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https://github.com/Proxmark/proxmark3.git
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6a1f2d82bb
- buffers were too small to handle 256 byte frames - parity bits were only handled for up to 32 byte frames - trace format was inefficient - removed parity calculation from decoders in iclass.c (parity not used on air anyway)
94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
//-----------------------------------------------------------------------------
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// Merlok - June 2011
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// Gerhard de Koning Gans - May 2008
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// Hagen Fritsch - June 2010
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//
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// Routines to support ISO 14443 type A.
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//-----------------------------------------------------------------------------
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#ifndef __ISO14443A_H
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#define __ISO14443A_H
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#include "common.h"
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#include "mifaresniff.h"
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typedef struct {
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enum {
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DEMOD_UNSYNCD,
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// DEMOD_HALF_SYNCD,
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// DEMOD_MOD_FIRST_HALF,
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// DEMOD_NOMOD_FIRST_HALF,
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DEMOD_MANCHESTER_DATA
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} state;
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uint16_t twoBits;
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uint16_t highCnt;
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uint16_t bitCount;
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uint16_t collisionPos;
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uint16_t syncBit;
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uint8_t parityBits;
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uint8_t parityLen;
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uint16_t shiftReg;
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uint16_t samples;
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uint16_t len;
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uint32_t startTime, endTime;
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uint8_t *output;
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uint8_t *parity;
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} tDemod;
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typedef enum {
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MOD_NOMOD = 0,
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MOD_SECOND_HALF,
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MOD_FIRST_HALF,
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MOD_BOTH_HALVES
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} Modulation_t;
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typedef struct {
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enum {
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STATE_UNSYNCD,
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STATE_START_OF_COMMUNICATION,
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STATE_MILLER_X,
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STATE_MILLER_Y,
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STATE_MILLER_Z,
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// DROP_NONE,
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// DROP_FIRST_HALF,
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} state;
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uint16_t shiftReg;
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uint16_t bitCount;
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uint16_t len;
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uint16_t byteCntMax;
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uint16_t posCnt;
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uint16_t syncBit;
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uint8_t parityBits;
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uint8_t parityLen;
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uint16_t highCnt;
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uint16_t twoBits;
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uint32_t startTime, endTime;
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uint8_t *output;
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uint8_t *parity;
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} tUart;
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extern byte_t oddparity (const byte_t bt);
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extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
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extern void AppendCrc14443a(uint8_t *data, int len);
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extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
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extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
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extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
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extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
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extern void iso14443a_setup(uint8_t fpga_minor_mode);
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extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
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extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr);
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extern void iso14a_set_trigger(bool enable);
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extern void iso14a_set_timeout(uint32_t timeout);
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extern void iso14a_clear_trace();
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extern void iso14a_set_tracing(bool enable);
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#endif /* __ISO14443A_H */
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