Patent ID: 9378388
Filing Date: 2016-06-28
CPC Classification: G06F,H04L

Claim Text:
1. A data processing system comprising: a bus; a storage device connected to the bus, wherein the storage device contains program code; and a processor unit connected to the bus, wherein the processor unit is configured to run the program code to determine whether a backup of cryptographic information is present in response to receiving a request for the cryptographic information from a requester; to determine whether a first time stamp of when the cryptographic information was created is more recent than a second time stamp of the backup of the cryptographic information in response to determining that the backup of the cryptographic information is present, wherein the cryptographic information is used to encrypt data; and prevent the cryptographic information from being provided to the requester in response to a determination that the first time stamp of cryptographic information creation is more recent than the second time stamp of the backup of the cryptographic information.