# File lib/mcollective/ssl.rb, line 158
    def aes_decrypt(key, crypt_string)
      cipher = OpenSSL::Cipher::Cipher.new(ssl_cipher)

      cipher.decrypt
      cipher.key = key
      cipher.pkcs5_keyivgen(key)
      decrypted_data = cipher.update(crypt_string) + cipher.final
    end