139 search results - page 9 / 28 » On the Security of Two Key-Updating Signature Schemes |
INFORMATICALT
2010
13 years 5 months ago
2010
Abstract. Delegation of rights is a common practice in the real world. We present two identitybased threshold proxy signature schemes, which allow an original signer to delegate he...
IJNSEC
2010
13 years 2 months ago
2010
In ProvSec 2008, Wu et al. constructed two server-aided verification signature (SAV-) schemes based on BLS signature. In this paper, we provide a new definition of the security of...
EUROCRYPT
2003
Springer
14 years 19 days ago
2003
Springer
Abstract. Digital Signatures emerge naturally from Public-Key Encryption based on trapdoor permutations, and the “duality” of the two primitives was noted as early as Diffie-He...
EUROCRYPT
2010
Springer
13 years 7 months ago
2010
Springer
We investigate the possibility to prove security of the well-known blind signature schemes by Chaum, and by Pointcheval and Stern in the standard model, i.e., without random oracle...
ASIACRYPT
2003
Springer
14 years 19 days ago
2003
Springer
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...