1-- |
2-- Module      : Crypto.Hash.SHA384
3-- License     : BSD-style
4-- Maintainer  : Vincent Hanquez <vincent@snarc.org>
5-- Stability   : experimental
6-- Portability : unknown
7--
8-- Module containing the binding functions to work with the
9-- SHA384 cryptographic hash.
10--
11{-# LANGUAGE ForeignFunctionInterface #-}
12{-# LANGUAGE DeriveDataTypeable #-}
13{-# LANGUAGE DataKinds #-}
14{-# LANGUAGE TypeFamilies #-}
15module Crypto.Hash.SHA384 ( SHA384 (..) ) where
16
17import           Crypto.Hash.Types
18import           Foreign.Ptr (Ptr)
19import           Data.Data
20import           Data.Word (Word8, Word32)
21
22-- | SHA384 cryptographic hash algorithm
23data SHA384 = SHA384
24    deriving (Show,Data)
25
26instance HashAlgorithm SHA384 where
27    type HashBlockSize           SHA384 = 128
28    type HashDigestSize          SHA384 = 48
29    type HashInternalContextSize SHA384 = 256
30    hashBlockSize  _          = 128
31    hashDigestSize _          = 48
32    hashInternalContextSize _ = 256
33    hashInternalInit          = c_sha384_init
34    hashInternalUpdate        = c_sha384_update
35    hashInternalFinalize      = c_sha384_finalize
36
37instance HashAlgorithmPrefix SHA384 where
38    hashInternalFinalizePrefix = c_sha384_finalize_prefix
39
40foreign import ccall unsafe "cryptonite_sha384_init"
41    c_sha384_init :: Ptr (Context a)-> IO ()
42
43foreign import ccall "cryptonite_sha384_update"
44    c_sha384_update :: Ptr (Context a) -> Ptr Word8 -> Word32 -> IO ()
45
46foreign import ccall unsafe "cryptonite_sha384_finalize"
47    c_sha384_finalize :: Ptr (Context a) -> Ptr (Digest a) -> IO ()
48
49foreign import ccall "cryptonite_sha384_finalize_prefix"
50    c_sha384_finalize_prefix :: Ptr (Context a) -> Ptr Word8 -> Word32 -> Word32 -> Ptr (Digest a) -> IO ()
51