Title :
Modified cryptographic key assignment scheme for overcoming the incorrectness of the CHW scheme
Author :
Chen, Tzer-Shyong ; Huang, Kuo-Hsuan ; Chung, Yu-Fang
Author_Institution :
Dept. of Inf. Manage., Tunghai Univ., Taichung, Taiwan
Abstract :
Although the improved cryptographic key assignment scheme by Wen et al. resolved the inaccuracy and security leak in the CHW scheme, another kind of security leak was neglected, for which a solution is proposed herein.
Keywords :
cryptography; set theory; cryptographic key assignment scheme; partial order set; predecessor; security leak; successor; user hierarchy; Cryptography; Information management; Information security; Interpolation; National security;
Conference_Titel :
e-Technology, e-Commerce and e-Service, 2004. EEE '04. 2004 IEEE International Conference on
Print_ISBN :
0-7695-2073-1
DOI :
10.1109/EEE.2004.1287367
