-- |
-- 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.Word (Word8, Word32)

-- | RIPEMD160 cryptographic hash algorithm
data RIPEMD160 = RIPEMD160
    deriving (Int -> RIPEMD160 -> ShowS
[RIPEMD160] -> ShowS
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Data)

instance HashAlgorithm RIPEMD160 where
    type HashBlockSize           RIPEMD160 = 64
    type HashDigestSize          RIPEMD160 = 20
    type HashInternalContextSize RIPEMD160 = 128
    hashBlockSize :: RIPEMD160 -> Int
hashBlockSize  RIPEMD160
_          = Int
64
    hashDigestSize :: RIPEMD160 -> Int
hashDigestSize RIPEMD160
_          = Int
20
    hashInternalContextSize :: RIPEMD160 -> Int
hashInternalContextSize RIPEMD160
_ = Int
128
    hashInternalInit :: Ptr (Context RIPEMD160) -> IO ()
hashInternalInit          = Ptr (Context RIPEMD160) -> IO ()
forall a. Ptr (Context a) -> IO ()
c_ripemd160_init
    hashInternalUpdate :: Ptr (Context RIPEMD160) -> Ptr Word8 -> Word32 -> IO ()
hashInternalUpdate        = Ptr (Context RIPEMD160) -> Ptr Word8 -> Word32 -> IO ()
forall a. Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
c_ripemd160_update
    hashInternalFinalize :: Ptr (Context RIPEMD160) -> Ptr (Digest RIPEMD160) -> IO ()
hashInternalFinalize      = Ptr (Context RIPEMD160) -> Ptr (Digest RIPEMD160) -> IO ()
forall a. Ptr (Context a) -> Ptr (Digest a) -> IO ()
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 ()