737 lines
29 KiB
C
737 lines
29 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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#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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};
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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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};
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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_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 = 10;
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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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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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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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*/
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static bool subghz_protocol_keeloq_gen_data(SubGhzProtocolEncoderKeeloq* instance, uint8_t btn) {
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instance->generic.cnt++;
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uint32_t fix = (uint32_t)btn << 28 | instance->generic.serial;
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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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uint32_t hop = 0;
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uint64_t man = 0;
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int res = 0;
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for
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M_EACH(manufacture_code, *subghz_keystore_get_data(instance->keystore), SubGhzKeyArray_t) {
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res = strcmp(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(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 =
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subghz_protocol_keeloq_common_normal_learning(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_MAGIC_XOR_TYPE_1:
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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_UNKNOWN:
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hop = 0; //todo
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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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if(hop) {
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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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return true;
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} else {
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instance->manufacture_name = "Unknown";
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return false;
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}
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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);
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if(res) {
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res = 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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* 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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//gen new key
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if(subghz_protocol_keeloq_gen_data(instance, btn)) {
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//ToDo if you need to add a callback to automatically update the data on the display
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} else {
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return false;
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}
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size_t index = 0;
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size_t size_upload = 11 * 2 + 2 + (instance->generic.data_count_bit * 2) + 4;
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if(size_upload > instance->encoder.size_upload) {
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FURI_LOG_E(TAG, "Size upload exceeds allocated encoder buffer.");
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return false;
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} else {
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instance->encoder.size_upload = size_upload;
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}
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//Send header
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for(uint8_t i = 11; i > 0; i--) {
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short);
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}
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short * 10);
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//Send key data
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for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
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if(bit_read(instance->generic.data, i - 1)) {
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//send bit 1
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_long);
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} else {
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//send bit 0
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_long);
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short);
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}
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}
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// +send 2 status bit
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_long);
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// send end
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_keeloq_const.te_short);
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_keeloq_const.te_short * 40);
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return true;
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}
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bool subghz_protocol_encoder_keeloq_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderKeeloq* instance = context;
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bool res = false;
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do {
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if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
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FURI_LOG_E(TAG, "Deserialize error");
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break;
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}
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if(instance->generic.data_count_bit !=
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subghz_protocol_keeloq_const.min_count_bit_for_found) {
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FURI_LOG_E(TAG, "Wrong number of bits in key");
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break;
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}
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subghz_protocol_keeloq_check_remote_controller(
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&instance->generic, instance->keystore, &instance->manufacture_name);
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if(strcmp(instance->manufacture_name, "DoorHan") != 0) {
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FURI_LOG_E(TAG, "Wrong manufacturer name");
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break;
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}
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//optional parameter parameter
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flipper_format_read_uint32(
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flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
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if(!subghz_protocol_encoder_keeloq_get_upload(instance, instance->generic.btn)) break;
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if(!flipper_format_rewind(flipper_format)) {
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FURI_LOG_E(TAG, "Rewind error");
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break;
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}
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uint8_t key_data[sizeof(uint64_t)] = {0};
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for(size_t i = 0; i < sizeof(uint64_t); i++) {
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key_data[sizeof(uint64_t) - i - 1] = (instance->generic.data >> (i * 8)) & 0xFF;
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}
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if(!flipper_format_update_hex(flipper_format, "Key", key_data, sizeof(uint64_t))) {
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FURI_LOG_E(TAG, "Unable to add Key");
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break;
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}
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instance->encoder.is_running = true;
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res = true;
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} while(false);
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return res;
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}
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void subghz_protocol_encoder_keeloq_stop(void* context) {
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SubGhzProtocolEncoderKeeloq* instance = context;
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instance->encoder.is_running = false;
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}
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LevelDuration subghz_protocol_encoder_keeloq_yield(void* context) {
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SubGhzProtocolEncoderKeeloq* instance = context;
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if(instance->encoder.repeat == 0 || !instance->encoder.is_running) {
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instance->encoder.is_running = false;
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return level_duration_reset();
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}
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LevelDuration ret = instance->encoder.upload[instance->encoder.front];
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if(++instance->encoder.front == instance->encoder.size_upload) {
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instance->encoder.repeat--;
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instance->encoder.front = 0;
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}
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return ret;
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}
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void* subghz_protocol_decoder_keeloq_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolDecoderKeeloq* instance = malloc(sizeof(SubGhzProtocolDecoderKeeloq));
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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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return instance;
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}
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void subghz_protocol_decoder_keeloq_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderKeeloq* instance = context;
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free(instance);
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}
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void subghz_protocol_decoder_keeloq_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderKeeloq* instance = context;
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instance->decoder.parser_step = KeeloqDecoderStepReset;
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}
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void subghz_protocol_decoder_keeloq_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderKeeloq* instance = context;
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switch(instance->decoder.parser_step) {
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case KeeloqDecoderStepReset:
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if((level) && DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short) <
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subghz_protocol_keeloq_const.te_delta) {
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instance->decoder.parser_step = KeeloqDecoderStepCheckPreambula;
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instance->header_count++;
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}
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break;
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case KeeloqDecoderStepCheckPreambula:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short) <
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subghz_protocol_keeloq_const.te_delta)) {
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instance->decoder.parser_step = KeeloqDecoderStepReset;
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break;
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}
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if((instance->header_count > 2) &&
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(DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short * 10) <
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subghz_protocol_keeloq_const.te_delta * 10)) {
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// Found header
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instance->decoder.parser_step = KeeloqDecoderStepSaveDuration;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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} else {
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instance->decoder.parser_step = KeeloqDecoderStepReset;
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instance->header_count = 0;
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}
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break;
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case KeeloqDecoderStepSaveDuration:
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if(level) {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = KeeloqDecoderStepCheckDuration;
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}
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break;
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case KeeloqDecoderStepCheckDuration:
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if(!level) {
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if(duration >= ((uint32_t)subghz_protocol_keeloq_const.te_short * 2 +
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subghz_protocol_keeloq_const.te_delta)) {
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// Found end TX
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instance->decoder.parser_step = KeeloqDecoderStepReset;
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if(instance->decoder.decode_count_bit >=
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subghz_protocol_keeloq_const.min_count_bit_for_found) {
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if(instance->generic.data != instance->decoder.decode_data) {
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instance->generic.data = instance->decoder.decode_data;
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instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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if(instance->base.callback)
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instance->base.callback(&instance->base, instance->base.context);
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}
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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instance->header_count = 0;
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}
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break;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_keeloq_const.te_short) <
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subghz_protocol_keeloq_const.te_delta) &&
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(DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_long) <
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subghz_protocol_keeloq_const.te_delta * 2)) {
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if(instance->decoder.decode_count_bit <
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subghz_protocol_keeloq_const.min_count_bit_for_found) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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}
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instance->decoder.parser_step = KeeloqDecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_keeloq_const.te_long) <
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subghz_protocol_keeloq_const.te_delta * 2) &&
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(DURATION_DIFF(duration, subghz_protocol_keeloq_const.te_short) <
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subghz_protocol_keeloq_const.te_delta)) {
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if(instance->decoder.decode_count_bit <
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subghz_protocol_keeloq_const.min_count_bit_for_found) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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}
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instance->decoder.parser_step = KeeloqDecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = KeeloqDecoderStepReset;
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instance->header_count = 0;
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}
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} else {
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instance->decoder.parser_step = KeeloqDecoderStepReset;
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instance->header_count = 0;
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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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* Validation of decrypt data.
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* @param instance Pointer to a SubGhzBlockGeneric instance
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* @param decrypt Decrypd data
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* @param btn Button number, 4 bit
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* @param end_serial decrement the last 10 bits of the serial number
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* @return true On success
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*/
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static inline bool subghz_protocol_keeloq_check_decrypt(
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SubGhzBlockGeneric* instance,
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uint32_t decrypt,
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uint8_t btn,
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uint32_t end_serial) {
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furi_assert(instance);
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if((decrypt >> 28 == btn) && (((((uint16_t)(decrypt >> 16)) & 0xFF) == end_serial) ||
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((((uint16_t)(decrypt >> 16)) & 0xFF) == 0))) {
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instance->cnt = decrypt & 0x0000FFFF;
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return true;
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}
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return false;
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}
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/**
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* Checking the accepted code against the database manafacture key
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* @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
|
|
*/
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|
static uint8_t subghz_protocol_keeloq_check_remote_controller_selector(
|
|
SubGhzBlockGeneric* instance,
|
|
uint32_t fix,
|
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uint32_t hop,
|
|
SubGhzKeystore* keystore,
|
|
const char** manufacture_name) {
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|
// protocol HCS300 uses 10 bits in discriminator, HCS200 uses 8 bits, for backward compatibility, we are looking for the 8-bit pattern
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// HCS300 -> uint16_t end_serial = (uint16_t)(fix & 0x3FF);
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// HCS200 -> uint16_t end_serial = (uint16_t)(fix & 0xFF);
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|
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uint16_t end_serial = (uint16_t)(fix & 0xFF);
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uint8_t btn = (uint8_t)(fix >> 28);
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uint32_t decrypt = 0;
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uint64_t man;
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|
uint32_t seed = 0;
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|
|
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for
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M_EACH(manufacture_code, *subghz_keystore_get_data(keystore), SubGhzKeyArray_t) {
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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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decrypt = subghz_protocol_keeloq_common_decrypt(hop, manufacture_code->key);
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if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
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*manufacture_name = furi_string_get_cstr(manufacture_code->name);
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return 1;
|
|
}
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|
break;
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|
case KEELOQ_LEARNING_NORMAL:
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|
// Normal Learning
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|
// https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
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|
man = subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
|
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decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
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if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
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|
return 1;
|
|
}
|
|
break;
|
|
case KEELOQ_LEARNING_SECURE:
|
|
man = subghz_protocol_keeloq_common_secure_learning(
|
|
fix, seed, manufacture_code->key);
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decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
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if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
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*manufacture_name = furi_string_get_cstr(manufacture_code->name);
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|
return 1;
|
|
}
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|
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);
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if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
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|
*manufacture_name = furi_string_get_cstr(manufacture_code->name);
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|
return 1;
|
|
}
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|
break;
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case KEELOQ_LEARNING_MAGIC_SERIAL_TYPE_1:
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|
man = subghz_protocol_keeloq_common_magic_serial_type1_learning(
|
|
fix, manufacture_code->key);
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|
decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
|
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if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
|
|
*manufacture_name = furi_string_get_cstr(manufacture_code->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);
|
|
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);
|
|
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);
|
|
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);
|
|
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);
|
|
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);
|
|
return 1;
|
|
}
|
|
|
|
// Secure Learning
|
|
man = subghz_protocol_keeloq_common_secure_learning(
|
|
fix, 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);
|
|
return 1;
|
|
}
|
|
|
|
// Check for mirrored man
|
|
man = subghz_protocol_keeloq_common_secure_learning(fix, 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);
|
|
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);
|
|
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);
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
*manufacture_name = "Unknown";
|
|
instance->cnt = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void subghz_protocol_keeloq_check_remote_controller(
|
|
SubGhzBlockGeneric* instance,
|
|
SubGhzKeystore* keystore,
|
|
const char** manufacture_name) {
|
|
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;
|
|
// 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";
|
|
instance->cnt = key_hop >> 16;
|
|
} else if((key_hop & 0xFFF) == (0x000) && (key_fix >> 28) == ((key_hop >> 12) & 0x0f)) {
|
|
*manufacture_name = "HCS101";
|
|
instance->cnt = key_hop >> 16;
|
|
} else {
|
|
subghz_protocol_keeloq_check_remote_controller_selector(
|
|
instance, key_fix, key_hop, keystore, manufacture_name);
|
|
}
|
|
|
|
instance->serial = key_fix & 0x0FFFFFFF;
|
|
instance->btn = key_fix >> 28;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_keeloq_serialize(
|
|
void* context,
|
|
FlipperFormat* flipper_format,
|
|
SubGhzRadioPreset* preset) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
subghz_protocol_keeloq_check_remote_controller(
|
|
&instance->generic, instance->keystore, &instance->manufacture_name);
|
|
|
|
bool res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
|
|
|
if(res && !flipper_format_write_string_cstr(
|
|
flipper_format, "Manufacture", instance->manufacture_name)) {
|
|
FURI_LOG_E(TAG, "Unable to add manufacture name");
|
|
res = false;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
bool subghz_protocol_decoder_keeloq_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderKeeloq* instance = context;
|
|
bool res = false;
|
|
do {
|
|
if(!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;
|
|
}
|
|
res = true;
|
|
} while(false);
|
|
|
|
return res;
|
|
}
|
|
|
|
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;
|
|
|
|
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\r\n"
|
|
"Sn:0x%07lX \r\n",
|
|
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.serial);
|
|
}
|