aml.h

/*
 * Copyright (c) 2017, 2019 Andreas Färber
 *
 * SPDX-License-Identifier: GPL-2.0+ OR MIT
 */

#ifndef AML_H
#define AML_H

#include <stdint.h>

#define AMLOGIC_SIGNATURE "@AML"

struct __attribute((__packed__)) AmlogicHeader {
	char sig[4];
	uint32_t size;
	uint16_t header_size;
	uint16_t header_version;
	uint32_t id;
	uint32_t encrypted;
	uint32_t digest_offset;
	uint32_t digest_size;
	uint32_t data_offset;
	uint32_t data_size;
	uint32_t padding_offset;
	uint32_t padding_size;
	uint32_t _offset2;
	uint32_t pad2;
	uint32_t payload_offset;
	uint32_t payload_size;
	uint32_t unknown;
};

#define AMLOGIC_C_SIGNATURE "AMLC"

struct __attribute((__packed__)) AmlogicCryptoHeader {
	uint16_t _unknown;
	uint16_t block_size;
	uint32_t encrypted;
	uint32_t _unknown2;
	char sig[4];
	uint32_t first_offset;
	uint32_t data_offset;
	uint32_t encrypted_size;
	uint32_t payload_size;
	uint8_t digest[32];
	uint8_t key[32];
	uint8_t iv[16];
	uint8_t _pad[24];
	char cipher[7];
	char date[20];
	uint8_t _pad2[69];
	uint8_t _pad3[16];
	uint32_t _unknown3;
	char sig2[4];
};

#endif