116 lines
3.9 KiB
Haskell
116 lines
3.9 KiB
Haskell
-- |
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-- Module : Crypto.Hash.SHA3
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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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-- SHA3 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.SHA3
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( SHA3_224 (..), SHA3_256 (..), SHA3_384 (..), SHA3_512 (..)
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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.Data
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import Data.Word (Word8, Word32)
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-- | SHA3 (224 bits) cryptographic hash algorithm
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data SHA3_224 = SHA3_224
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deriving (Show,Data)
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instance HashAlgorithm SHA3_224 where
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type HashBlockSize SHA3_224 = 144
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type HashDigestSize SHA3_224 = 28
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type HashInternalContextSize SHA3_224 = 352
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hashBlockSize _ = 144
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hashDigestSize _ = 28
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hashInternalContextSize _ = 352
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hashInternalInit p = c_sha3_init p 224
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hashInternalUpdate = c_sha3_update
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hashInternalFinalize p = c_sha3_finalize p 224
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instance HashAlgorithmResumable SHA3_224 where
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hashInternalPutContextBE = c_sha3_ctx_to_be
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hashInternalGetContextBE = c_sha3_be_to_ctx
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-- | SHA3 (256 bits) cryptographic hash algorithm
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data SHA3_256 = SHA3_256
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deriving (Show,Data)
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instance HashAlgorithm SHA3_256 where
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type HashBlockSize SHA3_256 = 136
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type HashDigestSize SHA3_256 = 32
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type HashInternalContextSize SHA3_256 = 344
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hashBlockSize _ = 136
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hashDigestSize _ = 32
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hashInternalContextSize _ = 344
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hashInternalInit p = c_sha3_init p 256
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hashInternalUpdate = c_sha3_update
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hashInternalFinalize p = c_sha3_finalize p 256
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instance HashAlgorithmResumable SHA3_256 where
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hashInternalPutContextBE = c_sha3_ctx_to_be
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hashInternalGetContextBE = c_sha3_be_to_ctx
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-- | SHA3 (384 bits) cryptographic hash algorithm
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data SHA3_384 = SHA3_384
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deriving (Show,Data)
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instance HashAlgorithm SHA3_384 where
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type HashBlockSize SHA3_384 = 104
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type HashDigestSize SHA3_384 = 48
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type HashInternalContextSize SHA3_384 = 312
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hashBlockSize _ = 104
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hashDigestSize _ = 48
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hashInternalContextSize _ = 312
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hashInternalInit p = c_sha3_init p 384
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hashInternalUpdate = c_sha3_update
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hashInternalFinalize p = c_sha3_finalize p 384
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instance HashAlgorithmResumable SHA3_384 where
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hashInternalPutContextBE = c_sha3_ctx_to_be
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hashInternalGetContextBE = c_sha3_be_to_ctx
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-- | SHA3 (512 bits) cryptographic hash algorithm
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data SHA3_512 = SHA3_512
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deriving (Show,Data)
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instance HashAlgorithm SHA3_512 where
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type HashBlockSize SHA3_512 = 72
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type HashDigestSize SHA3_512 = 64
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type HashInternalContextSize SHA3_512 = 280
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hashBlockSize _ = 72
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hashDigestSize _ = 64
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hashInternalContextSize _ = 280
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hashInternalInit p = c_sha3_init p 512
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hashInternalUpdate = c_sha3_update
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hashInternalFinalize p = c_sha3_finalize p 512
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instance HashAlgorithmResumable SHA3_512 where
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hashInternalPutContextBE = c_sha3_ctx_to_be
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hashInternalGetContextBE = c_sha3_be_to_ctx
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foreign import ccall unsafe "cryptonite_sha3_init"
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c_sha3_init :: Ptr (Context a) -> Word32 -> IO ()
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foreign import ccall "cryptonite_sha3_update"
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c_sha3_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
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foreign import ccall unsafe "cryptonite_sha3_finalize"
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c_sha3_finalize :: Ptr (Context a) -> Word32 -> Ptr (Digest a) -> IO ()
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foreign import ccall unsafe "cryptonite_sha3_ctx_to_be"
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c_sha3_ctx_to_be :: Ptr (Context a) -> Ptr Word8 -> IO ()
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foreign import ccall unsafe "cryptonite_sha3_be_to_ctx"
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c_sha3_be_to_ctx :: Ptr Word8 -> Ptr (Context a) -> IO ()
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