-- |
-- Module : Crypto.Hash.Blake2bp
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- module containing the binding functions to work with the
-- Blake2bp cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Crypto.Hash.Blake2bp
( Blake2bp_512 (..)
) where
import Crypto.Hash.Types
import Foreign.Ptr (Ptr)
import Data.Data
import Data.Typeable
import Data.Word (Word8, Word32)
-- | Blake2bp (512 bits) cryptographic hash algorithm
data Blake2bp_512 = Blake2bp_512
deriving (Show,Data,Typeable)
instance HashAlgorithm Blake2bp_512 where
type HashBlockSize Blake2bp_512 = 128
type HashDigestSize Blake2bp_512 = 64
type HashInternalContextSize Blake2bp_512 = 2325
hashBlockSize _ = 128
hashDigestSize _ = 64
hashInternalContextSize _ = 2325
hashInternalInit p = c_blake2sp_init p 512
hashInternalUpdate = c_blake2sp_update
hashInternalFinalize p = c_blake2sp_finalize p 512
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 ()