139 search results - page 4 / 28 » On the Security of Two Key-Updating Signature Schemes |
INDOCRYPT
2004
Springer
14 years 23 days ago
2004
Springer
A ring signature scheme is a group signature scheme with no group manager to setup a group or revoke a signer. A linkable ring signature, introduced by Liu, et al. [20], additional...
ACNS
2005
Springer
14 years 29 days ago
2005
Springer
Amongst provably secure signature schemes, two distinct classes are of particular interest: the ones with tight reduction (e.g., RSA-PSS), and those which support the use of coupon...
ICICS
2003
Springer
14 years 18 days ago
2003
Springer
A group signature scheme allows a group member of a given group to sign messages on behalf of the group in an anonymous and unlinkable fashion. In case of a dispute, however, a des...
ACNS
2008
Springer
14 years 1 months ago
2008
Springer
We describe two new paradigms on how to obtain ordinary signatures that are secure against existential forgery under adaptively chosen message attacks (fully-secure, in short), fro...
ISCI
2008
13 years 7 months ago
2008
In this paper, we present the first certificateless undeniable signature scheme. The scheme does not suffer from the key escrow problem, which is inherent in identity based crypto...