39 search results - page 7 / 8 » An Identity-based Ring Signature Scheme from Bilinear Pairin... |
IJNSEC
2007
13 years 5 months ago
2007
In 2004, Libert and Quisquater proposed an identity based undeniable signature scheme using pairings over elliptic curves. In this article, we show that the scheme is not secure. ...
ISCI
2008
13 years 5 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...
CIS
2005
Springer
13 years 10 months 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...
CTRSA
2007
Springer
13 years 7 months ago
2007
Springer
Abstract. Known compact e-cash schemes are constructed from signature schemes with efficient protocols and verifiable random functions. In this paper, we introduce a different ap...
ISCI
2008
13 years 5 months ago
2008
Directed signature scheme allows only a designated verifier to check the validity of the signature issued to him; and at the time of trouble or if necessary, any third party can v...