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fix hf mf sim (issue #412) (#419)

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* move to separate files mifaresim.[ch]
* check CRC of commands
* don't execute commands without successfull authentication
* ensure correct timing of REQA, WUPA, ANTICOL and SELECT responses
* trace reader commands immediately, only fix start time after tag response. Decreases time to be ready for next reader command.
* remove iso14443-4 remnants
* trace raw reader commands instead of decrypted ones
* some refactoring

* fix hf mf sim
* timing: decrease time to get ready for new reader commands
This commit is contained in:
pwpiwi 2017-10-20 17:55:13 +02:00 • committed by GitHub
commit 6e49717b5e
11 changed files with 777 additions and 864 deletions
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23
armsrc/iso14443a.h
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@ -15,15 +15,38 @@
#include <stdint.h>
#include <stdbool.h>
#include "usb_cmd.h"
#include "mifare.h"
typedef struct {
uint8_t* response;
uint8_t* modulation;
uint16_t response_n;
uint16_t modulation_n;
uint32_t ProxToAirDuration;
uint8_t par; // enough for precalculated parity of 8 Byte responses
} tag_response_info_t;
extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
extern void AppendCrc14443a(uint8_t *data, int len);
extern void RAMFUNC SnoopIso14443a(uint8_t param);
extern void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t *data);
extern void ReaderIso14443a(UsbCommand *c);
extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
extern void ReaderMifare(bool first_try);
extern int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity);
extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
extern int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
extern int EmSend4bit(uint8_t resp);
extern int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
extern int EmSendPrecompiledCmd(tag_response_info_t *response_info, bool correctionNeeded);
extern bool prepare_allocated_tag_modulation(tag_response_info_t *response_info, uint8_t **buffer, size_t *buffer_size);
extern void iso14443a_setup(uint8_t fpga_minor_mode);
extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);