34 search results - page 6 / 7 » Efficient Chosen Ciphertext Secure Public Key Encryption und... |
ASIACRYPT
2003
Springer
13 years 9 months ago
2003
Springer
Motivated by privacy issues associated with dissemination of signed digital certificates, we define a new type of signature scheme called a `Universal Designated-Verifier Signatur...
ACNS
2007
Springer
13 years 11 months ago
2007
Springer
We present two transforms to acquire chosen ciphertext security from tag based techniques. The first one requires the separability of underlying primitives. By separability, info...
CRYPTO
2009
Springer
13 years 12 months ago
2009
Springer
Most of the work in the analysis of cryptographic schemes is concentrated in abstract adversarial models that do not capture side-channel attacks. Such attacks exploit various for...
EUROCRYPT
2012
Springer
11 years 7 months ago
2012
Springer
This paper proposes the first inner product encryption (IPE) scheme that is adaptively secure and fully attribute-hiding (attribute-hiding in the sense of the definition by Katz...
EUROCRYPT
2011
Springer
12 years 8 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...