Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2011-03-08
2011-03-08
LaForgia, Christian (Department: 2439)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S161000, C713S170000, C713S182000, C713S183000, C713S184000, C713S600000, C713S601000, C726S002000, C726S003000, C726S004000, C726S005000, C726S009000, C726S010000, C726S028000
Reexamination Certificate
active
07904716
ABSTRACT:
A digital MFP carries out an authentication of an operator by a user ID and a password prior to usage of the digital MFP. The digital MFP requests from the operator an instruction as to whether or not to store the successfully authenticated user ID and password in a flash memory along with a generated abbreviated code. When the operator instructs to store, the successfully authenticated user ID and the password are stored in the flash memory along with the generated abbreviated code. The digital MFP retrieves from the flash memory the user ID and the password that form a pair with the abbreviated code entered by the operator using the operation unit, and acquires authentication success or failure information with respect to the retrieved user ID and the password from an authentication server.
REFERENCES:
patent: 2002/0152070 (2002-10-01), Oda
patent: 2003/0046540 (2003-03-01), Nakamura et al.
patent: 2003/0101349 (2003-05-01), Wang
patent: 2004/0073440 (2004-04-01), Garbers et al.
patent: 2004/0196492 (2004-10-01), Johnson et al.
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Japanese language office action and its English language translation for corresponding Japanese application 2005275163 lists the reference above.
DLA Piper (LLP) US
Jackson Jenise E
LaForgia Christian
Murata Kikai Kabushiki Kaisha
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