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https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 21:13:16 +00:00
Encoder completed with bad crc
This commit is contained in:
assasinfil
parent
affef106ea
commit
b79cac4473
1 changed files with 160 additions and 146 deletions
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@ -35,6 +35,7 @@ struct SubGhzProtocolEncoderAlutech_at_4n {
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SubGhzProtocolBlockEncoder encoder;
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SubGhzBlockGeneric generic;
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const char* alutech_at_4n_rainbow_table_file_name;
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uint32_t crc;
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};
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typedef enum {
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@ -106,123 +107,6 @@ void subghz_protocol_encoder_alutech_at_4n_free(void* context) {
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free(instance);
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}
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static bool subghz_protocol_alutech_at_4n_gen_data(
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SubGhzProtocolEncoderAlutech_at_4n* instance,
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uint8_t btn) {
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UNUSED(btn);
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uint64_t data = subghz_protocol_blocks_reverse_key(instance->generic.data, 64);
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uint8_t crc = subghz_protocol_blocks_reverse_key(crc, 8);
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if(crc == subghz_protocol_alutech_at_4n_crc(data)) {
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data = subghz_protocol_alutech_at_4n_decrypt(
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data, instance->alutech_at_4n_rainbow_table_file_name);
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}
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if(((uint8_t)(data >> 56) ==
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subghz_protocol_alutech_at_4n_decrypt_data_crc((uint8_t)((data >> 8) & 0xFF)))) {
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instance->generic.btn = (uint8_t)data & 0xFF;
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instance->generic.cnt = (uint16_t)(data >> 8) & 0xFFFF;
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instance->generic.serial = (uint32_t)(data >> 24) & 0xFFFFFFFF;
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}
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if(instance->generic.cnt < 0xFFFF) {
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instance->generic.cnt++;
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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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return true;
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}
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bool subghz_protocol_alutech_at_4n_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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SubGhzRadioPreset* preset) {
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furi_assert(context);
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SubGhzProtocolEncoderAlutech_at_4n* instance = context;
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instance->generic.serial = serial;
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instance->generic.cnt = cnt;
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instance->generic.data_count_bit = 72;
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bool res = subghz_protocol_alutech_at_4n_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 subghz_protocol_encoder_alutech_at_4n_get_upload(
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SubGhzProtocolEncoderAlutech_at_4n* instance,
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uint8_t btn) {
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furi_assert(instance);
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//gen new key
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if(subghz_protocol_alutech_at_4n_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 = index;
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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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return true;
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}
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bool subghz_protocol_encoder_alutech_at_4n_deserialize(
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void* context,
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FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderAlutech_at_4n* 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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//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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subghz_protocol_encoder_alutech_at_4n_get_upload(instance, instance->generic.btn);
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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_alutech_at_4n_stop(void* context) {
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SubGhzProtocolEncoderAlutech_at_4n* instance = context;
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instance->encoder.is_running = false;
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@ -336,37 +220,167 @@ static uint64_t subghz_protocol_alutech_at_4n_decrypt(uint64_t data, const char*
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return data;
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}
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// static uint64_t subghz_protocol_alutech_at_4n_encrypt(uint64_t data, const char* file_name) {
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// uint8_t* p = (uint8_t*)&data;
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// uint32_t data1 = 0;
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// uint32_t data2 = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
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// uint32_t data3 = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
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// uint32_t magic_data[] = {
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// subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 6),
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// subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 4),
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// subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 5),
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// subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 1),
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// subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 2),
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// subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 0)};
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static uint64_t subghz_protocol_alutech_at_4n_encrypt(uint64_t data, const char* file_name) {
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uint8_t* p = (uint8_t*)&data;
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uint32_t data1 = 0;
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uint32_t data2 = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
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uint32_t data3 = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
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uint32_t magic_data[] = {
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subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 6),
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subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 4),
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subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 5),
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subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 1),
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subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 2),
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subghz_protocol_alutech_at_4n_get_magic_data_in_file(file_name, 0)};
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// do {
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// data1 = data1 + magic_data[0];
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// data2 = data2 + ((magic_data[1] + (data3 << 4)) ^
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// ((magic_data[2] + (data3 >> 5)) ^ (data1 + data3)));
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// data3 = data3 + ((magic_data[3] + (data2 << 4)) ^
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// ((magic_data[4] + (data2 >> 5)) ^ (data1 + data2)));
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// } while(data1 != magic_data[5]);
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// p[0] = (uint8_t)(data2 >> 24);
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// p[1] = (uint8_t)(data2 >> 16);
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// p[3] = (uint8_t)data2;
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// p[4] = (uint8_t)(data3 >> 24);
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// p[5] = (uint8_t)(data3 >> 16);
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// p[2] = (uint8_t)(data2 >> 8);
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// p[6] = (uint8_t)(data3 >> 8);
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// p[7] = (uint8_t)data3;
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do {
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data1 = data1 + magic_data[0];
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data2 = data2 + ((magic_data[1] + (data3 << 4)) ^
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((magic_data[2] + (data3 >> 5)) ^ (data1 + data3)));
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data3 = data3 + ((magic_data[3] + (data2 << 4)) ^
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((magic_data[4] + (data2 >> 5)) ^ (data1 + data2)));
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} while(data1 != magic_data[5]);
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p[0] = (uint8_t)(data2 >> 24);
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p[1] = (uint8_t)(data2 >> 16);
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p[3] = (uint8_t)data2;
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p[4] = (uint8_t)(data3 >> 24);
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p[5] = (uint8_t)(data3 >> 16);
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p[2] = (uint8_t)(data2 >> 8);
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p[6] = (uint8_t)(data3 >> 8);
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p[7] = (uint8_t)data3;
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// return data;
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// }
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return data;
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}
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static bool subghz_protocol_alutech_at_4n_gen_data(
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SubGhzProtocolEncoderAlutech_at_4n* instance,
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uint8_t btn) {
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UNUSED(btn);
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uint64_t data = subghz_protocol_blocks_reverse_key(instance->generic.data, 64);
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data = subghz_protocol_alutech_at_4n_decrypt(
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data, instance->alutech_at_4n_rainbow_table_file_name);
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uint8_t crc = data >> 56;
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if(crc == subghz_protocol_alutech_at_4n_decrypt_data_crc((uint8_t)((data >> 8) & 0xFF))) {
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instance->generic.btn = (uint8_t)data & 0xFF;
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instance->generic.cnt = (uint16_t)(data >> 8) & 0xFFFF;
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instance->generic.serial = (uint32_t)(data >> 24) & 0xFFFFFFFF;
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}
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if(instance->generic.cnt < 0xFFFF) {
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instance->generic.cnt++;
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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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crc = subghz_protocol_alutech_at_4n_decrypt_data_crc((uint8_t)(instance->generic.cnt & 0xFF));
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instance->crc = crc;
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data = (uint64_t)crc << 56 | (uint64_t)instance->generic.serial << 24 |
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(uint32_t)instance->generic.cnt << 8 | instance->generic.btn;
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data = subghz_protocol_alutech_at_4n_encrypt(
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data, instance->alutech_at_4n_rainbow_table_file_name);
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instance->generic.data = subghz_protocol_blocks_reverse_key(data, 64);
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return true;
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}
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bool subghz_protocol_alutech_at_4n_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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SubGhzRadioPreset* preset) {
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furi_assert(context);
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SubGhzProtocolEncoderAlutech_at_4n* instance = context;
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instance->generic.serial = serial;
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instance->generic.cnt = cnt;
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instance->generic.data_count_bit = 72;
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bool res = subghz_protocol_alutech_at_4n_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 subghz_protocol_encoder_alutech_at_4n_get_upload(
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SubGhzProtocolEncoderAlutech_at_4n* instance,
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uint8_t btn) {
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furi_assert(instance);
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//gen new key
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if(subghz_protocol_alutech_at_4n_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 = index;
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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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return true;
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}
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bool subghz_protocol_encoder_alutech_at_4n_deserialize(
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void* context,
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FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderAlutech_at_4n* 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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//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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subghz_protocol_encoder_alutech_at_4n_get_upload(instance, instance->generic.btn);
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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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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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if(!flipper_format_update_uint32(flipper_format, "CRC", &instance->crc, 1)) {
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FURI_LOG_E(TAG, "Unable to add CRC");
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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_decoder_alutech_at_4n_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolDecoderAlutech_at_4n* instance =
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