White Paper 1: SHA Devices Used in Small Cash Systems

Abstract: This paper describes small cash systems and the use of iButton® SHA devices, specifically, the DS1963S and DS1961S, as the electronically readable tokens in which the cash is stored. Two scenarios are presented. In scenario A, both the tokens and the coprocessor are DS1963S iButtons. In scenario B, the DS1963S functions as coprocessor in a system that uses the DS1961S as tokens or carriers of electronic cash.

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APP 1820:
APPLICATION NOTE 1820,AN1820, AN 1820, APP1820, Appnote1820, Appnote 1820