diff --git a/benchs/Bench.hs b/benchs/Bench.hs
new file mode 100644
index 0000000..ecd33bb
--- /dev/null
+++ b/benchs/Bench.hs
@@ -0,0 +1,63 @@
+{-# LANGUAGE PackageImports #-}
+module Main where
+
+import Criterion.Main
+
+import "cryptonite" Crypto.Hash
+import "cryptonite" Crypto.Error
+import "cryptonite" Crypto.Cipher.DES
+import "cryptonite" Crypto.Cipher.Camellia
+import "cryptonite" Crypto.Cipher.AES
+import "cryptonite" Crypto.Cipher.Blowfish
+import "cryptonite" Crypto.Cipher.Types
+
+import Crypto.Internal.ByteArray (ByteArray)
+
+import qualified Data.ByteString as B
+
+benchHash =
+    [ 
+    ]
+
+benchBlockCipher =
+    [ bgroup "ECB" benchECB
+    , bgroup "CBC" benchCBC
+    ]
+  where 
+        benchECB =
+            [ bench "DES-input=1024" $ nf (run (undefined :: DES) cipherInit key8) input1024
+            , bench "Blowfish128-input=1024" $ nf (run (undefined :: Blowfish128) cipherInit key16) input1024
+            , bench "AES128-input=1024" $ nf (run (undefined :: AES128) cipherInit key16) input1024
+            , bench "AES256-input=1024" $ nf (run (undefined :: AES256) cipherInit key32) input1024
+            ]
+          where run :: (ByteArray ba, ByteArray key, BlockCipher c)
+                    => c -> (key -> CryptoFailable c) -> key -> ba -> ba
+                run witness initF key input =
+                    (ecbEncrypt (throwCryptoError (initF key))) input
+
+        benchCBC =
+            [ bench "DES-input=1024" $ nf (run (undefined :: DES) cipherInit key8 iv8) input1024
+            , bench "Blowfish128-input=1024" $ nf (run (undefined :: Blowfish128) cipherInit key16 iv8) input1024
+            , bench "AES128-input=1024" $ nf (run (undefined :: AES128) cipherInit key16 iv16) input1024
+            , bench "AES256-input=1024" $ nf (run (undefined :: AES256) cipherInit key32 iv16) input1024
+            ]
+          where run :: (ByteArray ba, ByteArray key, BlockCipher c)
+                    => c -> (key -> CryptoFailable c) -> key -> IV c -> ba -> ba
+                run witness initF key iv input =
+                    (cbcEncrypt (throwCryptoError (initF key))) iv input
+
+        key8  = B.replicate 8 0
+        key16 = B.replicate 16 0
+        key32 = B.replicate 32 0
+        input1024 = B.replicate 1024 0
+
+        iv8 :: BlockCipher c => IV c
+        iv8  = maybe (error "iv size 8") id  $ makeIV key8
+
+        iv16 :: BlockCipher c => IV c
+        iv16 = maybe (error "iv size 16") id $ makeIV key16
+
+main = defaultMain
+    [ bgroup "hash" benchHash
+    , bgroup "block-cipher" benchBlockCipher
+    ]