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Maxim Digital Monetary Certificates


关键词: digital certificates, SHA-1, mac, challenge, response, monetary, ecash, e-cash, monetary, certificate, certificates, eCertificate, authentication, vending, fare, tollbooths, meters, bill changers, DS1963S 


Abstract: This application note describes how monetary value can be represented and stored in iButton® data carriers (tokens). The document defines a digital certificate called a "Maxim Digital Monetary Certificate" (a.k.a., "eCertificate"), and describes the certificate's various components. It suggests use of the eCertificate for electronic monetary transaction systems, such as vending, fare collection, tollbooths, meter reading, bill changer systems, etc. 



 Maxim Digital Monetary Certificates.pdf