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CCS
2006
ACM
15 years 10 months ago
Hot or not: revealing hidden services by their clock skew
Location-hidden services, as offered by anonymity systems such as Tor, allow servers to be operated under a pseudonym. As Tor is an overlay network, servers hosting hidden service...
Steven J. Murdoch
CRYPTO
2010
Springer
162views Cryptology» more  CRYPTO 2010»
15 years 6 months ago
On Strong Simulation and Composable Point Obfuscation
The Virtual Black Box (VBB) property for program obfuscators provides a strong guarantee: Anything computable by an efficient adversary given the obfuscated program can also be co...
Nir Bitansky, Ran Canetti
IMA
2007
Springer
132views Cryptology» more  IMA 2007»
16 years 22 days ago
New Branch Prediction Vulnerabilities in OpenSSL and Necessary Software Countermeasures
Abstract. Software based side-channel attacks allow an unprivileged spy process to extract secret information from a victim (cryptosystem) process by exploiting some indirect leaka...
Onur Aciiçmez, Shay Gueron, Jean-Pierre Sei...
ACNS
2006
Springer
87views Cryptology» more  ACNS 2006»
15 years 10 months ago
Effect of Malicious Synchronization
Abstract. We study the impact of malicious synchronization on computer systems that serve customers periodically. Systems supporting automatic periodic updates are common in web se...
Mun Choon Chan, Ee-Chien Chang, Liming Lu, Peng So...
STOC
2006
ACM
116views Algorithms» more  STOC 2006»
16 years 16 days ago
Information-theoretically secure protocols and security under composition
We investigate the question of whether security of protocols in the information-theoretic setting (where the adversary is computationally unbounded) implies the security of these ...
Eyal Kushilevitz, Yehuda Lindell, Tal Rabin