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EUROCRYPT
2009
Springer
14 years 5 months ago
2009
Springer
The existence of encryption and commitment schemes secure under selective opening attack (SOA) has remained open despite considerable interest and attention. We provide the rst pub...
TCC
2009
Springer
14 years 5 months ago
2009
Springer
We study the possibility of constructing encryption schemes secure under messages that are chosen depending on the key k of the encryption scheme itself. We give the following sep...
EUROCRYPT
2010
Springer
13 years 9 months ago
2010
Springer
Imagine many small devices send data to a single receiver, encrypted using the receiver’s public key. Assume an adversary that has the power to adaptively corrupt a subset of the...
FOCS
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract— Under CPA and CCA1 attacks, a secure bit encryption scheme can be applied bit-by-bit to construct a secure many-bit encryption scheme. The same construction fails, howe...
TCC
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. In this paper we consider commitment schemes that are secure against concurrent man-in-the-middle (cMiM) attacks. Under such attacks, two possible notions of security for...