cryptonite/Crypto/Hash/Kekkak.hs
2015-05-19 11:51:18 +01:00

78 lines
2.4 KiB
Haskell

-- |
-- Module : Crypto.Hash.Kekkak
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : experimental
-- Portability : unknown
--
-- module containing the binding functions to work with the
-- Kekkak cryptographic hash.
--
{-# LANGUAGE ForeignFunctionInterface #-}
module Crypto.Hash.Kekkak
( Kekkak_224 (..), Kekkak_256 (..), Kekkak_384 (..), Kekkak_512 (..)
) where
import Crypto.Hash.Types
import Foreign.Ptr (Ptr)
import Data.Word (Word8, Word32)
-- | Kekkak (224 bits) cryptographic hash algorithm
data Kekkak_224 = Kekkak_224
deriving (Show)
instance HashAlgorithm Kekkak_224 where
hashBlockSize _ = 144
hashDigestSize _ = 28
hashInternalContextSize _ = 360
hashInternalInit p = c_kekkak_init p 224
hashInternalUpdate = c_kekkak_update
hashInternalFinalize = c_kekkak_finalize
-- | Kekkak (256 bits) cryptographic hash algorithm
data Kekkak_256 = Kekkak_256
deriving (Show)
instance HashAlgorithm Kekkak_256 where
hashBlockSize _ = 136
hashDigestSize _ = 32
hashInternalContextSize _ = 360
hashInternalInit p = c_kekkak_init p 256
hashInternalUpdate = c_kekkak_update
hashInternalFinalize = c_kekkak_finalize
-- | Kekkak (384 bits) cryptographic hash algorithm
data Kekkak_384 = Kekkak_384
deriving (Show)
instance HashAlgorithm Kekkak_384 where
hashBlockSize _ = 104
hashDigestSize _ = 48
hashInternalContextSize _ = 360
hashInternalInit p = c_kekkak_init p 384
hashInternalUpdate = c_kekkak_update
hashInternalFinalize = c_kekkak_finalize
-- | Kekkak (512 bits) cryptographic hash algorithm
data Kekkak_512 = Kekkak_512
deriving (Show)
instance HashAlgorithm Kekkak_512 where
hashBlockSize _ = 72
hashDigestSize _ = 64
hashInternalContextSize _ = 360
hashInternalInit p = c_kekkak_init p 512
hashInternalUpdate = c_kekkak_update
hashInternalFinalize = c_kekkak_finalize
foreign import ccall unsafe "cryptonite_kekkak_init"
c_kekkak_init :: Ptr (Context a) -> Word32 -> IO ()
foreign import ccall "cryptonite_kekkak_update"
c_kekkak_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
foreign import ccall unsafe "cryptonite_kekkak_finalize"
c_kekkak_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()