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ASIACRYPT
2008
Springer
14 years 1 months ago
Efficient Chosen Ciphertext Secure Public Key Encryption under the Computational Diffie-Hellman Assumption
Recently Cash, Kiltz, and Shoup [20] showed a variant of the Cramer-Shoup (CS) public key encryption (PKE) scheme [21] whose chosen-ciphertext (CCA) security relies on the computa...
Goichiro Hanaoka, Kaoru Kurosawa
EUROCRYPT
2004
Springer
14 years 3 months ago
Secure Hashed Diffie-Hellman over Non-DDH Groups
We show that in applications that use the Diffie-Hellman (DH) transform but take care of hashing the DH output (as required, for example, for secure DH-based encryption and key ex...
Rosario Gennaro, Hugo Krawczyk, Tal Rabin