Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2006-10-19
2011-11-08
Arani, Taghi (Department: 2438)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C380S028000, C380S217000, C380S269000, C348S014130
Reexamination Certificate
active
08055900
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.
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Iwamura Keiichi
Murakami Tomochika
Wakao Satoru
Arani Taghi
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Mehrmanesh Amir
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