[FL-2245] Introduce Mifare Classic Emulation (#1242)

* digital signal: introduce digital signal
* nfca: add nfca signal encoder
* nfc: add mifare classic emulation scene
* nfca: add classic emulation support to lib and hal
* mifare classic: support basic read commands
* nfc: add mifare classic menu scene
* mifare classic: start parsing commands in emulation
* mifare classic: add nested auth
* nfc: fix errors
* mifare classic: add encrypt function
* nfc: fix mifare classic save
* lib hex: add hex uint64_t ASCII parser
* flipper format: add uint64 hex format support
* nfc: add mifare classic key map
* nfc: hide mifare classic keys on emulation
* mifare classic: add NACK responce
* nfc: add partial bytes support in transparent mode
* nfc: mifare classic add shadow file support
* digital signal: move arr buffer from BSS to heap
* mifare classic: process access bits more careful
* nfca: fix memory leack
* nfc: format sources
* mifare classic: cleun up

Co-authored-by: あく <alleteam@gmail.com>

lib/nfc_protocols/mifare_classic.h

@@ -13,6 +13,7 @@
 #define MF_CLASSIC_BLOCKS_IN_SECTOR_MAX (16)
 
 #define MF_CLASSIC_NO_KEY (0xFFFFFFFFFFFFFFFF)
+#define MF_CLASSIC_MAX_DATA_SIZE (16)
 
 typedef enum {
     MfClassicType1k,
@@ -41,6 +42,8 @@ typedef struct {
 
 typedef struct {
     MfClassicType type;
+    uint64_t key_a_mask;
+    uint64_t key_b_mask;
     MfClassicBlock block[MF_CLASSIC_TOTAL_BLOCKS_MAX];
 } MfClassicData;
 
@@ -65,6 +68,13 @@ typedef struct {
     MfClassicSectorReader sector_reader[MF_CLASSIC_SECTORS_MAX];
 } MfClassicReader;
 
+typedef struct {
+    uint32_t cuid;
+    Crypto1 crypto;
+    MfClassicData data;
+    bool data_changed;
+} MfClassicEmulator;
+
 bool mf_classic_check_card_type(uint8_t ATQA0, uint8_t ATQA1, uint8_t SAK);
 
 bool mf_classic_get_type(
@@ -100,3 +110,5 @@ uint8_t mf_classic_read_card(
     FuriHalNfcTxRxContext* tx_rx,
     MfClassicReader* reader,
     MfClassicData* data);
+
+bool mf_classic_emulator(MfClassicEmulator* emulator, FuriHalNfcTxRxContext* tx_rx);