Patent ID: 8503681
Filing Date: 2013-08-06
Classification: H04L

Abstract:
1. A system comprising: a data communications module to send a data packet utilizing a data protocol, the data protocol being to accommodate communication of data, the data packet to be processed utilizing an encrypted key, the encrypted key being not included in the data packet; and a carrier packet communications module to send, periodically, a carrier packet utilizing a control protocol, the control protocol being to control an associated communication session, the carrier packet comprising an authentication tag, the encrypted key, and a security parameter index, a decrypted version of the encrypted key being suitable for being authenticated using the authentication tag, the control protocol being separate from the data protocol, wherein the carrier packet is sent at once before the data sachet is sent by the data communications module, and the carrier packet is sent at least once after the data packet is sent by the data communications module, the encrypted key in the carrier packet that is sent before the data packet is sent being identical to the encrypted key in the carrier packet that is sent after the data packet is sent, and the security parameter index is configured to indicate a key encrypting key used to form the encrypted key.