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ELECTRONIC SIGNATURE DOCUMENT WARRANTING METHOD, ELECTRONIC SIGNATURE DOCUMENT WARRANTING SYSTEM, AND ELECTRONIC SIGNATURE DOCUMENT WARRANTING PROGRAM
ELECTRONIC SIGNATURE DOCUMENT WARRANTING METHOD, ELECTRONIC SIGNATURE DOCUMENT WARRANTING SYSTEM, AND ELECTRONIC SIGNATURE DOCUMENT WARRANTING PROGRAM
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机译:电子签名文档保证方法,电子签名文档保证系统和电子签名文档保证程序
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摘要
PROBLEM TO BE SOLVED: To provide an electronic signature document warranting method, an electronic signature document warranting system, and an electronic signature document warranting program capable of warranting a signed document even when a signature key is disclosed.;SOLUTION: In the electronic signature document warranting system for warranting an electronic signature signed by a signature algorithm that is open to public, a signature generating terminal 11, a signature verification terminal 12, and a deposit server 13 make a signature with a plurality of different signature keys from each other by using a confidential signature algorithm.;COPYRIGHT: (C)2004,JPO
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