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{-# LANGUAGE OverloadedStrings, GeneralizedNewtypeDeriving, MultiParamTypeClasses, FlexibleInstances #-}
module Types where
import Types.Cost
import Entropy
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as BL
import Data.String
-- | 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
-- | Objects stored on a keysafe server are (probably) a shard of an
-- encrypted secret key.
newtype StorableObject = StorableObject { fromStorableObject :: 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)
-- | The type of the key that is stored in keysafe.
newtype KeyType = KeyType B.ByteString
deriving (Show)
gpgKey :: KeyType
gpgKey = KeyType "gpg"
-- | Enough information to uniquely identify a key stored in keysafe.
data KeyIdent = KeyIdent KeyType Name
deriving (Show)
newtype ShardNum = ShardNum Int
deriving (Show)
-- | Enough information to uniquely identify an object stored on a keysafe
-- server for a key.
data ObjectIdent = ObjectIdent ShardNum KeyIdent
deriving (Show)
data Benchmark t = Benchmark { expectedBenchmark :: t, actualBenchmark :: t }
deriving (Show)
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