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Dynamic encoding algorithms and inline message decryption

  • US 7,096,355 B1
  • Filed: 08/06/2001
  • Issued: 08/22/2006
  • Est. Priority Date: 04/26/1999
  • Status: Expired due to Term
First Claim
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1. A method for controlling access to a message that is communicated from a first node to a second node in a network, the method comprising the computer-implemented steps of:

  • generating, at the first node, an encoded message by encoding the message with a key;

    generating, at the first node, a set of one or more instructions that contain address data that indicates a location from which the key may be retrieved and executable code that implements a decryption algorithm for decoding the encoded message using the key; and

    providing the encoded message and the set of one or more instructions to the second node;

    wherein, processing the set of one or more instructions at the second node causes the message to be recovered from the encoded message by;

    retrieving the key from the location specified by the address data and decoding the encoded message using the key.

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