Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
John G. Brainard0
Date of Patent
April 5, 2016
0Patent Application Number
129765750
Date Filed
December 22, 2010
0Patent Citations Received
0
0
Patent Primary Examiner
Patent abstract
A method is used in updating keys for use in authentication. A cryptographic operation is performed based on a stored representation of a higher-level key. The cryptographic operation results in a derived key. The derived key is used for authentication. A key update operation is applied to replace the derived key after authentication.
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