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EUROCRYPT
2009
Springer
14 years 7 months ago
Practical Chosen Ciphertext Secure Encryption from Factoring
We propose a practical public-key encryption scheme whose security against chosen-ciphertext attacks can be reduced in the standard model to the assumption that factoring is intrac...
Dennis Hofheinz, Eike Kiltz
TCC
2004
Springer
131views Cryptology» more  TCC 2004»
14 years 11 days ago
Rerandomizable and Replayable Adaptive Chosen Ciphertext Attack Secure Cryptosystems
Recently Canetti, Krawczyk and Nielsen defined the notion of replayable adaptive chosen ciphertext attack (RCCA) secure encryption. Essentially a cryptosystem that is RCCA secure ...
Jens Groth
INFORMATICALT
2006
105views more  INFORMATICALT 2006»
13 years 7 months ago
Adaptive Chosen Ciphertext Secure Threshold Key Escrow Scheme from Pairing
This paper proposes a threshold key escrow scheme from pairing. It tolerates the passive adversary to access any internal data of corrupted key escrow agents and the active adversa...
Yu Long, Kefei Chen, Shengli Liu
PROVSEC
2009
Springer
14 years 1 months ago
Chosen-Ciphertext Secure RSA-Type Cryptosystems
This paper explains how to design fully secure RSA-type cryptosystems from schemes only secure against passive attacks, in the standard model. We rely on instance-independence assu...
Benoît Chevallier-Mames, Marc Joye
FOCS
1999
IEEE
13 years 11 months ago
Non-Malleable Non-Interactive Zero Knowledge and Adaptive Chosen-Ciphertext Security
We introduce the notion of non-malleable noninteractive zero-knowledge (NIZK) proof systems. We show how to transform any ordinary NIZK proof system into one that has strong non-m...
Amit Sahai