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» Improvement of threshold proxy signature scheme
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ASIACRYPT
2001
Springer
15 years 4 months ago
Adaptive Security in the Threshold Setting: From Cryptosystems to Signature Schemes
Threshold cryptosystems and signature schemes give ways to distribute trust throughout a group and increase the availability of cryptographic systems. A standard approach in design...
Anna Lysyanskaya, Chris Peikert
97
Voted
ICISC
2003
89views Cryptology» more  ICISC 2003»
15 years 1 months ago
Security Analysis of Some Proxy Signatures
Abstract. A proxy signature scheme allows an entity to delegate his/her signing capability to another entity in such a way that the latter can sign messages on behalf of the former...
Guilin Wang, Feng Bao, Jianying Zhou, Robert H. De...
84
Voted
ECR
2006
81views more  ECR 2006»
14 years 11 months ago
Reputation management and signature delegation: A distributed approach
In this paper, we present a novel protocol, called Distributed Signcryption with Verifiable Partial Signature (DiSigncryption) protocol, to allow an agent owner to securely distrib...
Omaima Bamasak, Ning Zhang
LATINCRYPT
2010
14 years 10 months ago
A Lattice-Based Threshold Ring Signature Scheme
In this article, we propose a new lattice-based threshold ring signature scheme, modifying Aguilar’s code-based solution to use the short integer solution (SIS) problem as securi...
Pierre-Louis Cayrel, Richard Lindner, Markus R&uum...
CRYPTO
1998
Springer
106views Cryptology» more  CRYPTO 1998»
15 years 3 months ago
New Efficient and Secure Protocols for Verifiable Signature Sharing and Other Applications
Verifiable Signature Sharing (VS ) enables the recipient of a digital signature, who is not necessarily the original signer, to share such signature among n proxies so that a subse...
Dario Catalano, Rosario Gennaro