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openssl: fix test failure of OpenSSL::TestEC#test_ec_point_mul

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* test/openssl/test_pkey_ec.rb (test_ec_point_mul): CentOS 7 patches
OpenSSL to reject curves defined over a small field.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55059 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
rhe 2016-05-18 08:52:37 +00:00
parent bbc4fd8895
commit 1d1efeeafa
1 changed files with 26 additions and 21 deletions
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47
test/openssl/test_pkey_ec.rb
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@ -185,28 +185,33 @@ class OpenSSL::TestEC < OpenSSL::TestCase
end
def test_ec_point_mul
# 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)
begin
# 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))
# 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))
rescue OpenSSL::PKey::EC::Group::Error
# CentOS patches OpenSSL to reject curves defined over Fp where p < 256 bits
raise if e.message !~ /unsupported field/
end
p256_key = OpenSSL::TestUtils::TEST_KEY_EC_P256V1
p256_g = p256_key.group