flipperzero-firmware/lib/subghz/protocols/subghz_protocol_nice_flor_s.c
あく 421a0f6b97
[FL-1546, FL-1534, FL-1550] Drop F5, Certification preparation, Global application start lock (#585)
* Firmware: drop F5 target
* Rename app-loader to loader
* Update code owners file
* Loader: global application start lock API, minor refactoring
* Archive: update loader usage
* Cli: Command flags, global application start lock
* Apps: update cli API usage
* Bootloader: minor refactoring
* Firmware: minor build refactoring
* SubGhz: GUI packet test
* SubGhz: drop packet transmission and unused presets
* Github: drop F5 from build
* Archive: favorites
* Archive: a little bit more of Favorites
2021-07-18 21:09:00 +03:00

238 lines
9.1 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#include "subghz_protocol_nice_flor_s.h"
#include <furi.h>
#include "file-worker.h"
/*
* https://phreakerclub.com/1615
* https://phreakerclub.com/forum/showthread.php?t=2360
* https://vrtp.ru/index.php?showtopic=27867
*/
struct SubGhzProtocolNiceFlorS {
SubGhzProtocolCommon common;
const char* rainbow_table_file_name;
};
SubGhzProtocolNiceFlorS* subghz_protocol_nice_flor_s_alloc() {
SubGhzProtocolNiceFlorS* instance = furi_alloc(sizeof(SubGhzProtocolNiceFlorS));
instance->common.name = "Nice FloR-S";
instance->common.code_min_count_bit_for_found = 52;
instance->common.te_shot = 500;
instance->common.te_long = 1000;
instance->common.te_delta = 300;
instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_nice_flor_s_to_str;
return instance;
}
void subghz_protocol_nice_flor_s_free(SubGhzProtocolNiceFlorS* instance) {
furi_assert(instance);
free(instance);
}
void subghz_protocol_nice_flor_s_name_file(SubGhzProtocolNiceFlorS* instance, const char* name) {
instance->rainbow_table_file_name = name;
printf("Loading Nice FloR S rainbow table %s\r\n", name);
}
/** Send bit
*
* @param instance - SubGhzProtocolNiceFlorS instance
* @param bit - bit
*/
void subghz_protocol_nice_flor_s_send_bit(SubGhzProtocolNiceFlorS* instance, uint8_t bit) {
if(bit) {
//send bit 1
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_long);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot);
} else {
//send bit 0
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_long);
}
}
void subghz_protocol_nice_flor_s_send_key(
SubGhzProtocolNiceFlorS* instance,
uint64_t key,
uint8_t bit,
uint8_t repeat) {
while(repeat--) {
//Send header
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot * 34);
//Send Start Bit
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot * 3);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot * 3);
//Send key data
for(uint8_t i = bit; i > 0; i--) {
subghz_protocol_nice_flor_s_send_bit(instance, bit_read(key, i - 1));
}
//Send Stop Bit
SUBGHZ_TX_PIN_HIGTH();
delay_us(instance->common.te_shot * 3);
SUBGHZ_TX_PIN_LOW();
delay_us(instance->common.te_shot * 3);
}
}
/** Read bytes from rainbow table
*
* @param instance - SubGhzProtocolNiceFlorS* instance
* @param address - address byte
* @return byte data
*/
uint8_t subghz_nice_flor_s_get_byte_in_file(SubGhzProtocolNiceFlorS* instance, uint32_t address) {
if(!instance->rainbow_table_file_name)
return 0;
uint8_t buffer = 0;
FileWorker* file_worker = file_worker_alloc(true);
if(file_worker_open(file_worker, instance->rainbow_table_file_name, FSAM_READ, FSOM_OPEN_EXISTING)) {
file_worker_seek(file_worker, address, true);
file_worker_read(file_worker, &buffer, 1);
// bool res = file_worker_read(file_worker, &buffer, 1);
// furi_assert(res== true);
}
file_worker_close(file_worker);
file_worker_free(file_worker);
return buffer;
}
/** Decrypt protocol Nice Flor S
*
* @param instance - SubGhzProtocolNiceFlorS* instance
*/
void subghz_nice_flor_s_decoder_decrypt(SubGhzProtocolNiceFlorS* instance) {
/*
* Packet format Nice Flor-s: START-P0-P1-P2-P3-P4-P5-P6-P7-STOP
* P0 (4-bit) - button positional code - 1:0x1, 2:0x2, 3:0x4, 4:0x8;
* P1 (4-bit) - batch repetition number, calculated by the formula:
* P1 = 0xF ^ P0 ^ n; where n changes from 1 to 15, then 0, and then in a circle
* key 1: {0xF,0xC,0xD,0xA,0xB,0x8,0x9,0x6,0x7,0x4,0x5,0x2,0x3,0x0,0x1,0xE};
* key 2: {0xC,0xF,0xE,0x9,0x8,0xB,0xA,0x5,0x4,0x7,0x6,0x1,0x0,0x3,0x2,0xD};
* key 3: {0xA,0x9,0x8,0xF,0xE,0xD,0xC,0x3,0x2,0x1,0x0,0x7,0x6,0x5,0x4,0xB};
* P2 (4-bit) - part of the serial number, P2 = (K ^ S3) & 0xF;
* P3 (byte) - the major part of the encrypted index
* P4 (byte) - the low-order part of the encrypted index
* P5 (byte) - part of the serial number, P5 = K ^ S2;
* P6 (byte) - part of the serial number, P6 = K ^ S1;
* P7 (byte) - part of the serial number, P7 = K ^ S0;
* K (byte) - depends on P3 and P4, K = Fk(P3, P4);
* S3,S2,S1,S0 - serial number of the console 28 bit.
*/
uint16_t p3p4 = (uint16_t)(instance->common.code_found >> 24);
instance->common.cnt = subghz_nice_flor_s_get_byte_in_file(instance,p3p4*2) << 8 | subghz_nice_flor_s_get_byte_in_file(instance,p3p4*2+1); //nice_flor_srainbow_table_for_search[p3p4]; тут надо считать поле с файла причем адрес надо у множить на 2
uint8_t k =(uint8_t)(p3p4 & 0x00FF) ^subghz_nice_flor_s_get_byte_in_file(instance,(0x20000 |(instance->common.cnt &0x00ff))); //nice_flor_srainbow_table_for_search[0x10000|subghz_protocol_nice_flor_s.cnt & 0x00ff];
uint8_t s3 = ((uint8_t)(instance->common.code_found >> 40) ^ k) & 0x0f;
uint8_t s2 = ((uint8_t)(instance->common.code_found >> 16) ^ k);
uint8_t s1 = ((uint8_t)(instance->common.code_found >> 8) ^ k);
uint8_t s0 = ((uint8_t)(instance->common.code_found) ^ k);
instance->common.serial = s3 << 24 | s2 << 16 | s1 << 8 | s0;
instance->common.btn = (instance->common.code_found >> 48) & 0x0f;
if(instance->common.callback) instance->common.callback((SubGhzProtocolCommon*)instance, instance->common.context);
}
void subghz_protocol_nice_flor_s_reset(SubGhzProtocolNiceFlorS* instance) {
instance->common.parser_step = 0;
}
void subghz_protocol_nice_flor_s_parse(SubGhzProtocolNiceFlorS* instance, bool level, uint32_t duration) {
switch(instance->common.parser_step) {
case 0:
if((!level)
&& (DURATION_DIFF(duration, instance->common.te_shot * 38) < instance->common.te_delta * 38)) {
//Found start header Nice Flor-S
instance->common.parser_step = 1;
} else {
instance->common.parser_step = 0;
}
break;
case 1:
if((level)
&& (DURATION_DIFF(duration, instance->common.te_shot * 3) < instance->common.te_delta * 3)) {
//Found next header Nice Flor-S
instance->common.parser_step = 2;
} else {
instance->common.parser_step = 0;
}
break;
case 2:
if((!level)
&& (DURATION_DIFF(duration, instance->common.te_shot * 3) < instance->common.te_delta * 3)) {
//Found header Nice Flor-S
instance->common.parser_step = 3;
instance->common.code_found = 0;
instance->common.code_count_bit = 0;
} else {
instance->common.parser_step = 0;
}
break;
case 3:
if(level) {
if(DURATION_DIFF(duration, instance->common.te_shot * 3) < instance->common.te_delta) {
//Found STOP bit
instance->common.parser_step = 0;
if(instance->common.code_count_bit >=instance->common.code_min_count_bit_for_found) {
subghz_nice_flor_s_decoder_decrypt(instance);
}
break;
} else {
//save interval
instance->common.te_last = duration;
instance->common.parser_step = 4;
}
}
break;
case 4:
if(!level) {
if((DURATION_DIFF(instance->common.te_last, instance->common.te_shot) < instance->common.te_delta)
&&(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 0);
instance->common.parser_step = 3;
} else if(
(DURATION_DIFF(instance->common.te_last, instance->common.te_long) < instance->common.te_delta)
&&(DURATION_DIFF(duration, instance->common.te_shot) < instance->common.te_delta)) {
subghz_protocol_common_add_bit(&instance->common, 1);
instance->common.parser_step = 3;
} else
instance->common.parser_step = 0;
} else {
instance->common.parser_step = 0;
}
break;
}
}
void subghz_protocol_nice_flor_s_to_str(SubGhzProtocolNiceFlorS* instance, string_t output) {
uint32_t code_found_hi = instance->common.code_found >> 32;
uint32_t code_found_lo = instance->common.code_found & 0x00000000ffffffff;
string_cat_printf(
output,
"Protocol %s, %d Bit\r\n"
" KEY:0x%lX%08lX\r\n"
" SN:%05lX\r\n"
" CNT:%04X BTN:%02lX\r\n",
instance->common.name,
instance->common.code_count_bit,
code_found_hi,
code_found_lo,
instance->common.serial,
instance->common.cnt,
instance->common.btn
);
}