Registers – Systems controlled by data bearing records – Banking systems
Patent
1986-01-21
1987-04-07
Trafton, David L.
Registers
Systems controlled by data bearing records
Banking systems
235380, 235492, G06F 1530
Patent
active
046563423
ABSTRACT:
The invention relates to a method and an apparatus for authorizing the holder of a portable object such as a card to gain access with this card to at least one service provided by at least one authorizing entity. According to the invention, the method enables the holder of a card C to become authorized to have access to a particular service by causing an authorizing datum to be written on his card C by an authorizing system T, causing the calculation by both the card C and the system of a result taking into account at least one secret datum S, comparing in a comparator CC of the card the results calculated, and validating the authorizing datum if the results are identical.
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Cii Honeywell Bull(Societe Anonyme)
Trafton David L.
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