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Lattice-based Threshold Cryptography
Lattice-based Threshold Cryptography Regev's system distributed key generation protocol
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2009/8/18
We present a variant of Regev's system first presented in [Reg05],
but with a new choice of parameters. By a recent classical reduction by
Peikert we prove the scheme semantically secure based on th...
Adaptively Secure Feldman VSS and Applications to Universally-Composable Threshold Cryptography
Adaptively Secure Feldman VSS Universally-Composable Threshold Cryptography
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2009/3/26
We propose the first distributed discrete-log key generation (DLKG) protocol from
scratch which is adaptively-secure in the non-erasure model, and at the same time completely
avoids the use of inter...