118 search results - page 17 / 24 » Chosen Ciphertext Security with Optimal Ciphertext Overhead |
CIS
2005
Springer
14 years 1 months ago
2005
Springer
A secure group signature is required to be anonymous, that is, given two group signatures generated by two different members on the same message or two group signatures generated ...
ESORICS
2009
Springer
14 years 8 months ago
2009
Springer
In distributed systems users need to share sensitive objects with others based on the recipients' ability to satisfy a policy. Attribute-Based Encryption (ABE) is a new parad...
CODCRY
2009
Springer
14 years 2 months ago
2009
Springer
We give two impossibility results regarding strong encryption over an infinite enumerable domain. The first one relates to statistically secure one-time encryption. The second on...
SYNASC
2007
IEEE
14 years 2 months ago
2007
IEEE
A trapdoor based on an extension of the RSA trapdoor is proposed. The same function as in the RSA cryptosystem is used, i.e. x modn, but there is no restriction for the exponent t...
CISC
2008
Springer
13 years 9 months ago
2008
Springer
Anonymity is one of the main concerns in group-oriented cryptography. However, most efforts, for instance, group signatures and ring signatures, are only made to provide anonymity ...