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-- |
-- Module : Crypto.Hash.MD2
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- Module containing the binding functions to work with the
-- MD2 cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Crypto.Hash.MD2 ( MD2 (..) ) where
import Crypto.Hash.Types
import Foreign.Ptr (Ptr)
import Data.Data
import Data.Word (Word8, Word32)
-- | MD2 cryptographic hash algorithm
data MD2 = MD2
deriving (Show,Data)
instance HashAlgorithm MD2 where
type HashBlockSize MD2 = 16
type HashDigestSize MD2 = 16
type HashInternalContextSize MD2 = 96
hashBlockSize _ = 16
hashDigestSize _ = 16
hashInternalContextSize _ = 96
hashInternalInit = c_md2_init
hashInternalUpdate = c_md2_update
hashInternalFinalize = c_md2_finalize
foreign import ccall unsafe "cryptonite_md2_init"
c_md2_init :: Ptr (Context a)-> IO ()
foreign import ccall "cryptonite_md2_update"
c_md2_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "cryptonite_md2_finalize"
c_md2_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()
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