Cryptology ePrint Archive: Report 2009/271

Reducing the Ciphertext Size of Dolev-Dwork-Naor like Public Key Cryptosystems

Rafael Dowsley and Goichiro Hanaoka and Hideki Imai and Anderson C. A. Nascimento

Abstract: We show a method for compressing the ciphertext and reducing the computational cost of the Dolev-Dwork-Naor cryptosystem and related schemes without changing their other parameters nor reducing the original security levels.

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Date: received 8 Jun 2009

Contact author: rafaeldowsley at redes unb br

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Version: 20090609:145419 (All versions of this report)

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