mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
synced 2024-12-18 02:41:36 +03:00
421a0f6b97
* 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
238 lines
9.1 KiB
C
238 lines
9.1 KiB
C
#include "subghz_protocol_nice_flor_s.h"
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#include <furi.h>
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#include "file-worker.h"
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/*
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* https://phreakerclub.com/1615
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* https://phreakerclub.com/forum/showthread.php?t=2360
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* https://vrtp.ru/index.php?showtopic=27867
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*/
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struct SubGhzProtocolNiceFlorS {
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SubGhzProtocolCommon common;
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const char* rainbow_table_file_name;
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};
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SubGhzProtocolNiceFlorS* subghz_protocol_nice_flor_s_alloc() {
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SubGhzProtocolNiceFlorS* instance = furi_alloc(sizeof(SubGhzProtocolNiceFlorS));
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instance->common.name = "Nice FloR-S";
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instance->common.code_min_count_bit_for_found = 52;
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instance->common.te_shot = 500;
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instance->common.te_long = 1000;
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instance->common.te_delta = 300;
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instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_nice_flor_s_to_str;
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return instance;
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}
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void subghz_protocol_nice_flor_s_free(SubGhzProtocolNiceFlorS* instance) {
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furi_assert(instance);
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free(instance);
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}
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void subghz_protocol_nice_flor_s_name_file(SubGhzProtocolNiceFlorS* instance, const char* name) {
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instance->rainbow_table_file_name = name;
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printf("Loading Nice FloR S rainbow table %s\r\n", name);
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}
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/** Send bit
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*
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* @param instance - SubGhzProtocolNiceFlorS instance
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* @param bit - bit
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*/
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void subghz_protocol_nice_flor_s_send_bit(SubGhzProtocolNiceFlorS* instance, uint8_t bit) {
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if(bit) {
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//send bit 1
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SUBGHZ_TX_PIN_HIGTH();
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delay_us(instance->common.te_long);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_shot);
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} else {
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//send bit 0
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SUBGHZ_TX_PIN_HIGTH();
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delay_us(instance->common.te_shot);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_long);
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}
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}
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void subghz_protocol_nice_flor_s_send_key(
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SubGhzProtocolNiceFlorS* instance,
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uint64_t key,
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uint8_t bit,
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uint8_t repeat) {
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while(repeat--) {
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//Send header
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_shot * 34);
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//Send Start Bit
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SUBGHZ_TX_PIN_HIGTH();
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delay_us(instance->common.te_shot * 3);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_shot * 3);
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//Send key data
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for(uint8_t i = bit; i > 0; i--) {
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subghz_protocol_nice_flor_s_send_bit(instance, bit_read(key, i - 1));
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}
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//Send Stop Bit
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SUBGHZ_TX_PIN_HIGTH();
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delay_us(instance->common.te_shot * 3);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_shot * 3);
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}
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}
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/** Read bytes from rainbow table
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*
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* @param instance - SubGhzProtocolNiceFlorS* instance
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* @param address - address byte
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* @return byte data
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*/
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uint8_t subghz_nice_flor_s_get_byte_in_file(SubGhzProtocolNiceFlorS* instance, uint32_t address) {
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if(!instance->rainbow_table_file_name)
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return 0;
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uint8_t buffer = 0;
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FileWorker* file_worker = file_worker_alloc(true);
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if(file_worker_open(file_worker, instance->rainbow_table_file_name, FSAM_READ, FSOM_OPEN_EXISTING)) {
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file_worker_seek(file_worker, address, true);
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file_worker_read(file_worker, &buffer, 1);
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// bool res = file_worker_read(file_worker, &buffer, 1);
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// furi_assert(res== true);
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}
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file_worker_close(file_worker);
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file_worker_free(file_worker);
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return buffer;
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}
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/** Decrypt protocol Nice Flor S
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*
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* @param instance - SubGhzProtocolNiceFlorS* instance
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*/
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void subghz_nice_flor_s_decoder_decrypt(SubGhzProtocolNiceFlorS* instance) {
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/*
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* Packet format Nice Flor-s: START-P0-P1-P2-P3-P4-P5-P6-P7-STOP
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* P0 (4-bit) - button positional code - 1:0x1, 2:0x2, 3:0x4, 4:0x8;
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* P1 (4-bit) - batch repetition number, calculated by the formula:
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* P1 = 0xF ^ P0 ^ n; where n changes from 1 to 15, then 0, and then in a circle
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* key 1: {0xF,0xC,0xD,0xA,0xB,0x8,0x9,0x6,0x7,0x4,0x5,0x2,0x3,0x0,0x1,0xE};
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* key 2: {0xC,0xF,0xE,0x9,0x8,0xB,0xA,0x5,0x4,0x7,0x6,0x1,0x0,0x3,0x2,0xD};
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* key 3: {0xA,0x9,0x8,0xF,0xE,0xD,0xC,0x3,0x2,0x1,0x0,0x7,0x6,0x5,0x4,0xB};
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* P2 (4-bit) - part of the serial number, P2 = (K ^ S3) & 0xF;
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* P3 (byte) - the major part of the encrypted index
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* P4 (byte) - the low-order part of the encrypted index
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* P5 (byte) - part of the serial number, P5 = K ^ S2;
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* P6 (byte) - part of the serial number, P6 = K ^ S1;
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* P7 (byte) - part of the serial number, P7 = K ^ S0;
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* K (byte) - depends on P3 and P4, K = Fk(P3, P4);
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* S3,S2,S1,S0 - serial number of the console 28 bit.
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*/
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uint16_t p3p4 = (uint16_t)(instance->common.code_found >> 24);
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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
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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];
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uint8_t s3 = ((uint8_t)(instance->common.code_found >> 40) ^ k) & 0x0f;
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uint8_t s2 = ((uint8_t)(instance->common.code_found >> 16) ^ k);
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uint8_t s1 = ((uint8_t)(instance->common.code_found >> 8) ^ k);
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uint8_t s0 = ((uint8_t)(instance->common.code_found) ^ k);
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instance->common.serial = s3 << 24 | s2 << 16 | s1 << 8 | s0;
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instance->common.btn = (instance->common.code_found >> 48) & 0x0f;
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if(instance->common.callback) instance->common.callback((SubGhzProtocolCommon*)instance, instance->common.context);
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}
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void subghz_protocol_nice_flor_s_reset(SubGhzProtocolNiceFlorS* instance) {
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instance->common.parser_step = 0;
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}
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void subghz_protocol_nice_flor_s_parse(SubGhzProtocolNiceFlorS* instance, bool level, uint32_t duration) {
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switch(instance->common.parser_step) {
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case 0:
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if((!level)
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&& (DURATION_DIFF(duration, instance->common.te_shot * 38) < instance->common.te_delta * 38)) {
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//Found start header Nice Flor-S
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instance->common.parser_step = 1;
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} else {
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instance->common.parser_step = 0;
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}
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break;
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case 1:
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if((level)
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&& (DURATION_DIFF(duration, instance->common.te_shot * 3) < instance->common.te_delta * 3)) {
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//Found next header Nice Flor-S
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instance->common.parser_step = 2;
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} else {
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instance->common.parser_step = 0;
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}
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break;
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case 2:
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if((!level)
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&& (DURATION_DIFF(duration, instance->common.te_shot * 3) < instance->common.te_delta * 3)) {
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//Found header Nice Flor-S
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instance->common.parser_step = 3;
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instance->common.code_found = 0;
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instance->common.code_count_bit = 0;
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} else {
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instance->common.parser_step = 0;
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}
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break;
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case 3:
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if(level) {
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if(DURATION_DIFF(duration, instance->common.te_shot * 3) < instance->common.te_delta) {
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//Found STOP bit
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instance->common.parser_step = 0;
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if(instance->common.code_count_bit >=instance->common.code_min_count_bit_for_found) {
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subghz_nice_flor_s_decoder_decrypt(instance);
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}
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break;
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} else {
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//save interval
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instance->common.te_last = duration;
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instance->common.parser_step = 4;
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}
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}
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break;
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case 4:
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if(!level) {
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if((DURATION_DIFF(instance->common.te_last, instance->common.te_shot) < instance->common.te_delta)
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&&(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta)) {
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subghz_protocol_common_add_bit(&instance->common, 0);
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instance->common.parser_step = 3;
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} else if(
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(DURATION_DIFF(instance->common.te_last, instance->common.te_long) < instance->common.te_delta)
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&&(DURATION_DIFF(duration, instance->common.te_shot) < instance->common.te_delta)) {
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subghz_protocol_common_add_bit(&instance->common, 1);
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instance->common.parser_step = 3;
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} else
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instance->common.parser_step = 0;
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} else {
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instance->common.parser_step = 0;
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}
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break;
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}
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}
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void subghz_protocol_nice_flor_s_to_str(SubGhzProtocolNiceFlorS* instance, string_t output) {
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uint32_t code_found_hi = instance->common.code_found >> 32;
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uint32_t code_found_lo = instance->common.code_found & 0x00000000ffffffff;
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string_cat_printf(
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output,
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"Protocol %s, %d Bit\r\n"
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" KEY:0x%lX%08lX\r\n"
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" SN:%05lX\r\n"
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" CNT:%04X BTN:%02lX\r\n",
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instance->common.name,
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instance->common.code_count_bit,
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code_found_hi,
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code_found_lo,
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instance->common.serial,
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instance->common.cnt,
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instance->common.btn
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);
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} |