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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE ForeignFunctionInterface #-}
{-# LANGUAGE TypeFamilies #-}
-- |
-- Module : Crypto.Hash.Blake2b
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- Module containing the binding functions to work with the
-- Blake2b cryptographic hash.
module Crypto.Hash.Blake2b (
Blake2b_160 (..),
Blake2b_224 (..),
Blake2b_256 (..),
Blake2b_384 (..),
Blake2b_512 (..),
) where
import Crypto.Hash.Types
import Data.Data
import Data.Word (Word32, Word8)
import Foreign.Ptr (Ptr)
-- | Blake2b (160 bits) cryptographic hash algorithm
data Blake2b_160 = Blake2b_160
deriving (Show, Data)
instance HashAlgorithm Blake2b_160 where
type HashBlockSize Blake2b_160 = 128
type HashDigestSize Blake2b_160 = 20
type HashInternalContextSize Blake2b_160 = 248
hashBlockSize _ = 128
hashDigestSize _ = 20
hashInternalContextSize _ = 248
hashInternalInit p = c_blake2b_init p 160
hashInternalUpdate = c_blake2b_update
hashInternalFinalize p = c_blake2b_finalize p 160
-- | Blake2b (224 bits) cryptographic hash algorithm
data Blake2b_224 = Blake2b_224
deriving (Show, Data)
instance HashAlgorithm Blake2b_224 where
type HashBlockSize Blake2b_224 = 128
type HashDigestSize Blake2b_224 = 28
type HashInternalContextSize Blake2b_224 = 248
hashBlockSize _ = 128
hashDigestSize _ = 28
hashInternalContextSize _ = 248
hashInternalInit p = c_blake2b_init p 224
hashInternalUpdate = c_blake2b_update
hashInternalFinalize p = c_blake2b_finalize p 224
-- | Blake2b (256 bits) cryptographic hash algorithm
data Blake2b_256 = Blake2b_256
deriving (Show, Data)
instance HashAlgorithm Blake2b_256 where
type HashBlockSize Blake2b_256 = 128
type HashDigestSize Blake2b_256 = 32
type HashInternalContextSize Blake2b_256 = 248
hashBlockSize _ = 128
hashDigestSize _ = 32
hashInternalContextSize _ = 248
hashInternalInit p = c_blake2b_init p 256
hashInternalUpdate = c_blake2b_update
hashInternalFinalize p = c_blake2b_finalize p 256
-- | Blake2b (384 bits) cryptographic hash algorithm
data Blake2b_384 = Blake2b_384
deriving (Show, Data)
instance HashAlgorithm Blake2b_384 where
type HashBlockSize Blake2b_384 = 128
type HashDigestSize Blake2b_384 = 48
type HashInternalContextSize Blake2b_384 = 248
hashBlockSize _ = 128
hashDigestSize _ = 48
hashInternalContextSize _ = 248
hashInternalInit p = c_blake2b_init p 384
hashInternalUpdate = c_blake2b_update
hashInternalFinalize p = c_blake2b_finalize p 384
-- | Blake2b (512 bits) cryptographic hash algorithm
data Blake2b_512 = Blake2b_512
deriving (Show, Data)
instance HashAlgorithm Blake2b_512 where
type HashBlockSize Blake2b_512 = 128
type HashDigestSize Blake2b_512 = 64
type HashInternalContextSize Blake2b_512 = 248
hashBlockSize _ = 128
hashDigestSize _ = 64
hashInternalContextSize _ = 248
hashInternalInit p = c_blake2b_init p 512
hashInternalUpdate = c_blake2b_update
hashInternalFinalize p = c_blake2b_finalize p 512
foreign import ccall unsafe "crypton_blake2b_init"
c_blake2b_init :: Ptr (Context a) -> Word32 -> IO ()
foreign import ccall "crypton_blake2b_update"
c_blake2b_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "crypton_blake2b_finalize"
c_blake2b_finalize :: Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()
|
