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f38a1528 1#include "mifaredesfire.h"
b6f41bfd 2#include "des.h"
0ec548dc 3#include "BigBuf.h"
f38a1528 4
5#define MAX_APPLICATION_COUNT 28
6#define MAX_FILE_COUNT 16
a501c82b 7#define MAX_DESFIRE_FRAME_SIZE 60
f38a1528 8#define NOT_YET_AUTHENTICATED 255
a501c82b 9#define FRAME_PAYLOAD_SIZE (MAX_DESFIRE_FRAME_SIZE - 5)
10#define RECEIVE_SIZE 64
f38a1528 11
313ee67e 12// the block number for the ISO14443-4 PCB
13uint8_t pcb_blocknum = 0;
14// Deselect card by sending a s-block. the crc is precalced for speed
15static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4};
16
f38a1528 17//static uint8_t __msg[MAX_FRAME_SIZE] = { 0x0A, 0x00, 0x00, /* ..., */ 0x00 };
18/* PCB CID CMD PAYLOAD */
19//static uint8_t __res[MAX_FRAME_SIZE];
20
313ee67e 21bool InitDesfireCard(){
e3ab50ca 22
313ee67e 23 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
99cf19d9 24 set_tracing(TRUE);
25
26 byte_t cardbuf[USB_CMD_DATA_SIZE] = {0x00};
27 iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
f38a1528 28
313ee67e 29 int len = iso14443a_select_card(NULL,card,NULL);
f38a1528 30
313ee67e 31 if (!len) {
225ccb91 32 if (MF_DBGLEVEL >= MF_DBG_ERROR)
33 Dbprintf("Can't select card");
34 OnError(1);
313ee67e 35 return false;
36 }
37 return true;
38}
39
75465377 40// ARG0 flag enums
41enum {
42 NONE = 0x00,
43 INIT = 0x01,
44 DISCONNECT = 0x02,
f6c18637 45 CLEARTRACE = 0x04,
75465377 46 BAR = 0x08,
47} CmdOptions ;
48
313ee67e 49void MifareSendCommand(uint8_t arg0, uint8_t arg1, uint8_t *datain){
50
51 /* ARG0 contains flags.
52 0x01 = init card.
f6c18637 53 0x02 = Disconnect
313ee67e 54 0x03
55 */
56 uint8_t flags = arg0;
57 size_t datalen = arg1;
a501c82b 58 uint8_t resp[RECEIVE_SIZE];
313ee67e 59 memset(resp,0,sizeof(resp));
60
61 if (MF_DBGLEVEL >= 4) {
75465377 62 Dbprintf(" flags : %02X", flags);
63 Dbprintf(" len : %02X", datalen);
64 print_result(" RX : ", datain, datalen);
313ee67e 65 }
66
f6c18637 67 if ( flags & CLEARTRACE ){
0ec548dc 68 clear_trace();
f6c18637 69 }
70
75465377 71 if ( flags & INIT ){
313ee67e 72 if ( !InitDesfireCard() )
73 return;
74 }
75
76 int len = DesfireAPDU(datain, datalen, resp);
f5ed4d12 77 if (MF_DBGLEVEL >= 4) {
78 print_result("ERR <--: ", resp, len);
79 }
f6c18637 80
81 if ( !len ) {
225ccb91 82 OnError(2);
313ee67e 83 return;
84 }
313ee67e 85
75465377 86 // reset the pcb_blocknum,
87 pcb_blocknum = 0;
88
f6c18637 89 if ( flags & DISCONNECT ){
75465377 90 OnSuccess();
f6c18637 91 }
75465377 92
93 cmd_send(CMD_ACK,1,len,0,resp,len);
313ee67e 94}
95
96void MifareDesfireGetInformation(){
97
98 int len = 0;
e3ab50ca 99 uint8_t resp[USB_CMD_DATA_SIZE] = {0x00};
100 uint8_t dataout[USB_CMD_DATA_SIZE] = {0x00};
101 byte_t cardbuf[USB_CMD_DATA_SIZE] = {0x00};
f38a1528 102
103 /*
104 1 = PCB 1
105 2 = cid 2
106 3 = desfire command 3
107 4-5 = crc 4 key
313ee67e 108 5-6 crc
f38a1528 109 PCB == 0x0A because sending CID byte.
313ee67e 110 CID == 0x00 first card?
f38a1528 111 */
0ec548dc 112 clear_trace();
113 set_tracing(TRUE);
f38a1528 114 iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
115
116 // card select - information
313ee67e 117 iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
f38a1528 118 byte_t isOK = iso14443a_select_card(NULL, card, NULL);
f5ed4d12 119 if ( isOK == 0) {
225ccb91 120 if (MF_DBGLEVEL >= MF_DBG_ERROR) {
f38a1528 121 Dbprintf("Can't select card");
122 }
225ccb91 123 OnError(1);
f38a1528 124 return;
125 }
126
f38a1528 127 memcpy(dataout,card->uid,7);
128
129 LED_A_ON();
130 LED_B_OFF();
131 LED_C_OFF();
132
313ee67e 133 uint8_t cmd[] = {GET_VERSION};
134 size_t cmd_len = sizeof(cmd);
135
136 len = DesfireAPDU(cmd, cmd_len, resp);
137 if ( !len ) {
f38a1528 138 print_result("ERROR <--: ", resp, len);
225ccb91 139 OnError(2);
f38a1528 140 return;
141 }
313ee67e 142
143 LED_A_OFF();
144 LED_B_ON();
f38a1528 145 memcpy(dataout+7,resp+3,7);
146
147 // ADDITION_FRAME 1
313ee67e 148 cmd[0] = ADDITIONAL_FRAME;
149 len = DesfireAPDU(cmd, cmd_len, resp);
150 if ( !len ) {
f38a1528 151 print_result("ERROR <--: ", resp, len);
225ccb91 152 OnError(2);
f38a1528 153 return;
154 }
313ee67e 155
156 LED_B_OFF();
157 LED_C_ON();
f38a1528 158 memcpy(dataout+7+7,resp+3,7);
159
160 // ADDITION_FRAME 2
313ee67e 161 len = DesfireAPDU(cmd, cmd_len, resp);
162 if ( !len ) {
f38a1528 163 print_result("ERROR <--: ", resp, len);
225ccb91 164 OnError(2);
f38a1528 165 return;
166 }
167
168 memcpy(dataout+7+7+7,resp+3,14);
169
f38a1528 170 cmd_send(CMD_ACK,1,0,0,dataout,sizeof(dataout));
313ee67e 171
172 // reset the pcb_blocknum,
173 pcb_blocknum = 0;
f38a1528 174 OnSuccess();
175}
176
177void MifareDES_Auth1(uint8_t mode, uint8_t algo, uint8_t keyno, uint8_t *datain){
178
f6c18637 179 int len = 0;
180 //uint8_t PICC_MASTER_KEY8[8] = { 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47};
181 uint8_t PICC_MASTER_KEY16[16] = { 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f };
b6f41bfd 182 uint8_t null_key_data8[8] = {0x00};
f6c18637 183 //uint8_t null_key_data16[16] = {0x00};
184 //uint8_t new_key_data8[8] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77};
185 //uint8_t new_key_data16[16] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF};
f38a1528 186
f6c18637 187 uint8_t resp[256] = {0x00};
188 uint8_t IV[16] = {0x00};
f38a1528 189
f6c18637 190 size_t datalen = datain[0];
191
192 uint8_t cmd[40] = {0x00};
193 uint8_t encRndB[16] = {0x00};
194 uint8_t decRndB[16] = {0x00};
195 uint8_t nonce[16] = {0x00};
196 uint8_t both[32] = {0x00};
197 uint8_t encBoth[32] = {0x00};
f38a1528 198
f6c18637 199 InitDesfireCard();
f38a1528 200
201