/*
- * $Source$
- * $Author$
+ * lib/des425/verify.c
*
* Copyright 1988,1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
- * For copying and distribution information, please see the file
- * <krb5/copyright.h>.
+ * Export of this software from the United States of America may
+ * require a specific license from the United States Government.
+ * It is the responsibility of any person or organization contemplating
+ * export to obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission. Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is" without express
+ * or implied warranty.
+ *
*
* Program to test the correctness of the DES library
* implementation.
* -1 ==> error
*/
-#ifndef lint
-static char rcsid_verify_c[] =
-"$Id$";
-#endif lint
#include <stdio.h>
#include <errno.h>
-#include "./des.h"
+#include "des_int.h"
+#include "des.h"
-extern char *errmsg();
-extern int errno;
-extern int des_string_to_key();
-extern int des_key_sched();
-extern int des_ecb_encrypt();
-extern int des_cbc_encrypt();
-extern exit();
char *progname;
int nflag = 2;
int vflag;
unsigned char zero_key[8] = {1,1,1,1,1,1,1,1}; /* just parity bits */
int i,j;
+unsigned char cipher1[8] = {
+ 0x25,0xdd,0xac,0x3e,0x96,0x17,0x64,0x67
+};
+unsigned char cipher2[8] = {
+ 0x3f,0xa4,0x0e,0x8a,0x98,0x4d,0x48,0x15
+};
+unsigned char cipher3[64] = {
+ 0xe5,0xc7,0xcd,0xde,0x87,0x2b,0xf2,0x7c,
+ 0x43,0xe9,0x34,0x00,0x8c,0x38,0x9c,0x0f,
+ 0x68,0x37,0x88,0x49,0x9a,0x7c,0x05,0xf6
+};
+unsigned char checksum[8] = {
+ 0x58,0xd2,0xe7,0x7e,0x86,0x06,0x27,0x33
+};
+
+unsigned char zresult[8] = {
+ 0x8c, 0xa6, 0x4d, 0xe9, 0xc1, 0xb1, 0x23, 0xa7
+};
+
+unsigned char mresult[8] = {
+ 0xa3, 0x80, 0xe0, 0x2a, 0x6b, 0xe5, 0x46, 0x96
+};
+
+
/*
* Can also add :
* plaintext = 0, key = 0, cipher = 0x8ca64de9c1b123a7 (or is it a 1?)
*/
+void do_encrypt (unsigned char *, unsigned char *);
+void do_decrypt (unsigned char *, unsigned char *);
+
+int
main(argc,argv)
int argc;
char *argv[];
{
/* Local Declarations */
- long in_length;
+ unsigned long in_length;
progname=argv[0]; /* salt away invoking program */
- /* Assume a long is four bytes */
- if (sizeof(long) != 4) {
- printf("\nERROR, size of long is %d",sizeof(long));
- exit(-1);
- }
-
while (--argc > 0 && (*++argv)[0] == '-')
for (i=1; argv[0][i] != '\0'; i++) {
switch (argv[0][i]) {
printf("%02x ",cipher_text[j]);
printf("\n");
do_decrypt(output,cipher_text);
- return(0);
+ if ( memcmp((char *)cipher_text, (char *)zresult, 8) ) {
+ printf("verify: error in zero key test\n");
+ exit(-1);
+ }
+ exit(0);
}
if (mflag) {
}
printf("\n");
do_decrypt(output,cipher_text);
- return(0);
+ if ( memcmp((char *)cipher_text, (char *)mresult, 8) ) {
+ printf("verify: error in msb test\n");
+ exit(-1);
+ }
+ exit(0);
}
/* ECB mode Davies and Price */
printf("%02x ",cipher_text[j]);
printf("\n\n");
do_decrypt(output,cipher_text);
+ if ( memcmp((char *)cipher_text, (char *)cipher1, 8) ) {
+ printf("verify: error in ECB encryption\n");
+ exit(-1);
+ }
+ else
+ printf("verify: ECB encription is correct\n\n");
}
/* ECB mode */
}
printf("\n\n");
do_decrypt(output,cipher_text);
+ if ( memcmp((char *)cipher_text, (char *)cipher2, 8) ) {
+ printf("verify: error in ECB encryption\n");
+ exit(-1);
+ }
+ else
+ printf("verify: ECB encription is correct\n\n");
}
/* CBC mode */
printf("\t\t\t68 37 88 49 9a 7c 05 f6\n");
printf("ACTUAL CBC\n\tclear \"%s\"\n",input);
- in_length = strlen(input);
- des_cbc_encrypt(input,cipher_text,(long) in_length,KS,ivec,1);
+ in_length = strlen((char *) input);
+ des_cbc_encrypt(input,cipher_text, in_length,KS,ivec,1);
printf("\tciphertext = (low to high bytes)\n");
for (i = 0; i <= 7; i++) {
printf("\t\t");
}
printf("\n");
}
- des_cbc_encrypt(cipher_text,clear_text,(long) in_length,KS,ivec,0);
+ des_cbc_encrypt(cipher_text,clear_text,in_length,KS,ivec,0);
printf("\tdecrypted clear_text = \"%s\"\n",clear_text);
+ if ( memcmp(cipher_text, cipher3, (size_t) in_length) ) {
+ printf("verify: error in CBC encryption\n");
+ exit(-1);
+ }
+ else
+ printf("verify: CBC encription is correct\n\n");
+
printf("EXAMPLE CBC checksum");
printf("\tkey = 0123456789abcdef\tiv = 1234567890abcdef\n");
printf("\tclear =\t\t\"7654321 Now is the time for \"\n");
printf("\tchecksum\t58 d2 e7 7e 86 06 27 33, ");
printf("or some part thereof\n");
input = clear_text2;
- des_cbc_cksum(input,cipher_text,(long) strlen(input),KS,ivec,1);
+ des_cbc_cksum(input,cipher_text,(long) strlen((char *) input),KS,ivec);
printf("ACTUAL CBC checksum\n");
printf("\t\tencrypted cksum = (low to high bytes)\n\t\t");
for (j = 0; j<=7; j++)
printf("%02x ",cipher_text[j]);
printf("\n\n");
- exit(0);
-}
-
-flip(array)
- char *array;
-{
- register old,new,i,j;
- /* flips the bit order within each byte from 0 lsb to 0 msb */
- for (i = 0; i<=7; i++) {
- old = *array;
- new = 0;
- for (j = 0; j<=7; j++) {
- if (old & 01)
- new = new | 01;
- if (j < 7) {
- old = old >> 1;
- new = new << 1;
- }
- }
- *array = new;
- array++;
+ if ( memcmp((char *)cipher_text, (char *)checksum, 8) ) {
+ printf("verify: error in CBC cheksum\n");
+ exit(-1);
}
+ else
+ printf("verify: CBC checksum is correct\n\n");
+ exit(0);
}
+void
do_encrypt(in,out)
- char *in;
- char *out;
+ unsigned char *in;
+ unsigned char *out;
{
for (i =1; i<=nflag; i++) {
- des_ecb_encrypt(in,out,KS,1);
+ des_ecb_encrypt((unsigned long *) in, (unsigned long *)out, KS, 1);
if (des_debug) {
printf("\nclear %s\n",in);
for (j = 0; j<=7; j++)
- printf("%02 X ",in[j] & 0xff);
+ printf("%02X ",in[j] & 0xff);
printf("\tcipher ");
for (j = 0; j<=7; j++)
printf("%02X ",out[j] & 0xff);
}
}
+void
do_decrypt(in,out)
- char *out;
- char *in;
+ unsigned char *out;
+ unsigned char *in;
/* try to invert it */
{
for (i =1; i<=nflag; i++) {
- des_ecb_encrypt(out,in,KS,0);
+ des_ecb_encrypt((unsigned long *) out, (unsigned long *)in,KS,0);
if (des_debug) {
printf("clear %s\n",in);
for (j = 0; j<=7; j++)
projects / krb5.git / blobdiff