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Method and apparatus for the secure storage of audio signals

  • US 6,988,205 B2
  • Filed: 02/05/2003
  • Issued: 01/17/2006
  • Est. Priority Date: 08/19/1997
  • Status: Expired due to Term
First Claim
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1. A secure audio signal storage apparatus comprising:

  • a signal receiving interface for receiving audio signals from at least one speaking party;

    an encryption processor for encrypting the received audio signals;

    a storage device for storing the encrypted audio signals;

    a crypto-key generator for generating a crypto-key and transmitting the crypto-key to the at least one speaking party, wherein the crypto-key can be used to decrypt the encrypted audio signals;

    a message ID generator for generating a message ID associated with the stored encrypted audio signals and transmitting the message ID to the at least one speaking party; and

    a database for storing the message ID and associating the message ID with the stored encrypted audio signals.

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