iKP - the Internet Keypad Payments protocol family - defines an architecture for secure account-based (e.g., credit card) payments over the Internet or similar open network environments. This document presents a version of iKP evolved from the one described in [2]. The main purpose of this document is to communicate technical information. Prior knowledge of iKP concepts and basic design principles is highly recommended. Readers unfamiliar with iKP are referred to the general iKP paper [1] and earlier version of the (expired) Internet Draft [2]. Furthermore, this document is concerned only with the iKP protocol particulars. Higher-layer (iKP Transaction Layer) software is discussed elsewhere [3].
By: G. Tsudik
Published in: RZ2792 in 1996
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