diff options
Diffstat (limited to 'test/openssl/test_pkey_ec.rb')
| -rw-r--r-- | test/openssl/test_pkey_ec.rb | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/test/openssl/test_pkey_ec.rb b/test/openssl/test_pkey_ec.rb index fe128fd455..d3edcc47b4 100644 --- a/test/openssl/test_pkey_ec.rb +++ b/test/openssl/test_pkey_ec.rb @@ -190,19 +190,38 @@ class OpenSSL::TestEC < Test::Unit::TestCase end def test_ec_point_mul - ec = OpenSSL::TestUtils::TEST_KEY_EC_P256V1 - p1 = ec.public_key - bn1 = OpenSSL::BN.new('10') - bn2 = OpenSSL::BN.new('20') - - p2 = p1.mul(bn1) - assert(p1.group == p2.group) - p2 = p1.mul(bn1, bn2) - assert(p1.group == p2.group) - p2 = p1.mul([bn1, bn2], [p1]) - assert(p1.group == p2.group) - p2 = p1.mul([bn1, bn2], [p1], bn2) - assert(p1.group == p2.group) + # y^2 = x^3 + 2x + 2 over F_17 + # generator is (5, 1) + group = OpenSSL::PKey::EC::Group.new(:GFp, 17, 2, 2) + gen = OpenSSL::PKey::EC::Point.new(group, OpenSSL::BN.new("040501", 16)) + group.set_generator(gen, 0, 0) + + # 3 * (6, 3) = (16, 13) + point_a = OpenSSL::PKey::EC::Point.new(group, OpenSSL::BN.new("040603", 16)) + result_a1 = point_a.mul(3.to_bn) + assert_equal("04100D", result_a1.to_bn.to_s(16)) + # 3 * (6, 3) + 3 * (5, 1) = (7, 6) + result_a2 = point_a.mul(3.to_bn, 3.to_bn) + assert_equal("040706", result_a2.to_bn.to_s(16)) + # 3 * point_a = 3 * (6, 3) = (16, 13) + result_b1 = point_a.mul([3.to_bn], []) + assert_equal("04100D", result_b1.to_bn.to_s(16)) + # 3 * point_a + 2 * point_a = 3 * (6, 3) + 2 * (6, 3) = (7, 11) + result_b1 = point_a.mul([3.to_bn, 2.to_bn], [point_a]) + assert_equal("04070B", result_b1.to_bn.to_s(16)) + # 3 * point_a + 5 * point_a.group.generator = 3 * (6, 3) + 5 * (5, 1) = (13, 10) + result_b1 = point_a.mul([3.to_bn], [], 5) + assert_equal("040D0A", result_b1.to_bn.to_s(16)) + + p256_key = OpenSSL::TestUtils::TEST_KEY_EC_P256V1 + p256_g = p256_key.group + assert_equal(p256_key.public_key, p256_g.generator.mul(p256_key.private_key)) + + # invalid argument + assert_raise(TypeError) { point_a.mul(nil) } + assert_raise(ArgumentError) { point_a.mul([1.to_bn], [point_a]) } + assert_raise(TypeError) { point_a.mul([1.to_bn], nil) } + assert_raise(TypeError) { point_a.mul([nil], []) } end # test Group: asn1_flag, point_conversion |