flipperzero-firmware/lib/subghz/protocols/subghz_protocol_keeloq_common.h
あく 389ff92cc1
Naming and coding style convention, new linter tool. (#945)
* Makefile, Scripts: new linter
* About: remove ID from IC
* Firmware: remove double define for DIVC/DIVR
* Scripts: check folder names too. Docker: replace syntax check with make lint.
* Reformat Sources and Migrate to new file naming convention
* Docker: symlink clang-format-12 to clang-format
* Add coding style guide
2022-01-05 19:10:18 +03:00

57 lines
1.7 KiB
C

#pragma once
#include "subghz_protocol_common.h"
#include "file_worker.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
/** Simple Learning Encrypt
* @param data - 0xBSSSCCCC, B(4bit) key, S(10bit) serial&0x3FF, C(16bit) counter
* @param key - manufacture (64bit)
* @return keelog encrypt data
*/
uint32_t subghz_protocol_keeloq_common_encrypt(const uint32_t data, const uint64_t key);
/** Simple Learning Decrypt
* @param data - keelog 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 - serial 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);