Cryptology ePrint Archive: Report 2009/193

Generalization of Barreto et al ID based Signcryption Scheme

Sunder Lal and Prashant Kushwah

Abstract: This paper presents an efficient and provable secure identity based generalized signcryption scheme based on [1] which can work as signcryption scheme, encryption scheme and signature scheme as per need. Its security is proved under the difficulty of q-BDHIP. A generalized signcryption scheme in multiple PKGs environment is also proposed.

Category / Keywords: public-key cryptography / ID based signcryption, generalized signcryption and multiple PKGs environment.

Date: received 5 May 2009

Contact author: sunder_lal2 at rediffmail com, pra ibs@gmail com

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Version: 20090506:020351 (All versions of this report)

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