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» Secure Pseudonymous Channels
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FOCS
2006
IEEE
15 years 5 months ago
Cryptography from Anonymity
There is a vast body of work on implementing anonymous communication. In this paper, we study the possibility of using anonymous communication as a building block, and show that o...
Yuval Ishai, Eyal Kushilevitz, Rafail Ostrovsky, A...
APPROX
2011
Springer
272views Algorithms» more  APPROX 2011»
13 years 11 months ago
Public Key Locally Decodable Codes with Short Keys
This work considers locally decodable codes in the computationally bounded channel model. The computationally bounded channel model, introduced by Lipton in 1994, views the channe...
Brett Hemenway, Rafail Ostrovsky, Martin J. Straus...
CRYPTO
2005
Springer
137views Cryptology» more  CRYPTO 2005»
15 years 5 months ago
A Formal Treatment of Onion Routing
Anonymous channels are necessary for a multitude of privacy-protecting protocols. Onion routing is probably the best known way to achieve anonymity in practice. However, the crypto...
Jan Camenisch, Anna Lysyanskaya
EUROCRYPT
2004
Springer
15 years 5 months ago
Multi-party Computation with Hybrid Security
It is well-known that n players connected only by pairwise secure channels can achieve multi-party computation secure against an active adversary if and only if – t < n/2 of t...
Matthias Fitzi, Thomas Holenstein, Jürg Wulls...
IEEEIA
2009
14 years 9 months ago
Information Leakage Detection in Distributed Systems using Software Agent
Covert channel attacks utilize shared resources to indirectly transmit sensitive information to unauthorized parties. Current security mechanisms such as SELinux rely on tagging th...
Yung-Chuan Lee, Stephen Bishop, Hamed Okhravi, Sha...