cryptonite/Crypto/Cipher/DES/Serialization.hs
2015-04-11 16:03:42 +01:00

24 lines
591 B
Haskell

-- |
-- Module : Crypto.Cipher.DES.Serialization
-- License : BSD-style
-- Maintainer : Vincent Hanquez <vincent@snarc.org>
-- Stability : stable
-- Portability : good
--
-- basic routine to convert between W64 and bytestring for DES.
--
module Crypto.Cipher.DES.Serialization
( toBS
) where
import qualified Data.ByteString as B
import Crypto.Cipher.DES.Primitive (Block(..))
import Crypto.Internal.ByteArray
import Crypto.Internal.Endian
import Foreign.Storable
toBS :: Block -> B.ByteString
toBS (Block w) = byteArrayAllocAndFreeze 8 $ \ptr -> poke ptr (toBE64 w)