EP 1041481 A2 20001004 - Data interchange method and system
Title (en)
Data interchange method and system
Title (de)
System und Verfahren zum Austausch von Daten
Title (fr)
Système et méthode d'échange de données
Publication
Application
Priority
JP 9127399 A 19990331
Abstract (en)
Data interchange method and apparatus for enabling an interchange of digital data which is performed among a plurality of parties (10, 20, 30, 40) to be executed without intervening a center system or the like as a third party while assuring the contents of the digital data. When data is transmitted between two parties who transmit and receive the data, a right assignor of the data makes his own digital signature, assures the contents of the data, and transmits the data. A right assignee of the data confirms the contents of the data and the right assignor, subsequently makes his digital signature to the data, and transmits the data to the right assignor. The right assignor checks the data assignee, makes his own digital signature to the data and transfers the right of the data to the assignee, thereby executing the interchange of the data between the two parties. <IMAGE>
IPC 1-7
IPC 8 full level
G06F 1/00 (2006.01); G06F 12/14 (2006.01); G06F 19/00 (2006.01); G06F 21/10 (2013.01); G06F 21/24 (2006.01); G06F 21/64 (2013.01); G06Q 10/00 (2006.01); G06Q 10/10 (2012.01); G06Q 40/00 (2006.01); G06Q 40/02 (2012.01); G06Q 40/04 (2012.01); G06Q 50/00 (2006.01); G06Q 99/00 (2006.01); G09C 1/00 (2006.01)
CPC (source: EP)
G06Q 99/00 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1041481 A2 20001004; JP 2000285186 A 20001013; SG 100614 A1 20031226
DOCDB simple family (application)
EP 00104285 A 20000301; JP 9127399 A 19990331; SG 200001154 A 20000302