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INFORMATICALT
2006
105views more  INFORMATICALT 2006»
13 years 10 months ago
Adaptive Chosen Ciphertext Secure Threshold Key Escrow Scheme from Pairing
This paper proposes a threshold key escrow scheme from pairing. It tolerates the passive adversary to access any internal data of corrupted key escrow agents and the active adversa...
Yu Long, Kefei Chen, Shengli Liu
CIE
2008
Springer
13 years 12 months ago
Succinct NP Proofs from an Extractability Assumption
Abstract We prove, using a non-standard complexity assumption, that any language in NP has a 1-round (that is, the verifier sends a message to the prover, and the prover sends a me...
Giovanni Di Crescenzo, Helger Lipmaa
INFOCOM
2008
IEEE
14 years 4 months ago
A Practical and Flexible Key Management Mechanism For Trusted Collaborative Computing
—Trusted Collaborative Computing (TCC) is a new research and application paradigm. Two important challenges in such a context are represented by secure information transmission a...
Xukai Zou, Yuan-Shun Dai, Elisa Bertino
CCS
2011
ACM
12 years 10 months ago
Cirripede: circumvention infrastructure using router redirection with plausible deniability
Many users face surveillance of their Internet communications and a significant fraction suffer from outright blocking of certain destinations. Anonymous communication systems a...
Amir Houmansadr, Giang T. K. Nguyen, Matthew Caesa...
TCC
2004
Springer
105views Cryptology» more  TCC 2004»
14 years 3 months ago
Unfair Noisy Channels and Oblivious Transfer
In a paper from EuroCrypt’99, Damg˚ard, Kilian and Salvail show various positive and negative results on constructing Bit Commitment (BC) and Oblivious Transfer (OT) from Unfair...
Ivan Damgård, Serge Fehr, Kirill Morozov, Lo...