The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 1995
Filed:
Jan. 25, 1994
Applicant:
Inventors:
William A Aiello, Madison, NJ (US);
Ramarathnam Venkatesan, Morristown, NJ (US);
Assignee:
Bell Communications Research, Inc., Livington, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
380 46 ; 380 29 ; 36422421 ; 364717 ;
Abstract
Methodology and concomitant circuitry to generate cryptographically strong pseudo-random bit streams utilize secure block cypher encoders. Typically, each block cypher encoder has a first seed and a random key as an input. In the most basic realization of the methodology and circuitry, the output of each encoder is fed back to connect to its input. The first seed serves as the initial input, and each subsequent input is the immediate output. Each bit in the cryptographically strong pseudo-random bit stream is related to an inner product between each input to the encoder and a second seed.