TCC
14 years 2 months ago
2010 Springer 
We construct a fully secure HIBE scheme with short ciphertexts. The previous construction of Boneh, Boyen, and Goh was only proven to be secure in the selective model, under a non...
TCC
14 years 2 months ago
2010 Springer 
The strongest standard security notion for digital signature schemes is unforgeability under chosen message attacks. In practice, however, this notion can be insuļ¬cient due to ā...
TCC
14 years 2 months ago
2010 Springer TCC
14 years 2 months ago
2010 Springer
Aumann and Lindell deļ¬ned security against covert attacks, where the adversary is malicious, but is only caught cheating with a certain probability, where the idea is that in man...
TCC
14 years 2 months ago
2010 Springer
We describe the ļ¬rst domain extender for ideal ciphers, i.e. we show a construction that is indiļ¬erentiable from a 2n-bit ideal cipher, given a n-bit ideal cipher. Our construc...
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Cryptology