From 3146e835f11acd05fa905f56e6c365023f6ae0d6 Mon Sep 17 00:00:00 2001
From: joe <joe@blackbird>
Date: Sat, 4 Jan 2014 16:44:20 -0500
Subject: ThomasToVincent adapter.

---
 Crypto/Cipher/ThomasToVincent.hs | 24 ++++++++++++++++++++++++
 cipher-cast5.cabal               |  5 +++--
 2 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 Crypto/Cipher/ThomasToVincent.hs

diff --git a/Crypto/Cipher/ThomasToVincent.hs b/Crypto/Cipher/ThomasToVincent.hs
new file mode 100644
index 0000000..85b0875
--- /dev/null
+++ b/Crypto/Cipher/ThomasToVincent.hs
@@ -0,0 +1,24 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+module Crypto.Cipher.ThomasToVincent where
+
+import Crypto.Cipher.Types
+import Data.Byteable
+
+import Data.Tagged
+import qualified Crypto.Classes as Thomas
+
+newtype ThomasToVincent b = ThomasToVincent b
+
+instance Thomas.BlockCipher b => Cipher (ThomasToVincent b) where
+    cipherName _ = "ThomasToVincent"
+    cipherInit k = ThomasToVincent b
+      where Just b = Thomas.buildKey (toBytes k)
+    cipherKeySize _ =  KeySizeFixed (bitlen `div` 8)
+      where Tagged bitlen = Thomas.keyLength :: Tagged b Int
+
+instance Thomas.BlockCipher b => BlockCipher (ThomasToVincent b) where
+    blockSize _ = bitlen `div` 8
+     where Tagged bitlen = Thomas.blockSize :: Tagged b Int
+    ecbEncrypt (ThomasToVincent k) = Thomas.ecb k
+    ecbDecrypt (ThomasToVincent k) = Thomas.unEcb k
+
diff --git a/cipher-cast5.cabal b/cipher-cast5.cabal
index 383a813..fd44ea3 100644
--- a/cipher-cast5.cabal
+++ b/cipher-cast5.cabal
@@ -16,9 +16,10 @@ cabal-version:       >=1.8
 
 library
   exposed-modules:     Crypto.Cipher.Feistel, Crypto.Cipher.Cast5,
-                       Crypto.Cipher.SBox
+                       Crypto.Cipher.SBox, Crypto.Cipher.ThomasToVincent
   -- other-modules:       
   build-depends:       base >= 4.5, bytestring >=0.9, binary >=0.5.1.1, cpu ==0.1.*,
                        vector >=0.9, crypto-api ==0.12.*, cereal ==0.3.*,
                        tagged ==0.6.*, template-haskell >=2.7,
-                       ghc-prim >= 0.2, primitive >= 0.4
+                       ghc-prim >= 0.2, primitive >= 0.4, crypto-cipher-types,
+                       byteable
-- 
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