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https://github.com/Next-Flip/Momentum-Firmware.git
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[FL-3772] Felica poller (#3570)
* New types for felica poller * New functions for felica data transmissions * Felica memory map extended with new fields * Init/deinit of mbedtls context added for felica encryption * Functions for session key and mac calculations added * Raw felica_poller implementation added * Removed MAC type parameter from check_mac function * Replaced all data fields needed for auth with context structure * Clean up felica_poller.c * Now RC block is filled with random numbers * New parameter for counting well-read blocks * Some cleanups * Felica file save and load logic added * Now we use card key from context for session key calculation * Copying card key to card block from auth context when both authentications succeeded, otherwise decrement blocks count by 1 * New felica poller event added * Moved some data structions to public namespace * FelicaAuthenticationContext struct moved to felica.h * Field type and name changed for better ones * Helper functions for felica_auth added to the app * New scene for felica card key input added * Logic for felica key input added * Auth context request processing added * Added block index definitions and replaced all index numbers with them * More macro defines * Replace nesting with do while block * New function for write operations mac calculation added * Replace nesting with do while block * Make functions static for now because they are used internally * Wrote some comments * Raw felica render implementation * New felica scenes * Adjusted felica dump rendering according design requirements * New felica scene added * Helper for switching scene during unlock added * Added warning scene and transfer to it * Moved unlock scene logic to separate files * Magic number changed * New felica render logic * Felica scenes adjusted according to design requirements * Felica poller cleanups * Some asserts added and some fixed * Replcaed asserts to checks in public api * Fixed pvs warnings in felica_poller * New event for felica_poller added for incomplete read actions * Handling of new poller event added * Update SConscript with felica files * Update api_symbols.csv with felica functions * Sync API versions Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
@@ -3,6 +3,11 @@
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#include <nfc/helpers/felica_crc.h>
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#define TAG "FelicaPoller"
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#define FELICA_CMD_READ_WITHOUT_ENCRYPTION (0x06U)
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#define FELICA_CMD_WRITE_WITHOUT_ENCRYPTION (0x08U)
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#define FELICA_SERVICE_RW_ACCESS (0x0009U)
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#define FELICA_SERVICE_RO_ACCESS (0x000BU)
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static FelicaError felica_poller_process_error(NfcError error) {
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switch(error) {
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@@ -15,8 +20,8 @@ static FelicaError felica_poller_process_error(NfcError error) {
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}
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}
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static FelicaError felica_poller_frame_exchange(
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FelicaPoller* instance,
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FelicaError felica_poller_frame_exchange(
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const FelicaPoller* instance,
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const BitBuffer* tx_buffer,
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BitBuffer* rx_buffer,
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uint32_t fwt) {
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@@ -93,11 +98,105 @@ FelicaError felica_poller_polling(
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return error;
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}
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static void felica_poller_prepare_tx_buffer(
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const FelicaPoller* instance,
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const uint8_t command,
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const uint16_t service_code,
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const uint8_t block_count,
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const uint8_t* const blocks,
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const uint8_t data_block_count,
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const uint8_t* data) {
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FelicaCommandHeader cmd = {
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.code = command,
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.idm = instance->data->idm,
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.service_num = 1,
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.service_code = service_code,
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.block_count = block_count,
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};
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FelicaBlockListElement block_list[4] = {{0}, {0}, {0}, {0}};
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for(uint8_t i = 0; i < block_count; i++) {
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block_list[i].length = 1;
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block_list[i].block_number = blocks[i];
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}
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uint8_t block_list_count = block_count;
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uint8_t block_list_size = block_list_count * sizeof(FelicaBlockListElement);
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uint8_t total_size = sizeof(FelicaCommandHeader) + 1 + block_list_size +
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data_block_count * FELICA_DATA_BLOCK_SIZE;
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bit_buffer_reset(instance->tx_buffer);
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bit_buffer_append_byte(instance->tx_buffer, total_size);
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bit_buffer_append_bytes(instance->tx_buffer, (uint8_t*)&cmd, sizeof(FelicaCommandHeader));
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bit_buffer_append_bytes(instance->tx_buffer, (uint8_t*)&block_list, block_list_size);
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if(data_block_count != 0) {
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bit_buffer_append_bytes(
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instance->tx_buffer, data, data_block_count * FELICA_DATA_BLOCK_SIZE);
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}
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}
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FelicaError felica_poller_read_blocks(
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FelicaPoller* instance,
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const uint8_t block_count,
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const uint8_t* const block_numbers,
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FelicaPollerReadCommandResponse** const response_ptr) {
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furi_assert(instance);
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furi_assert(block_count <= 4);
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furi_assert(block_numbers);
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furi_assert(response_ptr);
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felica_poller_prepare_tx_buffer(
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instance,
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FELICA_CMD_READ_WITHOUT_ENCRYPTION,
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FELICA_SERVICE_RO_ACCESS,
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block_count,
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block_numbers,
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0,
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NULL);
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bit_buffer_reset(instance->rx_buffer);
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FelicaError error = felica_poller_frame_exchange(
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instance, instance->tx_buffer, instance->rx_buffer, FELICA_POLLER_POLLING_FWT);
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if(error == FelicaErrorNone) {
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*response_ptr = (FelicaPollerReadCommandResponse*)bit_buffer_get_data(instance->rx_buffer);
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}
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return error;
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}
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FelicaError felica_poller_write_blocks(
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const FelicaPoller* instance,
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const uint8_t block_count,
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const uint8_t* const block_numbers,
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const uint8_t* data,
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FelicaPollerWriteCommandResponse** const response_ptr) {
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furi_assert(instance);
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furi_assert(block_count <= 2);
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furi_assert(block_numbers);
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furi_assert(data);
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furi_assert(response_ptr);
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felica_poller_prepare_tx_buffer(
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instance,
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FELICA_CMD_WRITE_WITHOUT_ENCRYPTION,
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FELICA_SERVICE_RW_ACCESS,
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block_count,
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block_numbers,
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block_count,
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data);
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bit_buffer_reset(instance->rx_buffer);
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FelicaError error = felica_poller_frame_exchange(
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instance, instance->tx_buffer, instance->rx_buffer, FELICA_POLLER_POLLING_FWT);
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if(error == FelicaErrorNone) {
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*response_ptr =
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(FelicaPollerWriteCommandResponse*)bit_buffer_get_data(instance->rx_buffer);
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}
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return error;
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}
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FelicaError felica_poller_activate(FelicaPoller* instance, FelicaData* data) {
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furi_assert(instance);
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felica_reset(data);
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FelicaError ret;
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do {
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