From e9afc3de0fe1df795cc2f8cfab489177252812be Mon Sep 17 00:00:00 2001 From: Ethan Yonker Date: Thu, 30 Aug 2018 15:16:27 -0500 Subject: Decrypt FBE on 9.0 (backwards compatible) Building in 9.0 may require you to add a flag to your twrp fstab with the fileencryption details like: fileencryption=ice:aes-256-heh Verify this against your device's stock fstab of course. Change-Id: If9286f5d5787280814daca9fbc8f5191ff26a839 --- crypto/ext4crypt/KeyUtil.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 crypto/ext4crypt/KeyUtil.h (limited to 'crypto/ext4crypt/KeyUtil.h') diff --git a/crypto/ext4crypt/KeyUtil.h b/crypto/ext4crypt/KeyUtil.h new file mode 100644 index 000000000..d5ad69fdb --- /dev/null +++ b/crypto/ext4crypt/KeyUtil.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * 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 + * + * 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. + */ + +#ifndef ANDROID_VOLD_KEYUTIL_H +#define ANDROID_VOLD_KEYUTIL_H + +#include "KeyBuffer.h" +#include "KeyStorage4.h" + +#include +#include + +namespace android { +namespace vold { + +bool randomKey(KeyBuffer* key); +bool installKey(const KeyBuffer& key, std::string* raw_ref); +bool evictKey(const std::string& raw_ref); +bool retrieveAndInstallKey(bool create_if_absent, const KeyAuthentication& key_authentication, + const std::string& key_path, const std::string& tmp_path, + std::string* key_ref); +bool retrieveKey(bool create_if_absent, const std::string& key_path, + const std::string& tmp_path, KeyBuffer* key); + +} // namespace vold +} // namespace android + +#endif -- cgit v1.2.3