Patent ID: 8812875
Filing Date: 2014-08-19
Classification: G06F,H04L

Abstract:
1. An apparatus comprising: a storage device interface coupled to a storage device capable of storing information; a host interface coupled to a host device, configured to accept a read command from said host device and configured to provide a response to said read command that includes data to said host device; a decryption apparatus coupled to said host interface and said storage device interface used to decrypt data received by said storage device before being delivered to said host device; a data pattern detection circuit responsive to data being transferred from said storage device, decrypted by said decryption apparatus and provided to said host device in response to said read command; a storage circuit storing one or more decryption keys, wherein said one or more decryption keys can be used to decrypt information stored on said storage device; a key elimination circuit configured to trigger said storage circuit thereby causing the elimination of one or more of said one or more decryption keys, wherein said key elimination circuit is responsive to said data pattern detection circuit.