Cryptology ePrint Archive: Report 2006/031

On a Variation of Kurosawa-Desmedt Encryption Scheme

Le Trieu Phong and Wakaha Ogata

Abstract: Kurosawa-Desmedt encryption scheme is a variation of Cramer-Shoup encryption schemes, which are the first practical schemes secure against adaptive chosen ciphertext attack in standard model. We introduce a variant of Kurosawa-Desmedt encryption scheme, which is not only secure against adaptive chosen ciphertext attack but also slightly more efficient than the original version.

Category / Keywords: public-key cryptography / Hybrid Encryption

Date: received 25 Jan 2006

Contact author: letrieu letrieuphong at gmail com

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Version: 20060127:181547 (All versions of this report)

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