69f9d225eb
The output size is now passed by parameter to the finalize function instead of being stored in the context. that simplify quite a bit the passing of this parameter
54 lines
1.7 KiB
Haskell
54 lines
1.7 KiB
Haskell
-- |
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-- Module : Crypto.Hash.SHA512t
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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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-- SHA512t cryptographic hash.
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--
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{-# LANGUAGE ForeignFunctionInterface #-}
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module Crypto.Hash.SHA512t
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( SHA512t_224 (..), SHA512t_256 (..)
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) 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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-- | SHA512t (224 bits) cryptographic hash algorithm
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data SHA512t_224 = SHA512t_224
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deriving (Show)
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instance HashAlgorithm SHA512t_224 where
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hashBlockSize _ = 128
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hashDigestSize _ = 28
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hashInternalContextSize _ = 256
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hashInternalInit p = c_sha512t_init p 224
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hashInternalUpdate = c_sha512t_update
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hashInternalFinalize p = c_sha512t_finalize p 224
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-- | SHA512t (256 bits) cryptographic hash algorithm
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data SHA512t_256 = SHA512t_256
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deriving (Show)
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instance HashAlgorithm SHA512t_256 where
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hashBlockSize _ = 128
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hashDigestSize _ = 32
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hashInternalContextSize _ = 256
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hashInternalInit p = c_sha512t_init p 256
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hashInternalUpdate = c_sha512t_update
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hashInternalFinalize p = c_sha512t_finalize p 256
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foreign import ccall unsafe "cryptonite_sha512t_init"
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c_sha512t_init :: Ptr (Context a) -> Word32 -> IO ()
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foreign import ccall "cryptonite_sha512t_update"
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c_sha512t_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
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foreign import ccall unsafe "cryptonite_sha512t_finalize"
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c_sha512t_finalize :: Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()
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