text: /*
  * Copyright (c) 2003-2022 Rony Shapiro <ronys@pwsafe.org>.
  * All rights reserved. Use of the code is allowed under the
  * Artistic License 2.0 terms, as specified in the LICENSE file
  * distributed with this code, or available from
  * http://www.opensource.org/licenses/artistic-license-2.0.php
  */
  // HMAC_SHA256Test.cpp: Unit test for HMAC implementation with SHA256
  // Test vectors from RFC4231
  
  #ifdef WIN32
  #include "../ui/Windows/stdafx.h"
  #endif
  
  #include "core/crypto/hmac.h"
  #include "core/crypto/sha256.h"
  #include "gtest/gtest.h"
  
  TEST(HMAC_SHA256Test, hmac_sha256_test)
  {
    static const unsigned char key1[] =
      {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
       0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b};
    static const unsigned char data1[] = 
      {0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65};
    static const unsigned char key2[] =
      {0x4a, 0x65, 0x66, 0x65}; //                          ("Jefe")
    static const unsigned char data2[] =
      {0x77, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20, 
       0x79, 0x61, 0x20, 0x77, 0x61, 0x6e, 0x74, 0x20, //  ("what do ya want ")
       0x66, 0x6f, 0x72, 0x20, 0x6e, 0x6f, 0x74, 0x68,
       0x69, 0x6e, 0x67, 0x3f}; //          ("for nothing?")
    static const unsigned char key3[] =
      {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa,}; //                          (20 bytes)
    static const unsigned char data3[] =
      {0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
       0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 
       0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 
       0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 
       0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 
       0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 
       0xdd, 0xdd,}; //                          (50 bytes)
  
    static const unsigned char key4[] =
      {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
       0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 
       0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
       0x19,}; //                 (25 bytes)
    static const unsigned char data4[] =
      {0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
       0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 
       0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
       0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 
       0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
       0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 
       0xcd, 0xcd, }; //                              (50 bytes)
  
    static const unsigned char key5[] =
      { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
        0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
        0xaa, 0xaa, 0xaa,}; //                          (131 bytes)
    static const unsigned char data5[] =
      {0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x73, 0x69,
       0x6e, 0x67, 0x20, 0x4c, 0x61, 0x72, 0x67, 0x65, //  ("Test Using Large")
       0x72, 0x20, 0x54, 0x68, 0x61, 0x6e, 0x20, 0x42,
       0x6c, 0x6f, 0x63, 0x6b, 0x2d, 0x53, 0x69, 0x7a, //  ("r Than Block-Siz")
       0x65, 0x20, 0x4b, 0x65, 0x79, 0x20, 0x2d, 0x20,
       0x48, 0x61, 0x73, 0x68, 0x20, 0x4b, 0x65, 0x79, //  ("e Key - Hash Key")
       0x20, 0x46, 0x69, 0x72, 0x73, 0x74, };//            (" First")
  
    static const unsigned char key6[] =
      {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
       0xaa, 0xaa, 0xaa, }; //                            (131 bytes)
    static const unsigned char data6[] =
      {0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20,
       0x61, 0x20, 0x74, 0x65, 0x73, 0x74, 0x20, 0x75, //  ("This is a test u")
       0x73, 0x69, 0x6e, 0x67, 0x20, 0x61, 0x20, 0x6c,
       0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74, 0x68, //  ("sing a larger th")
       0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63, 0x6b,
       0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6b, 0x65, //  ("an block-size ke")
       0x79, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x61, 0x20,
       0x6c, 0x61, 0x72, 0x67, 0x65, 0x72, 0x20, 0x74, //  ("y and a larger t")
       0x68, 0x61, 0x6e, 0x20, 0x62, 0x6c, 0x6f, 0x63,
       0x6b, 0x2d, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x64, //  ("han block-size d")
       0x61, 0x74, 0x61, 0x2e, 0x20, 0x54, 0x68, 0x65,
       0x20, 0x6b, 0x65, 0x79, 0x20, 0x6e, 0x65, 0x65, //  ("ata. The key nee")
       0x64, 0x73, 0x20, 0x74, 0x6f, 0x20, 0x62, 0x65,
       0x20, 0x68, 0x61, 0x73, 0x68, 0x65, 0x64, 0x20, //  ("ds to be hashed ")
       0x62, 0x65, 0x66, 0x6f, 0x72, 0x65, 0x20, 0x62,
       0x65, 0x69, 0x6e, 0x67, 0x20, 0x75, 0x73, 0x65, //  ("before being use")
       0x64, 0x20, 0x62, 0x79, 0x20, 0x74, 0x68, 0x65,
       0x20, 0x48, 0x4d, 0x41, 0x43, 0x20, 0x61, 0x6c, //  ("d by the HMAC al")
       0x67, 0x6f, 0x72, 0x69, 0x74, 0x68, 0x6d, 0x2e, }; // ("gorithm.")
  
    static const struct {
      unsigned char *key;
      unsigned long keylen;
      unsigned char *data;
      unsigned long datalen;
      unsigned char hash[32];
    } tests[] = {
      { (unsigned char *)key1, 20,
        (unsigned char *)data1, 8,
        {0xb0, 0x34, 0x4c, 0x61, 0xd8, 0xdb, 0x38, 0x53,
         0x5c, 0xa8, 0xaf, 0xce, 0xaf, 0x0b, 0xf1, 0x2b,
         0x88, 0x1d, 0xc2, 0x00, 0xc9, 0x83, 0x3d, 0xa7,
         0x26, 0xe9, 0x37, 0x6c, 0x2e, 0x32, 0xcf, 0xf7, }
      },
      { (unsigned char *)key2, sizeof(key2),
        (unsigned char *)data2, sizeof(data2),
        {0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e,
         0x6a, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xc7, 
         0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27, 0x39, 0x83,
         0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43, }
      },
      { (unsigned char *)key3, 20,
        (unsigned char *)data3, 50,
        {0x77, 0x3e, 0xa9, 0x1e, 0x36, 0x80, 0x0e, 0x46, 
         0x85, 0x4d, 0xb8, 0xeb, 0xd0, 0x91, 0x81, 0xa7, 
         0x29, 0x59, 0x09, 0x8b, 0x3e, 0xf8, 0xc1, 0x22,
         0xd9, 0x63, 0x55, 0x14, 0xce, 0xd5, 0x65, 0xfe, }
      },
      { (unsigned char *)key4, 25,
        (unsigned char *)data4, 50,
        {0x82, 0x55, 0x8a, 0x38, 0x9a, 0x44, 0x3c, 0x0e,
         0xa4, 0xcc, 0x81, 0x98, 0x99, 0xf2, 0x08, 0x3a, 
         0x85, 0xf0, 0xfa, 0xa3, 0xe5, 0x78, 0xf8, 0x07,
         0x7a, 0x2e, 0x3f, 0xf4, 0x67, 0x29, 0x66, 0x5b, }
      },
      { (unsigned char *)key5, 131,
        (unsigned char *)data5, sizeof(data5),
        {0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f,
         0x0d, 0x8a, 0x26, 0xaa, 0xcb, 0xf5, 0xb7, 0x7f, 
         0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14,
         0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54, }
      },
      { (unsigned char *)key6, 131,
        (unsigned char *)data6, sizeof(data6),
        {0x9b, 0x09, 0xff, 0xa7, 0x1b, 0x94, 0x2f, 0xcb,
         0x27, 0x63, 0x5f, 0xbc, 0xd5, 0xb0, 0xe9, 0x44, 
         0xbf, 0xdc, 0x63, 0x64, 0x4f, 0x07, 0x13, 0x93,
         0x8a, 0x7f, 0x51, 0x53, 0x5c, 0x3a, 0x35, 0xe2, }
      }
    };
  
    size_t i;
    unsigned char tmp[32];
    for (i = 0; i < (sizeof(tests) / sizeof(tests[0])); i++) {
      HMAC<SHA256, SHA256::HASHLEN, SHA256::BLOCKSIZE> md(tests[i].key, tests[i].keylen);
      md.Update(tests[i].data, tests[i].datalen);
      md.Final(tmp);
      EXPECT_TRUE(memcmp(tmp, tests[i].hash, 32) == 0) << "Test vector " << i;
    }
  }
  