21 search results - page 2 / 5 » Constant Size Ring Signature Without Random Oracle |
EUROCRYPT
2006
Springer
13 years 8 months ago
2006
Springer
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...
PKC
2007
Springer
13 years 11 months ago
2007
Springer
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...
PKC
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...
ISPEC
2009
Springer
13 years 11 months ago
2009
Springer
In this paper, we construct a strongly unforgeable ID-based signature scheme without random oracles.4 The signature size of our scheme is smaller than that of other schemes based o...
EUROCRYPT
1994
Springer
13 years 9 months ago
1994
Springer
Abstract. We construct the first O(1)-size designated confirmer signatures (DCS) with security in the state-of-the-art model of Camenisch and Michels, Eurocrypt 2000, without rando...