Method and system for authenticating an accessory

摘要

A method, system, and connector interface for authenticating an accessory. the method includes performing a first authentication operation on the accessory by the media player, where an authentication certificate is validated; and performing a second authentication operation on the accessory by the media player, where an authentication signature is validated. According to the system and method disclosed herein, the media player and accessory may utilize a plurality of commands utilized in a variety of environments such as within a connector interface system environment to control access to the media player.

主权项

1. A media player comprising:
a processor; and an accessory interface coupled to the processor and configured to communicate with an accessory; wherein the processor:
sends a request for an authentication certificate to the accessory; andreceives an authentication certificate from the accessory;determines a validity of the authentication certificate; and if the authentication certificate is not valid, then preventing the accessory from further interacting with the media player; otherwise the processor thenreceives an application command from the accessory and sends a request for an authentication signature;in response to the received application command, invokes an associated media player application function; andreceives an authentication signature from the accessory; thendetermines a validity of the authentication signature.