46 lines
1.5 KiB
Haskell
46 lines
1.5 KiB
Haskell
-- |
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-- Module : Crypto.Hash.SHA384
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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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-- SHA384 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.SHA384 ( SHA384 (..) ) 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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-- | SHA384 cryptographic hash algorithm
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data SHA384 = SHA384
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deriving (Show,Data,Typeable)
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instance HashAlgorithm SHA384 where
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type HashBlockSize SHA384 = 128
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type HashDigestSize SHA384 = 48
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type HashInternalContextSize SHA384 = 256
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hashBlockSize _ = 128
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hashDigestSize _ = 48
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hashInternalContextSize _ = 256
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hashInternalInit = c_sha384_init
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hashInternalUpdate = c_sha384_update
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hashInternalFinalize = c_sha384_finalize
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foreign import ccall unsafe "cryptonite_sha384_init"
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c_sha384_init :: Ptr (Context a)-> IO ()
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foreign import ccall "cryptonite_sha384_update"
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c_sha384_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
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foreign import ccall unsafe "cryptonite_sha384_finalize"
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c_sha384_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()
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