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-- |
-- 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 (Show,Data)
instance HashAlgorithm MD5 where
type HashBlockSize MD5 = 64
type HashDigestSize MD5 = 16
type HashInternalContextSize MD5 = 96
hashBlockSize _ = 64
hashDigestSize _ = 16
hashInternalContextSize _ = 96
hashInternalInit = c_md5_init
hashInternalUpdate = c_md5_update
hashInternalFinalize = c_md5_finalize
instance HashAlgorithmPrefix MD5 where
hashInternalFinalizePrefix = 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 ()
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