43 search results - page 3 / 9 » Security Analysis of Some Proxy Signatures |
ACISP
2003
Springer
13 years 11 months ago
2003
Springer
In some practical circumstances, the ability of a signer should be restricted. In group signature schemes, a group member may be allowed to generate signatures up to a certain numb...
ACSC
2010
IEEE
13 years 2 months ago
2010
IEEE
This paper discusses the design and implementation of a payment framework that is loosely based on the direct debit payment model. We define such payments as one in which customer...
DCC
2003
IEEE
14 years 7 months ago
2003
IEEE
In this paper we discuss the security of digital signature schemes based on error? correcting codes. Several attacks to the Xinmei scheme are surveyed, and some reasons given to e...
JOC
2011
12 years 10 months ago
2011
This paper is devoted to the design and analysis of short undeniable signatures based on a random oracle. Exploiting their online property, we can achieve signatures with a fully s...
ETRICS
2006
13 years 11 months ago
2006
Anonymity services in the EU may be forced by the new EU data retention directive to collect connection data and deanonymise some of their users in case of serious crimes. For this...