int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t * ntptr, uint32_t *timing);
int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);\r
int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid); \r
+int mifare_classic_halt_ex(struct Crypto1State *pcs);\r
int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData);\r
\r
// Ultralight/NTAG...\r