gistfile1.rb

$key = OpenSSL::Digest::SHA256.new("verysecretkey").digest

def decrypt(data)
    cipher = OpenSSL::Cipher::AES256.new(:CBC)
    cipher.decrypt

    cipher.key = $key

    begin
        msg = cipher.update(data)
        msg << cipher.final
    rescue Exception => e
        #puts e
    end
    return msg
end

def encrypt(data)
    cipher = OpenSSL::Cipher::AES256.new(:CBC)
    cipher.encrypt

    cipher.key = $key

    begin
        payload = cipher.update(data)
        payload << cipher.final
        puts payload.bytesize
    rescue Exception => e
        #puts e
    end
    return payload
end