raaz-0.0.1: Raaz/Hash/Sha256/Implementation/CPortable.hs

{-# LANGUAGE ForeignFunctionInterface   #-}
-- | The portable C-implementation of SHA1
module Raaz.Hash.Sha256.Implementation.CPortable
       ( implementation, cPortable
       ) where

import Raaz.Core
import Raaz.Hash.Internal
import Raaz.Hash.Sha.Util
import Raaz.Hash.Sha256.Internal

-- | The portable C implementation of SHA256.
implementation :: Implementation SHA256
implementation =  SomeHashI cPortable

cPortable :: HashI SHA256 (HashMemory SHA256)
cPortable = portableC c_sha256_compress length64Write

foreign import ccall unsafe
  "raaz/hash/sha256/portable.h raazHashSha256PortableCompress"
  c_sha256_compress  :: Pointer -> Int -> Pointer -> IO ()