ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. It has been recently acknowledged [4, 6, 9] that the use of double bases representations of scalars n, that is an expression of the form n = e,s,t(-1)e As Bt can speed up...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
The group signature scheme [1], ACJT for short, is popular. In this paper we show that it is not secure. It does not satisfy exculpability. The group manager can sign on behalf of ...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
The most efficient collision attacks on members of the SHA family presented so far all use complex characteristics which were manually constructed by Wang et al. In this report, we...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
This paper presents a secure constant-round password-based group key exchange protocol in the common reference string model. Our protocol is based on the group key exchange protoco...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer