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>
20 extern char *errmsg();
21 extern int des_string_to_key();
22 extern int des_key_sched();
23 extern int des_ecb_encrypt();
24 extern int des_cbc_encrypt();
34 unsigned char cipher_text[64];
35 unsigned char clear_text[64] = "Now is the time for all " ;
36 unsigned char clear_text2[64] = "7654321 Now is the time for ";
37 unsigned char clear_text3[64] = {2,0,0,0, 1,0,0,0};
38 unsigned char output[64];
39 unsigned char zero_text[8] = {0x0,0,0,0,0,0,0,0};
40 unsigned char msb_text[8] = {0x0,0,0,0, 0,0,0,0x40}; /* to ANSI MSB */
43 /* 0x0123456789abcdef */
44 unsigned char default_key[8] = {
45 0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef
47 unsigned char key2[8] = { 0x08,0x19,0x2a,0x3b,0x4c,0x5d,0x6e,0x7f };
48 unsigned char key3[8] = { 0x80,1,1,1,1,1,1,1 };
50 unsigned char default_ivec[8] = {
51 0x12,0x34,0x56,0x78,0x90,0xab,0xcd,0xef
54 unsigned char zero_key[8] = {1,1,1,1,1,1,1,1}; /* just parity bits */
59 * plaintext = 0, key = 0, cipher = 0x8ca64de9c1b123a7 (or is it a 1?)
66 /* Local Declarations */
69 progname=argv[0]; /* salt away invoking program */
71 /* Assume a long is four bytes */
72 if (sizeof(long) != 4) {
73 printf("\nERROR, size of long is %d",sizeof(long));
77 while (--argc > 0 && (*++argv)[0] == '-')
78 for (i=1; argv[0][i] != '\0'; i++) {
95 printf("%s: illegal flag \"%c\" ",
102 fprintf(stderr, "Usage: %s [-dmz]\n", progname);
106 /* use known input and key */
108 /* ECB zero text zero key */
111 des_key_sched(zero_key,KS);
112 printf("plaintext = key = 0, cipher = 0x8ca64de9c1b123a7\n");
113 do_encrypt(input,cipher_text);
114 printf("\tcipher = (low to high bytes)\n\t\t");
115 for (j = 0; j<=7; j++)
116 printf("%02x ",cipher_text[j]);
118 do_decrypt(output,cipher_text);
124 des_key_sched(key3,KS);
125 printf("plaintext = 0x00 00 00 00 00 00 00 40, ");
126 printf("key = 0, cipher = 0x??\n");
127 do_encrypt(input,cipher_text);
128 printf("\tcipher = (low to high bytes)\n\t\t");
129 for (j = 0; j<=7; j++) {
130 printf("%02x ",cipher_text[j]);
133 do_decrypt(output,cipher_text);
137 /* ECB mode Davies and Price */
140 des_key_sched(key2,KS);
141 printf("Examples per FIPS publication 81, keys ivs and cipher\n");
142 printf("in hex. These are the correct answers, see below for\n");
143 printf("the actual answers.\n\n");
144 printf("Examples per Davies and Price.\n\n");
145 printf("EXAMPLE ECB\tkey = 08192a3b4c5d6e7f\n");
146 printf("\tclear = 0\n");
147 printf("\tcipher = 25 dd ac 3e 96 17 64 67\n");
148 printf("ACTUAL ECB\n");
149 printf("\tclear \"%s\"\n", input);
150 do_encrypt(input,cipher_text);
151 printf("\tcipher = (low to high bytes)\n\t\t");
152 for (j = 0; j<=7; j++)
153 printf("%02x ",cipher_text[j]);
155 do_decrypt(output,cipher_text);
160 des_key_sched(default_key,KS);
163 printf("EXAMPLE ECB\tkey = 0123456789abcdef\n");
164 printf("\tclear = \"Now is the time for all \"\n");
165 printf("\tcipher = 3f a4 0e 8a 98 4d 48 15 ...\n");
166 printf("ACTUAL ECB\n\tclear \"%s\"",input);
167 do_encrypt(input,cipher_text);
168 printf("\n\tcipher = (low to high bytes)\n\t\t");
169 for (j = 0; j<=7; j++) {
170 printf("%02x ",cipher_text[j]);
173 do_decrypt(output,cipher_text);
177 printf("EXAMPLE CBC\tkey = 0123456789abcdef");
178 printf("\tiv = 1234567890abcdef\n");
179 printf("\tclear = \"Now is the time for all \"\n");
180 printf("\tcipher =\te5 c7 cd de 87 2b f2 7c\n");
181 printf("\t\t\t43 e9 34 00 8c 38 9c 0f\n");
182 printf("\t\t\t68 37 88 49 9a 7c 05 f6\n");
184 printf("ACTUAL CBC\n\tclear \"%s\"\n",input);
185 in_length = strlen(input);
186 des_cbc_encrypt(input,cipher_text,(long) in_length,KS,ivec,1);
187 printf("\tciphertext = (low to high bytes)\n");
188 for (i = 0; i <= 7; i++) {
190 for (j = 0; j <= 7; j++) {
191 printf("%02x ",cipher_text[i*8+j]);
195 des_cbc_encrypt(cipher_text,clear_text,(long) in_length,KS,ivec,0);
196 printf("\tdecrypted clear_text = \"%s\"\n",clear_text);
198 printf("EXAMPLE CBC checksum");
199 printf("\tkey = 0123456789abcdef\tiv = 1234567890abcdef\n");
200 printf("\tclear =\t\t\"7654321 Now is the time for \"\n");
201 printf("\tchecksum\t58 d2 e7 7e 86 06 27 33, ");
202 printf("or some part thereof\n");
204 des_cbc_cksum(input,cipher_text,(long) strlen(input),KS,ivec,1);
205 printf("ACTUAL CBC checksum\n");
206 printf("\t\tencrypted cksum = (low to high bytes)\n\t\t");
207 for (j = 0; j<=7; j++)
208 printf("%02x ",cipher_text[j]);
215 register old,new,i,j;
216 /* flips the bit order within each byte from 0 lsb to 0 msb */
217 for (i = 0; i<=7; i++) {
220 for (j = 0; j<=7; j++) {
237 for (i =1; i<=nflag; i++) {
238 des_ecb_encrypt(in,out,KS,1);
240 printf("\nclear %s\n",in);
241 for (j = 0; j<=7; j++)
242 printf("%02 X ",in[j] & 0xff);
244 for (j = 0; j<=7; j++)
245 printf("%02X ",out[j] & 0xff);
253 /* try to invert it */
255 for (i =1; i<=nflag; i++) {
256 des_ecb_encrypt(out,in,KS,0);
258 printf("clear %s\n",in);
259 for (j = 0; j<=7; j++)
260 printf("%02X ",in[j] & 0xff);
262 for (j = 0; j<=7; j++)
263 printf("%02X ",out[j] & 0xff);