-- |
-- Module : Crypto.Hash.SHA512t
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- module containing the binding functions to work with the
-- SHA512t cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Crypto.Hash.SHA512t
( SHA512t_224 (..), SHA512t_256 (..)
) where
import Crypto.Hash.Types
import Foreign.Ptr (Ptr)
import Data.Data
import Data.Typeable
import Data.Word (Word8, Word32)
-- | SHA512t (224 bits) cryptographic hash algorithm
data SHA512t_224 = SHA512t_224
deriving (Show,Data,Typeable)
instance HashAlgorithm SHA512t_224 where
type HashBlockSize SHA512t_224 = 128
type HashDigestSize SHA512t_224 = 28
type HashInternalContextSize SHA512t_224 = 256
hashBlockSize _ = 128
hashDigestSize _ = 28
hashInternalContextSize _ = 256
hashInternalInit p = c_sha512t_init p 224
hashInternalUpdate = c_sha512t_update
hashInternalFinalize p = c_sha512t_finalize p 224
-- | SHA512t (256 bits) cryptographic hash algorithm
data SHA512t_256 = SHA512t_256
deriving (Show,Data,Typeable)
instance HashAlgorithm SHA512t_256 where
type HashBlockSize SHA512t_256 = 128
type HashDigestSize SHA512t_256 = 32
type HashInternalContextSize SHA512t_256 = 256
hashBlockSize _ = 128
hashDigestSize _ = 32
hashInternalContextSize _ = 256
hashInternalInit p = c_sha512t_init p 256
hashInternalUpdate = c_sha512t_update
hashInternalFinalize p = c_sha512t_finalize p 256
foreign import ccall unsafe "cryptonite_sha512t_init"
c_sha512t_init :: Ptr (Context a) -> Word32 -> IO ()
foreign import ccall "cryptonite_sha512t_update"
c_sha512t_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "cryptonite_sha512t_finalize"
c_sha512t_finalize :: Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()