From 4653f36d19009266fc4d947493b174333d0542b2 Mon Sep 17 00:00:00 2001
From: Vincent Hanquez <vincent@snarc.org>
Date: Thu, 30 Jul 2015 14:40:35 +0100
Subject: [PATCH] [Poly1305] add NFData for Tag.

---
 Crypto/MAC/Poly1305.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Crypto/MAC/Poly1305.hs b/Crypto/MAC/Poly1305.hs
index c264a92..d65351c 100644
--- a/Crypto/MAC/Poly1305.hs
+++ b/Crypto/MAC/Poly1305.hs
@@ -29,6 +29,7 @@ import           Foreign.C.Types
 import           Data.Word
 import           Crypto.Internal.ByteArray (ByteArrayAccess, ScrubbedBytes, Bytes)
 import qualified Crypto.Internal.ByteArray as B
+import           Crypto.Internal.DeepSeq
 import           Crypto.Error
 
 -- | Poly1305 State
@@ -40,7 +41,7 @@ type Ctx = State
 
 -- | Poly1305 Auth
 newtype Auth = Auth Bytes
-    deriving (ByteArrayAccess)
+    deriving (ByteArrayAccess,NFData)
 
 instance Eq Auth where
     (Auth a1) == (Auth a2) = B.constEq a1 a2