Cryptology ePrint Archive: Report 2009/464

On Key Authentic Degree of Cryptosystem

WANG Yong, WANG Huangdeng

Abstract: Against such attacks as rubber-hose attack, key authentic degree of cryptosystem is expatiated in detail, and the important significance of key authentic degree of cryptosystem is pointed out. And the key authentic degrees of modern cryptosystem under different conditions are given. Research shows that under most realistic situations, the key authentic degree of modern cryptosystem is high, this means that modern cryptosystem is threatened by such as rubber-hose attack and so on. Feasibility of low key authentic degree reliability is analyzed, and the implementing of low key authentic degree algorithm is studied.

Category / Keywords: probability; rubber-hose; redundancy; cryptology

Date: received 20 Sep 2009

Contact author: hellowy at 126 com

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Version: 20090920:205417 (All versions of this report)

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