net/http/des_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <string.h>
   6
   7 #include "net/http/des.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 namespace net {
  11
  12 // This test vector comes from the NSS FIPS power-up self-test.
  13 TEST(DESTest, KnownAnswerTest1) {
  14   // DES known key (56-bits).
  15   static const uint8 des_known_key[] = "ANSI DES";
  16
  17   // DES known plaintext (64-bits).
  18   static const uint8 des_ecb_known_plaintext[] = "Netscape";
  19
  20   // DES known ciphertext (64-bits).
  21   static const uint8 des_ecb_known_ciphertext[] = {
  22     0x26, 0x14, 0xe9, 0xc3, 0x28, 0x80, 0x50, 0xb0
  23   };
  24
  25   uint8 ciphertext[8];
  26   memset(ciphertext, 0xaf, sizeof(ciphertext));
  27
  28   DESEncrypt(des_known_key, des_ecb_known_plaintext, ciphertext);
  29   EXPECT_EQ(0, memcmp(ciphertext, des_ecb_known_ciphertext, 8));
  30 }
  31
  32 // This test vector comes from NIST Special Publication 800-17, Modes of
  33 // Operation Validation System (MOVS): Requirements and Procedures, Appendix
  34 // A, page 124.
  35 TEST(DESTest, KnownAnswerTest2) {
  36   static const uint8 key[] = {
  37     0x10, 0x31, 0x6e, 0x02, 0x8c, 0x8f, 0x3b, 0x4a
  38   };
  39   static const uint8 plaintext[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
  40   static const uint8 known_ciphertext[] = {
  41     0x82, 0xdc, 0xba, 0xfb, 0xde, 0xab, 0x66, 0x02
  42   };
  43   uint8 ciphertext[8];
  44   memset(ciphertext, 0xaf, sizeof(ciphertext));
  45
  46   DESEncrypt(key, plaintext, ciphertext);
  47   EXPECT_EQ(0, memcmp(ciphertext, known_ciphertext, 8));
  48 }
  49
  50 }  // namespace net