Added missing imports and removed duplicate imports. Tests pass.

Crypto/PubKey/DSA.hs

@@ -29,14 +29,11 @@ module Crypto.PubKey.DSA
     ) where
 
 import           Crypto.Random.Types
-import qualified Data.Bits as Bits (shiftL, (.|.), shiftR)
 import           Data.Data
 import           Data.Maybe
-import           Crypto.Number.Basic (numBits)
 import           Crypto.Number.ModArithmetic (expFast, expSafe, inverse)
-import           Crypto.Number.Serialize
 import           Crypto.Number.Generate
-import           Crypto.Internal.ByteArray (ByteArrayAccess, ByteArray, ScrubbedBytes, convert, index, dropView, takeView, pack, unpack)
+import           Crypto.Internal.ByteArray (ByteArrayAccess)
 import           Crypto.Internal.Imports
 import           Crypto.Hash
 import           Crypto.PubKey.Internal (dsaTruncHash)

Crypto/PubKey/ECC/ECDSA.hs

@@ -16,19 +16,15 @@ module Crypto.PubKey.ECC.ECDSA
     ) where
 
 import Control.Monad
-import Crypto.Random.Types
-import Data.Bits (shiftR)
+import Crypto.Hash
 import Crypto.Internal.ByteArray (ByteArrayAccess)
-import Data.Data
-import Crypto.Number.Basic (numBits)
 import Crypto.Number.ModArithmetic (inverse)
-import Crypto.Number.Serialize
 import Crypto.Number.Generate
 import Crypto.PubKey.ECC.Types
 import Crypto.PubKey.ECC.Prim
 import Crypto.PubKey.Internal (dsaTruncHash)
-import Crypto.Hash
-import Crypto.Hash.Types (hashDigestSize)
+import Crypto.Random.Types
+import Data.Data
 
 -- | Represent a ECDSA signature namely R and S.
 data Signature = Signature

Crypto/PubKey/Internal.hs

@@ -11,6 +11,11 @@ module Crypto.PubKey.Internal
     , dsaTruncHash
     ) where
 
+import Crypto.Hash
+import Crypto.Internal.ByteArray (ByteArrayAccess)
+import Crypto.Number.Basic (numBits)
+import Crypto.Number.Serialize
+import Data.Bits (shiftR)
 import Data.List (foldl')
 
 -- | This is a strict version of and