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Air-interface application layer security for wireless networks

  • US 20070101120A1
  • Filed: 10/28/2005
  • Published: 05/03/2007
  • Est. Priority Date: 10/28/2005
  • Status: Active Grant
First Claim
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1. A method of encrypting data for transmission over a wireless link, comprising:

  • encrypting at least one block of data, at an air-interface application layer, using an encryption algorithm that receives a cryptosynch as input, wherein the value of the cryptosynch is based on an order of the at least one block of data relative to other blocks of data, and the value of the cryptosynch is recoverable by a receiver based on the ordering of the blocks of data;

    transmitting the at least one encrypted block of data to a receiver that is operable to preserve the order of the at least one block of data relative to the other blocks of data.

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