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EUROCRYPT
2011
Springer
13 years 2 months ago
Decentralizing Attribute-Based Encryption
We propose a Multi-Authority Attribute-Based Encryption (ABE) system. In our system, any party can become an authority and there is no requirement for any global coordination othe...
Allison B. Lewko, Brent Waters
CANS
2011
Springer
292views Cryptology» more  CANS 2011»
12 years 10 months ago
Breaking Fully-Homomorphic-Encryption Challenges
At EUROCRYPT ’10, van Dijk, Gentry, Halevi and Vaikuntanathan presented simple fully-homomorphic encryption (FHE) schemes based on the hardness of approximate integer common div...
Phong Q. Nguyen
CCS
2011
ACM
12 years 10 months ago
How to break XML encryption
XML Encryption was standardized by W3C in 2002, and is implemented in XML frameworks of major commercial and open-source organizations like Apache, redhat, IBM, and Microsoft. It ...
Tibor Jager, Somorovsky Juraj
IACR
2011
132views more  IACR 2011»
12 years 10 months ago
Tamper-Proof Circuits: How to Trade Leakage for Tamper-Resilience
Abstract. Tampering attacks are cryptanalytic attacks on the implementation of cryptographic algorithms (e.g., smart cards), where an adversary introduces faults with the hope that...
Sebastian Faust, Krzysztof Pietrzak, Daniele Ventu...
IACR
2011
155views more  IACR 2011»
12 years 10 months ago
Terminating BKZ
Strong lattice reduction is the key element for most attacks against lattice-based cryptosystems. Between the strongest but impractical HKZ reduction and the weak but fast LLL redu...
Guillaume Hanrot, Xavier Pujol, Damien Stehl&eacut...