Method of securely storing and retrieving monetary data

Details Method of securely storing and retrieving monetary data Method of securely storing and retrieving monetary data

1997-02-12

1999-12-21

Lee, Michael G

Registers

Systems controlled by data bearing records

Banking systems

235380, 380 24, 902 26, G06F 1760

Patent

active

060037644

ABSTRACT:
A method of securely storing and retrieving monetary values, such as electronic checks and electronic coins. In an interactive protocol between an issuer (e.g., a bank terminal) and a recipient (e.g., a smart card) of electronic money, authentication values (A, B, . . .) are produced by the issuer and are stored in an external storage device (e.g., an electronic wallet). At a later stage, the protocol is repeated between the recipient and the storage to securely retrieve the stored authentication values.

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