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ACISP
2006
Springer
15 years 1 months ago
Efficient Identity-Based Signatures Secure in the Standard Model
The only known construction of identity-based signatures that can be proven secure in the standard model is based on the approach of attaching certificates to non-identity-based si...
Kenneth G. Paterson, Jacob C. N. Schuldt
INFORMATICALT
2007
100views more  INFORMATICALT 2007»
14 years 9 months ago
On the Proxy-Protected Property of Chen et al.'s Proxy Multisignature Schemes
Recently, Chen, Chung, and Huang proposed a traceable proxy multisignature scheme based on the elliptic curve cryptosystem. However, this paper shows that the original signers can ...
Pei-Hui Huang, Hsiang-An Wen, Chih-Hung Wang, Tzon...
CANS
2009
Springer
121views Cryptology» more  CANS 2009»
15 years 4 months ago
On Cryptographic Schemes Based on Discrete Logarithms and Factoring
Abstract. At CRYPTO 2003, Rubin and Silverberg introduced the concept of torus-based cryptography over a finite field. We extend their setting to the ring of integers modulo N. W...
Marc Joye
ASIACRYPT
2003
Springer
15 years 1 months ago
Universal Designated-Verifier Signatures
Motivated by privacy issues associated with dissemination of signed digital certificates, we define a new type of signature scheme called a `Universal Designated-Verifier Signatur...
Ron Steinfeld, Laurence Bull, Huaxiong Wang, Josef...
JCP
2010
100views more  JCP 2010»
14 years 8 months ago
Provable Secure Generalized Signcryption
Generalized signcryption which proposed by Han is a new cryptographic primitive which can work as an encryption scheme, a signature scheme or a signcryption scheme [5]. However,the...
Xu An Wang, Xiaoyuan Yang, Jindan Zhang