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Skorp sub ghz add protocol (#581)

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* SubGhz: Add Star Line protocol
* Rollback ReadMe changes
* SubGhz: add shared keystore for keeloq derived protocols.
* SubGhz: add missing key load routine

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
This commit is contained in:
Skorpionm
2021-07-16 19:37:48 +04:00
committed by GitHub
parent a837bc5d00
commit 1a039a86f8
9 changed files with 584 additions and 154 deletions
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lib/fl_subghz/protocols/subghz_protocol_keeloq.c
+17 -100
View File
@@ -1,91 +1,23 @@
#include "subghz_protocol_keeloq.h"
#include "subghz_protocol_keeloq_common.h"
#include "../subghz_keystore.h"
#include <furi.h>
#include <m-string.h>
#include <m-array.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
typedef struct {
string_t name;
uint64_t key;
uint16_t type;
} KeeLoqManufactureCode;
ARRAY_DEF(KeeLoqManufactureCodeArray, KeeLoqManufactureCode, M_POD_OPLIST)
#define M_OPL_KeeLoqManufactureCodeArray_t() ARRAY_OPLIST(KeeLoqManufactureCodeArray, M_POD_OPLIST)
struct SubGhzProtocolKeeloq {
SubGhzProtocolCommon common;
KeeLoqManufactureCodeArray_t manufacture_codes;
SubGhzKeystore* keystore;
const char* manufacture_name;
};
/** Simple Learning Encrypt
* @param data - 0xBSSSCCCC, B(4bit) key, S(10bit) serial&0x3FF, C(16bit) counter
* @param key - manufacture (64bit)
* @return keelog encrypt data
*/
inline uint32_t subghz_protocol_keeloq_encrypt(const uint32_t data, const uint64_t key) {
uint32_t x = data, r;
for (r = 0; r < 528; r++)
x = (x>>1)^((bit(x,0)^bit(x,16)^(uint32_t)bit(key,r&63)^bit(KEELOQ_NLF,g5(x,1,9,20,26,31)))<<31);
return x;
}
/** Simple Learning Decrypt
* @param data - keelog encrypt data
* @param key - manufacture (64bit)
* @return 0xBSSSCCCC, B(4bit) key, S(10bit) serial&0x3FF, C(16bit) counter
*/
inline uint32_t subghz_protocol_keeloq_decrypt(const uint32_t data, const uint64_t key) {
uint32_t x = data, r;
for (r = 0; r < 528; r++)
x = (x<<1)^bit(x,31)^bit(x,15)^(uint32_t)bit(key,(15-r)&63)^bit(KEELOQ_NLF,g5(x,0,8,19,25,30));
return x;
}
/** Normal Learning
* @param data - serial number (28bit)
* @param key - manufacture (64bit)
* @return manufacture for this serial number (64bit)
*/
inline uint64_t subghz_protocol_keeloq_normal_learning(uint32_t data, const uint64_t key){
uint32_t k1,k2;
data&=0x0FFFFFFF;
data|=0x20000000;
k1=subghz_protocol_keeloq_decrypt(data, key);
data&=0x0FFFFFFF;
data|=0x60000000;
k2=subghz_protocol_keeloq_decrypt(data, key);
return ((uint64_t)k2<<32)| k1; // key - shifrovanoya
}
SubGhzProtocolKeeloq* subghz_protocol_keeloq_alloc() {
SubGhzProtocolKeeloq* subghz_protocol_keeloq_alloc(SubGhzKeystore* keystore) {
SubGhzProtocolKeeloq* instance = furi_alloc(sizeof(SubGhzProtocolKeeloq));
instance->keystore = keystore;
instance->common.name = "KeeLoq";
instance->common.code_min_count_bit_for_found = 64;
instance->common.te_shot = 400;
@@ -93,29 +25,14 @@ SubGhzProtocolKeeloq* subghz_protocol_keeloq_alloc() {
instance->common.te_delta = 140;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_keeloq_to_str;
KeeLoqManufactureCodeArray_init(instance->manufacture_codes);
return instance;
}
void subghz_protocol_keeloq_free(SubGhzProtocolKeeloq* instance) {
furi_assert(instance);
for
M_EACH(manufacture_code, instance->manufacture_codes, KeeLoqManufactureCodeArray_t) {
string_clear(manufacture_code->name);
manufacture_code->key = 0;
}
KeeLoqManufactureCodeArray_clear(instance->manufacture_codes);
free(instance);
}
void subghz_protocol_keeloq_add_manafacture_key(SubGhzProtocolKeeloq* instance, const char* name, uint64_t key, uint16_t type) {
KeeLoqManufactureCode* manufacture_code = KeeLoqManufactureCodeArray_push_raw(instance->manufacture_codes);
string_init_set_str(manufacture_code->name, name);
manufacture_code->key = key;
manufacture_code->type = type;
}
/** Checking the accepted code against the database manafacture key
*
* @param instance SubGhzProtocolKeeloq instance
@@ -130,11 +47,11 @@ uint8_t subghz_protocol_keeloq_check_remote_controller_selector(SubGhzProtocolKe
uint64_t man_normal_learning;
for
M_EACH(manufacture_code, instance->manufacture_codes, KeeLoqManufactureCodeArray_t) {
M_EACH(manufacture_code, *subghz_keystore_get_data(instance->keystore), SubGhzKeyArray_t) {
switch (manufacture_code->type){
case KEELOQ_LEARNING_SIMPLE:
//Simple Learning
decrypt = subghz_protocol_keeloq_decrypt(hop, manufacture_code->key);
decrypt = subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
if((decrypt>>28 == btn) && ((((uint16_t)(decrypt>>16)) & 0x3FF) == end_serial)){
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
@@ -144,8 +61,8 @@ uint8_t subghz_protocol_keeloq_check_remote_controller_selector(SubGhzProtocolKe
case KEELOQ_LEARNING_NORMAL:
// Normal_Learning
// https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
man_normal_learning = subghz_protocol_keeloq_normal_learning(fix, manufacture_code->key);
decrypt=subghz_protocol_keeloq_decrypt(hop, man_normal_learning);
man_normal_learning = subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
decrypt=subghz_protocol_keeloq_common_decrypt(hop, man_normal_learning);
if( (decrypt>>28 ==btn)&& ((((uint16_t)(decrypt>>16))&0x3FF)==end_serial)){
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
@@ -154,7 +71,7 @@ uint8_t subghz_protocol_keeloq_check_remote_controller_selector(SubGhzProtocolKe
break;
case KEELOQ_LEARNING_UNKNOWN:
// Simple Learning
decrypt=subghz_protocol_keeloq_decrypt(hop, manufacture_code->key);
decrypt=subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
if( (decrypt>>28 ==btn) && ((((uint16_t)(decrypt>>16))&0x3FF)==end_serial)){
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt = decrypt & 0x0000FFFF;
@@ -167,7 +84,7 @@ uint8_t subghz_protocol_keeloq_check_remote_controller_selector(SubGhzProtocolKe
man_rev_byte=(uint8_t)(manufacture_code->key >> i);
man_rev = man_rev | man_rev_byte << (56-i);
}
decrypt=subghz_protocol_keeloq_decrypt(hop, man_rev);
decrypt=subghz_protocol_keeloq_common_decrypt(hop, man_rev);
if( (decrypt>>28 ==btn) && ((((uint16_t)(decrypt>>16))&0x3FF)==end_serial)){
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt= decrypt&0x0000FFFF;
@@ -176,8 +93,8 @@ uint8_t subghz_protocol_keeloq_check_remote_controller_selector(SubGhzProtocolKe
//###########################
// Normal_Learning
// https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
man_normal_learning = subghz_protocol_keeloq_normal_learning(fix, manufacture_code->key);
decrypt=subghz_protocol_keeloq_decrypt(hop, man_normal_learning);
man_normal_learning = subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
decrypt=subghz_protocol_keeloq_common_decrypt(hop, man_normal_learning);
if( (decrypt>>28 ==btn)&& ((((uint16_t)(decrypt>>16))&0x3FF)==end_serial)){
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt= decrypt&0x0000FFFF;
@@ -190,8 +107,8 @@ uint8_t subghz_protocol_keeloq_check_remote_controller_selector(SubGhzProtocolKe
man_rev_byte = (uint8_t)(manufacture_code->key >> i);
man_rev = man_rev | man_rev_byte << (56-i);
}
man_normal_learning = subghz_protocol_keeloq_normal_learning(fix, man_rev);
decrypt=subghz_protocol_keeloq_decrypt(hop, man_normal_learning);
man_normal_learning = subghz_protocol_keeloq_common_normal_learning(fix, man_rev);
decrypt=subghz_protocol_keeloq_common_decrypt(hop, man_normal_learning);
if( (decrypt>>28 ==btn) && ((((uint16_t)(decrypt>>16))&0x3FF)==end_serial)){
instance->manufacture_name = string_get_cstr(manufacture_code->name);
instance->common.cnt= decrypt&0x0000FFFF;