-- |
-- Module : Crypto.Hash.RIPEMD160
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- module containing the binding functions to work with the
-- RIPEMD160 cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Crypto.Hash.RIPEMD160 ( RIPEMD160 (..) ) where
import Crypto.Hash.Types
import Foreign.Ptr (Ptr)
import Data.Data
import Data.Typeable
import Data.Word (Word8, Word32)
-- | RIPEMD160 cryptographic hash algorithm
data RIPEMD160 = RIPEMD160
deriving (Show,Data,Typeable)
instance HashAlgorithm RIPEMD160 where
type HashBlockSize RIPEMD160 = 64
type HashDigestSize RIPEMD160 = 20
type HashInternalContextSize RIPEMD160 = 128
hashBlockSize _ = 64
hashDigestSize _ = 20
hashInternalContextSize _ = 128
hashInternalInit = c_ripemd160_init
hashInternalUpdate = c_ripemd160_update
hashInternalFinalize = c_ripemd160_finalize
foreign import ccall unsafe "cryptonite_ripemd160_init"
c_ripemd160_init :: Ptr (Context a)-> IO ()
foreign import ccall "cryptonite_ripemd160_update"
c_ripemd160_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "cryptonite_ripemd160_finalize"
c_ripemd160_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()