Sciweavers

51 search results - page 4 / 11
» The Random Oracle Model and the Ideal Cipher Model Are Equiv...
Sort
View
PKC
2007
Springer
189views Cryptology» more  PKC 2007»
14 years 2 months ago
Parallel Key-Insulated Public Key Encryption Without Random Oracles
Abstract. Key-insulated cryptography is a crucial technique for protecting private keys. To strengthen the security of key-insulated protocols, Hanaoka, Hanaoka and Imai recently i...
Benoît Libert, Jean-Jacques Quisquater, Moti...
DCC
2008
IEEE
14 years 8 months ago
A synthetic indifferentiability analysis of some block-cipher-based hash functions
At ASIACRYPT 2006, Chang et al. analyzed the indifferentiability of some popular hash functions based on block ciphers, namely, the twenty collision resistant PGV, the MDC2 and th...
Zheng Gong, Xuejia Lai, Kefei Chen
SACRYPT
2004
Springer
143views Cryptology» more  SACRYPT 2004»
14 years 1 months ago
Blockwise Adversarial Model for On-line Ciphers and Symmetric Encryption Schemes
Abstract. This paper formalizes the security adversarial games for online symmetric cryptosystems in a unified framework for deterministic and probabilistic encryption schemes. On...
Pierre-Alain Fouque, Antoine Joux, Guillaume Poupa...
ASIACRYPT
2010
Springer
13 years 6 months ago
Random Oracles with(out) Programmability
This paper investigates the Random Oracle Model (ROM) feature known as programmability, which allows security reductions in the ROM to dynamically choose the range points of an ide...
Marc Fischlin, Anja Lehmann, Thomas Ristenpart, Th...
ASIACRYPT
2009
Springer
14 years 3 months ago
Simple Adaptive Oblivious Transfer without Random Oracle
Adaptive oblivious transfer (adaptive OT) schemes have wide applications such as oblivious database searches, secure multiparty computation and etc. It is a two-party protocol whic...
Kaoru Kurosawa, Ryo Nojima