git-annex/CryptoTypes.hs
Joey Hess 1876db50f2 found a few places I can use newtype
for presumably some speedups
2011-05-21 11:07:08 -04:00

23 lines
493 B
Haskell

{- git-annex crypto types
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module CryptoTypes where
import Data.String.Utils
-- XXX ideally, this would be a locked memory region
newtype Cipher = Cipher String
data EncryptedCipher = EncryptedCipher String KeyIds
newtype KeyIds = KeyIds [String]
instance Show KeyIds where
show (KeyIds ks) = join "," ks
instance Read KeyIds where
readsPrec _ s = [(KeyIds (split "," s), "")]