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// Copyright 2021 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <base/optional.h>
#include <brillo/secure_blob.h>
namespace oobe_config {
struct EncryptedData {
brillo::Blob data;
brillo::SecureBlob key;
// Encrypts data with AES_256_GCM and a randomly generated key. Returns key and
// encrypted data on success and `base::nullopt` on failure.
base::Optional<EncryptedData> Encrypt(const brillo::SecureBlob& plain_data);
// Decrypts data with AES_256_GCM with the given key. Returns `base::nullopt`
// on failure and the decrypted data on success.
base::Optional<brillo::SecureBlob> Decrypt(const EncryptedData& encrypted_data);
} // namespace oobe_config