-- |
-- Module : Crypto.Hash.Blake2sp
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- module containing the binding functions to work with the
-- Blake2sp cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Crypto.Hash.Blake2sp
( Blake2sp_224 (..), Blake2sp_256 (..)
) where
import Crypto.Hash.Types
import Foreign.Ptr (Ptr)
import Data.Data
import Data.Typeable
import Data.Word (Word8, Word32)
-- | Blake2sp (224 bits) cryptographic hash algorithm
data Blake2sp_224 = Blake2sp_224
deriving (Show,Data,Typeable)
instance HashAlgorithm Blake2sp_224 where
type HashBlockSize Blake2sp_224 = 64
type HashDigestSize Blake2sp_224 = 28
type HashInternalContextSize Blake2sp_224 = 2185
hashBlockSize _ = 64
hashDigestSize _ = 28
hashInternalContextSize _ = 2185
hashInternalInit p = c_blake2sp_init p 224
hashInternalUpdate = c_blake2sp_update
hashInternalFinalize p = c_blake2sp_finalize p 224
-- | Blake2sp (256 bits) cryptographic hash algorithm
data Blake2sp_256 = Blake2sp_256
deriving (Show,Data,Typeable)
instance HashAlgorithm Blake2sp_256 where
type HashBlockSize Blake2sp_256 = 64
type HashDigestSize Blake2sp_256 = 32
type HashInternalContextSize Blake2sp_256 = 2185
hashBlockSize _ = 64
hashDigestSize _ = 32
hashInternalContextSize _ = 2185
hashInternalInit p = c_blake2sp_init p 256
hashInternalUpdate = c_blake2sp_update
hashInternalFinalize p = c_blake2sp_finalize p 256
foreign import ccall unsafe "cryptonite_blake2sp_init"
c_blake2sp_init :: Ptr (Context a) -> Word32 -> IO ()
foreign import ccall "cryptonite_blake2sp_update"
c_blake2sp_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "cryptonite_blake2sp_finalize"
c_blake2sp_finalize :: Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()