Patent ID: 8467534
Filing Date: 2013-06-18
Classification: G06F,H04L

Abstract:
1. A method for secure encryption and decryption key processing, the method comprising: generating at least one key within a key controller block of a chip; transferring said generated at least one key from said key controller block of said chip to an on-chip bus interface block via a secure serial link, wherein said generated at least one key is transferred utilizing a serial data signal; validating said transferred at least one key using a serial data validation signal, wherein said serial data validation signal is generated within said chip; and storing said validated at least one key in at least one key register which is accessible by only said key controller block; wherein said validating comprises validating a plurality of periods of said serial data signal used to transfer said at least one key via said secure serial link, wherein said plurality of periods is designated by said serial data validation signal.