Patent ID: 8667266
Filing Date: 2014-03-04
Classification: H04L

Abstract:
1. A device comprising a processor and memory, wherein the processor is configured to: identify a distribution list address in a message; determine one or more member addresses associated with the distribution list address; for each of the one or more member addresses, determine if a public key for a member identified by the member address is available on the device; if a public key for a member address is not available on the device, if a certificate for the member address is found, for each member whose public key is available on the device, encrypt the message to the member using the public key for the member; if each of the one or more member addresses associated with the distribution list identifies a member whose public key is available on the device, if not all of the one or more member addresses associated with the distribution list identify a member whose public key is available on the device,