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CTRSA
2006
Springer
176views Cryptology» more  CTRSA 2006»
14 years 1 months ago
Chosen Ciphertext Secure Public Key Threshold Encryption Without Random Oracles
Abstract. We present a non-interactive chosen ciphertext secure threshold encryption system. The proof of security is set in the standard model and does not use random oracles. Our...
Dan Boneh, Xavier Boyen, Shai Halevi
AML
2010
88views more  AML 2010»
13 years 10 months ago
Relativized Schnorr tests with universal behavior
A Schnorr test relative to some oracle A may informally be called "universal" if it covers all Schnorr tests. Since no true universal Schnorr test exists, such an A cann...
Nicholas Rupprecht
COCO
2003
Springer
135views Algorithms» more  COCO 2003»
14 years 3 months ago
Disjoint NP-Pairs
We study the question of whether the class DisjNP of disjoint pairs (A, B) of NP-sets contains a complete pair. The question relates to the question of whether optimal proof system...
Christian Glaßer, Alan L. Selman, Samik Seng...
CCS
2006
ACM
14 years 1 months ago
Ring signatures without random oracles
Since the formalization of ring signature by Rivest, Shamir and Tauman in 2001, there are lots of variations appeared in the literature. Almost all of the variations rely on the ra...
Sherman S. M. Chow, Victor K.-W. Wei, Joseph K. Li...
SIAMCOMP
2000
106views more  SIAMCOMP 2000»
13 years 9 months ago
Computationally Sound Proofs
This paper puts forward a new notion of a proof based on computational complexity and explores its implications for computation at large. Computationally sound proofs provide, in a...
Silvio Micali