tests/md5.cpp

   1 #include <msp/crypto/md5.h>
   2 #include <msp/test/test.h>
   3
   4 using namespace std;
   5 using namespace Msp;
   6
   7 class MD5Tests: public Test::RegisteredTest<MD5Tests>
   8 {
   9 public:
  10         MD5Tests();
  11
  12         static const char *get_name() { return "MD5"; }
  13
  14 private:
  15         void empty_input();
  16         void known_strings();
  17         void size_corner_cases();
  18         void large_input();
  19 };
  20
  21 MD5Tests::MD5Tests()
  22 {
  23         add(&MD5Tests::empty_input,       "empty input");
  24         add(&MD5Tests::known_strings,     "known strings");
  25         add(&MD5Tests::size_corner_cases, "input size corner cases");
  26         add(&MD5Tests::large_input,       "large input");
  27 }
  28
  29 void MD5Tests::empty_input()
  30 {
  31         string digest = Crypto::MD5().get_hexdigest();
  32         EXPECT_EQUAL(digest, "d41d8cd98f00b204e9800998ecf8427e");
  33 }
  34
  35 void MD5Tests::known_strings()
  36 {
  37         // Test suite from RFC 1321
  38         const char *test_suite[] =
  39         {
  40                 "a", "0cc175b9c0f1b6a831c399e269772661",
  41                 "abc", "900150983cd24fb0d6963f7d28e17f72",
  42                 "message digest", "f96b697d7cb7938d525a2f31aaf161d0",
  43                 "abcdefghijklmnopqrstuvwxyz", "c3fcd3d76192e4007dfb496cca67e13b",
  44                 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", "d174ab98d277d9f5a5611c2c9f419d9f",
  45                 "12345678901234567890123456789012345678901234567890123456789012345678901234567890", "57edf4a22be3c955ac49da2e2107b67a",
  46                 0
  47         };
  48
  49         for(unsigned i=0; test_suite[i]; i+=2)
  50         {
  51                 string digest = Crypto::MD5(test_suite[i]).get_hexdigest();
  52                 expect_equal(digest, digest==test_suite[i+1], string("digest == \"")+test_suite[i+1]+"\"");
  53         }
  54
  55         // This appears in Wikipedia
  56         string digest = Crypto::MD5("The quick brown fox jumps over the lazy dog").get_hexdigest();
  57         EXPECT_EQUAL(digest, "9e107d9d372bb6826bd81d3542a419d6");
  58 }
  59
  60 void MD5Tests::size_corner_cases()
  61 {
  62         // 55 bytes; shortest possible padding
  63         string digest = Crypto::MD5("0123456789abcdef0123456789abcdef0123456789abcdef0123456").get_hexdigest();
  64         EXPECT_EQUAL(digest, "d8ea71eb4d2af27f59a5316c971065e6");
  65
  66         // 56 bytes; longest possible padding
  67         digest = Crypto::MD5("0123456789abcdef0123456789abcdef0123456789abcdef01234567").get_hexdigest();
  68         EXPECT_EQUAL(digest, "a68f061e81239660f6305195739ba7f0");
  69
  70         // 64 bytes; exactly one block
  71         digest = Crypto::MD5("0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef").get_hexdigest();
  72         EXPECT_EQUAL(digest, "fe3a1ff59f3b89b2ad3d33f08984874b");
  73 }
  74
  75 void MD5Tests::large_input()
  76 {
  77         static const char lorem_ipsum[] = "Lorem ipsum dolor sit amet, consectetur "
  78                 "adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore "
  79                 "magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation "
  80                 "ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute "
  81                 "irure dolor in reprehenderit in voluptate velit esse cillum dolore eu "
  82                 "fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, "
  83                 "sunt in culpa qui officia deserunt mollit anim id est laborum.";
  84
  85         string digest = Crypto::MD5(lorem_ipsum).get_hexdigest();
  86         EXPECT_EQUAL(digest, "db89bb5ceab87f9c0fcc2ab36c189c2c");
  87 }