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-- |
-- Module : Crypto.Random.Probabilistic
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : Good
--
module Crypto.Random.Probabilistic
( probabilistic
) where
import Crypto.Internal.Compat
import Crypto.Random.Types
import Crypto.Random
-- | This create a random number generator out of thin air with
-- the system entropy; don't generally use as the IO is not exposed
-- this can have unexpected random for.
--
-- This is useful for probabilistic algorithm like Miller Rabin
-- probably prime algorithm, given appropriate choice of the heuristic
--
-- Generally, it's advise not to use this function.
probabilistic :: MonadPseudoRandom ChaChaDRG a -> a
probabilistic f = fst $ withDRG drg f
where {-# NOINLINE drg #-}
drg = unsafeDoIO drgNew
{-# NOINLINE probabilistic #-}
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