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《Chinese Journal of Luminescence》 2015-01
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Realization of Additional Security Protection on Elementary Arithmetic Mimicked by Fluorescein

LI Peng;FAN Yi;GAO Jie;LI Bin;ZHANG Li-ming;State Key Laboratory of Luminescence and Applications,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences;University of Chinese Academy of Sciences;  
A fluorescein derivative named fluorescein hydrizido 4-imidophenol(FHP) has been designed to build a molecular logic device. The device is composed of two parts: lock-part and calculate-part. In this derivative,fluorescein is reffered to as calculate-part owing to it was previously adopted to mimic calculator. And the rest portion of this derivative is reffered to as lock-part. The operational principle of this device is that if input combination is optimal,calculate-part fluorescein is released and ready for calculating; if not,calculate-part remains locked. It effectively improves the security of calculator simulated by molecular logic. In addition,lock-part will be totally destroyed like self-distruction under a special input combination,resulting in that calculate-part can not be unlocked at all events. Hence,it is more sufficient to make brute-force attack on this device unrealistic.
【Fund】: 国家自然科学基金(51172224 51103145 51372240);; 吉林省科技发展计划(20100533 201201009)资助项目
【CateGory Index】: O621.13
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