#!/usr/bin/env ruby
=begin
= $RCSfile$ -- TestCases for OpenSSL::Cipher

= Info
  'OpenSSL for Ruby 2' project
  Copyright (C) 2002  Michal Rokos <m.rokos@sh.cvut.cz>
  All rights reserved.

= Licence
  This program is licenced under the same licence as Ruby.
  (See the file 'LICENCE'.)

= Version
  $Id$
=end

require 'test/unit'
require 'openssl'

include OpenSSL
include Cipher

##
# OpenSSL::debug = true
#

class TC_Cipher < Test::Unit::TestCase
  def set_up
    @c1 = Cipher.new("DES-EDE3-CBC")
    @c2 = DES.new(:EDE3, "CBC")
  end
  def test_crypt
    key = "KEY"
    iv = "IV"
    data = "DATA"
    
    s1 = @c1.encrypt(key, iv).update(data) + @c1.final
    s2 = @c2.encrypt(key, iv).update(data) + @c2.final

    assert_equal(s1, s2, "encrypt")

    assert_equal(data, @c1.decrypt(key, iv).update(s2) + @c1.final, "decrypt")
    assert_equal(data, @c2.decrypt(key, iv).update(s1) + @c2.final, "decrypt")
  end
  def test_info
    assert_equal("DES-EDE3-CBC", @c1.name, "name")
    assert_equal("DES-EDE3-CBC", @c2.name, "name")
    assert_kind_of(Fixnum, @c1.key_len, "key_len")
    assert_kind_of(Fixnum, @c1.iv_len, "iv_len")
  end
  def tear_down
    @c1 = @c2 = nil
  end
end