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-- |
-- Module : Crypto.Hash.Tiger
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- Module containing the binding functions to work with the
-- Tiger cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Crypto.Hash.Tiger ( Tiger (..) ) where
import Crypto.Hash.Types
import Foreign.Ptr (Ptr)
import Data.Data
import Data.Word (Word8, Word32)
-- | Tiger cryptographic hash algorithm
data Tiger = Tiger
deriving (Show,Data)
instance HashAlgorithm Tiger where
type HashBlockSize Tiger = 64
type HashDigestSize Tiger = 24
type HashInternalContextSize Tiger = 96
hashBlockSize _ = 64
hashDigestSize _ = 24
hashInternalContextSize _ = 96
hashInternalInit = c_tiger_init
hashInternalUpdate = c_tiger_update
hashInternalFinalize = c_tiger_finalize
foreign import ccall unsafe "cryptonite_tiger_init"
c_tiger_init :: Ptr (Context a)-> IO ()
foreign import ccall "cryptonite_tiger_update"
c_tiger_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "cryptonite_tiger_finalize"
c_tiger_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()
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