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1. (WO2001033521) PREVENTION OF REPRODUCTION OF SECRETS ON A CHIP CARD

Pub. No.:    WO/2001/033521    International Application No.:    PCT/EP2000/010853
Publication Date: Fri May 11 01:59:59 CEST 2001 International Filing Date: Sat Nov 04 00:59:59 CET 2000
IPC: G07F 7/10
Applicants: BETA RESEARCH GMBH
FRÖHLICH, Hans-Hermann
TÜCKE, Peter
LÖHMANN, Ekkehard
Inventors: FRÖHLICH, Hans-Hermann
TÜCKE, Peter
LÖHMANN, Ekkehard
Title: PREVENTION OF REPRODUCTION OF SECRETS ON A CHIP CARD
Abstract:
The invention relates to chip cards (SC), comprising a carrier element and a chip, whereby the chip comprises an I/O interface (i/o), a memory unit for storing a secret (G) and a coding function (V) for encoding data (D) transferred to the chip card to form the secret (G).