text: /* LibTomCrypt, modular cryptographic library -- Tom St Denis
   *
   * LibTomCrypt is a library that provides various cryptographic
   * algorithms in a highly modular and flexible manner.
   *
   * The library is free for all purposes without any express
   * guarantee it works.
   *
   * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
   */
  #include "tomcrypt.h"
  
  /**
    @file hmac_test.c
    LTC_HMAC support, self-test, Tom St Denis/Dobes Vandermeer
  */
  
  #ifdef LTC_HMAC
  
  #define LTC_HMAC_BLOCKSIZE hash_descriptor[hash].blocksize
  
  /*
      TEST CASES SOURCE:
  
  Network Working Group                                          P. Cheng
  Request for Comments: 2202                                          IBM
  Category: Informational                                        R. Glenn
                                                                     NIST
                                                           September 1997
                   Test Cases for LTC_HMAC-LTC_MD5 and LTC_HMAC-LTC_SHA-1
  */
  
  /**
    LTC_HMAC self-test
    @return CRYPT_OK if successful, CRYPT_NOP if tests have been disabled.
  */
  int hmac_test(void)
  {
   #ifndef LTC_TEST
      return CRYPT_NOP;
   #else
      unsigned char digest[MAXBLOCKSIZE];
      int i;
  
      static const struct hmac_test_case {
          int num;
          char *algo;
          unsigned char key[128];
          unsigned long keylen;
          unsigned char data[128];
          unsigned long datalen;
          unsigned char digest[MAXBLOCKSIZE];
      } cases[] = {
          /*
          3. Test Cases for LTC_HMAC-LTC_SHA-1
  
          test_case =     1
          key =           0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c
          key_len =       20
          data =          "Hi Ther     20
          digest =        0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04
          digest-96 =     0x4c1a03424b55e07fe7f27be1
          */
          { 5, "sha1",
              {0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
               0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
               0x0c, 0x0c, 0x0c, 0x0c}, 20,
              "Test With Truncation", 20,
              {0x4c, 0x1a, 0x03, 0x42, 0x4b, 0x55, 0xe0, 0x7f, 0xe7, 0xf2,
               0x7b, 0xe1, 0xd5, 0x8b, 0xb9, 0x32, 0x4a, 0x9a, 0x5a, 0x04} },
  
          /*
          test_case =     6
          key =           0xaa repeated 80 times
          key_len =       80
          data =          "Test Using Larger Than Block-Size Key - Hash Key First"
          data_len =      54
          digest =        0xaa4ae5e15272d00e95705637ce8a3b55ed402112
          */
          { 6, "sha1",
              {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}, 80,
              "Test Using Larger Than Block-Size Key - Hash Key First", 54,
              {0xaa, 0x4a, 0xe5, 0xe1, 0x52, 0x72, 0xd0, 0x0e,
               0x95, 0x70, 0x56, 0x37, 0xce, 0x8a, 0x3b, 0x55,
               0xed, 0x40, 0x21, 0x12} },
  
          /*
          test_case =     7
          key =           0xaa repeated 80 times
          key_len =       80
          data =          "Test Using Larger Than Block-Size Key and Larger
                          Than One Block-Size Data"
          data_len =      73
          digest =        0xe8e99d0f45237d786d6bbaa7965c7808bbff1a91
          */
          { 7, "sha1",
              {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}, 80,
              "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data", 73,
              {0xe8, 0xe9, 0x9d, 0x0f, 0x45, 0x23, 0x7d, 0x78, 0x6d,
               0x6b, 0xba, 0xa7, 0x96, 0x5c, 0x78, 0x08, 0xbb, 0xff, 0x1a, 0x91} },
  
          /*
          2. Test Cases for LTC_HMAC-LTC_MD5
  
          test_case =     1
          key =           0x0b 0b 0b 0b
                            0b 0b 0b 0b
                            0b 0b 0b 0b
                            0b 0b 0b 0b
          key_len =       16
          data =          "Hi There"
          data_len =      8
          digest =        0x92 94 72 7a
                            36 38 bb 1c
                            13 f4 8e f8
                            15 8b fc 9d
          */
          { 1, "md5",
              {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
               0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 16,
              "Hi There", 8,
              {0x92, 0x94, 0x72, 0x7a, 0x36, 0x38, 0xbb, 0x1c,
               0x13, 0xf4, 0x8e, 0xf8, 0x15, 0x8b, 0xfc, 0x9d}  },
          /*
          test_case =     2
          key =           "Jefe"
          key_len =       4
          data =          "what do ya want for nothing?"
          data_len =      28
          digest =        0x750c783e6ab0b503eaa86e310a5db738
          */
          { 2, "md5",
              "Jefe", 4,
              "what do ya want for nothing?", 28,
              {0x75, 0x0c, 0x78, 0x3e, 0x6a, 0xb0, 0xb5, 0x03,
               0xea, 0xa8, 0x6e, 0x31, 0x0a, 0x5d, 0xb7, 0x38} },
  
          /*
          test_case =     3
          key =           0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
          key_len         16
          data =          0xdd repeated 50 times
          data_len =      50
          digest =        0x56be34521d144c88dbb8c733f0e8b3f6
          */
          { 3, "md5",
              {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
               0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}, 16,
              {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,
              {0x56, 0xbe, 0x34, 0x52, 0x1d, 0x14, 0x4c, 0x88,
               0xdb, 0xb8, 0xc7, 0x33, 0xf0, 0xe8, 0xb3, 0xf6} },
          /*
  
          test_case =     4
          key = 0x0102030405060708090a0b0c0d0e0f10111213141516171819
          key_len         25
          data =          0xcd repeated 50 times
          data_len =      50
          digest =        0x697eaf0aca3a3aea3a75164746ffaa79
          */
          { 4, "md5",
              {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,
              {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,
              {0x69, 0x7e, 0xaf, 0x0a, 0xca, 0x3a, 0x3a, 0xea,
               0x3a, 0x75, 0x16, 0x47, 0x46, 0xff, 0xaa, 0x79} },
  
  
          /*
  
          test_case =     5
          key =           0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c
          key_len =       16
          data =          "Test With Truncation"
          data_len =      20
          digest =        0x56461ef2342edc00f9bab995690efd4c
          digest-96       0x56461ef2342edc00f9bab995
          */
          { 5, "md5",
              {0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
               0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c}, 16,
              "Test With Truncation", 20,
              {0x56, 0x46, 0x1e, 0xf2, 0x34, 0x2e, 0xdc, 0x00,
               0xf9, 0xba, 0xb9, 0x95, 0x69, 0x0e, 0xfd, 0x4c} },
  
          /*
  
          test_case =     6
          key =           0xaa repeated 80 times
          key_len =       80
          data =          "Test Using Larger Than Block-Size Key - Hash
  Key First"
          data_len =      54
          digest =        0x6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd
          */
          { 6, "md5",
              {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}, 80,
              "Test Using Larger Than Block-Size Key - Hash Key First", 54,
              {0x6b, 0x1a, 0xb7, 0xfe, 0x4b, 0xd7, 0xbf, 0x8f,
               0x0b, 0x62, 0xe6, 0xce, 0x61, 0xb9, 0xd0, 0xcd} },
  
          /*
  
          test_case =     7
          key =           0xaa repeated 80 times
          key_len =       80
          data =          "Test Using Larger Than Block-Size Key and Larger
                          Than One Block-Size Data"
          data_len =      73
          digest =        0x6f630fad67cda0ee1fb1f562db3aa53e
          */
          { 7, "md5",
              {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}, 80,
              "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data", 73,
              {0x6f, 0x63, 0x0f, 0xad, 0x67, 0xcd, 0xa0, 0xee,
               0x1f, 0xb1, 0xf5, 0x62, 0xdb, 0x3a, 0xa5, 0x3e} }
      };
  
      unsigned long outlen;
      int err;
      int tested=0,failed=0;
      for(i=0; i < (int)(sizeof(cases) / sizeof(cases[0])); i++) {
          int hash = find_hash(cases[i].algo);
          if (hash == -1) continue;
          ++tested;
          outlen = sizeof(digest);
          if((err = hmac_memory(hash, cases[i].key, cases[i].keylen, cases[i].data, cases[i].datalen, digest, &outlen)) != CRYPT_OK) {
  #if 0
              printf("LTC_HMAC-%s test #%d, %s\n", cases[i].algo, cases[i].num, error_to_string(err));
  #endif
              return err;
          }
  
          if(XMEMCMP(digest, cases[i].digest, (size_t)hash_descriptor[hash].hashsize) != 0)  {
              failed++;
  #if 0
              unsigned int j;
              printf("\nLTC_HMAC-%s test #%d:\n", cases[i].algo, cases[i].num);
              printf(  "Result:  0x");
              for(j=0; j < hash_descriptor[hash].hashsize; j++) {
                  printf("%2x ", digest[j]);
              }
              printf("\nCorrect: 0x");
              for(j=0; j < hash_descriptor[hash].hashsize; j++) {
                 printf("%2x ", cases[i].digest[j]);
              }
              printf("\n");
              return CRYPT_ERROR;
  #endif
          } else {
              /* printf("LTC_HMAC-%s test #%d: Passed\n", cases[i].algo, cases[i].num); */
          }
      }
  
      if (failed != 0) {
          return CRYPT_FAIL_TESTVECTOR;
      } else if (tested == 0) {
          return CRYPT_NOP;
      } else {
          return CRYPT_OK;
      }
   #endif
  }
  
  #endif
  
  
  /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_test.c,v $ */
  /* $Revision: 1.10 $ */
  /* $Date: 2007/05/12 14:37:41 $ */
  