Cryptography – Communication system using cryptography – Time segment interchange
Reexamination Certificate
2005-10-26
2009-11-03
Colin, Carl (Department: 2433)
Cryptography
Communication system using cryptography
Time segment interchange
C380S028000, C380S029000, C380S249000, C380S250000, C380S251000, C380S252000, C380S253000, C380S254000, C380S255000, C380S262000
Reexamination Certificate
active
07613296
ABSTRACT:
An M6block cipher system and method for encoding content and authenticating a device may use an M6core. The M6block cipher system may include a rotate constant selector selecting one or more rotate constants from a plurality of input rotate constants for output based on a selection signal input thereto, a rotate constant ordering device ordering the selected rotate constants and a common rotate constant input thereto based on a received ordering signal and an M6core generating one or more of an output signal, a validity signal and a round number based on the ordered rotate constants and a plurality of input signals. The system may include a rotate constant scheduler outputting the ordering signal to the rotate constant ordering device in response to the selection signal and the round number.
REFERENCES:
patent: 4642424 (1987-02-01), McNair
patent: 5740249 (1998-04-01), Shimizu et al.
patent: 6185304 (2001-02-01), Coppersmith et al.
patent: 6199052 (2001-03-01), Mitty et al.
patent: 6324288 (2001-11-01), Hoffman
patent: 6850252 (2005-02-01), Hoffberg
patent: 6914983 (2005-07-01), Chen et al.
John Kelsey, Bruce Schneier, David Wagner (Mar. 1999). “Mod n Cryptanalysis, with Application Against RC5P and M6”.
German Office Action dated Apr. 23, 2009, for corresponding German Patent Application No. 10 2005 056 815.7-31.
Choi Hong-Mook
Noh Mi-Jung
Colin Carl
Harness & Dickey & Pierce P.L.C.
Samsung Electronics Co Ltd.
Shehni Ghazal
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