Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2007-03-20
2007-03-20
Arani, Taghi T. (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C382S100000, C380S030000
Reexamination Certificate
active
10366313
ABSTRACT:
A provider side apparatus provides original digital data together with a digital signature generated by the provider side apparatus, the digital signature detecting whether the original digital data was falsified or detecting a change level given to the original digital data. Upon reception of the digital data, a receiver side apparatus can know the originality of the received digital data or a change level of the received digital data from the original digital data, in accordance with the digital signature corresponding to the digital data.
REFERENCES:
patent: 5499294 (1996-03-01), Friedman
patent: 5600720 (1997-02-01), Iwamura et al.
patent: 5625693 (1997-04-01), Rohatgi et al.
patent: 5666419 (1997-09-01), Yamamoto et al.
patent: 5875249 (1999-02-01), Mintzer et al.
patent: 5937395 (1999-08-01), Iwamura
patent: 6064764 (2000-05-01), Bhaskaran et al.
patent: 6088454 (2000-07-01), Nagashima et al.
patent: 6425081 (2002-07-01), Iwamura
patent: 6463535 (2002-10-01), Drews
patent: 6560339 (2003-05-01), Iwamura
patent: 6611599 (2003-08-01), Natarajan
patent: 6748533 (2004-06-01), Wu et al.
patent: 2001/0012019 (2001-08-01), Yamazaki et al.
patent: 2001/0017709 (2001-08-01), Murakami et al.
patent: 2001/0017717 (2001-08-01), Ishida et al.
patent: 2001/0046307 (2001-11-01), Wong
patent: 2001/0055390 (2001-12-01), Hayashi et al.
patent: 2002/0002679 (2002-01-01), Murakami et al.
patent: 2002/0016916 (2002-02-01), Natarajan
patent: 2002/0023216 (2002-02-01), Noguchi et al.
patent: 2002/0060736 (2002-05-01), Wakao et al.
patent: 2002/0104003 (2002-08-01), Iwamura
patent: 2002/0133705 (2002-09-01), Tagashira et al.
patent: 2002/0165823 (2002-11-01), Iwamura
patent: 2003/0012406 (2003-01-01), Iwamura
patent: 2004/0128511 (2004-07-01), Sun et al.
patent: 0 982 927 (2000-03-01), None
Iwamura Keiichi
Murakami Tomochika
Wakao Satoru
Arani Taghi T.
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
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