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A proposed CCA-secure encryption on an ElGamal variant


Citation

Asbullah, Muhammad Asyraf and Kamel Ariffin, Muhammad Rezal (2012) A proposed CCA-secure encryption on an ElGamal variant. In: 7th International Conference on Computing and Convergence Technology (ICCCT 2012), 3-5 Dec. 2012, Seoul, Korea. (pp. 499-503).

Abstract / Synopsis

This paper proposes a variant of the ElGamal public key cryptosystem which is secure against chosen ciphertext attack. Our proof of security is based on the intractability of the Gap Hashed Diffie-Hellman assumption in the standard model. The proposed scheme is practical to encrypt short messages such as credit card information, PIN code etc. This scheme also preserves the computational performance of the hash ElGamal encryption scheme (i.e. its simplistic algebraic construction, less exponentiation cost).


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Science
Institute for Mathematical Research
Publisher: IEEE
Keywords: Chosen ciphertext security; ElGamal encryption scheme; Gap hashed Diffie-Hellman problem
Depositing User: Nabilah Mustapa
Date Deposited: 14 Jul 2016 17:33
Last Modified: 14 Jul 2016 17:33
URI: http://psasir.upm.edu.my/id/eprint/47744
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