Data encryption system and method

Details for Australian Patent Application No. 2009208117 (hide)

Owner NEC Corporation

Inventors Tsunoo, Yukiyaso

Agent Spruson & Ferguson

Pub. Number AU-A-2009208117

Parent 2003248442

Filing date 12 August 2009

Wipo publication date 3 September 2009

International Classifications

H04L 9/28 (2006.01) Arrangements for secret or secure communication - using particular encryption algorithm

G06F 12/08 (2006.01) Accessing, addressing or allocating within memory systems or architectures - in hierarchically structured memory systems, e.g. virtual memory systems

G06F 21/00 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

G06F 21/06 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

G06F 21/24 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

G09C 1/00 (2006.01) Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system

H04L 9/06 (2006.01) Arrangements for secret or secure communication -

H04L 9/10 (2006.01) Arrangements for secret or secure communication - with particular housing, physical features or manual controls

H04L 9/18 (2006.01) Arrangements for secret or secure communication - Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems

Event Publications

27 August 2009 Complete Application Filed

3 September 2009 Application Open to Public Inspection

  Published as AU-A-2009208117

1 April 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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