begin require "openssl" require File.join(File.dirname(__FILE__), "utils.rb") rescue LoadError end require 'test/unit' 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 end end