remove unneeded imports

src/Data/CryptoID/ByteString.hs

@@ -106,7 +106,7 @@ instance Binary CryptoIDKey where
       -- that parses)
       getKey (KeySizeFixed n) = getByteString n
       getKey (KeySizeEnum ns) = asum [ getKey $ KeySizeFixed n | n <- sortOn Down ns ]
-      getKey (KeySizeRange min max) = getKey $ KeySizeEnum [min .. max]
+      getKey (KeySizeRange min' max') = getKey $ KeySizeEnum [min' .. max']
 
 
 -- | Error cases that can be encountered during 'encrypt' and 'decrypt'
@@ -169,7 +169,7 @@ genKey = CryptoIDKey <$> liftIO (getEntropy keySize)
     keySize
       | KeySizeFixed n <- keySize' = n
       | KeySizeEnum ns <- keySize' = maximum ns
-      | KeySizeRange _ max <- keySize' = max
+      | KeySizeRange _ max' <- keySize' = max'
 
 -- | Try to read a 'CryptoIDKey' from a file.
 --   If the file does not exist, securely generate a key (using 'genKey') and

src/Data/CryptoID/Class.hs

@@ -11,6 +11,8 @@ module Data.CryptoID.Class
 
 import Data.CryptoID (CryptoID)
 
+import Data.Kind
+
 import GHC.TypeLits (Symbol)
 
 import Control.Monad.Catch (MonadThrow)
@@ -18,18 +20,16 @@ import Control.Monad.Catch (MonadThrow)
 -- | Class of monads granting reader access to a key and allowing for failure during cryptographic operations
 --
 -- This formulation is weaker than @MonadReader key@ (from mtl) in that it does not require @local@.
-class MonadThrow m => MonadCrypto (m :: * -> *) where
-  type MonadCryptoKey m :: *
+class MonadThrow m => MonadCrypto (m :: Type -> Type) where
+  type MonadCryptoKey m :: Type
   cryptoIDKey :: (MonadCryptoKey m -> m a) -> m a
 
 -- | Multiparameter typeclass of @(namespace, ciphertext, plaintext, monad)@ tuples which allow for cryptographic operations on 'CryptoID's with appropriate @namespace@, @plaintext@, and @ciphertext@, utilising the state of @monad@
 --
 -- Instances of this typeclass are usually universally quantified over (at least) @namespace@, and @m@
-class MonadCrypto m => HasCryptoID (namespace :: Symbol) (ciphertext :: *) (plaintext :: *) (m :: * -> *) where
+class MonadCrypto m => HasCryptoID (namespace :: Symbol) (ciphertext :: Type) (plaintext :: Type) (m :: Type -> Type) where
   encrypt :: plaintext -> m (CryptoID namespace ciphertext)
   -- ^ Encrypt a @plaintext@ in a fashion dependent on the @namespace@ and desired @ciphertext@-type retrieving the key from and throwing errors into @m@
     
   decrypt :: CryptoID namespace ciphertext -> m plaintext
   -- ^ Encrypt a @ciphertext@ in a fashion dependent on the @namespace@ and desired @plaintext@-type retrieving the key from and throwing errors into @m@
-
-

src/Data/CryptoID/Class/ImplicitNamespace.hs

@@ -17,11 +17,13 @@ module Data.CryptoID.Class.ImplicitNamespace
 import qualified Data.CryptoID.Class as E
 import qualified Data.CryptoID as E
 
+import Data.Kind
+
 import GHC.TypeLits (Symbol)
   
 
 -- | Type family of @namespace@s associated to certain @plaintext@-types (parameterized over @ciphertext@ for completeness)
-type family CryptoIDNamespace (ciphertext :: *) (plaintext :: *) :: Symbol
+type family CryptoIDNamespace (ciphertext :: Type) (plaintext :: Type) :: Symbol
 
 -- | 'E.HasCryptoID' reformulated to utilize 'CryptoIDNamespace'
 type HasCryptoID ciphertext plaintext = E.HasCryptoID (CryptoIDNamespace ciphertext plaintext) ciphertext plaintext

src/Data/CryptoID/Poly.hs

@@ -26,13 +26,10 @@ module Data.CryptoID.Poly
 
 import Data.CryptoID.ByteString hiding (encrypt, decrypt)
 import qualified Data.CryptoID.ByteString as ByteString (encrypt, decrypt)
-import Data.CryptoID.Class (HasCryptoID)
 import qualified Data.CryptoID.Class as Class (HasCryptoID(..))
 
 import Data.Binary
 
-import Data.Monoid
-
 import Data.ByteString (ByteString)
 import qualified Data.ByteString as ByteString
 import qualified Data.ByteString.Lazy as Lazy.ByteString
@@ -76,14 +73,14 @@ decrypt :: forall a m c namespace.
            , MonadThrow m
            , Binary a
            ) => (c -> m ByteString) -> CryptoIDKey -> CryptoID namespace c -> m a
-decrypt decode key cID = do
-  cID' <- _ciphertext decode cID
+decrypt dcode key cID = do
+  cID' <- _ciphertext dcode cID
   plaintext <- Lazy.ByteString.fromStrict <$> ByteString.decrypt key cID'
 
   case decodeOrFail plaintext of
     Left _ -> throwM DeserializationError
-    Right (rem, _, res)
-      | Lazy.ByteString.all (== 0) rem -> return res
+    Right (rem', _, res)
+      | Lazy.ByteString.all (== 0) rem' -> return res
       | otherwise -> throwM InvalidNamespaceDetected
 
 instance ( MonadCrypto m