-- |
-- Module      : Crypto.Hash.MD5
-- License     : BSD-style
-- Maintainer  : Vincent Hanquez <vincent@snarc.org>
-- Stability   : experimental
-- Portability : unknown
--
-- Module containing the binding functions to work with the
-- MD5 cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Crypto.Hash.MD5 ( MD5 (..) ) where

import           Crypto.Hash.Types
import           Foreign.Ptr (Ptr)
import           Data.Data
import           Data.Word (Word8, Word32)

-- | MD5 cryptographic hash algorithm
data MD5 = MD5
    deriving (Int -> MD5 -> ShowS
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Data)

instance HashAlgorithm MD5 where
    type HashBlockSize           MD5 = 64
    type HashDigestSize          MD5 = 16
    type HashInternalContextSize MD5 = 96
    hashBlockSize :: MD5 -> Int
hashBlockSize  MD5
_          = Int
64
    hashDigestSize :: MD5 -> Int
hashDigestSize MD5
_          = Int
16
    hashInternalContextSize :: MD5 -> Int
hashInternalContextSize MD5
_ = Int
96
    hashInternalInit :: Ptr (Context MD5) -> IO ()
hashInternalInit          = Ptr (Context MD5) -> IO ()
forall a. Ptr (Context a) -> IO ()
c_md5_init
    hashInternalUpdate :: Ptr (Context MD5) -> Ptr Word8 -> Word32 -> IO ()
hashInternalUpdate        = Ptr (Context MD5) -> Ptr Word8 -> Word32 -> IO ()
forall a. Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
c_md5_update
    hashInternalFinalize :: Ptr (Context MD5) -> Ptr (Digest MD5) -> IO ()
hashInternalFinalize      = Ptr (Context MD5) -> Ptr (Digest MD5) -> IO ()
forall a. Ptr (Context a) -> Ptr (Digest a) -> IO ()
c_md5_finalize

instance HashAlgorithmPrefix MD5 where
    hashInternalFinalizePrefix :: Ptr (Context MD5)
-> Ptr Word8 -> Word32 -> Word32 -> Ptr (Digest MD5) -> IO ()
hashInternalFinalizePrefix = Ptr (Context MD5)
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Ptr (Context a)
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c_md5_finalize_prefix

foreign import ccall unsafe "cryptonite_md5_init"
    c_md5_init :: Ptr (Context a)-> IO ()

foreign import ccall "cryptonite_md5_update"
    c_md5_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()

foreign import ccall unsafe "cryptonite_md5_finalize"
    c_md5_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()

foreign import ccall "cryptonite_md5_finalize_prefix"
    c_md5_finalize_prefix :: Ptr (Context a) -> Ptr Word8 -> Word32 -> Word32 -> Ptr (Digest a) -> IO ()