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ACMSE
2009
ACM
13 years 7 months ago
A secure unidirectional proxy re-encryption using identity and secret key exchange
Proxy re-encryption, abbreviated as PRE, is a cryptosystem which allows the proxy to re-encrypt a cirphertext without accessing the underlying message. The re-encryption protocol ...
Edna Milgo
IJACTAICIT
2010
361views more  IJACTAICIT 2010»
13 years 7 months ago
A Proposed Technique for Information Hiding Based on DCT
The aim of this work is to design an algorithm which combines between steganography and cryptography that can hide a text in an image in a way that prevents, as much as possible, ...
Fadhil Salman Abed, Nada Abdul Aziz Mustafa
JCST
2010
147views more  JCST 2010»
13 years 4 months ago
A Multi-Key Pirate Decoder Against Traitor Tracing Schemes
In this paper we introduce an architecture for a multi-key pirate decoder which employs decryption keys from multiple traitors. The decoder has built-in monitoring and self protect...
Yongdong Wu, Robert H. Deng
PKC
2009
Springer
172views Cryptology» more  PKC 2009»
14 years 10 months ago
CCA-Secure Proxy Re-encryption without Pairings
ded abstract of this paper appears in PKC 2009, S. Jarecki, G. Tsudik (Eds.), volume 5443 of LNCS, pp. 357-376, Sringer-Verlag, 2009. CCA-Secure Proxy Re-Encryption without Pairing...
Jun Shao, Zhenfu Cao
ASIACRYPT
2009
Springer
14 years 4 months ago
Smooth Projective Hashing and Password-Based Authenticated Key Exchange from Lattices
Abstract. We describe a public-key encryption scheme based on lattices — specifically, based on the hardness of the learning with error (LWE) problem — that is secure against ...
Jonathan Katz, Vinod Vaikuntanathan