Patent ID: 8819426
Filing Date: 2014-08-26
Classification: H04L

Abstract:
1. A processing system, to serve as a source device for protected digital content, comprising: a processor and control logic which, when used by the processor, results in the processing system performing operations comprising: determining the processing system does not contain a master key for a candidate receiving device that is coupled to the processing system; based on the determination, generating a first key and transmitting the first key to the candidate receiving device; receiving a value from the candidate receiving device; determining a hash value based on the first key and the value and comparing the hash value with a hash value, obtained from the candidate receiving device, which is also based on the first key and the value; authenticating the candidate receiving device based on the comparison; generating a second key based on the first key and the value; and encrypting a session key based on the second key and transmitting the encrypted session key to the authenticated receiving device.