A system and method for providing encrypted data for use in a content player are described. The system comprises an encryption device for encrypting data using an encryption algorithm, and a protection device for providing security device data and for providing information on a protocol for communication between the content player and a secure device. The system also comprises a control device for providing protected contents containing the encrypted data and the secure device data. The protocol information and attribute data may be on the different parts inside the protected contents. The encrypted data can be transmitted or stored on a suitable medium. A system and method for decrypting encrypted data in a content player is also described. The system may comprise an input for receiving protected contents containing encrypted data, secure device data, information on a communication protocol, and attribute data on the different parts inside the protected contents.