diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Andrey Mulik (c) 2020
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Andrey Mulik nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/sdp-hashable.cabal b/sdp-hashable.cabal
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--- /dev/null
+++ b/sdp-hashable.cabal
@@ -0,0 +1,45 @@
+name:          sdp-hashable
+version:       0.2
+category:      Data Structures
+
+synopsis:      Hashable instances for SDP
+description:   Hashable support for SDP structures
+
+author:        Andrey Mulik
+maintainer:    <work.a.mulik@gmail.com>
+bug-reports:   https://github.com/andreymulik/sdp-hashable/issues
+
+copyright:     2020 Andrey Mulik
+license-file:  LICENSE
+license:       BSD3
+
+build-type:    Simple
+cabal-version: >=1.10
+
+source-repository head
+  type: git
+  location: https://github.com/andreymulik/sdp-hashable
+
+---            _      _____ ______ ______   ___  ______ __   __              ---
+---           | |    |_   _|| ___ \| ___ \ / _ \ | ___ \\ \ / /              ---
+---           | |      | |  | |_/ /| |_/ // /_\ \| |_/ / \ V /               ---
+---           | |      | |  | ___ \|    / |  _  ||    /   \ /                ---
+---           | |____ _| |_ | |_/ /| |\ \ | | | || |\ \   | |                ---
+---           \_____/ \___/ \____/ \_| \_|\_| |_/\_| \_|  \_/                ---
+
+Library
+  default-language: Haskell2010
+  hs-source-dirs:   src
+  
+  build-depends:
+    base     >= 4.12    && < 5,
+    sdp      >= 0.2     && < 1,
+    hashable >= 1.1.1.0 && < 1.4
+  
+  ghc-options: -Wall -Wno-orphans
+  
+  exposed-modules:
+    SDP.Hashable
+
+
+
diff --git a/src/SDP/Hashable.hs b/src/SDP/Hashable.hs
new file mode 100644
--- /dev/null
+++ b/src/SDP/Hashable.hs
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+{-# LANGUAGE MagicHash, FlexibleInstances #-}
+
+{- |
+    Module      :  SDP.Hashable
+    Copyright   :  (c) Andrey Mulik 2020
+    License     :  BSD-style
+    Maintainer  :  work.a.mulik@gmail.com
+    Portability :  portable
+    
+    @SDP.Hashable@ provides 'Hashable' instances for @sdp@ structures.
+-}
+module SDP.Hashable
+  (
+    -- * Export
+    module Data.Hashable
+  )
+where
+
+import Prelude ()
+import SDP.SafePrelude
+import SDP.Templates.AnyBorder
+import SDP.Templates.AnyChunks
+import SDP.Prim.SArray
+import SDP.Prim.SBytes
+
+import Data.Hashable
+
+default ()
+
+--------------------------------------------------------------------------------
+
+instance (Hashable e) => Hashable (SArray# e)
+  where
+    hashWithSalt = foldl' hashWithSalt
+
+instance (Unboxed e) => Hashable (SBytes# e)
+  where
+    hashWithSalt = hashSBytesWith#
+
+instance (Hashable (rep e), Hashable i, Index i) => Hashable (AnyBorder rep i e)
+  where
+    hashWithSalt salt (AnyBorder _ _ rep) = salt `hashWithSalt` rep
+
+instance (Nullable (rep e), Hashable (rep e)) => Hashable (AnyChunks rep e)
+  where
+    hashWithSalt salt = foldl' hashWithSalt salt . toChunks
+
+
+
+