test/crypt/crypt.c

   1
   2 /*
   3  * This crypt(3) validation program shipped with UFC-crypt
   4  * is derived from one distributed with Phil Karns PD DES package.
   5  *
   6  * @(#)cert.c   1.8 11 Aug 1996
   7  */
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include "crypt.h"
  12
  13 static int totfails = 0;
  14
  15 static void good_bye (void) __attribute__ ((noreturn));
  16 static void good_bye (void)
  17 {
  18   if(totfails == 0) {
  19     printf("Passed DES validation suite\n");
  20     exit(0);
  21   } else {
  22     printf("%d failures during DES validation suite!!!\n", totfails);
  23     exit(1);
  24   }
  25 }
  26
  27 static void get8(char *cp)
  28 {
  29         int i,j,t;
  30
  31         for(i=0;i<8;i++){
  32                 scanf("%2x",&t);
  33                 if(feof(stdin))
  34                   good_bye();
  35                 for(j=0; j<8 ; j++) {
  36                   *cp++ = (t & (0x01 << (7-j))) != 0;
  37                 }
  38         }
  39 }
  40
  41 static void put8(char *cp)
  42 {
  43         int i,j,t;
  44
  45         for(i=0;i<8;i++){
  46           t = 0;
  47           for(j = 0; j<8; j++)
  48             t = (t<<1) | *cp++;
  49           printf("%02x", t);
  50         }
  51 }
  52
  53 int main(void)
  54 {
  55         char key[64],plain[64],cipher[64],answer[64];
  56         int i;
  57         int test;
  58         int fail;
  59
  60         for(test=0;!feof(stdin);test++){
  61
  62                 get8(key);
  63                 printf(" K: "); put8(key);
  64                 setkey(key);
  65
  66                 get8(plain);
  67                 printf(" P: "); put8(plain);
  68
  69                 get8(answer);
  70                 printf(" C: "); put8(answer);
  71
  72                 for(i=0;i<64;i++)
  73                         cipher[i] = plain[i];
  74                 encrypt(cipher, 0);
  75
  76                 for(i=0;i<64;i++) {
  77                         if(cipher[i] != answer[i])
  78                                 break;
  79                 }
  80                 fail = 0;
  81                 if(i != 64){
  82                         printf(" Encrypt FAIL");
  83                         fail++; totfails++;
  84                 }
  85
  86                 encrypt(cipher, 1);
  87
  88                 for(i=0;i<64;i++)
  89                         if(cipher[i] != plain[i])
  90                                 break;
  91                 if(i != 64){
  92                         printf(" Decrypt FAIL");
  93                         fail++; totfails++;
  94                 }
  95
  96                 if(fail == 0)
  97                         printf(" OK");
  98                 printf("\n");
  99         }
 100         good_bye();
 101 }
 102
 103