* Copyright 2015-2015 Amazon Technologies, Inc.
* 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:
* This file 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.
// Don't perform the integrity check
// if the stream data is wrapped
// in a decryption stream, or if
// we're only looking at a range of
// the data, since otherwise the
// checksum won't match up.