216 search results - page 5 / 44 » Question-based group authentication |
FC
1999
Springer
13 years 12 months ago
1999
Springer
Abstract. We present a series of protocols for authenticating an individual’s membership in a group without revealing that individual’s identity and without restricting how the...
TCC
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. A protocol compiler is described, that transforms any provably secure authenticated 2-party key establishment into a provably secure authenticated group key establishment...
CJ
2006
13 years 7 months ago
2006
Anonymous channels or similar techniques that can achieve sender's anonymity play important roles in many applications. However, they will be meaningless if cryptographic prim...
OZCHI
2006
ACM
14 years 1 months ago
2006
ACM
There are various situations where a distinction needs to be made between group members and outsiders. For example, to protect students in chat groups from unpleasant incidents ca...
NETWORKING
2004
13 years 9 months ago
2004
We present an efficient authenticated and fault-tolerant protocol (AFTD) for tree-based key agreement. Our approach is driven by the insight that when a Diffie-Hellman blinded key ...