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{-# LANGUAGE PackageImports #-}
-- |
-- Module : Crypto.Hash.Whirlpool
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- A module containing Whirlpool bindings
--
module Crypto.Hash.Whirlpool
( Ctx(..)
-- * Incremental hashing Functions
, init -- :: Ctx
, update -- :: Ctx -> ByteString -> Ctx
, updates -- :: Ctx -> [ByteString] -> Ctx
, finalize -- :: Ctx -> ByteString
-- * Single Pass hashing
, hash -- :: ByteString -> ByteString
, hashlazy -- :: ByteString -> ByteString
) where
import Prelude hiding (init)
import qualified Data.ByteString.Lazy as L
import Data.ByteString (ByteString)
import Crypto.Hash.Internal (digestToByteString, digestToByteStringWitness)
import qualified "cryptonite" Crypto.Hash as H
-- | Whirlpool Context
newtype Ctx = Ctx (H.Context H.Whirlpool)
-- | init a context
init :: Ctx
init = Ctx H.hashInit
-- | update a context with a bytestring
update :: Ctx -> ByteString -> Ctx
update (Ctx ctx) d = Ctx $ H.hashUpdate ctx d
-- | updates a context with multiples bytestring
updates :: Ctx -> [ByteString] -> Ctx
updates (Ctx ctx) d =
Ctx $ H.hashUpdates ctx d
-- | finalize the context into a digest bytestring
finalize :: Ctx -> ByteString
finalize (Ctx ctx) = digestToByteString $ H.hashFinalize ctx
-- | hash a strict bytestring into a digest bytestring
hash :: ByteString -> ByteString
hash d = digestToByteStringWitness H.Whirlpool $ H.hash d
-- | hash a lazy bytestring into a digest bytestring
hashlazy :: L.ByteString -> ByteString
hashlazy l = digestToByteStringWitness H.Whirlpool $ H.hashlazy l
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