3 des

3des.rb

  def encrypted_password(password)
    if password.length < 8
      password = "#{password}#{'0'*(8-password.length)}"
    end

    key = "12345678"
    secret = "1234567890" + password + "123456"

    # des-ede3-cbc       Three key triple DES EDE in CBC mode
    # des-ede3           Three key triple DES EDE in ECB mode
    # des3               Alias for des-ede3-cbc
    # des-ede3-cfb       Three key triple DES EDE CFB mode
    # des-ede3-ofb       Three key triple DES EDE in OFB mode
    # http://ruby-doc.org/stdlib-2.0.0/libdoc/openssl/rdoc/OpenSSL/Cipher.html
    cipher = OpenSSL::Cipher::Cipher.new('des-ede3')
    cipher.encrypt
    cipher.iv = key
    cipher.key = secret
    cipher.padding = 0
    result = cipher.update(password) + cipher.final
    Base64.encode64(result)
  end