68 search results - page 2 / 14 » Ring signatures without random oracles |
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...
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...
ICICS
2007
Springer
13 years 11 months ago
2007
Springer
We propose a convertible undeniable signature scheme without random oracles. Our construction is based on the Waters signatures proposed in Eurocrypt 2005. The security of our sche...
ASIACRYPT
2001
Springer
13 years 9 months ago
2001
Springer
In this paper we formalize the notion of a ring signature, which makes it possible to specify a set of possible signers without revealing which member actually produced the signatu...
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-...