Patent ID: 8229857
Filing Date: 2012-07-24
Classification: G11B

Abstract:
1. In a player, method of descrambling encrypted content stored on a secure pre-recorded medium, the player being able to communicate with the secure pre-recorded medium, comprising the steps of: accessing, by the player, the secure pre-recorded medium, which is communicatively coupled to, and readable by, the player, the secure pre-recorded medium having a secure processor and encrypted content thereon, the secure medium having one or more secret keys for descrambling the encrypted content; authenticating, by the player, the secure processor; reading, by the player, an encrypted version of the secret descrambling key encrypted using a first key from a content memory on the secure pre-recorded medium; sending, by the player, the encrypted descrambling key encrypted using the first key to the secure processor; receiving, by the player, from the secure processor the secret descrambling key encrypted using a session key; decrypting, by the player, the secret descrambling key using the session key; receiving, by the player, from the secure pre-recorded medium, the encrypted content; and descrambling, by the player, the encrypted content with the secret descrambling key.