import quincy 17.2.0

[ceph.git] / ceph / src / arrow / cpp / src / parquet / encryption / key_toolkit_internal.h

diff --git a/ceph/src/arrow/cpp/src/parquet/encryption/key_toolkit_internal.h b/ceph/src/arrow/cpp/src/parquet/encryption/key_toolkit_internal.h
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+++ b/ceph/src/arrow/cpp/src/parquet/encryption/key_toolkit_internal.h
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+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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
+//
+//   http://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.
+
+#pragma once
+
+#include <string>
+
+#include "parquet/platform.h"
+
+namespace parquet {
+namespace encryption {
+namespace internal {
+
+// "data encryption key" and "master key identifier" are paired together as output when
+// parsing from "key material"
+class PARQUET_EXPORT KeyWithMasterId {
+ public:
+  KeyWithMasterId(std::string key_bytes, std::string master_id)
+      : key_bytes_(std::move(key_bytes)), master_id_(std::move(master_id)) {}
+
+  const std::string& data_key() const { return key_bytes_; }
+  const std::string& master_id() const { return master_id_; }
+
+ private:
+  const std::string key_bytes_;
+  const std::string master_id_;
+};
+
+/// Encrypts "key" with "master_key", using AES-GCM and the "aad"
+PARQUET_EXPORT
+std::string EncryptKeyLocally(const std::string& key, const std::string& master_key,
+                              const std::string& aad);
+
+/// Decrypts encrypted key with "master_key", using AES-GCM and the "aad"
+PARQUET_EXPORT
+std::string DecryptKeyLocally(const std::string& encoded_encrypted_key,
+                              const std::string& master_key, const std::string& aad);
+
+PARQUET_EXPORT
+bool ValidateKeyLength(int32_t key_length_bits);
+
+}  // namespace internal
+}  // namespace encryption
+}  // namespace parquet