324 search results - page 49 / 65 » A new signature scheme without random oracles |
CCS
2005
ACM
15 years 5 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...
ASIACRYPT
2004
Springer
15 years 5 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
2006
ACM
15 years 3 months ago
2006
ACM
We extend the definitional work of Dwork, Naor and Sahai from deniable authentication to deniable key-exchange protocols. We then use these definitions to prove the deniability fe...
EUROCRYPT
2005
Springer
15 years 5 months ago
2005
Springer
We introduce a new type of Identity-Based Encryption (IBE) scheme that we call Fuzzy Identity-Based Encryption. In Fuzzy IBE we view an identity as set of descriptive attributes. ...
CORR
2007
Springer
14 years 11 months ago
2007
Springer
Abstract. Identity-based encryption (IBE) schemes are usually used in multiplePKG environments — on the one hand, each administrative domain (e.g., a relatively small and close o...