117 search results - page 5 / 24 » Short Group Signature Without Random Oracles |
ASIACRYPT
2010
Springer
13 years 5 months ago
2010
Springer
Group signature schemes allow users to sign messages on behalf of a group while (1) maintaining anonymity (within that group) with respect to an observer, yet (2) ensuring traceab...
PQCRYPTO
2010
13 years 11 months ago
2010
Abstract. We propose a variant of the “bonsai tree” signature scheme, a latticebased existentially unforgeable signature scheme in the standard model. Our construction offers ...
PKC
2007
Springer
14 years 1 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...
IJSN
2006
13 years 7 months ago
2006
In this paper, we propose a new signature scheme that is existentially unforgeable under a chosen message attack without random oracle. The security of our scheme depends on a new ...
IJNSEC
2011
13 years 2 months ago
2011
Since Al-Riyami and Paterson presented certificateless cryptography, many certificateless schemes have been proposed for different purposes. In this paper, we present a certificate...