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/*
* Copyright (C) 2009 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.
*/
#include <stdio.h>
#ifndef __ENCRYPTEDFS_PROVISIONING_H__
#define __ENCRYPTEDFS_PROVISIONING_H__
#define MODE_ENCRYPTED_FS_DISABLED 0
#define MODE_ENCRYPTED_FS_ENABLED 1
#define ENCRYPTED_FS_OK 0
#define ENCRYPTED_FS_ERROR (-1)
#define ENCRYPTED_FS_KEY_SIZE 16
#define ENCRYPTED_FS_SALT_SIZE 16
#define ENCRYPTED_FS_MAX_HASH_SIZE 128
#define ENTROPY_MAX_SIZE 4096
struct encrypted_fs_info {
int mode;
char key[ENCRYPTED_FS_KEY_SIZE];
char salt[ENCRYPTED_FS_SALT_SIZE];
int salt_length;
char hash[ENCRYPTED_FS_MAX_HASH_SIZE];
int hash_length;
char entropy[ENTROPY_MAX_SIZE];
int entropy_length;
};
typedef struct encrypted_fs_info encrypted_fs_info;
int read_encrypted_fs_info(encrypted_fs_info *secure_fs_data);
int restore_encrypted_fs_info(encrypted_fs_info *secure_data);
#endif /* __ENCRYPTEDFS_PROVISIONING_H__ */
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