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Easy come-easy go divisible cash

Description: Recently, there has been an interest in making electronic cash protocols more practical for electronic commerce by developing e-cash which is divisible (e.g., a coin which can be spent incrementally but total purchases are limited to the monetary value of the coin). In Crypto`95, T. Okamoto presented the first practical divisible, untraceable, off-line e-cash scheme, which requires only O(log N) computations for each of the withdrawal, payment and deposit procedures, where N = (total coin value… more
Date: October 16, 1996
Creator: Chan, A.; Tsiounis, Y. & Frankel, Y.
Partner: UNT Libraries Government Documents Department
open access

On enabling secure applications through off-line biometric identification

Description: In developing secure applications and systems, the designers often must incorporate secure user identification in the design specification. In this paper, the authors study secure off line authenticated user identification schemes based on a biometric system that can measure a user`s biometric accurately (up to some Hamming distance). The schemes presented here enhance identification and authorization in secure applications by binding a biometric template with authorization information on a tok… more
Date: April 1, 1998
Creator: Davida, G.I.; Frankel, Y. & Matt, B.J.
Partner: UNT Libraries Government Documents Department
open access

A key management concept for the CTBT International Monitoring System

Description: Cryptographic authentication (commonly referred to as ``technical authentication`` in Working Group B) is an enabling technology which ensures the integrity of sensor data and security of digital networks under various data security compromise scenarios. The use of cryptographic authentication,however, implies the development of a key management infrastructure for establishing trust in the generation and distribution of cryptographic keys. This paper proposes security and operational requiremen… more
Date: August 1, 1997
Creator: Herrington, P.; Draelos, T.; Craft, R.; Brickell, E.; Frankel, Y. & Silvestri, M.
Partner: UNT Libraries Government Documents Department
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