2008•Journal of Northwest Normal UniversityRequires access

Cryptanalysis and improvement of an ID-based threshold signcryption scheme

Xuejun Zhang

Abstract

Through the cryptanalysis of an ID-based threshold signcryption scheme from bilinear pairings,it is found that the scheme can not resist forgery attack.An improvement to mend the security leaks is proposed,which overcomes the disadvantages and retains the merits of the original ID-based threshold signcryption scheme.

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Available abstract

Key concepts: Signcryption, Cryptanalysis, Scheme (mathematics), Computer science, Cryptography, Bilinear interpolation, Algorithm, Computer security