17 search results - page 2 / 4 » Two Improved Partially Blind Signature Schemes from Bilinear... |
IJNSEC
2007
13 years 4 months ago
2007
In 2001, Rivest et al. rstly introduced the concept of ring signatures. A ring signature is a simpli ed group signature without any manager. It protects the anonymity of a signer....
IJNSEC
2006
13 years 4 months ago
2006
It has always been a critical issue to find efficient methods for fast revocation of a user's identity in identity (ID)based cryptosystems. Unfortunately, none of the previou...
ACNS
2004
Springer
13 years 8 months ago
2004
Springer
Motivated by the conflict between authenticity and privacy in the digital signature, the notion of limited verifier signature was introduced [1]. The signature can be verified by a...
WISTP
2007
Springer
13 years 11 months ago
2007
Springer
Unforgeability and blindness are two important properties of blind signature. The latter means that after interacting with various users, the signer is unable to link a valid messa...
FC
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We firstly proposed a new notion of short identity-based signature scheme. We argue that the identity-based environment is essential in some scenarios. The notion of sho...