Cryptology ePrint Archive: Report 2006/134

Identity Based Strong Designated Verifier Signature Scheme

K. Phani Kumar and G. Shailaja and Ashutosh Saxena

Abstract: Identity based cryptosystem simplifies the key management and revocation problem. Here we propose an Identity Based Strong Designated Verifier Signature (IBSDVS) scheme using bilinear pairings. The Designated Verifier Signature scheme described in [10] is identity based but it suffers from the deligatability as pointed out in [4]. We analyse the security of the scheme and show that the problem of delegatability does not exist in our scheme.

Category / Keywords: public-key cryptography / digital signature, public-key cryptography.

Date: received 3 Apr 2006, last revised 20 Apr 2006

Contact author: asaxena at idrbt ac in

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Version: 20060420:065507 (All versions of this report)

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