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[HMAC] use SecureBytes instead of ByteString for between context

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This commit is contained in:
Vincent Hanquez 2015-05-03 14:51:13 +01:00
parent cc15b91c07
commit cd42b2765b
1 changed files with 3 additions and 4 deletions
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7
Crypto/MAC/HMAC.hs
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@ -21,11 +21,10 @@ module Crypto.MAC.HMAC
, finalize
) where
import Data.ByteString (ByteString)
import Crypto.Hash hiding (Context)
import qualified Crypto.Hash as Hash (Context)
import Crypto.Hash.IO
import Crypto.Internal.ByteArray (SecureBytes, Bytes, ByteArray, ByteArrayAccess)
import Crypto.Internal.ByteArray (SecureBytes, ByteArray, ByteArrayAccess)
import qualified Crypto.Internal.ByteArray as B
import Crypto.Internal.Bytes
import Crypto.Internal.Compat
@ -83,8 +82,8 @@ initialize secret = unsafeDoIO (doHashAlg undefined)
(inner, outer) <- withKey $ \keyPtr ->
(,) <$> B.alloc blockSize (\p -> bufXorWith p 0x36 keyPtr blockSize)
<*> B.alloc blockSize (\p -> bufXorWith p 0x5c keyPtr blockSize)
return $ Context (hashUpdates initCtx [outer :: ByteString])
(hashUpdates initCtx [inner :: ByteString])
return $ Context (hashUpdates initCtx [outer :: SecureBytes])
(hashUpdates initCtx [inner :: SecureBytes])
where
blockSize = hashBlockSize alg
digestSize = hashDigestSize alg