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Recent Patents on Computer Science


ISSN (Print): 2213-2759
ISSN (Online): 1874-4796

Offline E-Payment System Using Proxy Blind Signature Scheme

Author(s): Sattar J. Aboud

Volume 5, Issue 2, 2012

Page: [153 - 162] Pages: 10

DOI: 10.2174/2213275911205020153

Price: $65


In this patent paper, a proxy blind signature scheme typed bilinear pairings is suggested. The proxy blind signature scheme is demonstrated as secure under discrete logarithm problem, decision bilinear Diffie-Hellman scheme and the chosen-target computational Diffie-Hellman in the random oracle model. In reality, users can withdraw and deposit funds from all levels of banks. In this patent we introduced a new e-payment system that uses a new proxy blind signature scheme. We claim that the proposed e-payment system can ensure that e-coins are not forged, real users remain anonymous and over-spending that can be efficiently traced. This scheme demonstrates that the combination of the proxy signature with the blind signature makes the e-payment system more robust and suitable than before. The review also discussed in the relevant patents.

Keywords: Bilinear pairing, chosen-target computational Diffie-Hellman scheme, decision bilinear Diffie-Hellman scheme, discete logarithm problem, e-payment system, offline e-payment system, proxy blind signature, random oracle model, Proxy Blind Verification, Verifiability , Hash Functions

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