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公开(公告)号：DE19702049C1
公开(公告)日：1998-05-14
申请号：DE19702049
申请日：1997-01-22
Applicant: IBM
Inventor： DEINDL MICHAEL , HAENEL WALTER DIPL PHYS , SCHAAL ALBERT DIPL ING
Abstract: The certification method involves using a certification key which is transferred to a chipcard. The certification incorporates a cryptographic key and a digital signature which is verified via the certification key provided by the card. The first part of the certification can be provided by an electronic finger pressure, with which the digital signature converted using the certification key is compared.
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