34 search results - page 1 / 7 » Revocable Anonymity |
SCN
2010
Springer
13 years 2 months ago
2010
Springer
Anonymous credential system promise efficient, ubiquitous access to digital services while preserving user privacy. However, their diffusion is impaired by the lack of efficient re...
CANS
2009
Springer
13 years 2 months ago
2009
Springer
Group signatures allow users to anonymously sign messages in the name of a group. Membership revocation has always been a critical issue in such systems. In 2004, Boneh and Shacham...
DEXAW
2003
IEEE
13 years 10 months ago
2003
IEEE
We examine the interference of fairness and observers in digital coin systems. Since copying of coins cannot be prevented cryptographically in anonymous off-line coin systems, dou...
ICISS
2009
Springer
13 years 11 months ago
2009
Springer
We present a new remote, coercion-free electronic voting protocol which satisfies a number of properties previously considered contradictory. We introduce (and justify) the idea ...
CARDIS
2006
Springer
13 years 8 months ago
2006
Springer
In this paper we propose three smartcard-based variants of anonymous authentication using unique one-time pseudonyms. The first variant can be used to authenticate a user. However,...