2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 struct asec_superblock {
21 #define ASEC_SB_MAGIC 0xc0def00d
27 #define ASEC_SB_C_CIPHER_NONE 0
28 #define ASEC_SB_C_CIPHER_TWOFISH 1
29 #define ASEC_SB_C_CIPHER_AES 2
30 unsigned char c_cipher;
32 #define ASEC_SB_C_CHAIN_NONE 0
33 unsigned char c_chain;
35 #define ASEC_SB_C_OPTS_NONE 0
36 #define ASEC_SB_C_OPTS_EXT4 1
39 #define ASEC_SB_C_MODE_NONE 0
41 } __attribute__((packed));