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Code Issues Activity

[FL-1396] Mifare Classic read (#1034)

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* rfal: add new data exchange function
* core: add FURI_BIT to common defines
* furi_hal_nfc: add data exchange with custom patiry bits
* lib: extend nfc common API
* assets: add mf classic dictionary
* lib: introduce mifare classic library
* nfc: add dictionary reader helper
* nfc worker: add worker events, add mifare classic read
* nfc: rework scenes with worker events
* nfc: add read mifare classic GUI
* nfc device: add mifare classic save
* nfc: add dictionary open fail scene
* nfc: mention resources
* stream: fix stream read line
* subghz: rework file read with fixed stream_read_line
* furi_hal_nfc: decrease communication timeout
* nfc: rework keys load from dictionary with file_stream
* nfc: add read mifare classic suggestion
* nfc: fix mifare classic read view
* nfc: fix index size
* nfc: add switch to no dictionary found scene
* nfc: add mifare classic load
* nfc: improve read mifare classic design
* mifare_classic: add proxmark3 mention
* nfc: format sources
* nfc: fix typos, add documentation
This commit is contained in:
gornekich
2022-03-24 01:14:34 +03:00
committed by GitHub
parent 46a894bc5c
commit eafeefb843
46 changed files with 3113 additions and 111 deletions
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63
lib/nfc_protocols/nfc_util.c Normal file
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#include "nfc_util.h"
#include <furi.h>
static const uint8_t nfc_util_odd_byte_parity[256] = {
1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0,
1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1,
1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1,
0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0,
1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1,
0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0,
0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1,
0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1};
void nfc_util_num2bytes(uint64_t src, uint8_t len, uint8_t* dest) {
furi_assert(dest);
furi_assert(len <= 8);
while(len--) {
dest[len] = (uint8_t)src;
src >>= 8;
}
}
uint64_t nfc_util_bytes2num(uint8_t* src, uint8_t len) {
furi_assert(src);
furi_assert(len <= 8);
uint64_t res = 0;
while(len--) {
res = (res << 8) | (*src);
src++;
}
return res;
}
uint8_t nfc_util_even_parity32(uint32_t data) {
// data ^= data >> 16;
// data ^= data >> 8;
// return !nfc_util_odd_byte_parity[data];
return (__builtin_parity(data) & 0xFF);
}
uint8_t nfc_util_odd_parity8(uint8_t data) {
return nfc_util_odd_byte_parity[data];
}
void nfc_util_merge_data_and_parity(
uint8_t* data,
uint16_t data_len,
uint8_t* parity,
uint16_t parity_len,
uint8_t* res,
uint16_t* res_len);
void nfc_util_split_data_and_parity(
uint8_t* data,
uint16_t data_len,
uint8_t* parity,
uint16_t parity_len,
uint8_t* res,
uint16_t* res_len);