+
static void topaz_switch_on_field(void)
{
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_SELECT | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, 0, 0}};
SendCommand(&c);
-
- UsbCommand resp;
- WaitForResponse(CMD_ACK, &resp);
}
{
UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
SendCommand(&c);
-
- UsbCommand resp;
- WaitForResponse(CMD_ACK, &resp);
}
-static void topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
+static int topaz_send_cmd_raw(uint8_t *cmd, uint8_t len, uint8_t *response)
{
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_TOPAZMODE, len, 0}};
memcpy(c.d.asBytes, cmd, len);
UsbCommand resp;
WaitForResponse(CMD_ACK, &resp);
- memcpy(response, resp.d.asBytes, resp.arg[0]);
+ if (resp.arg[0] > 0) {
+ memcpy(response, resp.d.asBytes, resp.arg[0]);
+ }
+
+ return resp.arg[0];
}
-static void topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
+static int topaz_send_cmd(uint8_t *cmd, uint8_t len, uint8_t *response)
{
if (len > 1) {
uint8_t first, second;
- ComputeCrc14443(CRC_14443_B, cmd, len, &first, &second);
- cmd[len] = first;
- cmd[len+1] = second;
+ ComputeCrc14443(CRC_14443_B, cmd, len-2, &first, &second);
+ cmd[len-2] = first;
+ cmd[len-1] = second;
}
- topaz_send_cmd_raw(cmd, len+2, response);
+ return topaz_send_cmd_raw(cmd, len, response);
}
-static void topaz_select(uint8_t *atqa, uint8_t *uid)
+static int topaz_select(uint8_t *atqa, uint8_t *rid_response)
{
// ToDo: implement anticollision
- uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
+
uint8_t wupa_cmd[] = {TOPAZ_WUPA};
-
+ uint8_t rid_cmd[] = {TOPAZ_RID, 0, 0, 0, 0, 0, 0, 0, 0};
+
topaz_switch_on_field();
- topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa);
- topaz_send_cmd(rid_cmd, sizeof(rid_cmd) - 2, uid);
- topaz_switch_off_field();
+
+ if (!topaz_send_cmd(wupa_cmd, sizeof(wupa_cmd), atqa)) {
+ topaz_switch_off_field();
+ return -1; // WUPA failed
+ }
+
+ if (!topaz_send_cmd(rid_cmd, sizeof(rid_cmd), rid_response)) {
+ topaz_switch_off_field();
+ return -2; // RID failed
+ }
+
+ return 0; // OK
+}
+
+
+static int topaz_rall(uint8_t *uid, uint8_t *rall_response)
+{
+ uint8_t rall_cmd[] = {TOPAZ_RALL, 0, 0, 0, 0, 0, 0, 0, 0};
+
+ memcpy(&rall_cmd[3], uid, 4);
+ if (!topaz_send_cmd(rall_cmd, sizeof(rall_cmd), rall_response)) {
+ topaz_switch_off_field();
+ return -1; // RALL failed
+ }
+
+ return 0;
}
+static bool topaz_block_is_locked(uint8_t blockno, uint8_t *lockbits)
+{
+ if(lockbits[blockno/8] >> (blockno % 8) & 0x01) {
+ return true;
+ } else {
+ return false;
+ }
+}
+
+
+static int topaz_print_CC(uint8_t *data)
+{
+ if(data[0] != 0xe1) {
+ return -1; // no NDEF message
+ }
+
+ PrintAndLog("Capability Container: %02x %02x %02x %02x", data[0], data[1], data[2], data[3]);
+ PrintAndLog(" %02x: NDEF Magic Number", data[0]);
+ PrintAndLog(" %02x: version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
+ PrintAndLog(" %02x: Physical Memory Size of this tag: %d bytes", data[2], (data[2] + 1) * 8);
+ PrintAndLog(" %02x: %s / %s", data[3],
+ (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
+ (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
+ return 0;
+}
+
+
+static void get_TLV(uint8_t **TLV_ptr, uint8_t *tag, uint16_t *length, uint8_t **value)
+{
+ *length = 0;
+ *value = NULL;
+
+ *tag = **TLV_ptr;
+ *TLV_ptr += 1;
+ switch (*tag) {
+ case 0x00: // NULL TLV.
+ case 0xFE: // Terminator TLV.
+ break;
+ case 0x01: // Lock Control TLV
+ case 0x02: // Reserved Memory TLV
+ case 0x03: // NDEF message TLV
+ case 0xFD: // proprietary TLV
+ *length = **TLV_ptr;
+ *TLV_ptr += 1;
+ if (*length == 0xff) {
+ *length = **TLV_ptr << 8;
+ *TLV_ptr += 1;
+ *length |= **TLV_ptr;
+ *TLV_ptr += 1;
+ }
+ *value = *TLV_ptr;
+ *TLV_ptr += *length;
+ break;
+ default: // RFU
+ break;
+ }
+}
+
+
+static bool topaz_print_lock_control_TLVs(uint8_t *memory)
+{
+ uint8_t *TLV_ptr = memory;
+ uint8_t tag = 0;
+ uint16_t length;
+ uint8_t *value;
+ bool lock_TLV_present = false;
+
+ while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
+ // all Lock Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
+ get_TLV(&TLV_ptr, &tag, &length, &value);
+ if (tag == 0x01) { // the Lock Control TLV
+ uint8_t pages_addr = value[0] >> 4;
+ uint8_t byte_offset = value[0] & 0x0f;
+ uint8_t size_in_bits = value[1] ? value[1] : 256;
+ uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
+ uint8_t bytes_locked_per_bit = 1 << (value[2] >> 4);
+ PrintAndLog("Lock Area of %d bits at byte offset 0x%02x. Each Lock Bit locks %d bytes.",
+ size_in_bits,
+ pages_addr * bytes_per_page + byte_offset,
+ bytes_locked_per_bit);
+ lock_TLV_present = true;
+ }
+ }
+
+ if (!lock_TLV_present) {
+ PrintAndLog("(No Lock Control TLV present)");
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+
+static int topaz_print_reserved_memory_control_TLVs(uint8_t *memory)
+{
+ uint8_t *TLV_ptr = memory;
+ uint8_t tag = 0;
+ uint16_t length;
+ uint8_t *value;
+ bool reserved_memory_control_TLV_present = false;
+
+ while(*TLV_ptr != 0x03 && *TLV_ptr != 0xFD && *TLV_ptr != 0xFE) {
+ // all Reserved Memory Control TLVs shall be present before the NDEF message TLV, the proprietary TLV (and the Terminator TLV)
+ get_TLV(&TLV_ptr, &tag, &length, &value);
+ if (tag == 0x02) { // the Reserved Memory Control TLV
+ uint8_t pages_addr = value[0] >> 4;
+ uint8_t byte_offset = value[0] & 0x0f;
+ uint8_t size_in_bytes = value[1] ? value[1] : 256;
+ uint8_t bytes_per_page = 1 << (value[2] & 0x0f);
+ PrintAndLog("Reserved Memory of %d bytes at byte offset 0x%02x.",
+ size_in_bytes,
+ pages_addr * bytes_per_page + byte_offset);
+ reserved_memory_control_TLV_present = true;
+ }
+ }
+
+ if (!reserved_memory_control_TLV_present) {
+ PrintAndLog("(No Reserved Memory Control TLV present)");
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+
+static void topaz_print_lifecycle_state(uint8_t *data)
+{
+
+}
+
+
+static void topaz_print_NDEF(uint8_t *data)
+{
+
+}
+
+
int CmdHFTopazReader(const char *Cmd)
{
- PrintAndLog("not yet implemented");
+ int status;
+ uint8_t atqa[2];
+ uint8_t rid_response[8];
+ uint8_t *uid_echo = &rid_response[2];
+ union {
+ uint8_t raw_content[124];
+ struct {
+ uint8_t HR[2];
+ uint8_t data_block[15][8];
+ uint8_t CRC[2];
+ } static_memory;
+ } rall_response;
+ uint8_t *static_lock_bytes = rall_response.static_memory.data_block[0x0e];
+
+ status = topaz_select(atqa, rid_response);
+
+ if (status == -1) {
+ PrintAndLog("Error: couldn't receive ATQA");
+ return -1;
+ }
+
+ PrintAndLog("ATQA : %02x %02x", atqa[1], atqa[0]);
+ if (atqa[1] != 0x0c && atqa[0] != 0x00) {
+ PrintAndLog("Tag doesn't support the Topaz protocol.");
+ topaz_switch_off_field();
+ return -1;
+ }
+
+ if (status == -2) {
+ PrintAndLog("Error: tag didn't answer to RID");
+ topaz_switch_off_field();
+ return -1;
+ }
+
+ // ToDo: CRC check
+ PrintAndLog("HR0 : %02x (%sa Topaz tag (%scapable of carrying a NDEF message), %s memory map)", rid_response[0],
+ (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
+ (rid_response[0] & 0xF0) == 0x10 ? "" : "not ",
+ (rid_response[0] & 0x0F) == 0x10 ? "static" : "dynamic");
+ PrintAndLog("HR1 : %02x", rid_response[1]);
+
+ status = topaz_rall(uid_echo, rall_response.raw_content);
+
+ if(status == -1) {
+ PrintAndLog("Error: tag didn't answer to RALL");
+ topaz_switch_off_field();
+ return -1;
+ }
+
+ PrintAndLog("UID : %02x %02x %02x %02x %02x %02x %02x",
+ rall_response.static_memory.data_block[0][6],
+ rall_response.static_memory.data_block[0][5],
+ rall_response.static_memory.data_block[0][4],
+ rall_response.static_memory.data_block[0][3],
+ rall_response.static_memory.data_block[0][2],
+ rall_response.static_memory.data_block[0][1],
+ rall_response.static_memory.data_block[0][0]);
+ PrintAndLog(" UID[6] (Manufacturer Byte) = %02x, Manufacturer: %s",
+ rall_response.static_memory.data_block[0][6],
+ getTagInfo(rall_response.static_memory.data_block[0][6]));
+
+ PrintAndLog("");
+ PrintAndLog("Static Data blocks 00 to 0c:");
+ PrintAndLog("block# | offset | Data | Locked?");
+ char line[80];
+ for (uint16_t i = 0; i <= 0x0c; i++) {
+ for (uint16_t j = 0; j < 8; j++) {
+ sprintf(&line[3*j], "%02x ", rall_response.static_memory.data_block[i][j] /*rall_response[2 + 8*i + j]*/);
+ }
+ PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", i, i*8, line, topaz_block_is_locked(i, static_lock_bytes) ? "yes" : "no");
+ }
+
+ PrintAndLog("");
+ PrintAndLog("Static Reserved block 0d:");
+ for (uint16_t j = 0; j < 8; j++) {
+ sprintf(&line[3*j], "%02x ", rall_response.static_memory.data_block[0x0d][j]);
+ }
+ PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", 0x0d, 0x0d*8, line, "n/a");
+
+ PrintAndLog("");
+ PrintAndLog("Static Lockbits / OTP block 0e:");
+ for (uint16_t j = 0; j < 8; j++) {
+ sprintf(&line[3*j], "%02x ", static_lock_bytes[j]);
+ }
+ PrintAndLog(" 0x%02x | 0x%02x | %s| %-3s", 0x0e, 0x0e*8, line, "n/a");
+
+ PrintAndLog("");
+
+ status = topaz_print_CC(&rall_response.static_memory.data_block[1][0]);
+
+ if (status == -1) {
+ PrintAndLog("No NDEF message present");
+ topaz_switch_off_field();
+ return 0;
+ }
+
+ PrintAndLog("");
+ bool lock_TLV_present = topaz_print_lock_control_TLVs(&rall_response.static_memory.data_block[1][4]);
+
+ PrintAndLog("");
+ bool reserved_mem_present = topaz_print_reserved_memory_control_TLVs(&rall_response.static_memory.data_block[1][4]);
+
+ topaz_print_lifecycle_state(&rall_response.static_memory.data_block[1][0]);
+
+ topaz_print_NDEF(&rall_response.static_memory.data_block[1][0]);
+
+ topaz_switch_off_field();
return 0;
}