28 search results - page 6 / 6 » Identity Based Group Signatures from Hierarchical Identity-B... |
CJ
2006
13 years 5 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...
JUCS
2007
13 years 5 months ago
2007
At Eurocrypt 2005, Boneh, Boyen and Goh presented a constant size ciphertext hierarchical identity based encryption (HIBE) protocol. Our main contribution is to present a variant ...
CCS
2005
ACM
13 years 11 months ago
2005
ACM
We describe a new encryption technique that is secure in the standard model against adaptive chosen ciphertext (CCA2) attacks. We base our method on two very efficient Identity-Ba...