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System and method of lawful access to secure communications

  • US 9,083,509 B2
  • Filed: 01/11/2013
  • Issued: 07/14/2015
  • Est. Priority Date: 01/12/2012
  • Status: Active Grant
First Claim
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1. A method for secure communication, the method comprising:

  • storing in a header of a packet one or more values used in generation of an encryption key used to encrypt the packet, wherein the one or more values comprise a nonce value that is combined with a secret key to generate a random number, wherein the random number is used to generate the encryption key, and wherein the packet is a secure real-time transport protocol (SRTP) packet and the header is an SRTP header;

    encrypting at least a data portion of the packet using the encryption key; and

    transmitting the packet with an encrypted data portion in a communication.

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