57 lines
1.8 KiB
Haskell
57 lines
1.8 KiB
Haskell
-- |
|
|
-- Module : Crypto.Hash.Blake2s
|
|
-- License : BSD-style
|
|
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
|
|
-- Stability : experimental
|
|
-- Portability : unknown
|
|
--
|
|
-- module containing the binding functions to work with the
|
|
-- Blake2s cryptographic hash.
|
|
--
|
|
{-# LANGUAGE ForeignFunctionInterface #-}
|
|
{-# LANGUAGE DeriveDataTypeable #-}
|
|
module Crypto.Hash.Blake2s
|
|
( Blake2s_224 (..), Blake2s_256 (..)
|
|
) where
|
|
|
|
import Crypto.Hash.Types
|
|
import Foreign.Ptr (Ptr)
|
|
import Data.Data
|
|
import Data.Typeable
|
|
import Data.Word (Word8, Word32)
|
|
|
|
|
|
-- | Blake2s (224 bits) cryptographic hash algorithm
|
|
data Blake2s_224 = Blake2s_224
|
|
deriving (Show,Data,Typeable)
|
|
|
|
instance HashAlgorithm Blake2s_224 where
|
|
hashBlockSize _ = 64
|
|
hashDigestSize _ = 28
|
|
hashInternalContextSize _ = 185
|
|
hashInternalInit p = c_blake2s_init p 224
|
|
hashInternalUpdate = c_blake2s_update
|
|
hashInternalFinalize p = c_blake2s_finalize p 224
|
|
|
|
-- | Blake2s (256 bits) cryptographic hash algorithm
|
|
data Blake2s_256 = Blake2s_256
|
|
deriving (Show,Data,Typeable)
|
|
|
|
instance HashAlgorithm Blake2s_256 where
|
|
hashBlockSize _ = 64
|
|
hashDigestSize _ = 32
|
|
hashInternalContextSize _ = 185
|
|
hashInternalInit p = c_blake2s_init p 256
|
|
hashInternalUpdate = c_blake2s_update
|
|
hashInternalFinalize p = c_blake2s_finalize p 256
|
|
|
|
|
|
foreign import ccall unsafe "cryptonite_blake2s_init"
|
|
c_blake2s_init :: Ptr (Context a) -> Word32 -> IO ()
|
|
|
|
foreign import ccall "cryptonite_blake2s_update"
|
|
c_blake2s_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
|
|
|
|
foreign import ccall unsafe "cryptonite_blake2s_finalize"
|
|
c_blake2s_finalize :: Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()
|