168 search results - page 7 / 34 » Group Encryption |
CIS
2005
Springer
14 years 3 months ago
2005
Springer
A secure group signature is required to be anonymous, that is, given two group signatures generated by two different members on the same message or two group signatures generated ...
ASIACRYPT
2004
Springer
14 years 3 months ago
2004
Springer
Secret handshakes were recently introduced [BDS+ 03] to allow members of the same group to authenticate each other secretly, in the sense that someone who is not a group member ca...
CCS
2005
ACM
14 years 3 months ago
2005
ACM
We investigate whether it is possible to encrypt a database and then give it away in such a form that users can still access it, but only in a restricted way. In contrast to conve...
CN
2006
13 years 10 months ago
2006
We consider a system where each user is in one or more elementary groups. In this system, arbitrary groups of users can be specified using the operations of union, intersection, a...
MFCS
2010
Springer
13 years 8 months ago
2010
Springer
In the context of modelling cryptographic tools like blind signatures and homomorphic encryption, the DolevYao model is typically extended with an operator over which encryption i...