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