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-- Copyright 2018 Google LLC
--
-- Licensed under the Apache License, Version 2.0 (the "License"); you may not
-- use this file except in compliance with the License. You may obtain a copy of
-- the License at
--
-- https://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-- WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-- License for the specific language governing permissions and limitations under
-- the License.
module Types
( Salt(Salt), noSalt
, SecretKey(SecretKey)
) where
import Data.ByteString (ByteString)
import qualified Data.ByteString as ByteString
-- | A salt. Equality comparisons on this type are variable-time.
newtype Salt = Salt ByteString
deriving (Eq, Ord, Show)
noSalt :: Salt
noSalt = Salt ByteString.empty
-- | A secret key used as input to a cipher or HMAC. Equality comparisons on
-- this type are variable-time.
newtype SecretKey = SecretKey ByteString
deriving (Eq, Ord, Show)
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