System and method of lawful access to secure communications
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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Abstract
The present disclosure relates to systems and methods for secure communications. In some aspects, one or more values used to generate an encryption key used to encrypt a packet are stored in a header of the packet. The packet is transmitted with the encrypted data portion in a communication. In some aspects, one or more values used to generate an encryption key are received. The encryption key is regenerated using the one or more values.
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Citations
7 Claims
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1. A method for secure communication, the method comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification