206 search results - page 21 / 42 » Group-oriented Encryption Secure against Collude Attack |
WWW
2005
ACM
14 years 8 months ago
2005
ACM
A profiling adversary is an adversary whose goal is to classify a population of users into categories according to messages they exchange. This adversary models the most common pr...
EUROCRYPT
2010
Springer
14 years 20 days ago
2010
Springer
We construct the first public-key encryption scheme that is proven secure (in the standard model, under standard assumptions) even when the attacker gets access to encryptions of ...
SP
2007
IEEE
14 years 2 months ago
2007
IEEE
In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
EUROCRYPT
2005
Springer
14 years 1 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. ...
CCS
2007
ACM
14 years 2 months ago
2007
ACM
In this work we re-visit the question of building cryptographic primitives that remain secure even when queried on inputs that depend on the secret key. This was investigated by B...