Patent ID: 8467527
Filing Date: 2013-06-18
Classification: H04L

Abstract:
1. A system comprising: a cryptographic engine to derive a cryptographic client session key, client_key, for each of a plurality of clients using a derivation formula as follows: client_key =client_key a medium access control (MAC) processing unit coupled to the cryptographic engine, wherein AES128 is an Advanced Encryption Standard cryptographic operation using a 128-bit key and having a 128-bit output, client_key_MSB and client_key_LSB are 128-bit outputs of AES128, base_key client_ID is 128 bits of data that identify a client, pad is one of a null value, a value of a counter, and a prescribed string, and ∥ is a concatenation operation, wherein the cryptographic engine is configured to derive the client session key by concatenating the outputs of the parallel operations AES128(base_key