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ACNS
2009
Springer
158views Cryptology» more  ACNS 2009»
13 years 12 months ago
A New Variant of the Cramer-Shoup KEM Secure against Chosen Ciphertext Attack
We propose a new variant of the Cramer-Shoup KEM (key encapsulation mechanism). The proposed variant is more efficient than the original Cramer-Shoup KEM scheme in terms of public...
Joonsang Baek, Willy Susilo, Joseph K. Liu, Jianyi...
EUROCRYPT
2009
Springer
14 years 6 months ago
A Public Key Encryption Scheme Secure against Key Dependent Chosen Plaintext and Adaptive Chosen Ciphertext Attacks
Recently, at Crypto 2008, Boneh, Halevi, Hamburg, and Ostrovsky (BHHO) solved the longstanding open problem of "circular encryption," by presenting a public key encrypti...
Jan Camenisch, Nishanth Chandran, Victor Shoup
EUROCRYPT
2000
Springer
13 years 9 months ago
Using Hash Functions as a Hedge against Chosen Ciphertext Attack
The cryptosystem recently proposed by Cramer and Shoup [CS98] is a practical public key cryptosystem that is secure against adaptive chosen ciphertext attack provided the Decision...
Victor Shoup
CRYPTO
2000
Springer
175views Cryptology» more  CRYPTO 2000»
13 years 9 months ago
A Chosen-Ciphertext Attack against NTRU
We present a chosen-ciphertext attack against the public key cryptosystem called NTRU. This cryptosystem is based on polynomial algebra. Its security comes from the interaction of ...
Éliane Jaulmes, Antoine Joux
ASIACRYPT
2001
Springer
13 years 10 months ago
Threshold Cryptosystems Secure against Chosen-Ciphertext Attacks
Abstract. Semantic security against chosen-ciphertext attacks (INDCCA) is widely believed as the correct security level for public-key encryption scheme. On the other hand, it is o...
Pierre-Alain Fouque, David Pointcheval