raaz-0.0.1: Raaz/Hash/Sha1/Implementation/CPortable.hs

{-# LANGUAGE ForeignFunctionInterface   #-}
-- | The portable C-implementation of SHA1
module Raaz.Hash.Sha1.Implementation.CPortable
       ( implementation
       ) where

import Raaz.Core
import Raaz.Hash.Internal
import Raaz.Hash.Sha.Util
import Raaz.Hash.Sha1.Internal

-- | The portable C implementation of SHA1.
implementation :: Implementation SHA1
implementation =  SomeHashI cPortable

cPortable :: HashI SHA1 (HashMemory SHA1)
cPortable = portableC c_sha1_compress length64Write

foreign import ccall unsafe
  "raaz/hash/sha1/portable.h raazHashSha1PortableCompress"
  c_sha1_compress  :: Pointer -> Int -> Pointer -> IO ()