Patent ID: 8819407
Filing Date: 2014-08-26
Classification: H04L

Abstract:
1. A method comprising: creating, by a user device, an electronic message, the electronic message comprising destination information corresponding to an intended recipient of the electronic message; specifying, by a user device, a security key corresponding to the intended recipient and a key duration corresponding to the security key, encrypting, by the user device, the electronic message based on the security key corresponding to the intended recipient; sending, by the user device, the electronic message based on the destination information to the intended recipient; receiving security key information from a device corresponding to the intended recipient; determining that the received security key information corresponds to the security key; authenticating the security key information when the received security key information corresponds to the security key; and in response to authenticating the security key information, communicating the security key and the key duration to the device corresponding to the intended recipient, wherein the key duration indicates an interval of time, and wherein expiration of the interval of time renders the security key inoperative for decrypting the electronic message.