begin require "openssl" require File.join(File.dirname(__FILE__), "utils.rb") rescue LoadError end require "test/unit" if defined?(OpenSSL::PKey::EC) class OpenSSL::TestEC < Test::Unit::TestCase def setup @data1 = 'foo' @data2 = 'bar' * 1000 # data too long for DSA sig @group1 = OpenSSL::PKey::EC::Group.new('secp112r1') @group2 = OpenSSL::PKey::EC::Group.new('sect163k1') @key1 = OpenSSL::PKey::EC.new @key1.group = @group1 @key1.generate_key @key2 = OpenSSL::PKey::EC.new(@group2.curve_name) @key2.generate_key @groups = [@group1, @group2] @keys = [@key1, @key2] end def compare_keys(k1, k2) assert_equal(k1.to_pem, k2.to_pem) end def test_curve_names @groups.each_with_index do |group, idx| key = @keys[idx] assert_equal(group.curve_name, key.group.curve_name) end end def test_check_key for key in @keys assert_equal(key.check_key, true) assert_equal(key.private_key?, true) assert_equal(key.public_key?, true) end end def test_encoding for group in @groups for meth in [:to_der, :to_pem] txt = group.send(meth) gr = OpenSSL::PKey::EC::Group.new(txt) assert_equal(txt, gr.send(meth)) assert_equal(group.generator.to_bn, gr.generator.to_bn) assert_equal(group.cofactor, gr.cofactor) assert_equal(group.order, gr.order) assert_equal(group.seed, gr.seed) assert_equal(group.degree, gr.degree) end end for key in @keys group = key.group for meth in [:to_der, :to_pem] txt = key.send(meth) assert_equal(txt, OpenSSL::PKey::EC.new(txt).send(meth)) end bn = key.public_key.to_bn assert_equal(bn, OpenSSL::PKey::EC::Point.new(group, bn).to_bn) end end def test_set_keys for key in @keys k = OpenSSL::PKey::EC.new k.group = key.group k.private_key = key.private_key k.public_key = key.public_key compare_keys(key, k) end end def test_dsa_sign_verify for key in @keys sig = key.dsa_sign_asn1(@data1) assert(key.dsa_verify_asn1(@data1, sig)) end end def test_dsa_sign_asn1_FIPS186_3 for key in @keys size = key.group.order.num_bits / 8 + 1 dgst = (1..size).to_a.pack('C*') begin sig = key.dsa_sign_asn1(dgst) # dgst is auto-truncated according to FIPS186-3 after openssl-0.9.8m assert(key.dsa_verify_asn1(dgst + "garbage", sig)) rescue OpenSSL::PKey::ECError => e # just an exception for longer dgst before openssl-0.9.8m assert_equal('ECDSA_sign: data too large for key size', e.message) # no need to do following tests return end end end def test_dh_compute_key for key in @keys k = OpenSSL::PKey::EC.new(key.group) k.generate_key puba = key.public_key pubb = k.public_key a = key.dh_compute_key(pubb) b = k.dh_compute_key(puba) assert_equal(a, b) end end # test Group: asn1_flag, point_conversion end end