41 search results - page 2 / 9 » Threshold Encryption into Multiple Ciphertexts |
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...
ISAAC
2010
Springer
13 years 2 months ago
2010
Springer
Abstract. In this paper, we consider the problem of predicate encryption and focus on the predicate for testing whether the hamming distance between the attribute X of a data item ...
ASIACRYPT
2000
Springer
13 years 8 months ago
2000
Springer
Assuming a cryptographically strong cyclic group G of prime order q and a random hash function H, we show that ElGamal encryption with an added Schnorr signature is secure against ...
ASIACRYPT
2001
Springer
13 years 9 months ago
2001
Springer
Abstract. Semantic security against chosen-ciphertext attacks (INDCCA) is widely believed as the correct security level for public-key encryption scheme. On the other hand, it is o...
EUROCRYPT
2012
Springer
11 years 6 months ago
2012
Springer
We present a new approach for creating chosen ciphertext secure encryption. The focal point ork is a new abstraction that we call Detectable Chosen Ciphertext Security (DCCA). Int...