Sciweavers

19 search results - page 1 / 4
» Ring Signatures of Sub-linear Size Without Random Oracles
Sort
View
ICALP
2007
Springer
13 years 10 months ago
Ring Signatures of Sub-linear Size Without Random Oracles
Ring signatures, introduced by Rivest, Shamir and Tauman, enable a user to sign a message anonymously on behalf of a “ring”. A ring is a group of users, which includes the sign...
Nishanth Chandran, Jens Groth, Amit Sahai
CCS
2006
ACM
13 years 8 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...
EUROCRYPT
2006
Springer
13 years 8 months ago
Compact Group Signatures Without Random Oracles
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...
Xavier Boyen, Brent Waters
EUROCRYPT
2007
Springer
13 years 10 months ago
Mesh Signatures
sion of an extended abstract to be published in Advances in Cryptology—EUROCRYPT 2007, Springer-Verlag, 2007. Available online from the IACR Cryptology ePrint Archive as Report 2...
Xavier Boyen
PKC
2007
Springer
129views Cryptology» more  PKC 2007»
13 years 10 months ago
Two-Tier Signatures, Strongly Unforgeable Signatures, and Fiat-Shamir Without Random Oracles
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
Mihir Bellare, Sarah Shoup