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38 lines
1.1 KiB
Haskell
38 lines
1.1 KiB
Haskell
-- |
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-- Module : Crypto.Hash.MD2
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-- License : BSD-style
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-- Maintainer : Vincent Hanquez <vincent@snarc.org>
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-- Stability : experimental
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-- Portability : unknown
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--
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-- module containing the binding functions to work with the
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-- MD2 cryptographic hash.
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--
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{-# LANGUAGE ForeignFunctionInterface #-}
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module Crypto.Hash.MD2 ( MD2 (..) ) where
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import Crypto.Hash.Types
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import Foreign.Ptr (Ptr)
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import Data.Word (Word8, Word32)
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-- | MD2 cryptographic hash algorithm
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data MD2 = MD2
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deriving (Show)
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instance HashAlgorithm MD2 where
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hashBlockSize _ = 16
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hashDigestSize _ = 16
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hashInternalContextSize _ = 96
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hashInternalInit = c_md2_init
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hashInternalUpdate = c_md2_update
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hashInternalFinalize = c_md2_finalize
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foreign import ccall unsafe "cryptonite_md2_init"
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c_md2_init :: Ptr (Context a)-> IO ()
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foreign import ccall "cryptonite_md2_update"
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c_md2_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
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foreign import ccall unsafe "cryptonite_md2_finalize"
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c_md2_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()
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