118 search results - page 22 / 24 » Chosen Ciphertext Security with Optimal Ciphertext Overhead |
IJISEC
2010
13 years 4 months ago
2010
We propose a generalization of Paillier's probabilistic public key system, in which the expansion factor is reduced and which allows to adjust the block length of the scheme e...
EUROCRYPT
2011
Springer
12 years 10 months ago
2011
Springer
We propose a Multi-Authority Attribute-Based Encryption (ABE) system. In our system, any party can become an authority and there is no requirement for any global coordination othe...
SP
2000
IEEE
13 years 11 months ago
2000
IEEE
It is desirable to store data on data storage servers such as mail servers and file servers in encrypted form to reduce security and privacy risks. But this usually implies that ...
ACNS
2004
Springer
13 years 10 months ago
2004
Springer
One of the few quantitative metrics used to evaluate the security of a cryptographic file system is the key length of the encryption algorithm; larger key lengths correspond to hig...
CRYPTO
2001
Springer
13 years 11 months ago
2001
Springer
Abstract. Non-Interactive Zero Knowledge (NIZK), introduced by Blum, Feldman, and Micali in 1988, is a fundamental cryptographic primitive which has attracted considerable attentio...