static int timeout = 4096;
+// iCLASS has a slightly different timing compared to ISO15693. According to the picopass data sheet the tag response is expected 330us after
+// the reader command. This is measured from end of reader EOF to first modulation of the tag's SOF which starts with a 56,64us unmodulated period.
+// 330us = 140 ssp_clk cycles @ 423,75kHz when simulating.
+// 56,64us = 24 ssp_clk_cycles
+#define DELAY_ICLASS_VCD_TO_VICC_SIM 140
+#define TAG_SOF_UNMODULATED 24
+
//-----------------------------------------------------------------------------
// The software UART that receives commands from the reader, and its state
// variables.
// Encode SOF only
static void CodeIClassTagSOF() {
- //So far a dummy implementation, not used
- //int lastProxToAirDuration =0;
-
ToSendReset();
- // Send SOF
ToSend[++ToSendMax] = 0x1D;
-// lastProxToAirDuration = 8*ToSendMax - 3*8;//Not counting zeroes in the beginning
-
- // Convert from last byte pos to length
ToSendMax++;
}
/**
* @brief Does the actual simulation
- * @param csn - csn to use
- * @param breakAfterMacReceived if true, returns after reader MAC has been received.
*/
int doIClassSimulation(int simulationMode, uint8_t *reader_mac_buf) {
// free eventually allocated BigBuf memory
BigBuf_free_keep_EM();
- State cipher_state;
+ uint16_t page_size = 32 * 8;
+ uint8_t current_page = 0;
+
+ // maintain cipher states for both credit and debit key for each page
+ State cipher_state_KC[8];
+ State cipher_state_KD[8];
+ State *cipher_state = &cipher_state_KD[0];
uint8_t *emulator = BigBuf_get_EM_addr();
uint8_t *csn = emulator;
- uint8_t sof_data[] = { 0x0F } ;
// CSN followed by two CRC bytes
- uint8_t anticoll_data[10] = { 0 };
- uint8_t csn_data[10] = { 0 };
+ uint8_t anticoll_data[10];
+ uint8_t csn_data[10];
memcpy(csn_data, csn, sizeof(csn_data));
Dbprintf("Simulating CSN %02x%02x%02x%02x%02x%02x%02x%02x", csn[0], csn[1], csn[2], csn[3], csn[4], csn[5], csn[6], csn[7]);
AppendCrc(anticoll_data, 8);
AppendCrc(csn_data, 8);
- uint8_t diversified_key[8] = { 0 };
+ uint8_t diversified_key_d[8] = { 0x00 };
+ uint8_t diversified_key_c[8] = { 0x00 };
+ uint8_t *diversified_key = diversified_key_d;
+
+ // configuration block
+ uint8_t conf_block[10] = {0x12, 0xFF, 0xFF, 0xFF, 0x7F, 0x1F, 0xFF, 0x3C, 0x00, 0x00};
+
// e-Purse
uint8_t card_challenge_data[8] = { 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
- //uint8_t card_challenge_data[8] = { 0 };
+
if (simulationMode == ICLASS_SIM_MODE_FULL) {
- // The diversified key should be stored on block 3
- // Get the diversified key from emulator memory
- memcpy(diversified_key, emulator + (8 * 3), 8);
- // Card challenge, a.k.a e-purse is on block 2
- memcpy(card_challenge_data, emulator + (8 * 2), 8);
- // Precalculate the cipher state, feeding it the CC
- cipher_state = opt_doTagMAC_1(card_challenge_data, diversified_key);
+ // initialize from page 0
+ memcpy(conf_block, emulator + 8 * 1, 8);
+ memcpy(card_challenge_data, emulator + 8 * 2, 8); // e-purse
+ memcpy(diversified_key_d, emulator + 8 * 3, 8); // Kd
+ memcpy(diversified_key_c, emulator + 8 * 4, 8); // Kc
}
+
+ AppendCrc(conf_block, 8);
+
// save card challenge for sim2,4 attack
if (reader_mac_buf != NULL) {
memcpy(reader_mac_buf, card_challenge_data, 8);
}
+ if (conf_block[5] & 0x80) {
+ page_size = 256 * 8;
+ }
+
+ // From PicoPass DS:
+ // When the page is in personalization mode this bit is equal to 1.
+ // Once the application issuer has personalized and coded its dedicated areas, this bit must be set to 0:
+ // the page is then "in application mode".
+ bool personalization_mode = conf_block[7] & 0x80;
+
+ // chip memory may be divided in 8 pages
+ uint8_t max_page = conf_block[4] & 0x10 ? 0 : 7;
+
+ // Precalculate the cipher states, feeding it the CC
+ cipher_state_KD[0] = opt_doTagMAC_1(card_challenge_data, diversified_key_d);
+ cipher_state_KC[0] = opt_doTagMAC_1(card_challenge_data, diversified_key_c);
+ if (simulationMode == ICLASS_SIM_MODE_FULL) {
+ for (int i = 1; i < max_page; i++) {
+ uint8_t *epurse = emulator + i*page_size + 8*2;
+ uint8_t *Kd = emulator + i*page_size + 8*3;
+ uint8_t *Kc = emulator + i*page_size + 8*4;
+ cipher_state_KD[i] = opt_doTagMAC_1(epurse, Kd);
+ cipher_state_KC[i] = opt_doTagMAC_1(epurse, Kc);
+ }
+ }
+
int exitLoop = 0;
// Reader 0a
// Tag 0f
int trace_data_size = 0;
// Respond SOF -- takes 1 bytes
- uint8_t *resp_sof = BigBuf_malloc(2);
+ uint8_t *resp_sof = BigBuf_malloc(1);
int resp_sof_Len;
// Anticollision CSN (rotated CSN)
// configuration (block 1) picopass 2ks
uint8_t *resp_conf = BigBuf_malloc(22);
int resp_conf_len;
- uint8_t conf_data[10] = {0x12, 0xFF, 0xFF, 0xFF, 0x7F, 0x1F, 0xFF, 0x3C, 0x00, 0x00};
- AppendCrc(conf_data, 8);
// e-Purse (block 2)
// 18: Takes 2 bytes for SOF/EOF and 8 * 2 = 16 bytes (2 bytes/bit)
uint8_t *resp_cc = BigBuf_malloc(18);
int resp_cc_len;
+ // Kd, Kc (blocks 3 and 4). Cannot be read. Always respond with 0xff bytes only
+ uint8_t *resp_ff = BigBuf_malloc(22);
+ int resp_ff_len;
+ uint8_t ff_data[10] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00};
+ AppendCrc(ff_data, 8);
+
// Application Issuer Area (block 5)
uint8_t *resp_aia = BigBuf_malloc(22);
int resp_aia_len;
int len;
// Prepare card messages
- ToSendMax = 0;
// First card answer: SOF only
CodeIClassTagSOF();
resp_csn_len = ToSendMax;
// Configuration (block 1)
- CodeIso15693AsTag(conf_data, sizeof(conf_data));
+ CodeIso15693AsTag(conf_block, sizeof(conf_block));
memcpy(resp_conf, ToSend, ToSendMax);
resp_conf_len = ToSendMax;
memcpy(resp_cc, ToSend, ToSendMax);
resp_cc_len = ToSendMax;
+ // Kd, Kc (blocks 3 and 4)
+ CodeIso15693AsTag(ff_data, sizeof(ff_data));
+ memcpy(resp_ff, ToSend, ToSendMax);
+ resp_ff_len = ToSendMax;
+
// Application Issuer Area (block 5)
CodeIso15693AsTag(aia_data, sizeof(aia_data));
memcpy(resp_aia, ToSend, ToSendMax);
resp_aia_len = ToSendMax;
//This is used for responding to READ-block commands or other data which is dynamically generated
- uint8_t *data_generic_trace = BigBuf_malloc(8 + 2); // 8 bytes data + 2byte CRC is max tag answer
- uint8_t *data_response = BigBuf_malloc( (8 + 2) * 2 + 2);
+ uint8_t *data_generic_trace = BigBuf_malloc(32 + 2); // 32 bytes data + 2byte CRC is max tag answer
+ uint8_t *data_response = BigBuf_malloc( (32 + 2) * 2 + 2);
- LED_A_ON();
bool buttonPressed = false;
+ enum { IDLE, ACTIVATED, SELECTED, HALTED } chip_state = IDLE;
+
while (!exitLoop) {
WDT_HIT();
- LED_B_OFF();
- //Signal tracer
- // Can be used to get a trigger for an oscilloscope..
- LED_C_OFF();
uint32_t reader_eof_time = 0;
len = GetIso15693CommandFromReader(receivedCmd, MAX_FRAME_SIZE, &reader_eof_time);
buttonPressed = true;
break;
}
-
- //Signal tracer
- LED_C_ON();
// Now look at the reader command and provide appropriate responses
// default is no response:
modulated_response_size = 0;
trace_data = NULL;
trace_data_size = 0;
- if (receivedCmd[0] == ICLASS_CMD_ACTALL) {
- // Reader in anticollission phase
- modulated_response = resp_sof;
- modulated_response_size = resp_sof_Len;
- trace_data = sof_data;
- trace_data_size = sizeof(sof_data);
+
+ if (receivedCmd[0] == ICLASS_CMD_ACTALL && len == 1) {
+ // Reader in anticollision phase
+ if (chip_state != HALTED) {
+ modulated_response = resp_sof;
+ modulated_response_size = resp_sof_Len;
+ chip_state = ACTIVATED;
+ }
} else if (receivedCmd[0] == ICLASS_CMD_READ_OR_IDENTIFY && len == 1) { // identify
- // Reader asks for anticollission CSN
- modulated_response = resp_anticoll;
- modulated_response_size = resp_anticoll_len;
- trace_data = anticoll_data;
- trace_data_size = sizeof(anticoll_data);
- //DbpString("Reader requests anticollission CSN:");
-
+ // Reader asks for anticollision CSN
+ if (chip_state == SELECTED || chip_state == ACTIVATED) {
+ modulated_response = resp_anticoll;
+ modulated_response_size = resp_anticoll_len;
+ trace_data = anticoll_data;
+ trace_data_size = sizeof(anticoll_data);
+ }
+
+ } else if (receivedCmd[0] == ICLASS_CMD_SELECT && len == 9) {
+ // Reader selects anticollision CSN.
+ // Tag sends the corresponding real CSN
+ if (chip_state == ACTIVATED || chip_state == SELECTED) {
+ if (!memcmp(receivedCmd+1, anticoll_data, 8)) {
+ modulated_response = resp_csn;
+ modulated_response_size = resp_csn_len;
+ trace_data = csn_data;
+ trace_data_size = sizeof(csn_data);
+ chip_state = SELECTED;
+ } else {
+ chip_state = IDLE;
+ }
+ } else if (chip_state == HALTED) {
+ // RESELECT with CSN
+ if (!memcmp(receivedCmd+1, csn_data, 8)) {
+ modulated_response = resp_csn;
+ modulated_response_size = resp_csn_len;
+ trace_data = csn_data;
+ trace_data_size = sizeof(csn_data);
+ chip_state = SELECTED;
+ }
+ }
+
} else if (receivedCmd[0] == ICLASS_CMD_READ_OR_IDENTIFY && len == 4) { // read block
uint16_t blockNo = receivedCmd[1];
- if (simulationMode != ICLASS_SIM_MODE_FULL) {
- // provide defaults for blocks 0, 1, 2, 5
- switch (blockNo) {
- case 0: // csn (block 00)
- modulated_response = resp_csn;
- modulated_response_size = resp_csn_len;
- trace_data = csn_data;
- trace_data_size = sizeof(csn_data);
- break;
- case 1: // configuration (block 01)
- modulated_response = resp_conf;
- modulated_response_size = resp_conf_len;
- trace_data = conf_data;
- trace_data_size = sizeof(conf_data);
- break;
- case 2: // e-purse (block 02)
- modulated_response = resp_cc;
- modulated_response_size = resp_cc_len;
- trace_data = card_challenge_data;
- trace_data_size = sizeof(card_challenge_data);
- // set epurse of sim2,4 attack
+ if (chip_state == SELECTED) {
+ if (simulationMode == ICLASS_SIM_MODE_EXIT_AFTER_MAC) {
+ // provide defaults for blocks 0 ... 5
+ switch (blockNo) {
+ case 0: // csn (block 00)
+ modulated_response = resp_csn;
+ modulated_response_size = resp_csn_len;
+ trace_data = csn_data;
+ trace_data_size = sizeof(csn_data);
+ break;
+ case 1: // configuration (block 01)
+ modulated_response = resp_conf;
+ modulated_response_size = resp_conf_len;
+ trace_data = conf_block;
+ trace_data_size = sizeof(conf_block);
+ break;
+ case 2: // e-purse (block 02)
+ modulated_response = resp_cc;
+ modulated_response_size = resp_cc_len;
+ trace_data = card_challenge_data;
+ trace_data_size = sizeof(card_challenge_data);
+ // set epurse of sim2,4 attack
+ if (reader_mac_buf != NULL) {
+ memcpy(reader_mac_buf, card_challenge_data, 8);
+ }
+ break;
+ case 3:
+ case 4: // Kd, Kc, always respond with 0xff bytes
+ modulated_response = resp_ff;
+ modulated_response_size = resp_ff_len;
+ trace_data = ff_data;
+ trace_data_size = sizeof(ff_data);
+ break;
+ case 5: // Application Issuer Area (block 05)
+ modulated_response = resp_aia;
+ modulated_response_size = resp_aia_len;
+ trace_data = aia_data;
+ trace_data_size = sizeof(aia_data);
+ break;
+ // default: don't respond
+ }
+ } else if (simulationMode == ICLASS_SIM_MODE_FULL) {
+ if (blockNo == 3 || blockNo == 4) { // Kd, Kc, always respond with 0xff bytes
+ modulated_response = resp_ff;
+ modulated_response_size = resp_ff_len;
+ trace_data = ff_data;
+ trace_data_size = sizeof(ff_data);
+ } else { // use data from emulator memory
+ memcpy(data_generic_trace, emulator + current_page*page_size + 8*blockNo, 8);
+ AppendCrc(data_generic_trace, 8);
+ trace_data = data_generic_trace;
+ trace_data_size = 10;
+ CodeIso15693AsTag(trace_data, trace_data_size);
+ memcpy(data_response, ToSend, ToSendMax);
+ modulated_response = data_response;
+ modulated_response_size = ToSendMax;
+ }
+ }
+ }
+
+ } else if ((receivedCmd[0] == ICLASS_CMD_READCHECK_KD
+ || receivedCmd[0] == ICLASS_CMD_READCHECK_KC) && receivedCmd[1] == 0x02 && len == 2) {
+ // Read e-purse (88 02 || 18 02)
+ if (chip_state == SELECTED) {
+ if(receivedCmd[0] == ICLASS_CMD_READCHECK_KD){
+ cipher_state = &cipher_state_KD[current_page];
+ diversified_key = diversified_key_d;
+ } else {
+ cipher_state = &cipher_state_KC[current_page];
+ diversified_key = diversified_key_c;
+ }
+ modulated_response = resp_cc;
+ modulated_response_size = resp_cc_len;
+ trace_data = card_challenge_data;
+ trace_data_size = sizeof(card_challenge_data);
+ }
+
+ } else if ((receivedCmd[0] == ICLASS_CMD_CHECK_KC
+ || receivedCmd[0] == ICLASS_CMD_CHECK_KD) && len == 9) {
+ // Reader random and reader MAC!!!
+ if (chip_state == SELECTED) {
+ if (simulationMode == ICLASS_SIM_MODE_FULL) {
+ //NR, from reader, is in receivedCmd+1
+ opt_doTagMAC_2(*cipher_state, receivedCmd+1, data_generic_trace, diversified_key);
+ trace_data = data_generic_trace;
+ trace_data_size = 4;
+ CodeIso15693AsTag(trace_data, trace_data_size);
+ memcpy(data_response, ToSend, ToSendMax);
+ modulated_response = data_response;
+ modulated_response_size = ToSendMax;
+ //exitLoop = true;
+ } else { // Not fullsim, we don't respond
+ // We do not know what to answer, so lets keep quiet
+ if (simulationMode == ICLASS_SIM_MODE_EXIT_AFTER_MAC) {
if (reader_mac_buf != NULL) {
- memcpy(reader_mac_buf, card_challenge_data, 8);
+ // save NR and MAC for sim 2,4
+ memcpy(reader_mac_buf + 8, receivedCmd + 1, 8);
}
- break;
- case 5: // Application Issuer Area (block 05)
- modulated_response = resp_aia;
- modulated_response_size = resp_aia_len;
- trace_data = aia_data;
- trace_data_size = sizeof(aia_data);
- break;
- // default: don't respond
+ exitLoop = true;
+ }
}
- } else { // use data from emulator memory
- memcpy(data_generic_trace, emulator + (receivedCmd[1] << 3), 8);
- AppendCrc(data_generic_trace, 8);
+ }
+
+ } else if (receivedCmd[0] == ICLASS_CMD_HALT && len == 1) {
+ if (chip_state == SELECTED) {
+ // Reader ends the session
+ modulated_response = resp_sof;
+ modulated_response_size = resp_sof_Len;
+ chip_state = HALTED;
+ }
+
+ } else if (simulationMode == ICLASS_SIM_MODE_FULL && receivedCmd[0] == ICLASS_CMD_READ4 && len == 4) { // 0x06
+ //Read 4 blocks
+ if (chip_state == SELECTED) {
+ uint8_t blockNo = receivedCmd[1];
+ memcpy(data_generic_trace, emulator + current_page*page_size + blockNo*8, 8 * 4);
+ AppendCrc(data_generic_trace, 8 * 4);
trace_data = data_generic_trace;
- trace_data_size = 10;
+ trace_data_size = 8 * 4 + 2;
CodeIso15693AsTag(trace_data, trace_data_size);
memcpy(data_response, ToSend, ToSendMax);
modulated_response = data_response;
modulated_response_size = ToSendMax;
}
- } else if (receivedCmd[0] == ICLASS_CMD_SELECT) {
- // Reader selects anticollission CSN.
- // Tag sends the corresponding real CSN
- modulated_response = resp_csn;
- modulated_response_size = resp_csn_len;
- trace_data = csn_data;
- trace_data_size = sizeof(csn_data);
-
- } else if (receivedCmd[0] == ICLASS_CMD_READCHECK_KD
- || receivedCmd[0] == ICLASS_CMD_READCHECK_KC) {
- // Read e-purse (88 02 || 18 02)
- modulated_response = resp_cc;
- modulated_response_size = resp_cc_len;
- trace_data = card_challenge_data;
- trace_data_size = sizeof(card_challenge_data);
- LED_B_ON();
-
- } else if (receivedCmd[0] == ICLASS_CMD_CHECK) {
- // Reader random and reader MAC!!!
- if (simulationMode == ICLASS_SIM_MODE_FULL) {
- //NR, from reader, is in receivedCmd+1
- opt_doTagMAC_2(cipher_state, receivedCmd+1, data_generic_trace, diversified_key);
+ } else if (receivedCmd[0] == ICLASS_CMD_UPDATE && (len == 12 || len == 14)) {
+ // We're expected to respond with the data+crc, exactly what's already in the receivedCmd
+ // receivedCmd is now UPDATE 1b | ADDRESS 1b | DATA 8b | Signature 4b or CRC 2b
+ if (chip_state == SELECTED) {
+ uint8_t blockNo = receivedCmd[1];
+ if (blockNo == 2) { // update e-purse
+ memcpy(card_challenge_data, receivedCmd+2, 8);
+ CodeIso15693AsTag(card_challenge_data, sizeof(card_challenge_data));
+ memcpy(resp_cc, ToSend, ToSendMax);
+ resp_cc_len = ToSendMax;
+ cipher_state_KD[current_page] = opt_doTagMAC_1(card_challenge_data, diversified_key_d);
+ cipher_state_KC[current_page] = opt_doTagMAC_1(card_challenge_data, diversified_key_c);
+ if (simulationMode == ICLASS_SIM_MODE_FULL) {
+ memcpy(emulator + current_page*page_size + 8*2, card_challenge_data, 8);
+ }
+ } else if (blockNo == 3) { // update Kd
+ for (int i = 0; i < 8; i++) {
+ if (personalization_mode) {
+ diversified_key_d[i] = receivedCmd[2 + i];
+ } else {
+ diversified_key_d[i] ^= receivedCmd[2 + i];
+ }
+ }
+ cipher_state_KD[current_page] = opt_doTagMAC_1(card_challenge_data, diversified_key_d);
+ if (simulationMode == ICLASS_SIM_MODE_FULL) {
+ memcpy(emulator + current_page*page_size + 8*3, diversified_key_d, 8);
+ }
+ } else if (blockNo == 4) { // update Kc
+ for (int i = 0; i < 8; i++) {
+ if (personalization_mode) {
+ diversified_key_c[i] = receivedCmd[2 + i];
+ } else {
+ diversified_key_c[i] ^= receivedCmd[2 + i];
+ }
+ }
+ cipher_state_KC[current_page] = opt_doTagMAC_1(card_challenge_data, diversified_key_c);
+ if (simulationMode == ICLASS_SIM_MODE_FULL) {
+ memcpy(emulator + current_page*page_size + 8*4, diversified_key_c, 8);
+ }
+ } else if (simulationMode == ICLASS_SIM_MODE_FULL) { // update any other data block
+ memcpy(emulator + current_page*page_size + 8*blockNo, receivedCmd+2, 8);
+ }
+ memcpy(data_generic_trace, receivedCmd + 2, 8);
+ AppendCrc(data_generic_trace, 8);
trace_data = data_generic_trace;
- trace_data_size = 4;
+ trace_data_size = 10;
CodeIso15693AsTag(trace_data, trace_data_size);
memcpy(data_response, ToSend, ToSendMax);
modulated_response = data_response;
modulated_response_size = ToSendMax;
- //exitLoop = true;
- } else { // Not fullsim, we don't respond
- // We do not know what to answer, so lets keep quiet
- if (simulationMode == ICLASS_SIM_MODE_EXIT_AFTER_MAC) {
- if (reader_mac_buf != NULL) {
- // save NR and MAC for sim 2,4
- memcpy(reader_mac_buf + 8, receivedCmd + 1, 8);
- }
- exitLoop = true;
- }
}
- } else if (receivedCmd[0] == ICLASS_CMD_HALT && len == 1) {
- // Reader ends the session
- modulated_response = resp_sof;
- modulated_response_size = 0;
- trace_data = NULL;
- trace_data_size = 0;
-
- } else if (receivedCmd[0] == ICLASS_CMD_UPDATE && simulationMode == ICLASS_SIM_MODE_FULL) {
- // Probably the reader wants to update the nonce. Let's just ignore that for now.
- // OBS! If this is implemented, don't forget to regenerate the cipher_state
- // We're expected to respond with the data+crc, exactly what's already in the receivedCmd
- // receivedCmd is now UPDATE 1b | ADDRESS 1b | DATA 8b | Signature 4b or CRC 2b
- memcpy(data_generic_trace, receivedCmd + 2, 8);
- AppendCrc(data_generic_trace, 8);
- trace_data = data_generic_trace;
- trace_data_size = 10;
- CodeIso15693AsTag(trace_data, trace_data_size);
- memcpy(data_response, ToSend, ToSendMax);
- modulated_response = data_response;
- modulated_response_size = ToSendMax;
-
- } else if (receivedCmd[0] == ICLASS_CMD_PAGESEL) {
+ } else if (receivedCmd[0] == ICLASS_CMD_PAGESEL && len == 4) {
// Pagesel
- // Pagesel enables to select a page in the selected chip memory and return its configuration block
// Chips with a single page will not answer to this command
- // It appears we're fine ignoring this.
- // Otherwise, we should answer 8bytes (block) + 2bytes CRC
+ // Otherwise, we should answer 8bytes (conf block 1) + 2bytes CRC
+ if (chip_state == SELECTED) {
+ if (simulationMode == ICLASS_SIM_MODE_FULL && max_page > 0) {
+ current_page = receivedCmd[1];
+ memcpy(data_generic_trace, emulator + current_page*page_size + 8*1, 8);
+ memcpy(diversified_key_d, emulator + current_page*page_size + 8*3, 8);
+ memcpy(diversified_key_c, emulator + current_page*page_size + 8*4, 8);
+ cipher_state = &cipher_state_KD[current_page];
+ personalization_mode = data_generic_trace[7] & 0x80;
+ AppendCrc(data_generic_trace, 8);
+ trace_data = data_generic_trace;
+ trace_data_size = 10;
+ CodeIso15693AsTag(trace_data, trace_data_size);
+ memcpy(data_response, ToSend, ToSendMax);
+ modulated_response = data_response;
+ modulated_response_size = ToSendMax;
+ }
+ }
+
+ } else if (receivedCmd[0] == 0x26 && len == 5) {
+ // standard ISO15693 INVENTORY command. Ignore.
} else {
- // Never seen this command before
+ // don't know how to handle this command
char debug_message[250]; // should be enough
sprintf(debug_message, "Unhandled command (len = %d) received from reader:", len);
for (int i = 0; i < len && strlen(debug_message) < sizeof(debug_message) - 3 - 1; i++) {
}
/**
- A legit tag has about 330us delay between reader EOT and tag SOF.
+ A legit tag has about 273,4us delay between reader EOT and tag SOF.
**/
if (modulated_response_size > 0) {
- uint32_t response_time = reader_eof_time + DELAY_ISO15693_VCD_TO_VICC_SIM - DELAY_ARM_TO_READER_SIM;
- TransmitTo15693Reader(modulated_response, modulated_response_size, response_time, false);
+ uint32_t response_time = reader_eof_time + DELAY_ICLASS_VCD_TO_VICC_SIM - TAG_SOF_UNMODULATED - DELAY_ARM_TO_READER_SIM;
+ TransmitTo15693Reader(modulated_response, modulated_response_size, &response_time, 0, false);
LogTrace(trace_data, trace_data_size, response_time + DELAY_ARM_TO_READER_SIM, response_time + (modulated_response_size << 6) + DELAY_ARM_TO_READER_SIM, NULL, false);
}
}
- LED_A_OFF();
- LED_B_OFF();
- LED_C_OFF();
-
if (buttonPressed)
{
DbpString("Button pressed");
* @param datain
*/
void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain) {
+
+ LED_A_ON();
+
uint32_t simType = arg0;
uint32_t numberOfCSNS = arg1;
// setup hardware for simulation:
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR | FPGA_HF_SIMULATOR_NO_MODULATION);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR | FPGA_HF_SIMULATOR_NO_MODULATION);
+ LED_D_OFF();
FpgaSetupSsc(FPGA_MAJOR_MODE_HF_SIMULATOR);
StartCountSspClk();
datain[i*8+0], datain[i*8+1], datain[i*8+2], datain[i*8+3],
datain[i*8+4], datain[i*8+5], datain[i*8+6], datain[i*8+7]);
Dbprintf("NR,MAC: %02x %02x %02x %02x %02x %02x %02x %02x",
- datain[i*8+ 8], datain[i*8+ 9], datain[i*8+10], datain[i*8+11],
- datain[i*8+12], datain[i*8+13], datain[i*8+14], datain[i*8+15]);
+ mac_responses[i*16+ 8], mac_responses[i*16+ 9], mac_responses[i*16+10], mac_responses[i*16+11],
+ mac_responses[i*16+12], mac_responses[i*16+13], mac_responses[i*16+14], mac_responses[i*16+15]);
+ SpinDelay(100); // give the reader some time to prepare for next CSN
}
cmd_send(CMD_ACK, CMD_SIMULATE_TAG_ICLASS, i, 0, mac_responses, i*16);
} else if (simType == ICLASS_SIM_MODE_FULL) {
// That will speed things up a little, but not required just yet.
Dbprintf("The mode is not implemented, reserved for future use");
}
+
Dbprintf("Done...");
+ LED_A_OFF();
}
if (elapsed) (*elapsed)++;
}
if (AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- if (c < timeout) {
- c++;
- } else {
- return false;
+ if (c < timeout) {
+ c++;
+ } else {
+ return false;
}
b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
skip = !skip;
ReaderTransmitIClass(act_all, 1);
// Card present?
if (!ReaderReceiveIClass(resp)) return read_status;//Fail
+
//Send Identify
ReaderTransmitIClass(identify, 1);
//We expect a 10-byte response here, 8 byte anticollision-CSN and 2 byte CRC
}
void iClass_Authentication(uint8_t *MAC) {
- uint8_t check[] = { ICLASS_CMD_CHECK, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ uint8_t check[] = { ICLASS_CMD_CHECK_KD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t resp[ICLASS_BUFFER_SIZE];
memcpy(check+5, MAC, 4);
bool isOK;
projects / proxmark3-svn / blobdiff