require_relative 'utils' if defined?(OpenSSL) class OpenSSL::TestPKeyRSA < Test::Unit::TestCase def test_padding key = OpenSSL::PKey::RSA.new(512, 3) # Need right size for raw mode plain0 = "x" * (512/8) cipher = key.private_encrypt(plain0, OpenSSL::PKey::RSA::NO_PADDING) plain1 = key.public_decrypt(cipher, OpenSSL::PKey::RSA::NO_PADDING) assert_equal(plain0, plain1) # Need smaller size for pkcs1 mode plain0 = "x" * (512/8 - 11) cipher1 = key.private_encrypt(plain0, OpenSSL::PKey::RSA::PKCS1_PADDING) plain1 = key.public_decrypt(cipher1, OpenSSL::PKey::RSA::PKCS1_PADDING) assert_equal(plain0, plain1) cipherdef = key.private_encrypt(plain0) # PKCS1_PADDING is default plain1 = key.public_decrypt(cipherdef) assert_equal(plain0, plain1) assert_equal(cipher1, cipherdef) # Failure cases assert_raise(ArgumentError){ key.private_encrypt() } assert_raise(ArgumentError){ key.private_encrypt("hi", 1, nil) } assert_raise(OpenSSL::PKey::RSAError){ key.private_encrypt(plain0, 666) } end def test_private key = OpenSSL::PKey::RSA.new(512, 3) assert(key.private?) key2 = OpenSSL::PKey::RSA.new(key.to_der) assert(key2.private?) key3 = key.public_key assert(!key3.private?) key4 = OpenSSL::PKey::RSA.new(key3.to_der) assert(!key4.private?) end def test_new key = OpenSSL::PKey::RSA.new 512 pem = key.public_key.to_pem OpenSSL::PKey::RSA.new pem assert_equal([], OpenSSL.errors) end end end