deps/crypto/des_test.c

   1 /*********************************************************************
   2 * Filename:   des_test.c
   3 * Author:     Brad Conte (brad AT bradconte.com)
   4 * Copyright:
   5 * Disclaimer: This code is presented "as is" without any guarantees.
   6 * Details:    Performs known-answer tests on the corresponding DES
   7                   implementation. These tests do not encompass the full
   8                   range of available test vectors, however, if the tests
   9                   pass it is very, very likely that the code is correct
  10                   and was compiled properly. This code also serves as
  11                   example usage of the functions.
  12 *********************************************************************/
  13
  14 /*************************** HEADER FILES ***************************/
  15 #include <stdio.h>
  16 #include <memory.h>
  17 #include "des.h"
  18
  19 /*********************** FUNCTION DEFINITIONS ***********************/
  20 int des_test()
  21 {
  22         BYTE pt1[DES_BLOCK_SIZE] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xE7};
  23         BYTE pt2[DES_BLOCK_SIZE] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
  24         BYTE pt3[DES_BLOCK_SIZE] = {0x54,0x68,0x65,0x20,0x71,0x75,0x66,0x63};
  25         BYTE ct1[DES_BLOCK_SIZE] = {0xc9,0x57,0x44,0x25,0x6a,0x5e,0xd3,0x1d};
  26         BYTE ct2[DES_BLOCK_SIZE] = {0x85,0xe8,0x13,0x54,0x0f,0x0a,0xb4,0x05};
  27         BYTE ct3[DES_BLOCK_SIZE] = {0xc9,0x57,0x44,0x25,0x6a,0x5e,0xd3,0x1d};
  28         BYTE ct4[DES_BLOCK_SIZE] = {0xA8,0x26,0xFD,0x8C,0xE5,0x3B,0x85,0x5F};
  29         BYTE key1[DES_BLOCK_SIZE] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
  30         BYTE key2[DES_BLOCK_SIZE] = {0x13,0x34,0x57,0x79,0x9B,0xBC,0xDF,0xF1};
  31         BYTE three_key1[DES_BLOCK_SIZE * 3] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF,
  32                                                0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF,
  33                                                0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
  34         BYTE three_key2[DES_BLOCK_SIZE * 3] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF,
  35                                                0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF,0x01,
  36                                                0x45,0x67,0x89,0xAB,0xCD,0xEF,0x01,0x23};
  37
  38         BYTE schedule[16][6];
  39         BYTE three_schedule[3][16][6];
  40         BYTE buf[DES_BLOCK_SIZE];
  41         int pass = 1;
  42
  43         des_key_setup(key1, schedule, DES_ENCRYPT);
  44         des_crypt(pt1, buf, schedule);
  45         pass = pass && !memcmp(ct1, buf, DES_BLOCK_SIZE);
  46
  47         des_key_setup(key1, schedule, DES_DECRYPT);
  48         des_crypt(ct1, buf, schedule);
  49         pass = pass && !memcmp(pt1, buf, DES_BLOCK_SIZE);
  50
  51         des_key_setup(key2, schedule, DES_ENCRYPT);
  52         des_crypt(pt2, buf, schedule);
  53         pass = pass && !memcmp(ct2, buf, DES_BLOCK_SIZE);
  54
  55         des_key_setup(key2, schedule, DES_DECRYPT);
  56         des_crypt(ct2, buf, schedule);
  57         pass = pass && !memcmp(pt2, buf, DES_BLOCK_SIZE);
  58
  59         three_des_key_setup(three_key1, three_schedule, DES_ENCRYPT);
  60         three_des_crypt(pt1, buf, three_schedule);
  61         pass = pass && !memcmp(ct3, buf, DES_BLOCK_SIZE);
  62
  63         three_des_key_setup(three_key1, three_schedule, DES_DECRYPT);
  64         three_des_crypt(ct3, buf, three_schedule);
  65         pass = pass && !memcmp(pt1, buf, DES_BLOCK_SIZE);
  66
  67         three_des_key_setup(three_key2, three_schedule, DES_ENCRYPT);
  68         three_des_crypt(pt3, buf, three_schedule);
  69         pass = pass && !memcmp(ct4, buf, DES_BLOCK_SIZE);
  70
  71         three_des_key_setup(three_key2, three_schedule, DES_DECRYPT);
  72         three_des_crypt(ct4, buf, three_schedule);
  73         pass = pass && !memcmp(pt3, buf, DES_BLOCK_SIZE);
  74
  75         return(pass);
  76 }
  77
  78 int main()
  79 {
  80         printf("DES test: %s\n", des_test() ? "SUCCEEDED" : "FAILED");
  81
  82         return(0);
  83 }