2011•Computer Systems and ApplicationsRequires access

New ID-Based(t,n) Threshold Signcryption Scheme

Chun Zhu

Abstract

Against the shortage of low efficiency of the existing threshold signcryption scheme and the key escrow in the id-based cryptosystem,a new identity-based(t,n) threshold signature encryption scheme is proposed from bilinear pairings.Our scheme can resist the private key generator to entrap through the introduction of secret information of the signcryptioner.Our scheme is more efficient and practical than the existing scheme.

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Key concepts: Signcryption, Computer science, Cryptosystem, Scheme (mathematics), Key escrow, Encryption, Public-key cryptography, Computer security