139 search results - page 7 / 28 » On the Security of Two Key-Updating Signature Schemes |
ASIACRYPT
2001
Springer
13 years 12 months ago
2001
Springer
Threshold cryptosystems and signature schemes give ways to distribute trust throughout a group and increase the availability of cryptographic systems. A standard approach in design...
ASIACRYPT
2006
Springer
13 years 11 months ago
2006
Springer
In this paper, we propose a new approach for constructing selectively convertible undeniable signature schemes, and present two efficient schemes based on RSA. Our approach allows ...
CCS
2001
ACM
13 years 12 months ago
2001
ACM
A group signature scheme allows a group member to sign messages anonymously on behalf of the group, while in case of a dispute, a designated entity can reveal the identity of a si...
EUROCRYPT
2005
Springer
14 years 28 days ago
2005
Springer
In undeniable signature schemes, zero-knowledgeness and non-transferability have been identified so far. In this paper, by separating these two notions, we show the first 3-move ...
CIS
2005
Springer
14 years 28 days ago
2005
Springer
Restrictive blind signatures allow a recipient to receive a blind signature on a message not known to the signer but the choice of message is restricted and must conform to certain...