352 search results - page 23 / 71 » Cryptography in the Multi-string Model |
PKC
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. We define and discuss symmetric subgroup membership problems and their properties, including a relation to the Decision DiffieHellman problem. We modify the Cramer-Shoup...
PODS
2005
ACM
14 years 10 months ago
2005
ACM
Some promising recent schemes for XML access control employ encryption for implementing security policies on published data, avoiding data duplication. In this paper we study one ...
TCC
2005
Springer
14 years 3 months ago
2005
Springer
We address the problem of using untrusted (potentially malicious) cryptographic helpers. We provide a formal security definition for securely outsourcing computations from a comp...
EUROCRYPT
2004
Springer
14 years 3 months ago
2004
Springer
Informally, a public-key steganography protocol allows two parties, who have never met or exchanged a secret, to send hidden messages over a public channel so that an adversary can...
DCOSS
2006
Springer
14 years 1 months ago
2006
Springer
User access control in sensor networks defines a process of granting user the access right to the information and resources. It is essential for the future real sensor network depl...