Information technology. Security techniques. Digital signature schemes giving message recovery

2002 ◽  
Keyword(s):  
Information Technology ◽  
Digital Signature ◽  
Signature Schemes ◽  
Information Technology Security ◽  
Message Recovery

scholarly journals Anonymous Payment in a Kiosk Centric Model Using Digital Signature Scheme with Message Recovery and Low Computational Power Devices

2006 ◽  
Vol 1 (2) ◽  
pp. 1-11
Author(s):  
Jesús Isaac ◽  
José Camara ◽  
Antonio Manzanares ◽  
Joaquín Márquez
Keyword(s):  
Public Space ◽  
Digital Signature ◽  
Signature Scheme ◽  
Computational Power ◽  
Power Devices ◽  
Signature Schemes ◽  
The Public ◽  
Message Recovery ◽  
Public Keys ◽  
Digital Signature Scheme

In this paper we present an anonymous protocol for a mobile payment system based on a Kiosk Centric Case Mobile Scenario where the customer cannot communicate with the issuer due to absence of Internet access with her mobile device and the costs of implementing other mechanism of communication between both of them are high. Our protocol protects the real identity of the clients during the purchase and employs a digital signature scheme with message recovery using self-certified public keys that reduces the public space and the communication cost in comparison with the certificate-based signature schemes. Moreover, our proposed protocol requires low computational power that makes it suitable for mobile devices. As a result, our proposal illustrates how a portable device equipped with a short range link (such Bluetooth, Infrared or Wi-Fi) and low computational power should be enough to interact with a vendor machine in order to buy goods or services in a secure way.

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