Patent ID: 8266452

Claim:
A method of recording messages comprising: recording, with a processor, audio data associated with a call in a first file structured in accordance with a file format that defines a first portion and a second portion, wherein the audio data is recorded in the first portion of the first file; receiving one or more recipient identifiers from a caller associated with the call, the recipient identifiers identifying one or more recipients of the audio data; identifying, based on the one or more recipient identifiers received from the caller, one or more public keys associated with the one or more recipients of the audio data; encrypting, with the processor, the audio data stored in the first portion of the first file based on the identified one or more public keys; and generating, with the processor, a second file structured according to the file format that includes decoy audio data in the first portion of the second file and the encrypted audio data in the second portion of the second file, wherein the decoy audio data indicates a confidential status of the second file.