Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Finance
Reexamination Certificate
2003-06-11
2009-11-17
Augustin, Evens J (Department: 3621)
Data processing: financial, business practice, management, or co
Automated electrical financial or business practice or...
Finance
C380S029000, C380S029000, C380S044000
Reexamination Certificate
active
07620585
ABSTRACT:
In order to give sufficient evidential admissibility to the content of a contract made online, contractual terms data C that shows a character string of contractual terms is prepared and stored by a processor on the side of a transacting party A. The data C is then transmitted to a processor on the side of a transacting party B, and is stored. A hash value ID2 of the contractual terms data C is calculated by the B-side processor, and a signature Sig2of the party B is added and transmitted to the A-side processor as formal contractual proposal information. The signature Sig2is verified by the A-side processor. A coincidence is verified between a hash value ID1 of the data C and the ID2 that has been transmitted. A signature Sig1of the party A is added to a coinciding hash value ID, and is transmitted to the B-side processor as formal contractual acceptance information. The signature Sig1is verified by the B-side processor, and a coincidence is verified between the hash value ID2 and the ID that has been transmitted.
REFERENCES:
patent: 6587837 (2003-07-01), Spagna et al.
patent: 6659861 (2003-12-01), Faris et al.
patent: 6883004 (2005-04-01), Bahl et al.
patent: 6898577 (2005-05-01), Johnson
patent: 7203662 (2007-04-01), Das et al.
patent: 7225333 (2007-05-01), Peinado et al.
patent: 2003/0135464 (2003-07-01), Mourad et al.
Handa Fukio
Yano Yoshihiro
Augustin Evens J
Dai Nippon Printing Co. Ltd.
Kamal Shahid
Ladas and Parry LLP
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