mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
synced 2024-12-27 15:22:29 +03:00
1362 lines
55 KiB
C
1362 lines
55 KiB
C
#include "keeloq.h"
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#include "keeloq_common.h"
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#include "../subghz_keystore.h"
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#include <m-array.h>
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#include "../blocks/const.h"
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#include "../blocks/decoder.h"
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#include "../blocks/encoder.h"
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#include "../blocks/generic.h"
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#include "../blocks/math.h"
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#include "../blocks/custom_btn_i.h"
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#include "../subghz_keystore_i.h"
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#define TAG "SubGhzProtocolKeeloq"
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static const SubGhzBlockConst subghz_protocol_keeloq_const = {
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.te_short = 400,
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.te_long = 800,
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.te_delta = 140,
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.min_count_bit_for_found = 64,
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};
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struct SubGhzProtocolDecoderKeeloq {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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SubGhzBlockGeneric generic;
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uint16_t header_count;
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SubGhzKeystore* keystore;
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const char* manufacture_name;
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FuriString* manufacture_from_file;
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};
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struct SubGhzProtocolEncoderKeeloq {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolBlockEncoder encoder;
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SubGhzBlockGeneric generic;
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SubGhzKeystore* keystore;
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const char* manufacture_name;
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FuriString* manufacture_from_file;
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};
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typedef enum {
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KeeloqDecoderStepReset = 0,
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KeeloqDecoderStepCheckPreambula,
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KeeloqDecoderStepSaveDuration,
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KeeloqDecoderStepCheckDuration,
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} KeeloqDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_keeloq_decoder = {
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.alloc = subghz_protocol_decoder_keeloq_alloc,
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.free = subghz_protocol_decoder_keeloq_free,
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.feed = subghz_protocol_decoder_keeloq_feed,
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.reset = subghz_protocol_decoder_keeloq_reset,
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.get_hash_data = subghz_protocol_decoder_keeloq_get_hash_data,
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.serialize = subghz_protocol_decoder_keeloq_serialize,
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.deserialize = subghz_protocol_decoder_keeloq_deserialize,
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.get_string = subghz_protocol_decoder_keeloq_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_keeloq_encoder = {
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.alloc = subghz_protocol_encoder_keeloq_alloc,
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.free = subghz_protocol_encoder_keeloq_free,
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.deserialize = subghz_protocol_encoder_keeloq_deserialize,
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.stop = subghz_protocol_encoder_keeloq_stop,
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.yield = subghz_protocol_encoder_keeloq_yield,
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};
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const SubGhzProtocol subghz_protocol_keeloq = {
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.name = SUBGHZ_PROTOCOL_KEELOQ_NAME,
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.type = SubGhzProtocolTypeDynamic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_315 |
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SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Load |
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SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
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.decoder = &subghz_protocol_keeloq_decoder,
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.encoder = &subghz_protocol_keeloq_encoder,
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};
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/**
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* Analysis of received data
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* @param instance Pointer to a SubGhzBlockGeneric* instance
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* @param keystore Pointer to a SubGhzKeystore* instance
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* @param manufacture_name
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*/
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static void subghz_protocol_keeloq_check_remote_controller(
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SubGhzBlockGeneric* instance,
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SubGhzKeystore* keystore,
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const char** manufacture_name);
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void* subghz_protocol_encoder_keeloq_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolEncoderKeeloq* instance = malloc(sizeof(SubGhzProtocolEncoderKeeloq));
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instance->base.protocol = &subghz_protocol_keeloq;
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instance->generic.protocol_name = instance->base.protocol->name;
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instance->keystore = subghz_environment_get_keystore(environment);
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instance->encoder.repeat = 100;
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instance->encoder.size_upload = 256;
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instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
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instance->encoder.is_running = false;
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instance->manufacture_from_file = furi_string_alloc();
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return instance;
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}
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void subghz_protocol_encoder_keeloq_free(void* context) {
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furi_assert(context);
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SubGhzProtocolEncoderKeeloq* instance = context;
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furi_string_free(instance->manufacture_from_file);
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free(instance->encoder.upload);
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free(instance);
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}
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/**
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* Key generation from simple data
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* @param instance Pointer to a SubGhzProtocolEncoderKeeloq* instance
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* @param btn Button number, 4 bit
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* @param counter_up increasing the counter if the value is true
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*/
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static bool subghz_protocol_keeloq_gen_data(
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SubGhzProtocolEncoderKeeloq* instance,
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uint8_t btn,
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bool counter_up) {
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uint32_t fix = (uint32_t)btn << 28 | instance->generic.serial;
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uint32_t hop = 0;
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uint64_t man = 0;
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uint64_t code_found_reverse;
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int res = 0;
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// No mf name set? -> set to ""
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if(instance->manufacture_name == 0x0) {
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instance->manufacture_name = "";
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}
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// programming mode on / off conditions
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ProgMode prog_mode = subghz_custom_btn_get_prog_mode();
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if(strcmp(instance->manufacture_name, "BFT") == 0) {
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// BFT programming mode on / off conditions
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if(btn == 0xF) {
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prog_mode = PROG_MODE_KEELOQ_BFT;
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} else if(prog_mode == PROG_MODE_KEELOQ_BFT) {
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prog_mode = PROG_MODE_OFF;
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}
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} else if(strcmp(instance->manufacture_name, "Aprimatic") == 0) {
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// Aprimatic programming mode on / off conditions
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if(btn == 0xF) {
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prog_mode = PROG_MODE_KEELOQ_APRIMATIC;
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} else if(prog_mode == PROG_MODE_KEELOQ_APRIMATIC) {
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prog_mode = PROG_MODE_OFF;
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}
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} else if(strcmp(instance->manufacture_name, "Dea_Mio") == 0) {
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// Dea_Mio programming mode on / off conditions
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if(btn == 0xF) {
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prog_mode = PROG_MODE_KEELOQ_DEA_MIO;
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} else if(prog_mode == PROG_MODE_KEELOQ_DEA_MIO) {
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prog_mode = PROG_MODE_OFF;
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}
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}
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subghz_custom_btn_set_prog_mode(prog_mode);
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// If we using BFT programming mode we will trasmit its seed in hop part like original remote
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if(prog_mode == PROG_MODE_KEELOQ_BFT) {
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hop = instance->generic.seed;
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} else if(prog_mode == PROG_MODE_KEELOQ_APRIMATIC) {
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// If we using Aprimatic programming mode we will trasmit some strange looking hop value, why? cuz manufacturer did it this way :)
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hop = 0x1A2B3C4D;
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} else if(prog_mode == PROG_MODE_KEELOQ_DEA_MIO) {
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// If we using DEA Mio programming mode we will trasmit only FIX value with button code 0xF, hop is zero
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hop = 0x00000000;
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}
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if(counter_up && prog_mode == PROG_MODE_OFF) {
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// Counter increment conditions
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// If counter is 0xFFFF we will reset it to 0
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if(instance->generic.cnt < 0xFFFF) {
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// Increase counter with value set in global settings (mult)
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if((instance->generic.cnt + furi_hal_subghz_get_rolling_counter_mult()) > 0xFFFF) {
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instance->generic.cnt = 0;
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} else {
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instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
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}
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} else if(instance->generic.cnt >= 0xFFFF) {
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instance->generic.cnt = 0;
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}
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}
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if(prog_mode == PROG_MODE_OFF) {
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// Protocols that do not use encryption
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if(strcmp(instance->manufacture_name, "Unknown") == 0) {
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// Simple Replay of received code
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code_found_reverse = subghz_protocol_blocks_reverse_key(
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instance->generic.data, instance->generic.data_count_bit);
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hop = code_found_reverse & 0x00000000ffffffff;
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} else if(strcmp(instance->manufacture_name, "AN-Motors") == 0) {
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// An-Motors encode
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hop = (instance->generic.cnt & 0xFF) << 24 | (instance->generic.cnt & 0xFF) << 16 |
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(btn & 0xF) << 12 | 0x404;
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} else if(strcmp(instance->manufacture_name, "HCS101") == 0) {
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// HCS101 Encode
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hop = instance->generic.cnt << 16 | (btn & 0xF) << 12 | 0x000;
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} else {
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// Protocols that use encryption
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uint32_t decrypt = (uint32_t)btn << 28 |
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(instance->generic.serial & 0x3FF)
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<< 16 | //ToDo in some protocols the discriminator is 0
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instance->generic.cnt;
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if(strcmp(instance->manufacture_name, "Aprimatic") == 0) {
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// Aprimatic uses 12bit serial number + 2bit APR1 "parity" bit in front of it replacing first 2 bits of serial
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// Thats in theory! We need to check if this is true for all Aprimatic remotes but we got only 3 recordings to test
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// For now lets assume that this is true for all Aprimatic remotes, if not we will need to add some more code here
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uint32_t apri_serial = instance->generic.serial;
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uint8_t apr1 = 0;
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for(uint16_t i = 1; i != 0b10000000000; i <<= 1) {
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if(apri_serial & i) apr1++;
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}
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apri_serial &= 0b00001111111111;
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if(apr1 % 2 == 0) {
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apri_serial |= 0b110000000000;
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}
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decrypt = btn << 28 | (apri_serial & 0xFFF) << 16 | instance->generic.cnt;
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} else if(
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(strcmp(instance->manufacture_name, "DTM_Neo") == 0) ||
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(strcmp(instance->manufacture_name, "FAAC_RC,XT") == 0) ||
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(strcmp(instance->manufacture_name, "Mutanco_Mutancode") == 0) ||
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(strcmp(instance->manufacture_name, "Came_Space") == 0) ||
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(strcmp(instance->manufacture_name, "Genius_Bravo") == 0) ||
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(strcmp(instance->manufacture_name, "GSN") == 0)) {
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// DTM Neo, Came_Space uses 12bit serial -> simple learning
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// FAAC_RC,XT , Mutanco_Mutancode, Genius_Bravo, GSN 12bit serial -> normal learning
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decrypt = btn << 28 | (instance->generic.serial & 0xFFF) << 16 |
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instance->generic.cnt;
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} else if(
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(strcmp(instance->manufacture_name, "NICE_Smilo") == 0) ||
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(strcmp(instance->manufacture_name, "NICE_MHOUSE") == 0) ||
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(strcmp(instance->manufacture_name, "JCM_Tech") == 0)) {
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// Nice Smilo, MHouse, JCM -> 8bit serial - simple learning
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decrypt = btn << 28 | (instance->generic.serial & 0xFF) << 16 |
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instance->generic.cnt;
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} else if(strcmp(instance->manufacture_name, "Beninca") == 0) {
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decrypt = btn << 28 | (0x000) << 16 | instance->generic.cnt;
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// Beninca / Allmatic -> no serial - simple XOR
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} else if(strcmp(instance->manufacture_name, "Centurion") == 0) {
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decrypt = btn << 28 | (0x1CE) << 16 | instance->generic.cnt;
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// Centurion -> no serial in hop, uses fixed value 0x1CE - normal learning
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} else if(strcmp(instance->manufacture_name, "Dea_Mio") == 0) {
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uint8_t first_disc_num = (instance->generic.serial >> 8) & 0xF;
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uint8_t result_disc = (0xC + (first_disc_num % 4));
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uint32_t dea_serial = (instance->generic.serial & 0xFF) |
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(((uint32_t)result_disc) << 8);
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decrypt = btn << 28 | (dea_serial & 0xFFF) << 16 | instance->generic.cnt;
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// Dea_Mio -> modified serial in hop, uses last 3 digits modifying first one (example - 419 -> C19)
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// (see formula in result_disc var) - simple learning
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}
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// Old type selector fixage for compatibilitiy with old signal files
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uint8_t kl_type_en = instance->keystore->kl_type;
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for
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M_EACH(
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manufacture_code,
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*subghz_keystore_get_data(instance->keystore),
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SubGhzKeyArray_t) {
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res = strcmp(
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furi_string_get_cstr(manufacture_code->name), instance->manufacture_name);
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if(res == 0) {
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switch(manufacture_code->type) {
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case KEELOQ_LEARNING_SIMPLE:
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//Simple Learning
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hop = subghz_protocol_keeloq_common_encrypt(
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decrypt, manufacture_code->key);
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break;
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case KEELOQ_LEARNING_NORMAL:
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//Simple Learning
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man = subghz_protocol_keeloq_common_normal_learning(
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fix, manufacture_code->key);
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hop = subghz_protocol_keeloq_common_encrypt(decrypt, man);
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break;
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case KEELOQ_LEARNING_SECURE:
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//Secure Learning
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man = subghz_protocol_keeloq_common_secure_learning(
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fix, instance->generic.seed, manufacture_code->key);
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hop = subghz_protocol_keeloq_common_encrypt(decrypt, man);
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break;
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case KEELOQ_LEARNING_MAGIC_XOR_TYPE_1:
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//Magic XOR type-1 Learning
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man = subghz_protocol_keeloq_common_magic_xor_type1_learning(
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instance->generic.serial, manufacture_code->key);
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hop = subghz_protocol_keeloq_common_encrypt(decrypt, man);
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break;
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case KEELOQ_LEARNING_MAGIC_SERIAL_TYPE_1:
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//Magic Serial Type 1 learning
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man = subghz_protocol_keeloq_common_magic_serial_type1_learning(
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fix, manufacture_code->key);
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hop = subghz_protocol_keeloq_common_encrypt(decrypt, man);
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break;
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case KEELOQ_LEARNING_UNKNOWN:
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if(kl_type_en == 1) {
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hop = subghz_protocol_keeloq_common_encrypt(
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decrypt, manufacture_code->key);
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}
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if(kl_type_en == 2) {
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man = subghz_protocol_keeloq_common_normal_learning(
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fix, manufacture_code->key);
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hop = subghz_protocol_keeloq_common_encrypt(decrypt, man);
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}
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if(kl_type_en == 3) {
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man = subghz_protocol_keeloq_common_secure_learning(
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fix, instance->generic.seed, manufacture_code->key);
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hop = subghz_protocol_keeloq_common_encrypt(decrypt, man);
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}
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if(kl_type_en == 4) {
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man = subghz_protocol_keeloq_common_magic_xor_type1_learning(
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instance->generic.serial, manufacture_code->key);
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hop = subghz_protocol_keeloq_common_encrypt(decrypt, man);
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}
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break;
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}
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break;
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}
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}
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}
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}
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if(hop || (prog_mode == PROG_MODE_KEELOQ_DEA_MIO) || (prog_mode == PROG_MODE_KEELOQ_BFT)) {
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// If we have hop - we will save it to generic data var that will be used later in transmission
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uint64_t yek = (uint64_t)fix << 32 | hop;
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instance->generic.data =
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subghz_protocol_blocks_reverse_key(yek, instance->generic.data_count_bit);
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} // What should happen if seed = 0 in bft programming mode -> collapse of the universe I think :)
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return true; // Always return true
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}
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bool subghz_protocol_keeloq_create_data(
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void* context,
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FlipperFormat* flipper_format,
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uint32_t serial,
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uint8_t btn,
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uint16_t cnt,
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const char* manufacture_name,
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SubGhzRadioPreset* preset) {
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furi_assert(context);
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SubGhzProtocolEncoderKeeloq* instance = context;
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instance->generic.serial = serial;
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instance->generic.cnt = cnt;
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instance->manufacture_name = manufacture_name;
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instance->generic.data_count_bit = 64;
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bool res = subghz_protocol_keeloq_gen_data(instance, btn, false);
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if(res) {
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return SubGhzProtocolStatusOk ==
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subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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return res;
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}
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bool subghz_protocol_keeloq_bft_create_data(
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void* context,
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FlipperFormat* flipper_format,
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uint32_t serial,
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uint8_t btn,
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uint16_t cnt,
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uint32_t seed,
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const char* manufacture_name,
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SubGhzRadioPreset* preset) {
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furi_assert(context);
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SubGhzProtocolEncoderKeeloq* instance = context;
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instance->generic.serial = serial;
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instance->generic.btn = btn;
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instance->generic.cnt = cnt;
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instance->generic.seed = seed;
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instance->manufacture_name = manufacture_name;
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instance->generic.data_count_bit = 64;
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// roguuemaster don't steal.!!!!
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bool res = subghz_protocol_keeloq_gen_data(instance, btn, false);
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if(res) {
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return SubGhzProtocolStatusOk ==
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subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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return res;
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}
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/**
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* Defines the button value for the current btn_id
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* Basic set | 0x1 | 0x2 | 0x4 | 0x8 | 0xA or Special Learning Code |
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* @param last_btn_code Candidate for the last button
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* @return Button code
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*/
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static uint8_t subghz_protocol_keeloq_get_btn_code(uint8_t last_btn_code);
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/**
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* Generating an upload from data.
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* @param instance Pointer to a SubGhzProtocolEncoderKeeloq instance
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* @return true On success
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*/
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static bool
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subghz_protocol_encoder_keeloq_get_upload(SubGhzProtocolEncoderKeeloq* instance, uint8_t btn) {
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furi_assert(instance);
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// Save original button
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if(subghz_custom_btn_get_original() == 0) {
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subghz_custom_btn_set_original(btn);
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}
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// No mf name set? -> set to ""
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if(instance->manufacture_name == 0x0) {
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instance->manufacture_name = "";
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}
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// Prog mode checks and extra fixage of MF Names
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ProgMode prog_mode = subghz_custom_btn_get_prog_mode();
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if(prog_mode == PROG_MODE_KEELOQ_BFT) {
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instance->manufacture_name = "BFT";
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} else if(prog_mode == PROG_MODE_KEELOQ_APRIMATIC) {
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instance->manufacture_name = "Aprimatic";
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} else if(prog_mode == PROG_MODE_KEELOQ_DEA_MIO) {
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instance->manufacture_name = "Dea_Mio";
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}
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// Custom button (programming mode button) for BFT, Aprimatic, Dea_Mio
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uint8_t klq_last_custom_btn = 0xA;
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if((strcmp(instance->manufacture_name, "BFT") == 0) ||
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(strcmp(instance->manufacture_name, "Aprimatic") == 0) ||
|
|
(strcmp(instance->manufacture_name, "Dea_Mio") == 0)) {
|
|
klq_last_custom_btn = 0xF;
|
|
}
|
|
|
|
btn = subghz_protocol_keeloq_get_btn_code(klq_last_custom_btn);
|
|
|
|
// Generate new key
|
|
if(subghz_protocol_keeloq_gen_data(instance, btn, true)) {
|
|
// OK
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
size_t index = 0;
|
|
size_t size_upload = 11 * 2 + 2 + (instance->generic.data_count_bit * 2) + 4;
|
|
if(size_upload > instance->encoder.size_upload) {
|
|
FURI_LOG_E(TAG, "Size upload exceeds allocated encoder buffer.");
|
|
return false;
|
|
} else {
|
|
instance->encoder.size_upload = size_upload;
|
|
}
|
|
|
|
//Send header
|
|
for(uint8_t i = 11; i > 0; i--) {
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short);
|
|
}
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short * 10);
|
|
|
|
//Send key data
|
|
for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
|
|
if(bit_read(instance->generic.data, i - 1)) {
|
|
//send bit 1
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_long);
|
|
} else {
|
|
//send bit 0
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_long);
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short);
|
|
}
|
|
}
|
|
// +send 2 status bit
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_long);
|
|
// send end
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short * 40);
|
|
|
|
return true;
|
|
}
|
|
|
|
SubGhzProtocolStatus
|
|
subghz_protocol_encoder_keeloq_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolEncoderKeeloq* instance = context;
|
|
SubGhzProtocolStatus ret = SubGhzProtocolStatusError;
|
|
do {
|
|
ret = subghz_block_generic_deserialize_check_count_bit(
|
|
&instance->generic,
|
|
flipper_format,
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found);
|
|
if(ret != SubGhzProtocolStatusOk) {
|
|
break;
|
|
}
|
|
if(instance->generic.data_count_bit !=
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found) {
|
|
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
|
break;
|
|
}
|
|
|
|
uint8_t seed_data[sizeof(uint32_t)] = {0};
|
|
for(size_t i = 0; i < sizeof(uint32_t); i++) {
|
|
seed_data[sizeof(uint32_t) - i - 1] = (instance->generic.seed >> i * 8) & 0xFF;
|
|
}
|
|
if(!flipper_format_read_hex(flipper_format, "Seed", seed_data, sizeof(uint32_t))) {
|
|
FURI_LOG_D(TAG, "ENCODER: Missing Seed");
|
|
}
|
|
instance->generic.seed = seed_data[0] << 24 | seed_data[1] << 16 | seed_data[2] << 8 |
|
|
seed_data[3];
|
|
|
|
if(!flipper_format_rewind(flipper_format)) {
|
|
FURI_LOG_E(TAG, "Rewind error");
|
|
break;
|
|
}
|
|
// Read manufacturer from file
|
|
if(flipper_format_read_string(
|
|
flipper_format, "Manufacture", instance->manufacture_from_file)) {
|
|
instance->manufacture_name = furi_string_get_cstr(instance->manufacture_from_file);
|
|
instance->keystore->mfname = instance->manufacture_name;
|
|
} else {
|
|
FURI_LOG_D(TAG, "ENCODER: Missing Manufacture");
|
|
}
|
|
|
|
if(!flipper_format_rewind(flipper_format)) {
|
|
FURI_LOG_E(TAG, "Rewind error");
|
|
break;
|
|
}
|
|
|
|
subghz_protocol_keeloq_check_remote_controller(
|
|
&instance->generic, instance->keystore, &instance->manufacture_name);
|
|
|
|
//optional parameter parameter
|
|
flipper_format_read_uint32(
|
|
flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
|
|
|
|
if(!subghz_protocol_encoder_keeloq_get_upload(instance, instance->generic.btn)) {
|
|
ret = SubGhzProtocolStatusErrorEncoderGetUpload;
|
|
break;
|
|
}
|
|
if(!flipper_format_rewind(flipper_format)) {
|
|
FURI_LOG_E(TAG, "Rewind error");
|
|
ret = SubGhzProtocolStatusErrorParserOthers;
|
|
break;
|
|
}
|
|
uint8_t key_data[sizeof(uint64_t)] = {0};
|
|
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
|
key_data[sizeof(uint64_t) - i - 1] = (instance->generic.data >> (i * 8)) & 0xFF;
|
|
}
|
|
if(!flipper_format_update_hex(flipper_format, "Key", key_data, sizeof(uint64_t))) {
|
|
FURI_LOG_E(TAG, "Unable to add Key");
|
|
ret = SubGhzProtocolStatusErrorParserKey;
|
|
break;
|
|
}
|
|
|
|
instance->encoder.is_running = true;
|
|
} while(false);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void subghz_protocol_encoder_keeloq_stop(void* context) {
|
|
SubGhzProtocolEncoderKeeloq* instance = context;
|
|
instance->encoder.is_running = false;
|
|
}
|
|
|
|
LevelDuration subghz_protocol_encoder_keeloq_yield(void* context) {
|
|
SubGhzProtocolEncoderKeeloq* instance = context;
|
|
|
|
if(instance->encoder.repeat == 0 || !instance->encoder.is_running) {
|
|
instance->encoder.is_running = false;
|
|
return level_duration_reset();
|
|
}
|
|
|
|
LevelDuration ret = instance->encoder.upload[instance->encoder.front];
|
|
|
|
if(++instance->encoder.front == instance->encoder.size_upload) {
|
|
instance->encoder.repeat--;
|
|
instance->encoder.front = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void* subghz_protocol_decoder_keeloq_alloc(SubGhzEnvironment* environment) {
|
|
SubGhzProtocolDecoderKeeloq* instance = malloc(sizeof(SubGhzProtocolDecoderKeeloq));
|
|
instance->base.protocol = &subghz_protocol_keeloq;
|
|
instance->generic.protocol_name = instance->base.protocol->name;
|
|
instance->keystore = subghz_environment_get_keystore(environment);
|
|
instance->manufacture_from_file = furi_string_alloc();
|
|
|
|
subghz_custom_btn_set_prog_mode(PROG_MODE_OFF);
|
|
|
|
return instance;
|
|
}
|
|
|
|
void subghz_protocol_decoder_keeloq_free(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
furi_string_free(instance->manufacture_from_file);
|
|
|
|
free(instance);
|
|
}
|
|
|
|
void subghz_protocol_decoder_keeloq_reset(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
instance->decoder.parser_step = KeeloqDecoderStepReset;
|
|
// TODO
|
|
instance->keystore->mfname = "";
|
|
instance->keystore->kl_type = 0;
|
|
}
|
|
|
|
void subghz_protocol_decoder_keeloq_feed(void* context, bool level, uint32_t duration) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
|
|
switch(instance->decoder.parser_step) {
|
|
case KeeloqDecoderStepReset:
|
|
if((level) && DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short) <
|
|
subghz_protocol_keeloq_const.te_delta) {
|
|
instance->decoder.parser_step = KeeloqDecoderStepCheckPreambula;
|
|
instance->header_count++;
|
|
}
|
|
break;
|
|
case KeeloqDecoderStepCheckPreambula:
|
|
if((!level) && (DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short) <
|
|
subghz_protocol_keeloq_const.te_delta)) {
|
|
instance->decoder.parser_step = KeeloqDecoderStepReset;
|
|
break;
|
|
}
|
|
if((instance->header_count > 2) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short * 10) <
|
|
subghz_protocol_keeloq_const.te_delta * 10)) {
|
|
// Found header
|
|
instance->decoder.parser_step = KeeloqDecoderStepSaveDuration;
|
|
instance->decoder.decode_data = 0;
|
|
instance->decoder.decode_count_bit = 0;
|
|
} else {
|
|
instance->decoder.parser_step = KeeloqDecoderStepReset;
|
|
instance->header_count = 0;
|
|
}
|
|
break;
|
|
case KeeloqDecoderStepSaveDuration:
|
|
if(level) {
|
|
instance->decoder.te_last = duration;
|
|
instance->decoder.parser_step = KeeloqDecoderStepCheckDuration;
|
|
}
|
|
break;
|
|
case KeeloqDecoderStepCheckDuration:
|
|
if(!level) {
|
|
if(duration >= ((uint32_t)subghz_protocol_keeloq_const.te_short * 2 +
|
|
subghz_protocol_keeloq_const.te_delta)) {
|
|
// Found end TX
|
|
instance->decoder.parser_step = KeeloqDecoderStepReset;
|
|
if((instance->decoder.decode_count_bit >=
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found) &&
|
|
(instance->decoder.decode_count_bit <=
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found + 2)) {
|
|
if(instance->generic.data != instance->decoder.decode_data) {
|
|
instance->generic.data = instance->decoder.decode_data;
|
|
instance->generic.data_count_bit =
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found;
|
|
if(instance->base.callback)
|
|
instance->base.callback(&instance->base, instance->base.context);
|
|
}
|
|
instance->decoder.decode_data = 0;
|
|
instance->decoder.decode_count_bit = 0;
|
|
instance->header_count = 0;
|
|
}
|
|
break;
|
|
} else if(
|
|
(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_keeloq_const.te_short) <
|
|
subghz_protocol_keeloq_const.te_delta) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_long) <
|
|
subghz_protocol_keeloq_const.te_delta * 2)) {
|
|
if(instance->decoder.decode_count_bit <
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found) {
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
|
|
} else {
|
|
instance->decoder.decode_count_bit++;
|
|
}
|
|
instance->decoder.parser_step = KeeloqDecoderStepSaveDuration;
|
|
} else if(
|
|
(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_keeloq_const.te_long) <
|
|
subghz_protocol_keeloq_const.te_delta * 2) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short) <
|
|
subghz_protocol_keeloq_const.te_delta)) {
|
|
if(instance->decoder.decode_count_bit <
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found) {
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
|
|
} else {
|
|
instance->decoder.decode_count_bit++;
|
|
}
|
|
instance->decoder.parser_step = KeeloqDecoderStepSaveDuration;
|
|
} else {
|
|
instance->decoder.parser_step = KeeloqDecoderStepReset;
|
|
instance->header_count = 0;
|
|
}
|
|
} else {
|
|
instance->decoder.parser_step = KeeloqDecoderStepReset;
|
|
instance->header_count = 0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validation of decrypt data.
|
|
* @param instance Pointer to a SubGhzBlockGeneric instance
|
|
* @param decrypt Decrypted data
|
|
* @param btn Button number, 4 bit
|
|
* @param end_serial decrement the last 10 bits of the serial number
|
|
* @return true On success
|
|
*/
|
|
static inline bool subghz_protocol_keeloq_check_decrypt(
|
|
SubGhzBlockGeneric* instance,
|
|
uint32_t decrypt,
|
|
uint8_t btn,
|
|
uint32_t end_serial) {
|
|
furi_assert(instance);
|
|
if((decrypt >> 28 == btn) && (((((uint16_t)(decrypt >> 16)) & 0xFF) == end_serial) ||
|
|
((((uint16_t)(decrypt >> 16)) & 0xFF) == 0))) {
|
|
instance->cnt = decrypt & 0x0000FFFF;
|
|
/*FURI_LOG_I(
|
|
"KL",
|
|
"decrypt: 0x%08lX, btn: %d, end_serial: 0x%03lX, cnt: %ld",
|
|
decrypt,
|
|
btn,
|
|
end_serial,
|
|
instance->cnt);*/
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
// Centurion specific check
|
|
static inline bool subghz_protocol_keeloq_check_decrypt_centurion(
|
|
SubGhzBlockGeneric* instance,
|
|
uint32_t decrypt,
|
|
uint8_t btn) {
|
|
furi_assert(instance);
|
|
|
|
if((decrypt >> 28 == btn) && (((((uint16_t)(decrypt >> 16)) & 0x3FF) == 0x1CE))) {
|
|
instance->cnt = decrypt & 0x0000FFFF;
|
|
/*FURI_LOG_I(
|
|
"KL",
|
|
"decrypt: 0x%08lX, btn: %d, end_serial: 0x%03lX, cnt: %ld",
|
|
decrypt,
|
|
btn,
|
|
end_serial,
|
|
instance->cnt);*/
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checking the accepted code against the database manafacture key
|
|
* @param instance Pointer to a SubGhzBlockGeneric* instance
|
|
* @param fix Fix part of the parcel
|
|
* @param hop Hop encrypted part of the parcel
|
|
* @param keystore Pointer to a SubGhzKeystore* instance
|
|
* @param manufacture_name
|
|
* @return true on successful search
|
|
*/
|
|
static uint8_t subghz_protocol_keeloq_check_remote_controller_selector(
|
|
SubGhzBlockGeneric* instance,
|
|
uint32_t fix,
|
|
uint32_t hop,
|
|
SubGhzKeystore* keystore,
|
|
const char** manufacture_name) {
|
|
// protocol HCS300 uses 10 bits in discriminator, HCS200 uses 8 bits, for backward compatibility, we are looking for the 8-bit pattern
|
|
// HCS300 -> uint16_t end_serial = (uint16_t)(fix & 0x3FF);
|
|
// HCS200 -> uint16_t end_serial = (uint16_t)(fix & 0xFF);
|
|
|
|
uint16_t end_serial = (uint16_t)(fix & 0xFF);
|
|
uint8_t btn = (uint8_t)(fix >> 28);
|
|
uint32_t decrypt = 0;
|
|
uint64_t man;
|
|
bool mf_not_set = false;
|
|
// TODO:
|
|
// if(mfname == 0x0) {
|
|
// mfname = "";
|
|
// }
|
|
|
|
const char* mfname = keystore->mfname;
|
|
|
|
if(strcmp(mfname, "Unknown") == 0) {
|
|
return 1;
|
|
} else if(strcmp(mfname, "") == 0) {
|
|
mf_not_set = true;
|
|
}
|
|
for
|
|
M_EACH(manufacture_code, *subghz_keystore_get_data(keystore), SubGhzKeyArray_t) {
|
|
if(mf_not_set || (strcmp(furi_string_get_cstr(manufacture_code->name), mfname) == 0)) {
|
|
switch(manufacture_code->type) {
|
|
case KEELOQ_LEARNING_SIMPLE:
|
|
// Simple Learning
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_NORMAL:
|
|
// Normal Learning
|
|
// https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
|
|
man =
|
|
subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if((strcmp(furi_string_get_cstr(manufacture_code->name), "Centurion") == 0)) {
|
|
if(subghz_protocol_keeloq_check_decrypt_centurion(instance, decrypt, btn)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
} else {
|
|
if(subghz_protocol_keeloq_check_decrypt(
|
|
instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_SECURE:
|
|
man = subghz_protocol_keeloq_common_secure_learning(
|
|
fix, instance->seed, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_MAGIC_XOR_TYPE_1:
|
|
man = subghz_protocol_keeloq_common_magic_xor_type1_learning(
|
|
fix, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_MAGIC_SERIAL_TYPE_1:
|
|
man = subghz_protocol_keeloq_common_magic_serial_type1_learning(
|
|
fix, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_MAGIC_SERIAL_TYPE_2:
|
|
man = subghz_protocol_keeloq_common_magic_serial_type2_learning(
|
|
fix, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_MAGIC_SERIAL_TYPE_3:
|
|
man = subghz_protocol_keeloq_common_magic_serial_type3_learning(
|
|
fix, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
return 1;
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_UNKNOWN:
|
|
// Simple Learning
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 1;
|
|
return 1;
|
|
}
|
|
|
|
// Check for mirrored man
|
|
uint64_t man_rev = 0;
|
|
uint64_t man_rev_byte = 0;
|
|
for(uint8_t i = 0; i < 64; i += 8) {
|
|
man_rev_byte = (uint8_t)(manufacture_code->key >> i);
|
|
man_rev = man_rev | man_rev_byte << (56 - i);
|
|
}
|
|
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man_rev);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 1;
|
|
return 1;
|
|
}
|
|
|
|
//###########################
|
|
// Normal Learning
|
|
// https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
|
|
man =
|
|
subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 2;
|
|
return 1;
|
|
}
|
|
|
|
// Check for mirrored man
|
|
man = subghz_protocol_keeloq_common_normal_learning(fix, man_rev);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 2;
|
|
return 1;
|
|
}
|
|
|
|
// Secure Learning
|
|
man = subghz_protocol_keeloq_common_secure_learning(
|
|
fix, instance->seed, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 3;
|
|
return 1;
|
|
}
|
|
|
|
// Check for mirrored man
|
|
man = subghz_protocol_keeloq_common_secure_learning(
|
|
fix, instance->seed, man_rev);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 3;
|
|
return 1;
|
|
}
|
|
|
|
// Magic xor type1 learning
|
|
man = subghz_protocol_keeloq_common_magic_xor_type1_learning(
|
|
fix, manufacture_code->key);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 4;
|
|
return 1;
|
|
}
|
|
|
|
// Check for mirrored man
|
|
man = subghz_protocol_keeloq_common_magic_xor_type1_learning(fix, man_rev);
|
|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
|
if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
|
|
keystore->mfname = *manufacture_name;
|
|
keystore->kl_type = 4;
|
|
return 1;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// MF not found
|
|
*manufacture_name = "Unknown";
|
|
keystore->mfname = "Unknown";
|
|
instance->cnt = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void subghz_protocol_keeloq_check_remote_controller(
|
|
SubGhzBlockGeneric* instance,
|
|
SubGhzKeystore* keystore,
|
|
const char** manufacture_name) {
|
|
// Reverse key, split FIX and HOP parts
|
|
uint64_t key = subghz_protocol_blocks_reverse_key(instance->data, instance->data_count_bit);
|
|
uint32_t key_fix = key >> 32;
|
|
uint32_t key_hop = key & 0x00000000ffffffff;
|
|
static uint16_t temp_counter = 0; // Be careful with prog_mode
|
|
|
|
// If we are in BFT / Aprimatic / Dea_Mio programming mode we will set previous remembered counter and skip mf keys check
|
|
ProgMode prog_mode = subghz_custom_btn_get_prog_mode();
|
|
if(prog_mode == PROG_MODE_OFF) {
|
|
if(keystore->mfname == 0x0) {
|
|
keystore->mfname = "";
|
|
}
|
|
if(*manufacture_name == 0x0) {
|
|
*manufacture_name = "";
|
|
}
|
|
|
|
// Case when we have no mf name means that we are checking for the first time and we have to check all conditions
|
|
if(strlen(keystore->mfname) < 1) {
|
|
// Check key AN-Motors
|
|
if((key_hop >> 24) == ((key_hop >> 16) & 0x00ff) &&
|
|
(key_fix >> 28) == ((key_hop >> 12) & 0x0f) && (key_hop & 0xFFF) == 0x404) {
|
|
*manufacture_name = "AN-Motors";
|
|
keystore->mfname = *manufacture_name;
|
|
instance->cnt = key_hop >> 16;
|
|
} else if((key_hop & 0xFFF) == (0x000) && (key_fix >> 28) == ((key_hop >> 12) & 0x0f)) {
|
|
*manufacture_name = "HCS101";
|
|
keystore->mfname = *manufacture_name;
|
|
instance->cnt = key_hop >> 16;
|
|
} else {
|
|
subghz_protocol_keeloq_check_remote_controller_selector(
|
|
instance, key_fix, key_hop, keystore, manufacture_name);
|
|
}
|
|
} else {
|
|
// If we have mfname and its one of AN-Motors or HCS101 we should preform only check for this system
|
|
if(strcmp(keystore->mfname, "AN-Motors") == 0) {
|
|
// Force key to AN-Motors
|
|
*manufacture_name = "AN-Motors";
|
|
keystore->mfname = *manufacture_name;
|
|
instance->cnt = key_hop >> 16;
|
|
} else if(strcmp(keystore->mfname, "HCS101") == 0) {
|
|
// Force key to HCS101
|
|
*manufacture_name = "HCS101";
|
|
keystore->mfname = *manufacture_name;
|
|
instance->cnt = key_hop >> 16;
|
|
} else {
|
|
// Else we have mfname that is not AN-Motors or HCS101 we should check it via default selector
|
|
subghz_protocol_keeloq_check_remote_controller_selector(
|
|
instance, key_fix, key_hop, keystore, manufacture_name);
|
|
}
|
|
}
|
|
// Save original counter as temp counter in case of later usage of prog mode
|
|
temp_counter = instance->cnt;
|
|
|
|
} else if(prog_mode == PROG_MODE_KEELOQ_BFT) {
|
|
// When we are in prog mode we should fix mfname and apply temp counter
|
|
*manufacture_name = "BFT";
|
|
keystore->mfname = *manufacture_name;
|
|
instance->cnt = temp_counter;
|
|
} else if(prog_mode == PROG_MODE_KEELOQ_APRIMATIC) {
|
|
// When we are in prog mode we should fix mfname and apply temp counter
|
|
*manufacture_name = "Aprimatic";
|
|
keystore->mfname = *manufacture_name;
|
|
instance->cnt = temp_counter;
|
|
} else if(prog_mode == PROG_MODE_KEELOQ_DEA_MIO) {
|
|
// When we are in prog mode we should fix mfname and apply temp counter
|
|
*manufacture_name = "Dea_Mio";
|
|
keystore->mfname = *manufacture_name;
|
|
instance->cnt = temp_counter;
|
|
} else {
|
|
// Counter protection
|
|
furi_crash("Unsupported Prog Mode");
|
|
}
|
|
|
|
// Get serial and button code from FIX part of the key
|
|
instance->serial = key_fix & 0x0FFFFFFF;
|
|
instance->btn = key_fix >> 28;
|
|
|
|
// Save original button for later use
|
|
if(subghz_custom_btn_get_original() == 0) {
|
|
subghz_custom_btn_set_original(instance->btn);
|
|
}
|
|
// Set max custom buttons
|
|
subghz_custom_btn_set_max(4);
|
|
}
|
|
|
|
uint8_t subghz_protocol_decoder_keeloq_get_hash_data(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
return subghz_protocol_blocks_get_hash_data(
|
|
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
|
}
|
|
|
|
SubGhzProtocolStatus subghz_protocol_decoder_keeloq_serialize(
|
|
void* context,
|
|
FlipperFormat* flipper_format,
|
|
SubGhzRadioPreset* preset) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
|
|
SubGhzProtocolStatus res =
|
|
subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
|
|
|
subghz_protocol_keeloq_check_remote_controller(
|
|
&instance->generic, instance->keystore, &instance->manufacture_name);
|
|
|
|
if(strcmp(instance->manufacture_name, "BFT") == 0) {
|
|
uint8_t seed_data[sizeof(uint32_t)] = {0};
|
|
for(size_t i = 0; i < sizeof(uint32_t); i++) {
|
|
seed_data[sizeof(uint32_t) - i - 1] = (instance->generic.seed >> i * 8) & 0xFF;
|
|
}
|
|
if((res == SubGhzProtocolStatusOk) &&
|
|
!flipper_format_write_hex(flipper_format, "Seed", seed_data, sizeof(uint32_t))) {
|
|
FURI_LOG_E(TAG, "DECODER Serialize: Unable to add Seed");
|
|
res = SubGhzProtocolStatusError;
|
|
}
|
|
instance->generic.seed = seed_data[0] << 24 | seed_data[1] << 16 | seed_data[2] << 8 |
|
|
seed_data[3];
|
|
}
|
|
|
|
if((res == SubGhzProtocolStatusOk) &&
|
|
!flipper_format_write_string_cstr(
|
|
flipper_format, "Manufacture", instance->manufacture_name)) {
|
|
FURI_LOG_E(TAG, "DECODER Serialize: Unable to add manufacture name");
|
|
res = SubGhzProtocolStatusError;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
SubGhzProtocolStatus
|
|
subghz_protocol_decoder_keeloq_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
SubGhzProtocolStatus res = SubGhzProtocolStatusError;
|
|
do {
|
|
if(SubGhzProtocolStatusOk !=
|
|
subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
|
FURI_LOG_E(TAG, "Deserialize error");
|
|
break;
|
|
}
|
|
if(instance->generic.data_count_bit !=
|
|
subghz_protocol_keeloq_const.min_count_bit_for_found) {
|
|
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
|
break;
|
|
}
|
|
|
|
uint8_t seed_data[sizeof(uint32_t)] = {0};
|
|
for(size_t i = 0; i < sizeof(uint32_t); i++) {
|
|
seed_data[sizeof(uint32_t) - i - 1] = (instance->generic.seed >> i * 8) & 0xFF;
|
|
}
|
|
if(!flipper_format_read_hex(flipper_format, "Seed", seed_data, sizeof(uint32_t))) {
|
|
FURI_LOG_D(TAG, "DECODER: Missing Seed");
|
|
}
|
|
instance->generic.seed = seed_data[0] << 24 | seed_data[1] << 16 | seed_data[2] << 8 |
|
|
seed_data[3];
|
|
|
|
if(!flipper_format_rewind(flipper_format)) {
|
|
FURI_LOG_E(TAG, "Rewind error");
|
|
break;
|
|
}
|
|
// Read manufacturer from file
|
|
if(flipper_format_read_string(
|
|
flipper_format, "Manufacture", instance->manufacture_from_file)) {
|
|
instance->manufacture_name = furi_string_get_cstr(instance->manufacture_from_file);
|
|
instance->keystore->mfname = instance->manufacture_name;
|
|
} else {
|
|
FURI_LOG_D(TAG, "DECODER: Missing Manufacture");
|
|
}
|
|
|
|
if(!flipper_format_rewind(flipper_format)) {
|
|
FURI_LOG_E(TAG, "Rewind error");
|
|
break;
|
|
}
|
|
|
|
res = SubGhzProtocolStatusOk;
|
|
} while(false);
|
|
|
|
return res;
|
|
}
|
|
|
|
static uint8_t subghz_protocol_keeloq_get_btn_code(uint8_t last_btn_code) {
|
|
uint8_t custom_btn_id = subghz_custom_btn_get();
|
|
uint8_t original_btn_code = subghz_custom_btn_get_original();
|
|
uint8_t btn = original_btn_code;
|
|
|
|
if(last_btn_code == 0) {
|
|
last_btn_code = 0xA;
|
|
}
|
|
|
|
// Set custom button
|
|
// Basic set | 0x1 | 0x2 | 0x4 | 0x8 | 0xA or Special Learning Code |
|
|
if((custom_btn_id == SUBGHZ_CUSTOM_BTN_OK) && (original_btn_code != 0)) {
|
|
// Restore original button code
|
|
btn = original_btn_code;
|
|
} else if(custom_btn_id == SUBGHZ_CUSTOM_BTN_UP) {
|
|
switch(original_btn_code) {
|
|
case 0x1:
|
|
btn = 0x2;
|
|
break;
|
|
case 0x2:
|
|
btn = 0x1;
|
|
break;
|
|
case 0xA:
|
|
btn = 0x1;
|
|
break;
|
|
case 0x4:
|
|
btn = 0x1;
|
|
break;
|
|
case 0x8:
|
|
btn = 0x1;
|
|
break;
|
|
case 0xF:
|
|
btn = 0x1;
|
|
break;
|
|
|
|
default:
|
|
btn = 0x1;
|
|
break;
|
|
}
|
|
} else if(custom_btn_id == SUBGHZ_CUSTOM_BTN_DOWN) {
|
|
switch(original_btn_code) {
|
|
case 0x1:
|
|
btn = 0x4;
|
|
break;
|
|
case 0x2:
|
|
btn = 0x4;
|
|
break;
|
|
case 0xA:
|
|
btn = 0x4;
|
|
break;
|
|
case 0x4:
|
|
btn = last_btn_code;
|
|
break;
|
|
case 0x8:
|
|
btn = 0x4;
|
|
break;
|
|
case 0xF:
|
|
btn = 0x4;
|
|
break;
|
|
|
|
default:
|
|
btn = 0x4;
|
|
break;
|
|
}
|
|
} else if(custom_btn_id == SUBGHZ_CUSTOM_BTN_LEFT) {
|
|
switch(original_btn_code) {
|
|
case 0x1:
|
|
btn = 0x8;
|
|
break;
|
|
case 0x2:
|
|
btn = 0x8;
|
|
break;
|
|
case 0xA:
|
|
btn = 0x8;
|
|
break;
|
|
case 0x4:
|
|
btn = 0x8;
|
|
break;
|
|
case 0x8:
|
|
btn = 0x2;
|
|
break;
|
|
case 0xF:
|
|
btn = 0x8;
|
|
break;
|
|
|
|
default:
|
|
btn = 0x8;
|
|
break;
|
|
}
|
|
} else if(custom_btn_id == SUBGHZ_CUSTOM_BTN_RIGHT) {
|
|
switch(original_btn_code) {
|
|
case 0x1:
|
|
btn = last_btn_code;
|
|
break;
|
|
case 0x2:
|
|
btn = last_btn_code;
|
|
break;
|
|
case 0xA:
|
|
btn = 0x2;
|
|
break;
|
|
case 0x4:
|
|
btn = 0x2;
|
|
break;
|
|
case 0x8:
|
|
btn = last_btn_code;
|
|
break;
|
|
case 0xF:
|
|
btn = 0x2;
|
|
break;
|
|
|
|
default:
|
|
btn = 0x2;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return btn;
|
|
}
|
|
|
|
void subghz_protocol_decoder_keeloq_get_string(void* context, FuriString* output) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
|
|
subghz_protocol_keeloq_check_remote_controller(
|
|
&instance->generic, instance->keystore, &instance->manufacture_name);
|
|
|
|
uint32_t code_found_hi = instance->generic.data >> 32;
|
|
uint32_t code_found_lo = instance->generic.data & 0x00000000ffffffff;
|
|
|
|
uint64_t code_found_reverse = subghz_protocol_blocks_reverse_key(
|
|
instance->generic.data, instance->generic.data_count_bit);
|
|
uint32_t code_found_reverse_hi = code_found_reverse >> 32;
|
|
uint32_t code_found_reverse_lo = code_found_reverse & 0x00000000ffffffff;
|
|
|
|
if(strcmp(instance->manufacture_name, "BFT") == 0) {
|
|
furi_string_cat_printf(
|
|
output,
|
|
"%s %dbit\r\n"
|
|
"Key:%08lX%08lX\r\n"
|
|
"Fix:0x%08lX Cnt:%04lX\r\n"
|
|
"Hop:0x%08lX Btn:%01X\r\n"
|
|
"MF:%s Sd:%08lX",
|
|
instance->generic.protocol_name,
|
|
instance->generic.data_count_bit,
|
|
code_found_hi,
|
|
code_found_lo,
|
|
code_found_reverse_hi,
|
|
instance->generic.cnt,
|
|
code_found_reverse_lo,
|
|
instance->generic.btn,
|
|
instance->manufacture_name,
|
|
instance->generic.seed);
|
|
} else if(strcmp(instance->manufacture_name, "Unknown") == 0) {
|
|
instance->generic.cnt = 0x0;
|
|
furi_string_cat_printf(
|
|
output,
|
|
"%s %dbit\r\n"
|
|
"Key:%08lX%08lX\r\n"
|
|
"Fix:0x%08lX Cnt:????\r\n"
|
|
"Hop:0x%08lX Btn:%01X\r\n"
|
|
"MF:%s",
|
|
instance->generic.protocol_name,
|
|
instance->generic.data_count_bit,
|
|
code_found_hi,
|
|
code_found_lo,
|
|
code_found_reverse_hi,
|
|
code_found_reverse_lo,
|
|
instance->generic.btn,
|
|
instance->manufacture_name);
|
|
} else {
|
|
furi_string_cat_printf(
|
|
output,
|
|
"%s %dbit\r\n"
|
|
"Key:%08lX%08lX\r\n"
|
|
"Fix:0x%08lX Cnt:%04lX\r\n"
|
|
"Hop:0x%08lX Btn:%01X\r\n"
|
|
"MF:%s",
|
|
instance->generic.protocol_name,
|
|
instance->generic.data_count_bit,
|
|
code_found_hi,
|
|
code_found_lo,
|
|
code_found_reverse_hi,
|
|
instance->generic.cnt,
|
|
code_found_reverse_lo,
|
|
instance->generic.btn,
|
|
instance->manufacture_name);
|
|
}
|
|
}
|