From 31f6ee88ce0d5155cb62d1b928604568318981a3 Mon Sep 17 00:00:00 2001 From: Oscar Montemayor Date: Thu, 25 Feb 2010 16:47:02 -0800 Subject: Encrypted File Systems part 3. Recovery changes. Change-Id: I932f73a6f937aac061128e1134eab08c30f0471d --- encryptedfs_provisioning.h | 51 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 encryptedfs_provisioning.h (limited to 'encryptedfs_provisioning.h') diff --git a/encryptedfs_provisioning.h b/encryptedfs_provisioning.h new file mode 100644 index 000000000..284605d20 --- /dev/null +++ b/encryptedfs_provisioning.h @@ -0,0 +1,51 @@ +/* + * 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 + +#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__ */ + -- cgit v1.2.3