Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2007-04-24
2007-04-24
Zand, Kambiz (Department: 2134)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
Reexamination Certificate
active
10067950
ABSTRACT:
A device information generating device comprises a device key matrix storage unit configured to store a device key matrix in which device keys are arranged in a two dimensional manner, and a device key generating unit configured to select one of the device keys in each one dimensional array of the device key matrix according to each numeral of a device ID, wherein the selected device keys and the device ID are the device information.
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patent: 6735313 (2004-05-01), Bleichenbacher et al.
patent: 2002-77131 (2002-03-01), None
IBM Technical Disclosure Bulletin NN8507603, Jul. 1, 1985. Matrix Digital Signature for Use with the Data Encryption Algorithm.
D. Wallner, et al., Network Working Group, RFC 2627 of the Internet Engineering Task Force, pp. 1-20, “Key Management for Multicast: Issues and Architectures”, Jun. 1999.
T. Nakano, et al., The 2001 Symposium on Cryptography and Information Security, pp. 213-218, “Key Management System for Digital Content Protection”, Jan. 23-26, 2001.
Koutarou Suzuki, “B-tree Dynamic Key Tree using B-tree”, SCIS2000 The 2000 Symposium on Cryptography and Information Security, Jan. 26-28, 2000, 8 pages.
Kabushiki Kaisha Toshiba
Nalven Andrew L.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Zand Kambiz
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