diff options
Diffstat (limited to 'src/Data/HMAC.hs')
| -rw-r--r-- | src/Data/HMAC.hs | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/Data/HMAC.hs b/src/Data/HMAC.hs index fb67817..c6edca3 100644 --- a/src/Data/HMAC.hs +++ b/src/Data/HMAC.hs @@ -51,7 +51,6 @@ import Data.ByteString (ByteString) import qualified Data.ByteString.Lazy as Lazy (ByteString) import qualified Data.ByteString.Lazy as ByteString.Lazy import qualified Data.ByteString.Unsafe as ByteString -import Foreign (withForeignPtr) import Foreign.Marshal.Unsafe (unsafeLocalState) import BTLS.BoringSSL.Base @@ -80,9 +79,8 @@ instance Show HMAC where -- | Creates an HMAC according to the given 'Algorithm'. hmac :: Algorithm -> SecretKey -> Lazy.ByteString -> Either [Error] HMAC hmac (Algorithm md) (SecretKey key) bytes = - unsafeLocalState $ do - ctxFP <- mallocHMACCtx - withForeignPtr ctxFP $ \ctx -> runExceptT $ do - check $ hmacInitEx ctx key md noEngine - lift $ mapM_ (hmacUpdate ctx) (ByteString.Lazy.toChunks bytes) - lift $ HMAC <$> onBufferOfMaxSize evpMaxMDSize (hmacFinal ctx) + unsafeLocalState $ runExceptT $ do + ctx <- lift mallocHMACCtx + check $ hmacInitEx ctx key md noEngine + lift $ mapM_ (hmacUpdate ctx) (ByteString.Lazy.toChunks bytes) + lift $ HMAC <$> onBufferOfMaxSize evpMaxMDSize (hmacFinal ctx) |