License	BSD-style
Maintainer	Vincent Hanquez <vincent@snarc.org>
Stability	experimental
Portability	Good
Safe Haskell	None
Language	Haskell2010

Crypto.Random.Types

Description

Synopsis

class Monad m => MonadRandom m where
- getRandomBytes :: ByteArray byteArray => Int -> m byteArray
data MonadPseudoRandom gen a
class DRG gen where
- randomBytesGenerate :: ByteArray byteArray => Int -> gen -> (byteArray, gen)
withDRG :: DRG gen => gen -> MonadPseudoRandom gen a -> (a, gen)

Documentation

class Monad m => MonadRandom m where #

A monad constraint that allows to generate random bytes

Methods

getRandomBytes :: ByteArray byteArray => Int -> m byteArray #

Instances details

MonadRandom IO #
Instance details Defined in Crypto.Random.Types Methods getRandomBytes :: ByteArray byteArray => Int -> IO byteArray #
DRG gen => MonadRandom (MonadPseudoRandom gen) #
Instance details Defined in Crypto.Random.Types Methods getRandomBytes :: ByteArray byteArray => Int -> MonadPseudoRandom gen byteArray #

A simple Monad class very similar to a State Monad with the state being a DRG.

Instances details

DRG gen => Monad (MonadPseudoRandom gen) #
Instance details Defined in Crypto.Random.Types Methods (>>=) :: MonadPseudoRandom gen a -> (a -> MonadPseudoRandom gen b) -> MonadPseudoRandom gen b # (>>) :: MonadPseudoRandom gen a -> MonadPseudoRandom gen b -> MonadPseudoRandom gen b # return :: a -> MonadPseudoRandom gen a #
DRG gen => Functor (MonadPseudoRandom gen) #
Instance details Defined in Crypto.Random.Types Methods fmap :: (a -> b) -> MonadPseudoRandom gen a -> MonadPseudoRandom gen b # (<$) :: a -> MonadPseudoRandom gen b -> MonadPseudoRandom gen a #
DRG gen => Applicative (MonadPseudoRandom gen) #
Instance details Defined in Crypto.Random.Types Methods pure :: a -> MonadPseudoRandom gen a # (<>) :: MonadPseudoRandom gen (a -> b) -> MonadPseudoRandom gen a -> MonadPseudoRandom gen b # liftA2 :: (a -> b -> c) -> MonadPseudoRandom gen a -> MonadPseudoRandom gen b -> MonadPseudoRandom gen c # (>) :: MonadPseudoRandom gen a -> MonadPseudoRandom gen b -> MonadPseudoRandom gen b # (<*) :: MonadPseudoRandom gen a -> MonadPseudoRandom gen b -> MonadPseudoRandom gen a #
DRG gen => MonadRandom (MonadPseudoRandom gen) #
Instance details Defined in Crypto.Random.Types Methods getRandomBytes :: ByteArray byteArray => Int -> MonadPseudoRandom gen byteArray #

class DRG gen where #

A Deterministic Random Generator (DRG) class

Methods

randomBytesGenerate :: ByteArray byteArray => Int -> gen -> (byteArray, gen) #

Generate N bytes of randomness from a DRG

Instances details

DRG SystemDRG #
Instance details Defined in Crypto.Random.SystemDRG Methods randomBytesGenerate :: ByteArray byteArray => Int -> SystemDRG -> (byteArray, SystemDRG) #
DRG ChaChaDRG #
Instance details Defined in Crypto.Random.ChaChaDRG Methods randomBytesGenerate :: ByteArray byteArray => Int -> ChaChaDRG -> (byteArray, ChaChaDRG) #

withDRG :: DRG gen => gen -> MonadPseudoRandom gen a -> (a, gen) #

Run a pure computation with a Deterministic Random Generator in the MonadPseudoRandom