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AssigneeBlackBerry Limited
InventorsMichael Stephen Brown, Herbert Anthony Little, Neil Patrick Adams, Michael Grant Kirkup, Michael Kenneth Brown
Estimating the term…
A system and method for retrieving certificates and/or verifying the revocation status of certificates. In one embodiment, when a user opens a digitally signed message, a certificate that is required to verify the digital signature on the message may be automatically retrieved if it is not stored on the user's computing device (e.g. a mobile device), eliminating the need for users to initiate the task manually. Verification of the digital signature may also be automatically performed by the application after the certificate is retrieved. Verification of the revocation status of a certificate may also be automatically performed if it is determined that the time that has elapsed since the status was last updated exceeds a pre-specified limit.
A method of retrieving status information of certificates, the method comprising:
A communication device comprising:
A computer-readable storage device, comprising a plurality of instructions executable by a processor of a communication device, wherein the instructions configure the processor to:
Dependencies are inferred from the claim text.