipher_text,clear_text,(long) in_length,KS,ivec,0);
200 printf("\tdecrypted clear_text = \"%s\"\n",clear_text);
202 printf("EXAMPLE CBC checksum");
203 printf("\tkey = 0123456789abcdef\tiv = 1234567890abcdef\n");
204 printf("\tclear =\t\t\"7654321 Now is the time for \"\n");
205 printf("\tchecksum\t58 d2 e7 7e 86 06 27 33, ");
206 printf("or some part thereof\n");
208 des_cbc_cksum(input,cipher_text,(long) strlen(input),KS,ivec,1);
209 printf("ACTUAL CBC checksum\n");
210 printf("\t\tencrypted cksum = (low to high bytes)\n\t\t");
211 for (j = 0; j<=7; j++)
212 printf("%02x ",cipher_text[j]);
219 register old,new,i,j;
220 /* flips the bit order within each byte from 0 lsb to 0 msb */
221 for (i = 0; i<=7; i++) {
224 for (j = 0; j<=7; j++) {
241 for (i =1; i<=nflag; i++) {
242 des_ecb_encrypt(in,out,KS,1);
244 printf("\nclear %s\n",in);
245 for (j = 0; j<=7; j++)
246 printf("%02 X ",in[j] & 0xff);
248 for (j = 0; j<=7; j++)
249 printf("%02X ",out[j] & 0xff);
257 /* try to invert it */
259 for (i =1; i<=nflag; i++) {
260 des_ecb_encrypt(out,in,KS,0);
262 printf("clear %s\n",in);
263 for (j = 0; j<=7; j++)
264 printf("%02X ",in[j] & 0xff);
266 for (j = 0; j<=7; j++)
267 printf("%02X ",out[j] & 0xff);