177 search results - page 23 / 36 » On the Security of Identity Based Ring Signcryption Schemes |
IJNSEC
2007
13 years 7 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. ...
JMM2
2006
13 years 7 months ago
2006
Abstract-- In general automatic face classification applications images are captured in natural environments. In these cases, the performance is affected by variations in facial im...
CCR
2000
13 years 7 months ago
2000
We propose a zero-knowledge interactive proof based identification and signature scheme. The protocol is based on Euler's totient function and discrete logarithms over the ri...
ACISP
2008
Springer
14 years 1 months ago
2008
Springer
Abstract. We propose a new hybrid protocol for cryptographically secure biometric authentication. The main advantages of the proposed protocol over previous solutions can be summar...
ASIACRYPT
2001
Springer
13 years 11 months ago
2001
Springer
A Zero-knowledge protocol provides provably secure entity authentication based on a hard computational problem. Among many schemes proposed since 1984, the most practical rely on f...