Patent ID: 7643636
Filing Date: 2010-01-05
Classification: G06Q,H04L

Abstract:
1. A method for managing multiple different cryptographic periods in a single cryptographic group comprising the steps of: receiving a plurality of storage location numbers (“SLNs”) relating to a cryptographic group, wherein each SLN has a SLN cryptographic period and wherein at least two of the SLNs related to the cryptographic group have a different cryptographic period; determining a system cryptographic period based on the plurality of SLN cryptographic periods; prior to expiration of each system cryptographic period, determining whether any of the plurality of SLNs need to be updated based on its respective SLN cryptographic period; and if at least one of the plurality of SLNs needs to be updated, sending a first message comprising updated key material for the at least one SLN.