+
+ iso14b_card_select_t card;
+ memcpy(&card, (iso14b_card_select_t *)resp.d.asBytes, sizeof(iso14b_card_select_t));
+
+ uint64_t status = resp.arg[0];
+
+ switch( status ){
+ case 0:
+ print_st_general_info(card.uid, card.uidlen);
+ isSuccess = TRUE;
+ break;
+ case 1:
+ if (verbose) PrintAndLog("iso14443-3 random chip id fail");
+ break;
+ case 2:
+ if (verbose) PrintAndLog("iso14443-3 ATTRIB fail");
+ break;
+ case 3:
+ if (verbose) PrintAndLog("iso14443-3 CRC fail");
+ break;
+ default:
+ if (verbose) PrintAndLog("iso14443b card select SRx failed");
+ break;
+ }
+
+ switch_off_field_14b();
+ return isSuccess;
+}
+
+bool HF14B_Std_Reader(bool verbose){
+
+ bool isSuccess = FALSE;
+
+ // 14b get and print UID only (general info)
+ UsbCommand c = {CMD_ISO_14443B_COMMAND, {ISO14B_CONNECT | ISO14B_SELECT_STD | ISO14B_DISCONNECT, 0, 0}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ UsbCommand resp;
+
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, TIMEOUT)) {
+ if (verbose) PrintAndLog("timeout while waiting for reply.");
+ return FALSE;
+ }
+
+ iso14b_card_select_t card;
+ memcpy(&card, (iso14b_card_select_t *)resp.d.asBytes, sizeof(iso14b_card_select_t));
+
+ uint64_t status = resp.arg[0];
+
+ switch( status ){
+ case 0:
+ PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+ PrintAndLog(" ATQB : %s", sprint_hex(card.atqb, sizeof(card.atqb)));
+ PrintAndLog(" CHIPID : %02X", card.chipid);
+ print_atqb_resp(card.atqb, card.cid);
+ isSuccess = TRUE;
+ break;
+ case 2:
+ if (verbose) PrintAndLog("iso14443-3 ATTRIB fail");
+ break;
+ case 3:
+ if (verbose) PrintAndLog("iso14443-3 CRC fail");
+ break;
+ default:
+ if (verbose) PrintAndLog("iso14443b card select failed");
+ break;
+ }
+
+ switch_off_field_14b();
+ return isSuccess;
+}
+
+// test for other 14b type tags (mimic another reader - don't have tags to identify)
+bool HF14B_Other_Reader(){
+
+ // uint8_t data[] = {0x00, 0x0b, 0x3f, 0x80};
+ // uint8_t datalen = 4;
+
+ // // 14b get and print UID only (general info)
+ // uint32_t flags = ISO14B_CONNECT | ISO14B_SELECT_STD | ISO14B_RAW | ISO14B_APPEND_CRC;
+
+ // UsbCommand c = {CMD_ISO_14443B_COMMAND, {flags, datalen, 0}};
+ // memcpy(c.d.asBytes, data, datalen);
+
+ // clearCommandBuffer();
+ // SendCommand(&c);
+ // UsbCommand resp;
+ // WaitForResponse(CMD_ACK,&resp);
+
+ // if (datalen > 2 ) {
+ // printandlog ("\n14443-3b tag found:");
+ // printandlog ("unknown tag type answered to a 0x000b3f80 command ans:");
+ // //printandlog ("%s", sprint_hex(data, datalen));
+ // rawclose();
+ // return true;
+ // }
+
+ // c.arg1 = 1;
+ // c.d.asBytes[0] = ISO14443B_AUTHENTICATE;
+ // clearCommandBuffer();
+ // SendCommand(&c);
+ // UsbCommand resp;
+ // WaitForResponse(CMD_ACK, &resp);
+
+ // if (datalen > 0) {
+ // PrintAndLog ("\n14443-3b tag found:");
+ // PrintAndLog ("Unknown tag type answered to a 0x0A command ans:");
+ // // PrintAndLog ("%s", sprint_hex(data, datalen));
+ // rawClose();
+ // return TRUE;
+ // }
+
+ // c.arg1 = 1;
+ // c.d.asBytes[0] = ISO14443B_RESET;
+ // clearCommandBuffer();
+ // SendCommand(&c);
+ // UsbCommand resp;
+ // WaitForResponse(CMD_ACK, &resp);
+
+ // if (datalen > 0) {
+ // PrintAndLog ("\n14443-3b tag found:");
+ // PrintAndLog ("Unknown tag type answered to a 0x0C command ans:");
+ // PrintAndLog ("%s", sprint_hex(data, datalen));
+ // rawClose();
+ // return TRUE;
+ // }
+
+ // rawClose();
+ return FALSE;
+}
+
+// get and print general info about all known 14b chips
+bool HF14BReader(bool verbose){
+
+ // try std 14b (atqb)
+ if (HF14B_Std_Reader(verbose)) return TRUE;
+
+ // try ST Microelectronics 14b
+ if (HF14B_ST_Reader(verbose)) return TRUE;
+
+ // try unknown 14b read commands (to be identified later)
+ // could be read of calypso, CEPAS, moneo, or pico pass.
+ if (HF14B_Other_Reader()) return TRUE;
+
+ if (verbose) PrintAndLog("no 14443B tag found");
+ return FALSE;
+}
+
+// menu command to get and print general info about all known 14b chips
+int CmdHF14BReader(const char *Cmd){
+ char cmdp = param_getchar(Cmd, 0);
+ if (cmdp == 'h' || cmdp == 'H') return usage_hf_14b_reader();
+
+ bool verbose = !((cmdp == 's') || (cmdp == 'S'));
+ return HF14BReader(verbose);
+}
+
+/* New command to read the contents of a SRI512|SRIX4K tag
+ * SRI* tags are ISO14443-B modulated memory tags,
+ * this command just dumps the contents of the memory/
+ */
+int CmdHF14BReadSri(const char *Cmd){
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') return usage_hf_14b_read_srx();
+
+ uint8_t tagtype = param_get8(Cmd, 0);
+ uint8_t blocks = (tagtype == 1) ? 0x7F : 0x0F;
+
+ UsbCommand c = {CMD_READ_SRI_TAG, {blocks, 0, 0}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+// New command to write a SRI512/SRIX4K tag.
+int CmdHF14BWriteSri(const char *Cmd){
+/*
+ * For SRIX4K blocks 00 - 7F
+ * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
+ *
+ * For SR512 blocks 00 - 0F
+ * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
+ *
+ * Special block FF = otp_lock_reg block.
+ * Data len 4 bytes-
+ */
+ char cmdp = param_getchar(Cmd, 0);
+ uint8_t blockno = -1;
+ uint8_t data[4] = {0x00};
+ bool isSrix4k = true;
+ char str[30];
+ memset(str, 0x00, sizeof(str));
+
+ if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') return usage_hf_14b_write_srx();
+
+ if ( cmdp == '2' )
+ isSrix4k = false;
+
+ //blockno = param_get8(Cmd, 1);
+
+ if ( param_gethex(Cmd, 1, &blockno, 2) ) {
+ PrintAndLog("Block number must include 2 HEX symbols");
+ return 0;
+ }
+
+ if ( isSrix4k ){
+ if ( blockno > 0x7f && blockno != 0xff ){
+ PrintAndLog("Block number out of range");
+ return 0;
+ }
+ } else {
+ if ( blockno > 0x0f && blockno != 0xff ){
+ PrintAndLog("Block number out of range");
+ return 0;
+ }
+ }
+
+ if (param_gethex(Cmd, 2, data, 8)) {
+ PrintAndLog("Data must include 8 HEX symbols");
+ return 0;
+ }
+
+ if ( blockno == 0xff) {
+ PrintAndLog("[%s] Write special block %02X [ %s ]",
+ (isSrix4k) ? "SRIX4K":"SRI512",
+ blockno,
+ sprint_hex(data,4)
+ );
+ } else {
+ PrintAndLog("[%s] Write block %02X [ %s ]",
+ (isSrix4k) ? "SRIX4K":"SRI512",
+ blockno,
+ sprint_hex(data,4)
+ );
+ }
+
+ sprintf(str, "-ss -c %02x %02x %02x%02x%02x%02x", ISO14443B_WRITE_BLK, blockno, data[0], data[1], data[2], data[3]);
+ CmdHF14BCmdRaw(str);
+ return 0;
+}
+
+uint32_t srix4kEncode(uint32_t value) {
+/*
+// vv = value
+// pp = position
+// vv vv vv pp
+4 bytes : 00 1A 20 01
+*/
+ // only the lower crumbs.
+ uint8_t block = (value & 0xFF);
+ uint8_t i = 0;
+ uint8_t valuebytes[] = {0,0,0};
+
+ num_to_bytes(value, 3, valuebytes);
+
+ // Scrambled part
+ // Crumb swapping of value.
+ uint8_t temp[] = {0,0};
+ temp[0] = (CRUMB(value, 22) << 4 | CRUMB(value, 14 ) << 2 | CRUMB(value, 6)) << 4;
+ temp[0] |= CRUMB(value, 20) << 4 | CRUMB(value, 12 ) << 2 | CRUMB(value, 4);
+ temp[1] = (CRUMB(value, 18) << 4 | CRUMB(value, 10 ) << 2 | CRUMB(value, 2)) << 4;
+ temp[1] |= CRUMB(value, 16) << 4 | CRUMB(value, 8 ) << 2 | CRUMB(value, 0);
+
+ // chksum part
+ uint32_t chksum = 0xFF - block;
+
+ // chksum is reduced by each nibbles of value.
+ for (i = 0; i < 3; ++i){
+ chksum -= NIBBLE_HIGH(valuebytes[i]);
+ chksum -= NIBBLE_LOW(valuebytes[i]);
+ }
+
+ // base4 conversion and left shift twice
+ i = 3;
+ uint8_t base4[] = {0,0,0,0};
+ while( chksum !=0 ){
+ base4[i--] = (chksum % 4 << 2);
+ chksum /= 4;
+ }
+
+ // merge scambled and chksum parts
+ uint32_t encvalue =
+ ( NIBBLE_LOW ( base4[0]) << 28 ) |
+ ( NIBBLE_HIGH( temp[0]) << 24 ) |
+
+ ( NIBBLE_LOW ( base4[1]) << 20 ) |
+ ( NIBBLE_LOW ( temp[0]) << 16 ) |
+
+ ( NIBBLE_LOW ( base4[2]) << 12 ) |
+ ( NIBBLE_HIGH( temp[1]) << 8 ) |
+
+ ( NIBBLE_LOW ( base4[3]) << 4 ) |
+ NIBBLE_LOW ( temp[1] );
+
+ PrintAndLog("ICE encoded | %08X -> %08X", value, encvalue);
+ return encvalue;
+}
+uint32_t srix4kDecode(uint32_t value) {
+ switch(value) {
+ case 0xC04F42C5: return 0x003139;
+ case 0xC1484807: return 0x002943;
+ case 0xC0C60848: return 0x001A20;
+ }
+ return 0;
+}
+uint32_t srix4kDecodeCounter(uint32_t num) {
+ uint32_t value = ~num;
+ ++value;
+ return value;
+}
+
+uint32_t srix4kGetMagicbytes( uint64_t uid, uint32_t block6, uint32_t block18, uint32_t block19 ){
+#define MASK 0xFFFFFFFF;
+ uint32_t uid32 = uid & MASK;
+ uint32_t counter = srix4kDecodeCounter(block6);
+ uint32_t decodedBlock18 = srix4kDecode(block18);
+ uint32_t decodedBlock19 = srix4kDecode(block19);
+ uint32_t doubleBlock = (decodedBlock18 << 16 | decodedBlock19) + 1;
+
+ uint32_t result = (uid32 * doubleBlock * counter) & MASK;
+ PrintAndLog("Magic bytes | %08X", result);
+ return result;
+}
+int srix4kValid(const char *Cmd){
+
+ uint64_t uid = 0xD00202501A4532F9;
+ uint32_t block6 = 0xFFFFFFFF;
+ uint32_t block18 = 0xC04F42C5;
+ uint32_t block19 = 0xC1484807;
+ uint32_t block21 = 0xD1BCABA4;
+
+ uint32_t test_b18 = 0x00313918;
+ uint32_t test_b18_enc = srix4kEncode(test_b18);
+ //uint32_t test_b18_dec = srix4kDecode(test_b18_enc);
+ PrintAndLog("ENCODE & CHECKSUM | %08X -> %08X (%s)", test_b18, test_b18_enc , "");
+
+ uint32_t magic = srix4kGetMagicbytes(uid, block6, block18, block19);
+ PrintAndLog("BLOCK 21 | %08X -> %08X (no XOR)", block21, magic ^ block21);
+ return 0;
+}
+
+int CmdteaSelfTest(const char *Cmd){
+
+ uint8_t v[8], v_le[8];
+ memset(v, 0x00, sizeof(v));
+ memset(v_le, 0x00, sizeof(v_le));
+ uint8_t* v_ptr = v_le;
+
+ uint8_t cmdlen = strlen(Cmd);
+ cmdlen = ( sizeof(v)<<2 < cmdlen ) ? sizeof(v)<<2 : cmdlen;
+
+ if ( param_gethex(Cmd, 0, v, cmdlen) > 0 ){
+ PrintAndLog("can't read hex chars, uneven? :: %u", cmdlen);
+ return 1;
+ }
+
+ SwapEndian64ex(v , 8, 4, v_ptr);
+
+ // ENCRYPTION KEY:
+ uint8_t key[16] = {0x55,0xFE,0xF6,0x30,0x62,0xBF,0x0B,0xC1,0xC9,0xB3,0x7C,0x34,0x97,0x3E,0x29,0xFB };
+ uint8_t keyle[16];
+ uint8_t* key_ptr = keyle;
+ SwapEndian64ex(key , sizeof(key), 4, key_ptr);
+
+ PrintAndLog("TEST LE enc| %s", sprint_hex(v_ptr, 8));
+
+ tea_decrypt(v_ptr, key_ptr);
+ PrintAndLog("TEST LE dec | %s", sprint_hex_ascii(v_ptr, 8));
+
+ tea_encrypt(v_ptr, key_ptr);
+ tea_encrypt(v_ptr, key_ptr);
+ PrintAndLog("TEST enc2 | %s", sprint_hex_ascii(v_ptr, 8));
+
+ return 0;
+}
+
+bool waitCmd(bool verbose) {
+
+ bool crc = FALSE;
+ uint8_t b1 = 0, b2 = 0;
+ uint8_t data[USB_CMD_DATA_SIZE] = {0x00};
+ uint8_t status = 0;
+ uint16_t len = 0;
+ UsbCommand resp;
+
+ if (WaitForResponseTimeout(CMD_ACK, &resp, TIMEOUT)) {
+
+ status = (resp.arg[0] & 0xFF);
+ if ( status > 0 ) return FALSE;
+
+ len = (resp.arg[1] & 0xFFFF);
+
+ memcpy(data, resp.d.asBytes, len);
+
+ if (verbose) {
+ if ( len >= 3 ) {
+ ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
+ crc = ( data[len-2] == b1 && data[len-1] == b2);
+
+ PrintAndLog("[LEN %u] %s[%02X %02X] %s",
+ len,
+ sprint_hex(data, len-2),
+ data[len-2],
+ data[len-1],
+ (crc) ? "OK" : "FAIL"
+ );
+ } else {
+ PrintAndLog("[LEN %u] %s", len, sprint_hex(data, len) );
+ }
+ }
+ return TRUE;
+ } else {
+ PrintAndLog("timeout while waiting for reply.");
+ return FALSE;
+ }
+}
+
+static command_t CommandTable[] = {
+ {"help", CmdHelp, 1, "This help"},
+ {"info", CmdHF14Binfo, 0, "Find and print details about a 14443B tag"},
+ {"list", CmdHF14BList, 0, "[Deprecated] List ISO 14443B history"},
+ {"raw", CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
+ {"reader", CmdHF14BReader, 0, "Act as a 14443B reader to identify a tag"},
+ {"sim", CmdHF14BSim, 0, "Fake ISO 14443B tag"},
+ {"snoop", CmdHF14BSnoop, 0, "Eavesdrop ISO 14443B"},
+ {"sriread", CmdHF14BReadSri, 0, "Read contents of a SRI512 | SRIX4K tag"},
+ {"sriwrite", CmdHF14BWriteSri, 0, "Write data to a SRI512 | SRIX4K tag"},
+ //{"valid", srix4kValid, 1, "srix4k checksum test"},
+ //{"valid", CmdteaSelfTest, 1, "tea test"},
+ {NULL, NULL, 0, NULL}