122 search results - page 1 / 25 » Practical Threshold Signatures Without Random Oracles |
PROVSEC
2007
Springer
13 years 10 months ago
2007
Springer
We propose a secure threshold signature scheme without trusted dealer. Our construction is based on the recently proposed signature scheme of Waters in EUROCRYPT’05. The new thre...
AFRICACRYPT
2010
Springer
13 years 11 months ago
2010
Springer
A fair blind signature is a blind signature with revocable anonymity and unlinkability, i.e., an authority can link an issuing session to the resulting signature and trace a signat...
ASIACRYPT
2007
Springer
13 years 10 months ago
2007
Springer
We construct a new group signature scheme using bilinear groups. The group signature scheme is practical, both keys and group signatures consist of a constant number of group elem...
DAM
2006
13 years 4 months ago
2006
We propose the concept of fine-grained forward-secure signature schemes. Such signature schemes not only provide non-repudiation w.r.t. past time periods the way ordinary forward-...
EUROCRYPT
2006
Springer
13 years 8 months ago
2006
Springer
We present the first aggregate signature, the first multisignature, and the first verifiably encrypted signature provably secure without random oracles. Our constructions derive f...