270 search results - page 7 / 54 » Practical forward secure group signature schemes |
ICICS
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. One of the central lines of cryptographic research is identifying the weakest assumptions required for the construction of secure primitives. In the context of group sign...
INDOCRYPT
2003
Springer
14 years 1 months ago
2003
Springer
At Eurocrypt’91, Chaum and van Heyst introduced the concept of group signature. In such a scheme, each group member is allowed to sign messages on behalf of a group anonymously. ...
IJNSEC
2006
13 years 8 months ago
2006
In 2004, Yoon et al. proposed a user authentication scheme based on generalized ElGamal signature scheme using smart cards. In their scheme, the previous session keys will be comp...
WISA
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. A proxy signature scheme allows an entity to delegate its signing power to another entity. Since the notion of proxy signatures was first introduced, many proxy signatur...
EUROCRYPT
2006
Springer
14 years 7 days ago
2006
Springer
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...