Modified cryptographic key assignment scheme for overcoming the incorrectness of the CHW scheme

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摘要

Although the improved cryptographic key assignment scheme [IEE Proc. Commun. 148 (4) (2001) 260] resolved the inaccuracy and security leak in the CHW scheme, another kind of security leak was neglected, for which a solution is proposed herein.

论文关键词：Cryptographic key assignment scheme,Predecessor,Successor,User hierarchy,Partial order set

论文评审过程：Available online 3 December 2003.

论文官网地址：https://doi.org/10.1016/j.amc.2003.10.034