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Ephemeral decryptability

  • US 6,363,480 B1
  • Filed: 09/14/1999
  • Issued: 03/26/2002
  • Est. Priority Date: 09/14/1999
  • Status: Expired due to Term
First Claim
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1. A method of supporting data encryption, comprising:

  • indicating to a first party at least one expiration time, said indicating of said at least one expiration time performed by a second party;

    providing, by said first party, at least one encryption key associated with said expiration time to said second party;

    receiving data encrypted by said second party using said encryption key;

    decrypting, at least in part, said encrypted data using a decryption key associated with said encryption key; and

    destroying, by said first party, said decryption key associated with said encryption key at said expiration time.

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