require_relative 'utils' if defined?(OpenSSL::TestUtils) class OpenSSL::TestPKeyDH < Test::Unit::TestCase NEW_KEYLEN = 256 def test_new dh = OpenSSL::PKey::DH.new(NEW_KEYLEN) assert_key(dh) end def test_new_break assert_nil(OpenSSL::PKey::DH.new(NEW_KEYLEN) { break }) assert_raise(RuntimeError) do OpenSSL::PKey::DH.new(NEW_KEYLEN) { raise } end end def test_to_der dh = OpenSSL::TestUtils::TEST_KEY_DH1024 der = dh.to_der dh2 = OpenSSL::PKey::DH.new(der) assert_equal_params(dh, dh2) assert_no_key(dh2) end def test_to_pem dh = OpenSSL::TestUtils::TEST_KEY_DH1024 pem = dh.to_pem dh2 = OpenSSL::PKey::DH.new(pem) assert_equal_params(dh, dh2) assert_no_key(dh2) end def test_public_key dh = OpenSSL::TestUtils::TEST_KEY_DH1024 public_key = dh.public_key assert_no_key(public_key) #implies public_key.public? is false! assert_equal(dh.to_der, public_key.to_der) assert_equal(dh.to_pem, public_key.to_pem) end def test_generate_key dh = OpenSSL::TestUtils::TEST_KEY_DH512_PUB.public_key # creates a copy assert_no_key(dh) dh.generate_key! assert_key(dh) end def test_key_exchange dh = OpenSSL::TestUtils::TEST_KEY_DH512_PUB dh2 = dh.public_key dh.generate_key! dh2.generate_key! assert_equal(dh.compute_key(dh2.pub_key), dh2.compute_key(dh.pub_key)) end private def assert_equal_params(dh1, dh2) assert_equal(dh1.g, dh2.g) assert_equal(dh1.p, dh2.p) end def assert_no_key(dh) assert_equal(false, dh.public?) assert_equal(false, dh.private?) assert_equal(nil, dh.pub_key) assert_equal(nil, dh.priv_key) end def assert_key(dh) assert(dh.public?) assert(dh.private?) assert(dh.pub_key) assert(dh.priv_key) end end end