61 search results - page 8 / 13 » Repairing Efficient Threshold Group Signature Scheme |
TIFS
2010
13 years 2 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...
EUROCRYPT
2004
Springer
13 years 11 months ago
2004
Springer
We introduce Ad Hoc Anonymous Identification schemes, a new multi-user cryptographic primitive that allows participants from a user population to form ad hoc groups, and then prove...
CISC
2008
Springer
13 years 9 months ago
2008
Springer
Anonymity is one of the main concerns in group-oriented cryptography. However, most efforts, for instance, group signatures and ring signatures, are only made to provide anonymity ...
SP
2002
IEEE
13 years 7 months ago
2002
IEEE
We describe a novel method for authenticating multicast packets that is robust against packet loss. Our main focus is to minimize the size of the communication overhead required t...
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...