Cryptography – Communication system using cryptography – Pseudo-random sequence scrambling
Reexamination Certificate
2007-02-05
2010-11-16
Barron, Jr., Gilberto (Department: 2432)
Cryptography
Communication system using cryptography
Pseudo-random sequence scrambling
C375S286000, C375S367000
Reexamination Certificate
active
07835524
ABSTRACT:
A highly concealable data communication apparatus based on an astronomical complexity and causing an eavesdropper to take a significantly increased time to analyze a cipher text, is provided. In a multi-level code generation section111a, a random number sequence generation section141generates, based on predetermined key information11,a plurality of modulation pseudo-random number sequences. The plurality of modulation pseudo-random number sequences is inputted to a multi-level conversion section142as a part of an input bit sequence which is converted into a multi-level code sequence12.A multi-level processing section111bcombines the multi-level code sequence12and information data10,and generates a multi-level signal13having a plurality of levels corresponding to a combination of the multi-level code sequence12and the information data10.
REFERENCES:
patent: 4071692 (1978-01-01), Weir et al.
patent: 4126761 (1978-11-01), Graupe et al.
patent: 4654704 (1987-03-01), Lippel
patent: 4700387 (1987-10-01), Hirata
patent: 5493584 (1996-02-01), Emeott
patent: 5917852 (1999-06-01), Butterfield et al.
patent: 6009135 (1999-12-01), Ozluturk
patent: 7079592 (2006-07-01), Chang et al.
patent: 9-205420 (1997-08-01), None
patent: 2005-057313 (2005-03-01), None
“Cryptography and Network Security: Principle and Practice” translated by Keiichiro Ishibashi et al., Pearson Education, 2001.
“Applied Cryptography” translated by Mayumi Adachi et al., Softbank publishing, 2003.
“Cryptography and Network Security: Principles and Practice” Second Edition, William Stallings, Prentice-Hall, Inc., New Jersey, 1999, pp. 131-159.
“Applied Cryptography” Second Edition, Bruce Schneier, John Wiley & Sons, Inc., 1996, pp. 369-395.
Furusawa Satoshi
Fuse Masaru
Ikushima Tsuyoshi
Sada Tomokazu
Barron Jr. Gilberto
Panasonic Corporation
Perungavoor Venkat
Wenderoth , Lind & Ponack, L.L.P.
LandOfFree
Encrypting of communications using a transmitting/receiving... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Encrypting of communications using a transmitting/receiving..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Encrypting of communications using a transmitting/receiving... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4172080