×

TIME OF DAY ENCRYPTION USING TDMA TIMING

  • US 20090323952A1
  • Filed: 05/27/2009
  • Published: 12/31/2009
  • Est. Priority Date: 05/27/2008
  • Status: Active Grant
First Claim
Patent Images

1. A method for encrypting data in a TDMA communication system at a transmitting terminal, the method comprising:

  • receiving a transmit TDMA timeslot assignment, with a TDMA time value, from a TDMA controller;

    receiving data from a user;

    calculating a one-time key-stream from at least the TDMA time value using a controller;

    encrypting the data using the one-time key-stream to produce encrypted data with the controller; and

    transmitting the encrypted data to a receiver.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×