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PKC
2001
Springer
14 years 1 months ago
2001
Springer
This paper introduces a novel class of computational problems, the gap problems, which can be considered as a dual to the class of the decision problems. We show the relationship a...
FTDCS
2003
IEEE
14 years 1 months ago
2003
IEEE
Various schemes have been proposed to achieve strong authenticationof streamed data in a lossy network by means of “light” digital signatures. Such techniques perform a strong...
ATC
2007
Springer
14 years 2 months ago
2007
Springer
A proxy signature scheme allows an entity to delegate its signing capability to another entity (proxy) in such a way that the proxy can sign messages on behalf of the delegator. Pr...
EUROCRYPT
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. Multiparty signature protocols need protection against roguekey attacks, made possible whenever an adversary can choose its public key(s) arbitrarily. For many schemes, p...
ISW
2005
Springer
14 years 2 months ago
2005
Springer
We present a fully symmetric constant round authenticated group key agreement protocol in dynamic scenario. Our proposed scheme achieves forward secrecy and is provably secure und...