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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE TypeFamilies #-}
-- |
-- 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.
module Crypto.Hash.Blake2bp (
Blake2bp_512 (..),
) where
import Crypto.Hash.Types
import Data.Data
import Data.Word (Word32, Word8)
import Foreign.Ptr (Ptr)
-- | Blake2bp (512 bits) cryptographic hash algorithm
data Blake2bp_512 = Blake2bp_512
deriving (Show, Data)
instance HashAlgorithm Blake2bp_512 where
type HashBlockSize Blake2bp_512 = 128
type HashDigestSize Blake2bp_512 = 64
type HashInternalContextSize Blake2bp_512 = 1768
hashBlockSize _ = 128
hashDigestSize _ = 64
hashInternalContextSize _ = 1768
hashInternalInit p = c_blake2bp_init p 512
hashInternalUpdate = c_blake2bp_update
hashInternalFinalize p = c_blake2bp_finalize p 512
foreign import ccall unsafe "crypton_blake2bp_init"
c_blake2bp_init :: Ptr (Context a) -> Word32 -> IO ()
foreign import ccall "crypton_blake2bp_update"
c_blake2bp_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "crypton_blake2bp_finalize"
c_blake2bp_finalize :: Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()
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