flipperzero-firmware/lib/subghz/protocols/keeloq_common.h
Skorpionm 94ba7d104c
SubGhz: refactoring add descriptions (#1012)
* SubGhz: add descriptions
* SubGhz: fix syntax

Co-authored-by: あく <alleteam@gmail.com>
2022-03-16 16:18:48 +07:00

69 lines
1.9 KiB
C

#pragma once
#include "base.h"
#include <furi.h>
/*
* Keeloq
* https://ru.wikipedia.org/wiki/KeeLoq
* https://phreakerclub.com/forum/showthread.php?t=1094
*
*/
#define KEELOQ_NLF 0x3A5C742E
#define bit(x, n) (((x) >> (n)) & 1)
#define g5(x, a, b, c, d, e) \
(bit(x, a) + bit(x, b) * 2 + bit(x, c) * 4 + bit(x, d) * 8 + bit(x, e) * 16)
/*
* KeeLoq learning types
* https://phreakerclub.com/forum/showthread.php?t=67
*/
#define KEELOQ_LEARNING_UNKNOWN 0u
#define KEELOQ_LEARNING_SIMPLE 1u
#define KEELOQ_LEARNING_NORMAL 2u
#define KEELOQ_LEARNING_SECURE 3u
#define KEELOQ_LEARNING_MAGIC_XOR_TYPE_1 4u
/**
* Simple Learning Encrypt
* @param data - 0xBSSSCCCC, B(4bit) key, S(10bit) serial&0x3FF, C(16bit) counter
* @param key - manufacture (64bit)
* @return keeloq encrypt data
*/
uint32_t subghz_protocol_keeloq_common_encrypt(const uint32_t data, const uint64_t key);
/**
* Simple Learning Decrypt
* @param data - keeloq encrypt data
* @param key - manufacture (64bit)
* @return 0xBSSSCCCC, B(4bit) key, S(10bit) serial&0x3FF, C(16bit) counter
*/
uint32_t subghz_protocol_keeloq_common_decrypt(const uint32_t data, const uint64_t key);
/**
* Normal Learning
* @param data - serial number (28bit)
* @param key - manufacture (64bit)
* @return manufacture for this serial number (64bit)
*/
uint64_t subghz_protocol_keeloq_common_normal_learning(uint32_t data, const uint64_t key);
/**
* Secure Learning
* @param data - serial number (28bit)
* @param seed - seed number (32bit)
* @param key - manufacture (64bit)
* @return manufacture for this serial number (64bit)
*/
uint64_t
subghz_protocol_keeloq_common_secure_learning(uint32_t data, uint32_t seed, const uint64_t key);
/**
* Magic_xor_type1 Learning
* @param data - serial number (28bit)
* @param xor - magic xor (64bit)
* @return manufacture for this serial number (64bit)
*/
uint64_t subghz_protocol_keeloq_common_magic_xor_type1_learning(uint32_t data, uint64_t xor);