-- |
-- 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.Word (Word8, Word32)


-- | Blake2sp (224 bits) cryptographic hash algorithm
data Blake2sp_224 = Blake2sp_224
    deriving (Int -> Blake2sp_224 -> ShowS
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Data)

instance HashAlgorithm Blake2sp_224 where
    type HashBlockSize           Blake2sp_224 = 64
    type HashDigestSize          Blake2sp_224 = 28
    type HashInternalContextSize Blake2sp_224 = 1752
    hashBlockSize :: Blake2sp_224 -> Int
hashBlockSize  Blake2sp_224
_          = Int
64
    hashDigestSize :: Blake2sp_224 -> Int
hashDigestSize Blake2sp_224
_          = Int
28
    hashInternalContextSize :: Blake2sp_224 -> Int
hashInternalContextSize Blake2sp_224
_ = Int
1752
    hashInternalInit :: Ptr (Context Blake2sp_224) -> IO ()
hashInternalInit Ptr (Context Blake2sp_224)
p        = Ptr (Context Blake2sp_224) -> Word32 -> IO ()
forall a. Ptr (Context a) -> Word32 -> IO ()
c_blake2sp_init Ptr (Context Blake2sp_224)
p Word32
224
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hashInternalUpdate        = Ptr (Context Blake2sp_224) -> Ptr Word8 -> Word32 -> IO ()
forall a. Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
c_blake2sp_update
    hashInternalFinalize :: Ptr (Context Blake2sp_224) -> Ptr (Digest Blake2sp_224) -> IO ()
hashInternalFinalize Ptr (Context Blake2sp_224)
p    = Ptr (Context Blake2sp_224)
-> Word32 -> Ptr (Digest Blake2sp_224) -> IO ()
forall a. Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()
c_blake2sp_finalize Ptr (Context Blake2sp_224)
p Word32
224

-- | Blake2sp (256 bits) cryptographic hash algorithm
data Blake2sp_256 = Blake2sp_256
    deriving (Int -> Blake2sp_256 -> ShowS
[Blake2sp_256] -> ShowS
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Data)

instance HashAlgorithm Blake2sp_256 where
    type HashBlockSize           Blake2sp_256 = 64
    type HashDigestSize          Blake2sp_256 = 32
    type HashInternalContextSize Blake2sp_256 = 1752
    hashBlockSize :: Blake2sp_256 -> Int
hashBlockSize  Blake2sp_256
_          = Int
64
    hashDigestSize :: Blake2sp_256 -> Int
hashDigestSize Blake2sp_256
_          = Int
32
    hashInternalContextSize :: Blake2sp_256 -> Int
hashInternalContextSize Blake2sp_256
_ = Int
1752
    hashInternalInit :: Ptr (Context Blake2sp_256) -> IO ()
hashInternalInit Ptr (Context Blake2sp_256)
p        = Ptr (Context Blake2sp_256) -> Word32 -> IO ()
forall a. Ptr (Context a) -> Word32 -> IO ()
c_blake2sp_init Ptr (Context Blake2sp_256)
p Word32
256
    hashInternalUpdate :: Ptr (Context Blake2sp_256) -> Ptr Word8 -> Word32 -> IO ()
hashInternalUpdate        = Ptr (Context Blake2sp_256) -> Ptr Word8 -> Word32 -> IO ()
forall a. Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
c_blake2sp_update
    hashInternalFinalize :: Ptr (Context Blake2sp_256) -> Ptr (Digest Blake2sp_256) -> IO ()
hashInternalFinalize Ptr (Context Blake2sp_256)
p    = Ptr (Context Blake2sp_256)
-> Word32 -> Ptr (Digest Blake2sp_256) -> IO ()
forall a. Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()
c_blake2sp_finalize Ptr (Context Blake2sp_256)
p Word32
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 ()