C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
352/52
C07F 7/10 (2006.01) G06F 12/14 (2006.01) G06K 19/02 (2006.01) G07F 7/10 (2006.01)
Patent
CA 1237194
Abstract of the Disclosure A plurality of secret data for identifying IC cards is stored in a memory which is provided in an IC circuit incorporated in the IC card. When an IC card is supplied to an issuer from a manufacturer, a sealed sheet on which a production master key (PMK) data is printed is separately sent to the issuer from the manufacturer. The PMK data printed on the sealed sheet is supplied to the IC card to be compared with a PMK data stored therein. The entrance of a primary account number (PAN) data to the IC card is allowed only when a coincidence signal is obtained. An initialization personal identification number (IPIN) data is printed on a sealed sheet which is separately sent to a card holder from the issuer. At the card holder's stage, the IPIM data and an IPIN data stored in the IC card are compared with each other. The registration of the personal identification number to the IC card may be performed only when a coincidence signal is obtained.
487895
Casio Computer Co. Ltd.
Ridout & Maybee Llp
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