Upgraded to open_id_authentication plugin at 00d8bc7f97 and unpacked ruby-openid gem version 2.1.2.

vendor/gems/ruby-openid-2.1.2/test/test_dh.rb

@@ -0,0 +1,86 @@
+require 'test/unit'
+require 'openid/dh'
+require 'testutil'
+
+module OpenID
+  class DiffieHellmanExposed < OpenID::DiffieHellman
+    def DiffieHellmanExposed.strxor_for_testing(a, b)
+      return DiffieHellmanExposed.strxor(a, b)
+    end
+  end
+
+  class DiffieHellmanTestCase < Test::Unit::TestCase
+    include OpenID::TestDataMixin
+
+    NUL = "\x00"
+
+    def test_strxor_success
+      [#input 1   input 2   expected
+       [NUL,      NUL,      NUL     ],
+       ["\x01",   NUL,      "\x01"  ],
+       ["a",      "a",      NUL     ],
+       ["a",      NUL,      "a"     ],
+       ["abc",    NUL * 3,  "abc"   ],
+       ["x" * 10, NUL * 10, "x" * 10],
+       ["\x01",   "\x02",   "\x03"  ],
+       ["\xf0",   "\x0f",   "\xff"  ],
+       ["\xff",   "\x0f",   "\xf0"  ],
+      ].each do |input1, input2, expected|
+        actual = DiffieHellmanExposed.strxor_for_testing(input1, input2)
+        assert_equal(expected, actual)
+      end
+    end
+
+    def test_strxor_failure
+      [
+       ['',      'a'    ],
+       ['foo',   'ba'   ],
+       [NUL * 3, NUL * 4],
+       [255,     127    ].map{|h| (0..h).map{|i|i.chr}.join('')},
+      ].each do |aa, bb|
+        assert_raises(ArgumentError) {
+          DiffieHellmanExposed.strxor(aa, bb)
+        }
+      end
+    end
+
+    def test_simple_exchange
+      dh1 = DiffieHellman.from_defaults()
+      dh2 = DiffieHellman.from_defaults()
+      secret1 = dh1.get_shared_secret(dh2.public)
+      secret2 = dh2.get_shared_secret(dh1.public)
+      assert_equal(secret1, secret2)
+    end
+
+    def test_xor_secret
+      dh1 = DiffieHellman.from_defaults()
+      dh2 = DiffieHellman.from_defaults()
+      secret = "Shhhhhh! don't tell!"
+      encrypted = dh1.xor_secret((CryptUtil.method :sha1), dh2.public, secret)
+      decrypted = dh2.xor_secret((CryptUtil.method :sha1), dh1.public, encrypted)
+      assert_equal(secret, decrypted)
+    end
+
+    def test_dh
+      dh = DiffieHellman.from_defaults()
+      class << dh
+        def set_private_test(priv)
+          set_private(priv)
+        end
+      end
+
+      read_data_file('dh.txt', true).each do |line|
+        priv, pub = line.split(' ').map {|x| x.to_i}
+        dh.set_private_test(priv)
+        assert_equal(dh.public, pub)
+      end
+    end
+
+    def test_using_defaults
+      dh = DiffieHellman.from_defaults()
+      assert(dh.using_default_values?)
+      dh = DiffieHellman.new(3, 2750161)
+      assert(!dh.using_default_values?)
+    end
+  end
+end