mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-14 18:48:13 -07:00
CHG: the "HF MFU" authentication changes.
CHG: name change from "hf 14a snoop" -> "hf 14a sniff"..
This commit is contained in:
iceman1001
parent
9926d131c4
commit
4d2e4eea58
5 changed files with 172 additions and 203 deletions
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@ -16,8 +16,7 @@
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#include "mifarecmd.h"
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#include "apps.h"
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#include "util.h"
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//#include "../client/loclass/des.h"
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#include "des.h"
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#include "crc.h"
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//-----------------------------------------------------------------------------
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@ -88,54 +87,32 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
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}
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void MifareUC_Auth1(uint8_t arg0, uint8_t *datain){
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void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){
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byte_t dataoutbuf[16] = {0x00};
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uint8_t uid[10] = {0x00};
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uint32_t cuid = 0x00;
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bool turnOffField = (arg0 == 1);
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LED_A_ON(); LED_B_OFF(); LED_C_OFF();
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clear_trace();
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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if(!iso14443a_select_card(uid, NULL, &cuid)) {
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if(!iso14443a_select_card(NULL, NULL, NULL)) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card");
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OnError(0);
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return;
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};
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if(mifare_ultra_auth1(dataoutbuf)){
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part1: Fail.");
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if(mifare_ultra_auth(keybytes) == 1){
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed");
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OnError(1);
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return;
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}
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cmd_send(CMD_ACK,1,0,0,0,0);
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if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED");
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cmd_send(CMD_ACK,1,cuid,0,dataoutbuf,11);
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LEDsoff();
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}
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void MifareUC_Auth2(uint32_t arg0, uint8_t *datain){
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uint8_t key[16] = {0x00};
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byte_t dataoutbuf[16] = {0x00};
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memcpy(key, datain, 16);
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LED_A_ON(); LED_B_OFF(); LED_C_OFF();
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if(mifare_ultra_auth2(key, dataoutbuf)){
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication part2: Fail...");
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OnError(1);
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return;
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}
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if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 2 FINISHED");
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cmd_send(CMD_ACK,1,0,0,dataoutbuf,11);
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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if (turnOffField) {
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LEDsoff();
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}
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}
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// Arg0 = BlockNo,
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@ -145,107 +122,41 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
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{
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uint8_t blockNo = arg0;
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byte_t dataout[16] = {0x00};
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uint8_t uid[10] = {0x00};
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bool usePwd = (arg1 == 1);
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bool useKey = (arg1 == 1); //UL_C
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bool usePwd = (arg1 == 2); //UL_EV1/NTAG
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LEDsoff();
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LED_A_ON();
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clear_trace();
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iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
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int len = iso14443a_select_card(uid, NULL, NULL);
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int len = iso14443a_select_card(NULL, NULL, NULL);
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if(!len) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len);
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OnError(1);
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return;
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}
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// authenticate here.
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if ( usePwd ) {
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// UL-C authentication
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if ( useKey ) {
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uint8_t key[16] = {0x00};
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memcpy(key, datain, 16);
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uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };
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uint8_t random_b[8] = {0x00};
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uint8_t enc_random_b[8] = {0x00};
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uint8_t rnd_ab[16] = {0x00};
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uint8_t IV[8] = {0x00};
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uint16_t len;
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uint8_t receivedAnswer[MAX_FRAME_SIZE];
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uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
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len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);
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if (len != 11) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
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memcpy(key, datain, sizeof(key) );
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if ( mifare_ultra_auth(key) == 1 ) {
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OnError(1);
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return;
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return;
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}
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}
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// tag nonce.
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memcpy(enc_random_b,receivedAnswer+1,8);
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// UL-EV1 / NTAG authentication
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if (usePwd) {
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uint8_t pwd[4] = {0x00};
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memcpy(pwd, datain, 4);
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uint8_t pack[4] = {0,0,0,0};
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// decrypt nonce.
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tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );
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rol(random_b,8);
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memcpy(rnd_ab ,random_a,8);
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memcpy(rnd_ab+8,random_b,8);
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if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
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Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",
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enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],
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enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]);
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Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",
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random_b[0],random_b[1],random_b[2],random_b[3],
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random_b[4],random_b[5],random_b[6],random_b[7]);
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Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",
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rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],
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rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);
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Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",
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rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],
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rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );
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}
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// encrypt out, in, length, key, iv
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tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
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len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);
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if (len != 11) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
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if (mifare_ul_ev1_auth(pwd, pack) == 1){
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OnError(1);
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return;
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}
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uint8_t enc_resp[8] = { 0 };
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uint8_t resp_random_a[8] = { 0 };
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memcpy(enc_resp, receivedAnswer+1, 8);
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// decrypt out, in, length, key, iv
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tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);
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if ( memcmp(resp_random_a, random_a, 8) != 0 )
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Dbprintf("failed authentication");
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if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
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Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
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rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],
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rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);
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Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
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rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],
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rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);
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Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",
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random_a[0],random_a[1],random_a[2],random_a[3],
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random_a[4],random_a[5],random_a[6],random_a[7]);
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Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",
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resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],
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resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);
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return;
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}
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}
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@ -300,7 +211,6 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
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isOK = 0;
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if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
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}
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if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) {
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isOK = 0;
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@ -342,9 +252,10 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
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// params
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uint8_t blockNo = arg0;
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uint16_t blocks = arg1;
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bool useKey = (arg2 == 1);
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int countpages = 0;
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uint8_t dataout[176] = {0x00};;
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bool useKey = (arg2 == 1); //UL_C
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bool usePwd = (arg2 == 2); //UL_EV1/NTAG
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int countblocks = 0;
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uint8_t dataout[176] = {0x00};
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LEDsoff();
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LED_A_ON();
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@ -358,59 +269,30 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
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return;
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}
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// authenticate
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// UL-C authentication
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if ( useKey ) {
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uint8_t key[16] = {0x00};
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memcpy(key, datain, 16);
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uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };
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uint8_t random_b[8] = {0x00};
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uint8_t enc_random_b[8] = {0x00};
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uint8_t rnd_ab[16] = {0x00};
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uint8_t IV[8] = {0x00};
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uint16_t len;
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uint8_t receivedAnswer[MAX_FRAME_SIZE];
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uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
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len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);
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if (len != 11) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
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memcpy(key, datain, sizeof(key) );
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if ( mifare_ultra_auth(key) == 1 ) {
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OnError(1);
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return;
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return;
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}
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// tag nonce.
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memcpy(enc_random_b,receivedAnswer+1,8);
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}
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// decrypt nonce.
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tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );
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rol(random_b,8);
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memcpy(rnd_ab ,random_a,8);
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memcpy(rnd_ab+8,random_b,8);
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// encrypt out, in, length, key, iv
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tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
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// UL-EV1 / NTAG authentication
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if (usePwd) {
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uint8_t pwd[4] = {0x00};
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memcpy(pwd, datain, sizeof(pwd));
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uint8_t pack[4] = {0,0,0,0};
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len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);
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if (len != 11) {
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if (mifare_ul_ev1_auth(pwd, pack) == 1){
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OnError(1);
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return;
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return;
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}
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uint8_t enc_resp[8] = { 0 };
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uint8_t resp_random_a[8] = { 0 };
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memcpy(enc_resp, receivedAnswer+1, 8);
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// decrypt out, in, length, key, iv
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tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);
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if ( memcmp(resp_random_a, random_a, 8) != 0 )
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Dbprintf("failed authentication");
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}
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for (int i = 0; i < blocks; i++){
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len = mifare_ultra_readblock(blockNo * 4 + i, dataout + 4 * i);
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if (len) {
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@ -418,17 +300,18 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
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OnError(2);
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return;
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} else {
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countpages++;
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countblocks++;
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}
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}
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if (mifare_ultra_halt()) {
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len = mifare_ultra_halt();
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if (len) {
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if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
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OnError(3);
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return;
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}
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if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("blocks read %d", countpages);
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if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks);
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len = blocks*4;
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@ -509,6 +392,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
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LEDsoff();
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}
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void MifareUWriteBlock(uint8_t arg0, uint8_t *datain)
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{
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uint8_t blockNo = arg0;
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