Microsoft Office Data Analysis Project Management Business Process Mapping Customer Service Peoplesoft Financial Budgeting and Forecasting Project Planning
Christopher Paul Carroll - Natick MA, US Muxiang Zhang - Malden MA, US Agnes Chan - Lincoln MA, US
Assignee:
Verizon Laboratories Inc. - Waltham MA Genuity, Inc. - Cambridge MA
International Classification:
H04L009/00
US Classification:
380 44, 380 46
Abstract:
Methods and systems are provided for processing information. In one embodiment, there is provided a method, providing a frame key based on a master key and a frame number of a frame of information to a keystream generator as an initial fill for one or more registers of the keystream generator such that the initial fill establishes a state for the one or more registers of the keystream generator; and generating, at the keystream generator, a keystream sequence based on the state established by the initial fill, wherein the keystream sequence includes a modulo-2 sum of a lagged-Fibonacci sequence and a pseudo-random sequence produced by a filter generator.
Muriel Medard - Lexington MA John D. Moores - Concord MA Katherine L. Hall - Westford MA Kristin A. Rauschenbach - Lexington MA Salil Parikh - Burlington MA Agnes H. Chan - Lincoln MA
Assignee:
Massachusetts Institue of Technology - Cambridge MA Northeastern University - Boston MA
International Classification:
H04L 900
US Classification:
380 46
Abstract:
A pseudorandom sequence generator including a first feedback shift register having at least one input and at least one output and a first controller having an output in communication with the at least one input of the first feedback shift register; the first feedback shift register operating at a first speed S. sub. 1 and the first controller operating at a second speed S. sub. 2. In one embodiment the first speed S. sub. 1 of the first feedback shift register is an integer multiple of the second speed S. sub. 2 of the first controller. In another embodiment the first feedback shift register includes a shift register having an input, an output, and at least one tap; and a feedback function generator having a first input in communication with the at least one tap of the shift register, a second input in communication with the output of the first controller, and an output in communication with the input of the shift register; the feedback function generator includes at least one feedback function.
Isbn (Books And Publications)
Information Security : 5th International Conference, ISC 2002, Sao Paulo, Brazil, September 30-October 2, 2002: Proceedings
The Council Population Inc Noncommercial Research Organizations
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