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1 //-----------------------------------------------------------------------------
2 // Merlok - June 2011
3 // Gerhard de Koning Gans - May 2008
4 // Hagen Fritsch - June 2010
5 //
6 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
7 // at your option, any later version. See the LICENSE.txt file for the text of
8 // the license.
9 //-----------------------------------------------------------------------------
10 // Routines to support ISO 14443 type A.
11 //-----------------------------------------------------------------------------
12
13 #ifndef __ISO14443A_H
14 #define __ISO14443A_H
15 #include "common.h"
16 #include "proxmark3.h"
17 #include "apps.h"
18 #include "util.h"
19 #include "string.h"
20 #include "cmd.h"
21 #include "iso14443crc.h"
22 #include "mifaresniff.h"
23 #include "iso14443b.h"
24 #include "crapto1.h"
25 #include "mifareutil.h"
26 #include "BigBuf.h"
27 #include "parity.h"
28
29 typedef struct {
30 enum {
31 DEMOD_UNSYNCD,
32 // DEMOD_HALF_SYNCD,
33 // DEMOD_MOD_FIRST_HALF,
34 // DEMOD_NOMOD_FIRST_HALF,
35 DEMOD_MANCHESTER_DATA
36 } state;
37 uint16_t twoBits;
38 uint16_t highCnt;
39 uint16_t bitCount;
40 uint16_t collisionPos;
41 uint16_t syncBit;
42 uint8_t parityBits;
43 uint8_t parityLen;
44 uint16_t shiftReg;
45 uint16_t samples;
46 uint16_t len;
47 uint32_t startTime, endTime;
48 uint8_t *output;
49 uint8_t *parity;
50 } tDemod;
51
52 typedef enum {
53 MOD_NOMOD = 0,
54 MOD_SECOND_HALF,
55 MOD_FIRST_HALF,
56 MOD_BOTH_HALVES
57 } Modulation_t;
58
59 typedef struct {
60 enum {
61 STATE_UNSYNCD,
62 STATE_START_OF_COMMUNICATION,
63 STATE_MILLER_X,
64 STATE_MILLER_Y,
65 STATE_MILLER_Z,
66 // DROP_NONE,
67 // DROP_FIRST_HALF,
68 } state;
69 uint16_t shiftReg;
70 int16_t bitCount;
71 uint16_t len;
72 uint16_t byteCntMax;
73 uint16_t posCnt;
74 uint16_t syncBit;
75 uint8_t parityBits;
76 uint8_t parityLen;
77 uint32_t fourBits;
78 uint32_t startTime, endTime;
79 uint8_t *output;
80 uint8_t *parity;
81 } tUart;
82
83 typedef struct {
84 uint8_t* response;
85 size_t response_n;
86 uint8_t* modulation;
87 size_t modulation_n;
88 uint32_t ProxToAirDuration;
89 } tag_response_info_t;
90
91 extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
92 extern void AppendCrc14443a(uint8_t *data, int len);
93
94 extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
95 extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
96 extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
97 extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
98
99 extern void iso14443a_setup(uint8_t fpga_minor_mode);
100 extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
101 extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades);
102 extern void iso14a_set_trigger(bool enable);
103
104 int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
105 int EmSend4bitEx(uint8_t resp, bool correctionNeeded);
106 int EmSend4bit(uint8_t resp);
107 int EmSendCmdExPar(uint8_t *resp, uint16_t respLen, bool correctionNeeded, uint8_t *par);
108 int EmSendCmdEx(uint8_t *resp, uint16_t respLen, bool correctionNeeded);
109 extern int EmSendCmd(uint8_t *resp, uint16_t respLen);
110 int EmSendCmdPar(uint8_t *resp, uint16_t respLen, uint8_t *par);
111 bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_StartTime, uint32_t reader_EndTime, uint8_t *reader_Parity,
112 uint8_t *tag_data, uint16_t tag_len, uint32_t tag_StartTime, uint32_t tag_EndTime, uint8_t *tag_Parity);
113 #endif /* __ISO14443A_H */
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