237 search results - page 25 / 48 » On the Security Notions for Public-Key Encryption Schemes |
CODASPY
2012
12 years 3 months ago
2012
Access control is one of the most important security mechanisms in cloud computing. However, there has been little work that explores various comparison-based constraints for regu...
SCN
2010
Springer
13 years 5 months ago
2010
Springer
This paper introduces and explores the new concept of Time-Specific Encryption (TSE). In (Plain) TSE, a Time Server broadcasts a key at the beginning of each time unit, a Time Inst...
IJISEC
2010
13 years 5 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...
AFRICACRYPT
2009
Springer
13 years 11 months ago
2009
Springer
The notion of certified encryption had recently been suggested as a suitable setting for analyzing the security of encryption against adversaries that tamper with the key-registrat...
TIT
2011
13 years 2 months ago
2011
Abstract. In 1998, Blaze, Bleumer, and Strauss proposed a cryptographic primitive called proxy re-encryption, in which a proxy transforms – without seeing the corresponding plain...