1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #ifndef _ASEC_H 18 #define _ASEC_H 19 20 struct asec_superblock { 21 #define ASEC_SB_MAGIC 0xc0def00d 22 unsigned int magic; 23 24 #define ASEC_SB_VER 1 25 unsigned char ver; 26 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; 31 32 #define ASEC_SB_C_CHAIN_NONE 0 33 unsigned char c_chain; 34 35 #define ASEC_SB_C_OPTS_NONE 0 36 #define ASEC_SB_C_OPTS_EXT4 1 37 unsigned char c_opts; 38 39 #define ASEC_SB_C_MODE_NONE 0 40 unsigned char c_mode; 41 } __attribute__((packed)); 42 43 #endif 44