4 files changed, 56 insertions, 0 deletions
diff --git a/src/Data/Digest.hs b/src/Data/Digest.hs
index 7e88c49..bec8c4f 100644
--- a/src/Data/Digest.hs
+++ b/src/Data/Digest.hs
@@ -1,3 +1,17 @@
+-- Copyright 2017 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 Data.Digest
   ( Algorithm
   , Digest
diff --git a/src/Data/Digest/Internal.hsc b/src/Data/Digest/Internal.hsc
index 8906797..abd498c 100644
--- a/src/Data/Digest/Internal.hsc
+++ b/src/Data/Digest/Internal.hsc
@@ -1,3 +1,17 @@
+-- Copyright 2017 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.
+
 {-# LANGUAGE CApiFFI #-}
 {-# OPTIONS_GHC -Wno-missing-methods #-}
 
diff --git a/src/Data/Hmac.hsc b/src/Data/Hmac.hsc
index 26a797b..5be09a8 100644
--- a/src/Data/Hmac.hsc
+++ b/src/Data/Hmac.hsc
@@ -1,3 +1,17 @@
+-- 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.
+
 {-# OPTIONS_GHC -Wno-missing-methods #-}
 
 module Data.Hmac
diff --git a/src/Foreign/Ptr/ConstantTimeEquals.hs b/src/Foreign/Ptr/ConstantTimeEquals.hs
index bb8d2d4..0bd24e7 100644
--- a/src/Foreign/Ptr/ConstantTimeEquals.hs
+++ b/src/Foreign/Ptr/ConstantTimeEquals.hs
@@ -1,3 +1,17 @@
+-- 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.
+
 {-# LANGUAGE ScopedTypeVariables #-}
 
 module Foreign.Ptr.ConstantTimeEquals where