683 search results - page 13 / 137 » Unique Group Signatures |
ICITS
2009
14 years 7 months ago
2009
We observe that finding invalid signatures in batches of signatures that fail batch verification is an instance of the classical group testing problem. We present and compare new ...
CORR
2010
Springer
14 years 6 months ago
2010
Springer
We consider generic curves in R2 , i.e. generic C1 functions f : S1 R2 . We analyze these curves through the persistent homology groups of a filtration induced on S1 by f. In parti...
ESMART
2001
Springer
15 years 2 months ago
2001
Springer
If a smartcard provides security functions such as electronic signature creation, valuables such as electronic money and/or sensitive data such as medical data, then the smartcard ...
ASIACRYPT
2003
Springer
15 years 1 months ago
2003
Springer
Abstract. Group signature schemes are fundamental cryptographic tools that enable unlinkably anonymous authentication, in the same fashion that digital signatures provide the basis...
INFORMATICALT
2006
14 years 9 months ago
2006
One important requirement of electronic cash systems is the anonymity of customers. Unconditional anonymity is also very well suited to support criminals in blackmailing. Maitland ...