46 lines
1.4 KiB
Haskell
46 lines
1.4 KiB
Haskell
-- |
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-- Module : Crypto.Hash.MD5
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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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-- MD5 cryptographic hash.
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--
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{-# LANGUAGE ForeignFunctionInterface #-}
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{-# LANGUAGE DeriveDataTypeable #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE TypeFamilies #-}
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module Crypto.Hash.MD5 ( MD5 (..) ) where
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import Crypto.Hash.Types
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import Foreign.Ptr (Ptr)
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import Data.Data
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import Data.Typeable
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import Data.Word (Word8, Word32)
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-- | MD5 cryptographic hash algorithm
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data MD5 = MD5
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deriving (Show,Data,Typeable)
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instance HashAlgorithm MD5 where
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type HashBlockSize MD5 = 64
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type HashDigestSize MD5 = 16
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type HashInternalContextSize MD5 = 96
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hashBlockSize _ = 64
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hashDigestSize _ = 16
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hashInternalContextSize _ = 96
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hashInternalInit = c_md5_init
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hashInternalUpdate = c_md5_update
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hashInternalFinalize = c_md5_finalize
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foreign import ccall unsafe "cryptonite_md5_init"
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c_md5_init :: Ptr (Context a)-> IO ()
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foreign import ccall "cryptonite_md5_update"
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c_md5_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
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foreign import ccall unsafe "cryptonite_md5_finalize"
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c_md5_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()
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