diff options
author | Benjamin Barenblat <bbaren@google.com> | 2018-07-31 17:48:05 -0400 |
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committer | Benjamin Barenblat <bbaren@google.com> | 2018-07-31 17:48:05 -0400 |
commit | c6466a719d784054a82578c619e7dfff613e777b (patch) | |
tree | ba9c39dc8239f0d73b1742ff012282dc9b06e677 /src/Types.hs | |
parent | 4256d1812062d566163e5797c75e4ede57669a7e (diff) |
Begin implementing HKDF
Implement the `extract` phase of HKDF.
Diffstat (limited to 'src/Types.hs')
-rw-r--r-- | src/Types.hs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/Types.hs b/src/Types.hs new file mode 100644 index 0000000..a625c3e --- /dev/null +++ b/src/Types.hs @@ -0,0 +1,29 @@ +-- 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) + , SecretKey(SecretKey) + ) where + +import Data.ByteString (ByteString) + +-- | A salt. Equality comparisons on this type are variable-time. +newtype Salt = Salt ByteString + deriving (Eq, Ord, Show) + +-- | 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) |