Distributed cryptographic object method

CAFC
  • US 5,717,755 A
  • Filed: 09/13/1994
  • Issued: 02/10/1998
  • Est. Priority Date: 10/18/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for providing multi-level multimedia security in a data network, comprising:

  • A) accessing an object-oriented key manager;

    B) selecting a first object to encrypt;

    C) selecting a first label for the first object;

    D) selecting an encryption algorithm;

    E) encrypting the first object according to the encryption algorithm;

    F) labelling the encrypted first object wherein the labelling comprises creating a display header;

    G) reading the first object label;

    H) determining access authorization based on the first object label; and

    I) allowing access to the first object only if access authorization is granted.

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