70 search results - page 2 / 14 » A Public-Key Encryption Scheme with Pseudo-random Ciphertext... |
ICICS
2010
Springer
13 years 2 months ago
2010
Springer
Threshold public-key encryption (TPKE) allows a set of users to decrypt a ciphertext if a given threshold of authorized users cooperate. Existing TPKE schemes suffer from either lo...
CANS
2010
Springer
13 years 2 months ago
2010
Springer
Abstract. Predicate encryption is a new powerful cryptographic primitive which allows for fine-grained access control for encrypted data: the owner of the secret key can release pa...
EUROCRYPT
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. In this paper we present a simpler construction of a publickey encryption scheme that achieves adaptive chosen ciphertext security (CCA2), assuming the existence of trapd...
TCC
2005
Springer
13 years 10 months ago
2005
Springer
Adaptively-secure encryption schemes ensure secrecy even in the presence of an adversary who can corrupt parties in an adaptive manner based on public keys, ciphertexts, and secret...
ASIACRYPT
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We first propose the notion of universally anonymizable publickey encryption. Suppose that we have the encrypted data made with the same security parameter, and that the...