Cryptology ePrint Archive: Report 2007/316

SECURITY PROOF FOR SHENGBAO WANG’S IDENTITY-BASED ENCRYPTION SCHEME

Sunder Lal and Priyam Sharma

Abstract: This paper analyzes the security of an IBE scheme proposed by Wang in 2007. It is shown that under BDHP (which is polynomially time equivalent to BIDHP) assumption the scheme is secure in random oracle model.

Category / Keywords: public-key cryptography /

Date: received 14 Aug 2007, last revised 23 Aug 2007

Contact author: sunder_lal2 at rediffmail com, priyam_sharma ibs@rediffmail com

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Version: 20070823:104117 (All versions of this report)

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