diff options
Diffstat (limited to 'Types.hs')
| -rw-r--r-- | Types.hs | 24 |
1 files changed, 23 insertions, 1 deletions
@@ -1,9 +1,12 @@ -{-# LANGUAGE OverloadedStrings, GeneralizedNewtypeDeriving #-} +{-# LANGUAGE OverloadedStrings, GeneralizedNewtypeDeriving, MultiParamTypeClasses, FlexibleInstances #-} module Types where +import Cost +import Entropy import qualified Data.ByteString as B import qualified Data.ByteString.Char8 as B8 +import qualified Data.ByteString.Lazy as BL import Raaz.Core.Encode import Data.Monoid import Data.Word @@ -11,10 +14,29 @@ import Data.Time.Clock import Data.String import Text.Read +-- | keysafe stores secret keys. +newtype SecretKey = SecretKey B.ByteString + +-- | The secret key, encrypted with a password. +data EncryptedSecretKey = EncryptedSecretKey B.ByteString (CostCalc BruteForceOp UnknownPassword) + +instance Bruteforceable EncryptedSecretKey UnknownPassword where + getBruteCostCalc (EncryptedSecretKey _ cc) = cc + +-- | An object that can be stored on a keysafe server. +data StorableObject = StorableObject BL.ByteString + -- | A password used to encrypt a key stored in keysafe. newtype Password = Password B.ByteString deriving (IsString) +-- | Naive calculation of the entropy of a password. +-- Does not take common passwords and password generation patterns into +-- account, so this is an overestimation of how hard a password +-- is to crack. +passwordEntropy :: Password -> Entropy UnknownPassword +passwordEntropy (Password p) = Entropy $ floor $ totalEntropy p + -- | A name associated with a key stored in keysafe. newtype Name = Name B.ByteString deriving (Show) |