Cryptology ePrint Archive: Report 1998/006

A Practical Public Key Cryptosystem Provably Secure against Adaptive Chosen Ciphertext Attack

Ronald Cramer and Victor Shoup

Abstract: A new public key cryptosystem is presented that is provably secure against adaptive chosen ciphertext attack. The scheme is quite practical, and the proof of security relies only on standard intractability assumptions.

Category / Keywords: public key encryption, adaptive chosen ciphertext attack.

Publication Info: Appeared in the THEORY OF CRYPTOGRAPHY LIBRARY and has been included in the ePrint Archive.

Date: received March 4th, 1998.

Contact author: sho at zurich ibm com

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