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EUROCRYPT
2006
Springer
13 years 9 months ago
2006
Springer
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...
EUROCRYPT
2006
Springer
13 years 9 months ago
2006
Springer
In this paper we examine the security criteria for a KEM and a DEM that are sufficient for the overall hybrid encryption scheme to be plaintext-aware in the standard model. We appl...
EUROCRYPT
2006
Springer
13 years 9 months ago
2006
Springer
The holy grail of a mathematical model of secure encryption is to devise a model that is both faithful in its description of the real world, and yet admits a construction for an en...
EUROCRYPT
2006
Springer
13 years 9 months ago
2006
Springer
We propose simple, realistic protocols for polling that allow the responder to plausibly repudiate his response, while at the same time allow accurate statistical analysis of poll ...
EUROCRYPT
2006
Springer
13 years 9 months ago
2006
Springer
We present the currently simplest, most efficient, optimally resilient, adaptively secure, and proactive threshold RSA scheme. A main technical contribution is a new rewinding stra...