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https://github.com/RfidResearchGroup/proxmark3.git
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emrtd: Add 14b support and better presence detection
This commit is contained in:
Ave
parent
ac82a80afa
commit
21fc1d634f
3 changed files with 85 additions and 48 deletions
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@ -1488,7 +1488,7 @@ static int handle_14b_apdu(bool chainingin, uint8_t *datain, int datainlen, bool
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return PM3_SUCCESS;
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}
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static int exchange_14b_apdu(uint8_t *datain, int datainlen, bool activate_field, bool leave_signal_on, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
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int exchange_14b_apdu(uint8_t *datain, int datainlen, bool activate_field, bool leave_signal_on, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
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*dataoutlen = 0;
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bool chaining = false;
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int res;
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@ -15,6 +15,8 @@
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int CmdHF14B(const char *Cmd);
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int exchange_14b_apdu(uint8_t *datain, int datainlen, bool activate_field, bool leave_signal_on, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
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int infoHF14B(bool verbose);
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int readHF14B(bool verbose);
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#endif
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@ -24,6 +24,8 @@
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#include "sha1.h" // KSeed calculation etc
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#include "mifare/desfire_crypto.h" // des_encrypt/des_decrypt
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#include "des.h" // mbedtls_des_key_set_parity
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#include "cmdhf14b.h" // exchange_14b_apdu
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#include "iso14b.h" // ISO14B_CONNECT etc
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#define TIMEOUT 2000
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@ -70,8 +72,7 @@ static uint16_t get_sw(uint8_t *d, uint8_t n) {
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return d[n] * 0x0100 + d[n + 1];
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}
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static bool exchange_commands(const char *cmd, uint8_t *dataout, int *dataoutlen, bool activate_field, bool keep_field_on) {
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// TODO: Account for 14b too
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static bool exchange_commands(const char *cmd, uint8_t *dataout, int *dataoutlen, bool activate_field, bool keep_field_on, bool use_14b) {
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uint8_t response[PM3_CMD_DATA_SIZE];
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int resplen = 0;
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@ -80,7 +81,12 @@ static bool exchange_commands(const char *cmd, uint8_t *dataout, int *dataoutlen
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uint8_t aCMD[500];
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int aCMD_n = 0;
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param_gethex_to_eol(cmd, 0, aCMD, sizeof(aCMD), &aCMD_n);
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int res = ExchangeAPDU14a(aCMD, aCMD_n, activate_field, keep_field_on, response, sizeof(response), &resplen);
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int res;
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if (use_14b) {
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res = exchange_14b_apdu(aCMD, aCMD_n, activate_field, keep_field_on, response, sizeof(response), &resplen);
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} else {
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res = ExchangeAPDU14a(aCMD, aCMD_n, activate_field, keep_field_on, response, sizeof(response), &resplen);
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}
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if (res) {
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DropField();
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return false;
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@ -103,11 +109,11 @@ static bool exchange_commands(const char *cmd, uint8_t *dataout, int *dataoutlen
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return true;
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}
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static int exchange_commands_noout(const char *cmd, bool activate_field, bool keep_field_on) {
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static int exchange_commands_noout(const char *cmd, bool activate_field, bool keep_field_on, bool use_14b) {
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uint8_t response[PM3_CMD_DATA_SIZE];
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int resplen = 0;
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return exchange_commands(cmd, response, &resplen, activate_field, keep_field_on);
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return exchange_commands(cmd, response, &resplen, activate_field, keep_field_on, use_14b);
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}
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static char calculate_check_digit(char *data) {
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@ -282,44 +288,44 @@ static void deskey(uint8_t *seed, uint8_t *type, int length, uint8_t *dataout) {
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memcpy(dataout, &key, length);
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}
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static int select_file(const char *select_by, const char *file_id, bool activate_field, bool keep_field_on) {
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static int select_file(const char *select_by, const char *file_id, bool use_14b) {
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size_t file_id_len = strlen(file_id) / 2;
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char cmd[50];
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sprintf(cmd, "00%s%s0C%02lu%s", SELECT, select_by, file_id_len, file_id);
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return exchange_commands_noout(cmd, activate_field, keep_field_on);
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return exchange_commands_noout(cmd, false, true, use_14b);
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}
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static int get_challenge(int length, uint8_t *dataout, int *dataoutlen) {
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static int get_challenge(int length, uint8_t *dataout, int *dataoutlen, bool use_14b) {
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char cmd[50];
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sprintf(cmd, "00%s0000%02X", GET_CHALLENGE, length);
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return exchange_commands(cmd, dataout, dataoutlen, false, true);
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return exchange_commands(cmd, dataout, dataoutlen, false, true, use_14b);
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}
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static int external_authenticate(uint8_t *data, int length, uint8_t *dataout, int *dataoutlen) {
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static int external_authenticate(uint8_t *data, int length, uint8_t *dataout, int *dataoutlen, bool use_14b) {
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char cmd[100];
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sprintf(cmd, "00%s0000%02X%s%02X", EXTERNAL_AUTHENTICATE, length, sprint_hex_inrow(data, length), length);
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return exchange_commands(cmd, dataout, dataoutlen, false, true);
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return exchange_commands(cmd, dataout, dataoutlen, false, true, use_14b);
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}
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static int _read_binary(int offset, int bytes_to_read, uint8_t *dataout, int *dataoutlen) {
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static int _read_binary(int offset, int bytes_to_read, uint8_t *dataout, int *dataoutlen, bool use_14b) {
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char cmd[50];
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sprintf(cmd, "00%s%04i%02i", READ_BINARY, offset, bytes_to_read);
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return exchange_commands(cmd, dataout, dataoutlen, false, true);
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return exchange_commands(cmd, dataout, dataoutlen, false, true, use_14b);
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}
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static int read_file(uint8_t *dataout, int *dataoutlen) {
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static int read_file(uint8_t *dataout, int *dataoutlen, bool use_14b) {
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uint8_t response[PM3_CMD_DATA_SIZE];
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int resplen = 0;
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uint8_t tempresponse[PM3_CMD_DATA_SIZE];
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int tempresplen = 0;
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if (!_read_binary(0, 4, response, &resplen)) {
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if (!_read_binary(0, 4, response, &resplen, use_14b)) {
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return false;
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}
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@ -334,7 +340,7 @@ static int read_file(uint8_t *dataout, int *dataoutlen) {
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toread = 118;
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}
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if (!_read_binary(offset, toread, tempresponse, &tempresplen)) {
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if (!_read_binary(offset, toread, tempresponse, &tempresplen, use_14b)) {
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return false;
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}
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@ -405,7 +411,7 @@ static void _convert_filename(const char *file, uint8_t *dataout) {
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dataout[1] = (int)strtol(temp, NULL, 16);
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}
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static bool secure_select_file(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, const char *file) {
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static bool secure_select_file(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, const char *file, bool use_14b) {
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uint8_t response[PM3_CMD_DATA_SIZE];
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int resplen = 0;
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@ -460,12 +466,12 @@ static bool secure_select_file(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, const
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sprintf(command, "0C%s020C%02X%s00", SELECT, lc, sprint_hex_inrow(data, lc));
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PrintAndLogEx(DEBUG, "command: %s", command);
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exchange_commands(command, response, &resplen, false, true);
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exchange_commands(command, response, &resplen, false, true, use_14b);
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return check_cc(ssc, kmac, response, resplen);
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}
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static bool _secure_read_binary(uint8_t *kmac, uint8_t *ssc, int offset, int bytes_to_read, uint8_t *dataout, int *dataoutlen) {
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static bool _secure_read_binary(uint8_t *kmac, uint8_t *ssc, int offset, int bytes_to_read, uint8_t *dataout, int *dataoutlen, bool use_14b) {
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char command[54];
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uint8_t cmd[8];
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uint8_t data[21];
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@ -518,18 +524,18 @@ static bool _secure_read_binary(uint8_t *kmac, uint8_t *ssc, int offset, int byt
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sprintf(command, "0C%s%02X%02X%02X%s00", READ_BINARY, p1, p2, lc, sprint_hex_inrow(data, lc));
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PrintAndLogEx(DEBUG, "command: %s", command);
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exchange_commands(command, dataout, dataoutlen, false, true);
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exchange_commands(command, dataout, dataoutlen, false, true, use_14b);
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return check_cc(ssc, kmac, dataout, *dataoutlen);
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}
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static bool _secure_read_binary_decrypt(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, int offset, int bytes_to_read, uint8_t *dataout, int *dataoutlen) {
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static bool _secure_read_binary_decrypt(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, int offset, int bytes_to_read, uint8_t *dataout, int *dataoutlen, bool use_14b) {
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uint8_t response[500];
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uint8_t temp[500];
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int resplen, cutat = 0;
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uint8_t iv[8] = { 0x00 };
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if (_secure_read_binary(kmac, ssc, offset, bytes_to_read, response, &resplen) == false) {
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if (_secure_read_binary(kmac, ssc, offset, bytes_to_read, response, &resplen, use_14b) == false) {
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return false;
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}
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@ -545,14 +551,14 @@ static bool _secure_read_binary_decrypt(uint8_t *kenc, uint8_t *kmac, uint8_t *s
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return true;
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}
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static int secure_read_file(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, uint8_t *dataout, int *dataoutlen) {
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static int secure_read_file(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, uint8_t *dataout, int *dataoutlen, bool use_14b) {
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// TODO: join this with regular read file
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uint8_t response[25000];
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int resplen = 0;
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uint8_t tempresponse[500];
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int tempresplen = 0;
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if (!_secure_read_binary_decrypt(kenc, kmac, ssc, 0, 4, response, &resplen)) {
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if (!_secure_read_binary_decrypt(kenc, kmac, ssc, 0, 4, response, &resplen, use_14b)) {
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return false;
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}
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@ -567,7 +573,7 @@ static int secure_read_file(uint8_t *kenc, uint8_t *kmac, uint8_t *ssc, uint8_t
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toread = 118;
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}
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if (!_secure_read_binary_decrypt(kenc, kmac, ssc, offset, toread, tempresponse, &tempresplen)) {
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if (!_secure_read_binary_decrypt(kenc, kmac, ssc, offset, toread, tempresponse, &tempresplen, use_14b)) {
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return false;
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}
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@ -597,9 +603,38 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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uint8_t KENC_type[4] = {0x00, 0x00, 0x00, 0x01};
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uint8_t KMAC_type[4] = {0x00, 0x00, 0x00, 0x02};
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bool use_14b = false;
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// Try to 14a
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SendCommandMIX(CMD_HF_ISO14443A_READER, ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0, NULL, 0);
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PacketResponseNG resp;
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bool failed_14a = false;
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
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DropField();
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failed_14a = true;
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}
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if (failed_14a || resp.oldarg[0] == 0) {
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PrintAndLogEx(INFO, "No eMRTD spotted with 14a, trying 14b.");
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// If not 14a, try to 14b
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SendCommandMIX(CMD_HF_ISO14443B_COMMAND, ISO14B_CONNECT | ISO14B_SELECT_STD, 0, 0, NULL, 0);
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if (!WaitForResponseTimeout(CMD_HF_ISO14443B_COMMAND, &resp, 2500)) {
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DropField();
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PrintAndLogEx(INFO, "No eMRTD spotted with 14b, exiting.");
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return PM3_ESOFT;
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}
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if (resp.oldarg[0] != 0) {
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DropField();
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PrintAndLogEx(INFO, "No eMRTD spotted with 14b, exiting.");
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return PM3_ESOFT;
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}
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use_14b = true;
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}
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// Select and read EF_CardAccess
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if (select_file(P1_SELECT_BY_EF, EF_CARDACCESS, true, true)) {
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read_file(response, &resplen);
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if (select_file(P1_SELECT_BY_EF, EF_CARDACCESS, use_14b)) {
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read_file(response, &resplen, use_14b);
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PrintAndLogEx(INFO, "Read EF_CardAccess, len: %i.", resplen);
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PrintAndLogEx(DEBUG, "Contents (may be incomplete over 2k chars): %s", sprint_hex_inrow(response, resplen));
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} else {
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@ -607,22 +642,22 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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}
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// Select MRTD applet
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if (select_file(P1_SELECT_BY_NAME, AID_MRTD, false, true) == false) {
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if (select_file(P1_SELECT_BY_NAME, AID_MRTD, use_14b) == false) {
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PrintAndLogEx(ERR, "Couldn't select the MRTD application.");
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DropField();
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return PM3_ESOFT;
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}
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// Select EF_COM
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if (select_file(P1_SELECT_BY_EF, EF_COM, false, true) == false) {
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if (select_file(P1_SELECT_BY_EF, EF_COM, use_14b) == false) {
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// BAC = true;
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PrintAndLogEx(INFO, "Basic Access Control is enforced. Will attempt external authentication.");
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} else {
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// BAC = false;
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// Select EF_DG1
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select_file(P1_SELECT_BY_EF, EF_DG1, false, true);
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select_file(P1_SELECT_BY_EF, EF_DG1, use_14b);
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if (read_file(response, &resplen) == false) {
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if (read_file(response, &resplen, use_14b) == false) {
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// BAC = true;
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PrintAndLogEx(INFO, "Basic Access Control is enforced. Will attempt external authentication.");
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} else {
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@ -652,7 +687,7 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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PrintAndLogEx(DEBUG, "kmac: %s", sprint_hex_inrow(kmac, 16));
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// Get Challenge
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if (get_challenge(8, rnd_ic, &resplen) == false) {
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if (get_challenge(8, rnd_ic, &resplen, use_14b) == false) {
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PrintAndLogEx(ERR, "Couldn't get challenge.");
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DropField();
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return PM3_ESOFT;
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@ -681,7 +716,7 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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memcpy(cmd_data + 32, m_ifd, 8);
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// Do external authentication
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if (external_authenticate(cmd_data, sizeof(cmd_data), response, &resplen) == false) {
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if (external_authenticate(cmd_data, sizeof(cmd_data), response, &resplen, use_14b) == false) {
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PrintAndLogEx(ERR, "Couldn't do external authentication. Did you supply the correct MRZ info?");
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DropField();
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return PM3_ESOFT;
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@ -723,13 +758,13 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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PrintAndLogEx(DEBUG, "ssc: %s", sprint_hex_inrow(ssc, 8));
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// Select EF_COM
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if (secure_select_file(ks_enc, ks_mac, ssc, EF_COM) == false) {
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if (secure_select_file(ks_enc, ks_mac, ssc, EF_COM, use_14b) == false) {
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PrintAndLogEx(ERR, "Failed to secure select EF_COM, crypto checksum check failed.");
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DropField();
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return PM3_ESOFT;
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}
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if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen) == false) {
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if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen, use_14b) == false) {
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PrintAndLogEx(ERR, "Failed to read EF_COM.");
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DropField();
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return PM3_ESOFT;
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@ -740,13 +775,13 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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// TODO: Don't read a hardcoded list of files, reduce code repetition
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// Select EF_DG1
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if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG1) == false) {
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if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG1, use_14b) == false) {
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PrintAndLogEx(ERR, "Failed to secure select EF_DG1, crypto checksum check failed.");
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DropField();
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return PM3_ESOFT;
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}
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if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen) == false) {
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if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen, use_14b) == false) {
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PrintAndLogEx(ERR, "Failed to read EF_DG1.");
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DropField();
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return PM3_ESOFT;
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@ -756,13 +791,13 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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saveFile("EF_DG1", ".BIN", response, resplen);
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// Select EF_DG2
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if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG2) == false) {
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if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG2, use_14b) == false) {
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PrintAndLogEx(ERR, "Failed to secure select EF_DG2, crypto checksum check failed.");
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DropField();
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return PM3_ESOFT;
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}
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if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen) == false) {
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if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen, use_14b) == false) {
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PrintAndLogEx(ERR, "Failed to read EF_DG2.");
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DropField();
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return PM3_ESOFT;
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@ -772,13 +807,13 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
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saveFile("EF_DG2", ".BIN", response, resplen);
|
||||
|
||||
// Select EF_SOD
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_SOD) == false) {
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_SOD, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to secure select EF_SOD, crypto checksum check failed.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
}
|
||||
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen) == false) {
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to read EF_SOD.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
|
|
@ -788,13 +823,13 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
|
|||
saveFile("EF_SOD", ".BIN", response, resplen);
|
||||
|
||||
// Select EF_DG11
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG11) == false) {
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG11, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to secure select EF_DG11, crypto checksum check failed.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
}
|
||||
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen) == false) {
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to read EF_DG11.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
|
|
@ -804,13 +839,13 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
|
|||
saveFile("EF_DG11", ".BIN", response, resplen);
|
||||
|
||||
// Select EF_DG12
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG12) == false) {
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG12, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to secure select EF_DG12, crypto checksum check failed.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
}
|
||||
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen) == false) {
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to read EF_DG12.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
|
|
@ -820,13 +855,13 @@ int dumpHF_EMRTD(char *documentnumber, char *dob, char *expiry) {
|
|||
saveFile("EF_DG12", ".BIN", response, resplen);
|
||||
|
||||
// Select EF_DG14
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG14) == false) {
|
||||
if (secure_select_file(ks_enc, ks_mac, ssc, EF_DG14, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to secure select EF_DG14, crypto checksum check failed.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
}
|
||||
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen) == false) {
|
||||
if (secure_read_file(ks_enc, ks_mac, ssc, response, &resplen, use_14b) == false) {
|
||||
PrintAndLogEx(ERR, "Failed to read EF_DG14.");
|
||||
DropField();
|
||||
return PM3_ESOFT;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue