#include <string.h>
#include <unistd.h>
#include "util.h"
-#include "../common/iso14443crc.h"
+#include "iso14443crc.h"
#include "data.h"
#include "proxmark3.h"
#include "ui.h"
#include "cmdparser.h"
#include "cmdhf14a.h"
-#include "../include/common.h"
+#include "common.h"
#include "cmdmain.h"
-#include "../include/mifare.h"
+#include "mifare.h"
+#include "cmdhfmfu.h"
+#include "nonce2key/crapto1.h"
+
+#define llx PRIx64
static int CmdHelp(const char *Cmd);
static void waitCmd(uint8_t iLen);
-int CmdHF14AList(const char *Cmd)
-{
- bool ShowWaitCycles = false;
- char param = param_getchar(Cmd, 0);
-
- if (param == 'h' || (param != 0 && param != 'f')) {
- PrintAndLog("List data in trace buffer.");
- PrintAndLog("Usage: hf 14a list [f]");
- PrintAndLog("f - show frame delay times as well");
- PrintAndLog("sample: hf 14a list f");
- return 0;
- }
-
- ShowWaitCycles = (param == 'f');
-
-// for the time being. Need better Bigbuf handling.
-#define TRACE_SIZE 3000
-
- uint8_t trace[TRACE_SIZE];
- GetFromBigBuf(trace, TRACE_SIZE, 0);
- WaitForResponse(CMD_ACK,NULL);
-
- PrintAndLog("Recorded Activity");
- PrintAndLog("");
- PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
- PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
- PrintAndLog("");
- PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC ");
- PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------------");
-
- uint16_t tracepos = 0;
- uint16_t duration;
- uint16_t data_len;
- uint16_t parity_len;
- bool isResponse;
- uint32_t timestamp;
- uint32_t first_timestamp;
- uint32_t EndOfTransmissionTimestamp;
-
- for (;;) {
-
- if(tracepos >= TRACE_SIZE) break;
-
- timestamp = *((uint32_t *)(trace + tracepos));
-
- // Break and stick with current result if buffer was not completely full
- if (timestamp == 0x44444444) break;
-
- if(tracepos == 0) {
- first_timestamp = timestamp;
- }
-
- tracepos += 4;
- duration = *((uint16_t *)(trace + tracepos));
- tracepos += 2;
- data_len = *((uint16_t *)(trace + tracepos));
- tracepos += 2;
-
- isResponse = false;
- if (data_len & 0x8000) {
- data_len &= 0x7fff;
- isResponse = true;
- }
-
- parity_len = (data_len-1)/8 + 1;
-
- if (tracepos + data_len + parity_len >= TRACE_SIZE) break;
+// structure and database for uid -> tagtype lookups
+typedef struct {
+ uint8_t uid;
+ char* desc;
+} manufactureName;
+
+const manufactureName manufactureMapping[] = {
+ // ID, "Vendor Country"
+ { 0x01, "Motorola UK" },
+ { 0x02, "ST Microelectronics SA France" },
+ { 0x03, "Hitachi, Ltd Japan" },
+ { 0x04, "NXP Semiconductors Germany" },
+ { 0x05, "Infineon Technologies AG Germany" },
+ { 0x06, "Cylink USA" },
+ { 0x07, "Texas Instrument France" },
+ { 0x08, "Fujitsu Limited Japan" },
+ { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
+ { 0x0A, "NEC Japan" },
+ { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
+ { 0x0C, "Toshiba Corp. Japan" },
+ { 0x0D, "Mitsubishi Electric Corp. Japan" },
+ { 0x0E, "Samsung Electronics Co. Ltd Korea" },
+ { 0x0F, "Hynix / Hyundai, Korea" },
+ { 0x10, "LG-Semiconductors Co. Ltd Korea" },
+ { 0x11, "Emosyn-EM Microelectronics USA" },
+ { 0x12, "INSIDE Technology France" },
+ { 0x13, "ORGA Kartensysteme GmbH Germany" },
+ { 0x14, "SHARP Corporation Japan" },
+ { 0x15, "ATMEL France" },
+ { 0x16, "EM Microelectronic-Marin SA Switzerland" },
+ { 0x17, "KSW Microtec GmbH Germany" },
+ { 0x18, "ZMD AG Germany" },
+ { 0x19, "XICOR, Inc. USA" },
+ { 0x1A, "Sony Corporation Japan Identifier Company Country" },
+ { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
+ { 0x1C, "Emosyn USA" },
+ { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
+ { 0x1E, "Magellan Technology Pty Limited Australia" },
+ { 0x1F, "Melexis NV BO Switzerland" },
+ { 0x20, "Renesas Technology Corp. Japan" },
+ { 0x21, "TAGSYS France" },
+ { 0x22, "Transcore USA" },
+ { 0x23, "Shanghai belling corp., ltd. China" },
+ { 0x24, "Masktech Germany Gmbh Germany" },
+ { 0x25, "Innovision Research and Technology Plc UK" },
+ { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
+ { 0x27, "Cypak AB Sweden" },
+ { 0x28, "Ricoh Japan" },
+ { 0x29, "ASK France" },
+ { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
+ { 0x2B, "Dallas Semiconductor/Maxim USA" },
+ { 0x2C, "Impinj, Inc. USA" },
+ { 0x2D, "RightPlug Alliance USA" },
+ { 0x2E, "Broadcom Corporation USA" },
+ { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
+ { 0x30, "BeeDar Technology Inc. USA" },
+ { 0x31, "RFIDsec Denmark" },
+ { 0x32, "Schweizer Electronic AG Germany" },
+ { 0x33, "AMIC Technology Corp Taiwan" },
+ { 0x34, "Mikron JSC Russia" },
+ { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
+ { 0x36, "IDS Microchip AG Switzerland" },
+ { 0x37, "Kovio USA" },
+ { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
+ { 0x39, "Silicon Craft Technology Thailand" },
+ { 0x3A, "Advanced Film Device Inc. Japan" },
+ { 0x3B, "Nitecrest Ltd UK" },
+ { 0x3C, "Verayo Inc. USA" },
+ { 0x3D, "HID Global USA" },
+ { 0x3E, "Productivity Engineering Gmbh Germany" },
+ { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
+ { 0x40, "Gemalto SA France" },
+ { 0x41, "Renesas Electronics Corporation Japan" },
+ { 0x42, "3Alogics Inc Korea" },
+ { 0x43, "Top TroniQ Asia Limited Hong Kong" },
+ { 0x44, "Gentag Inc (USA) USA" },
+ { 0x00, "no tag-info available" } // must be the last entry
+};
- uint8_t *frame = trace + tracepos;
- tracepos += data_len;
- uint8_t *parityBytes = trace + tracepos;
- tracepos += parity_len;
-
- char line[16][110];
- for (int j = 0; j < data_len; j++) {
- int oddparity = 0x01;
- int k;
- for (k=0;k<8;k++) {
- oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
- }
+// get a product description based on the UID
+// uid[8] tag uid
+// returns description of the best match
+char* getTagInfo(uint8_t uid) {
- uint8_t parityBits = parityBytes[j>>3];
- if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
- sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
- } else {
- sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]);
- }
- }
-
- char crc[5] = {0x00};
- if (data_len > 2) {
- uint8_t b1, b2;
- ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
- if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
- sprintf(crc, (isResponse & (data_len < 6)) ? "" : "!crc");
- }
- }
-
- EndOfTransmissionTimestamp = timestamp + duration;
- int num_lines = (data_len - 1)/16 + 1;
-
- for (int j = 0; j < num_lines; j++) {
- if (j == 0) {
- PrintAndLog(" %9d | %9d | %s | %-64s| %s",
- (timestamp - first_timestamp),
- (EndOfTransmissionTimestamp - first_timestamp),
- (isResponse ? "Tag" : "Rdr"),
- line[j],
- (j == num_lines-1)?crc:""
- );
- } else {
- PrintAndLog(" | | | %-64s| %s",
- line[j],
- (j == num_lines-1)?crc:"");
- }
- }
+ int i;
+ int len = sizeof(manufactureMapping) / sizeof(manufactureName);
- bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
-
- if (ShowWaitCycles && !isResponse && next_isResponse) {
- uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
- if (next_timestamp != 0x44444444) {
- PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
- (EndOfTransmissionTimestamp - first_timestamp),
- (next_timestamp - first_timestamp),
- " ",
- (next_timestamp - EndOfTransmissionTimestamp));
- }
- }
- }
- return 0;
+ for ( i = 0; i < len; ++i )
+ if ( uid == manufactureMapping[i].uid)
+ return manufactureMapping[i].desc;
+
+ //No match, return default
+ return manufactureMapping[len-1].desc;
}
-void iso14a_set_timeout(uint32_t timeout) {
- UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
- SendCommand(&c);
+int CmdHF14AList(const char *Cmd)
+{
+ PrintAndLog("Deprecated command, use 'hf list 14a' instead");
+ return 0;
}
int CmdHF14AReader(const char *Cmd)
iso14a_card_select_t card;
memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
- uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
+ uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
if(select_status == 0) {
- PrintAndLog("iso14443a card select failed");
+ if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
+ // disconnect
+ c.arg[0] = 0;
+ c.arg[1] = 0;
+ c.arg[2] = 0;
+ SendCommand(&c);
+ return 0;
+ }
+
+ if(select_status == 3) {
+ PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
+ PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
+ // disconnect
+ c.arg[0] = 0;
+ c.arg[1] = 0;
+ c.arg[2] = 0;
+ SendCommand(&c);
return 0;
}
- PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
+ PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
switch (card.sak) {
- case 0x00: PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C"); break;
+ case 0x00:
+
+ //***************************************test****************
+ ul_switch_off_field();
+
+ uint16_t tagT = GetHF14AMfU_Type();
+ ul_print_type(tagT, 0);
+
+ //reconnect for further tests
+ c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
+ c.arg[1] = 0;
+ c.arg[2] = 0;
+
+ SendCommand(&c);
+
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK,&resp);
+
+ memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
+
+ select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
+
+ if(select_status == 0) {
+ ul_switch_off_field();
+ return 0;
+ }
+
+ /* orig
+ // check if the tag answers to GETVERSION (0x60)
+ c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
+ c.arg[1] = 1;
+ c.arg[2] = 0;
+ c.d.asBytes[0] = 0x60;
+ SendCommand(&c);
+ WaitForResponse(CMD_ACK,&resp);
+
+ uint8_t version[10] = {0};
+ memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
+ uint8_t len = resp.arg[0] & 0xff;
+ switch ( len){
+ // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
+ // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
+ case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128); break;
+ case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
+ case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
+ }
+ */
+ break;
case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
default: ;
}
+ // Double & triple sized UID, can be mapped to a manufacturer.
+ if ( card.uidlen > 4 ) {
+ PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
+ }
// try to request ATS even if tag claims not to support it
if (select_status == 2) {
SendCommand(&c);
WaitForResponse(CMD_ACK,&resp);
- memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
+ memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
}
- // disconnect
- c.arg[0] = 0;
- c.arg[1] = 0;
- c.arg[2] = 0;
- SendCommand(&c);
-
-
if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
bool ta1 = 0, tb1 = 0, tc1 = 0;
int pos;
PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
}
+
+ // try to see if card responses to "chinese magic backdoor" commands.
+ c.cmd = CMD_MIFARE_CIDENT;
+ c.arg[0] = 0;
+ c.arg[1] = 0;
+ c.arg[2] = 0;
+ SendCommand(&c);
+ WaitForResponse(CMD_ACK,&resp);
+ uint8_t isOK = resp.arg[0] & 0xff;
+ PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
+
+ // disconnect
+ c.cmd = CMD_READER_ISO_14443a;
+ c.arg[0] = 0;
+ c.arg[1] = 0;
+ c.arg[2] = 0;
+ SendCommand(&c);
+
return select_status;
}
return 1;
}
+
+static int usage_hf_14a_sim(void)
+{
+ PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID\n");
+ PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
+ PrintAndLog(" Options : ");
+ PrintAndLog(" h : this help");
+ PrintAndLog(" t : 1 = MIFARE Classic");
+ PrintAndLog(" 2 = MIFARE Ultralight");
+ PrintAndLog(" 3 = MIFARE Desfire");
+ PrintAndLog(" 4 = ISO/IEC 14443-4");
+ PrintAndLog(" 5 = MIFARE Tnp3xxx");
+ PrintAndLog(" 6 = MIFARE Mini");
+ PrintAndLog(" u : 4 or 7 byte UID");
+ PrintAndLog(" x : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
+ PrintAndLog("\n sample : hf 14a sim t 1 u 1122344");
+ PrintAndLog(" : hf 14a sim t 1 u 1122344 x\n");
+ return 0;
+}
+
// ## simulate iso14443a tag
// ## greg - added ability to specify tag UID
int CmdHF14ASim(const char *Cmd)
{
- UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{0,0,0}};
-
- // Retrieve the tag type
- uint8_t tagtype = param_get8ex(Cmd,0,0,10);
+ bool errors = FALSE;
+ uint8_t flags = 0;
+ uint8_t tagtype = 1;
+ uint64_t uid = 0;
+ uint8_t cmdp = 0;
- // When no argument was given, just print help message
- if (tagtype == 0) {
- PrintAndLog("");
- PrintAndLog(" Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID");
- PrintAndLog("");
- PrintAndLog(" syntax: hf 14a sim <type> <uid>");
- PrintAndLog(" types: 1 = MIFARE Classic");
- PrintAndLog(" 2 = MIFARE Ultralight");
- PrintAndLog(" 3 = MIFARE DESFIRE");
- PrintAndLog(" 4 = ISO/IEC 14443-4");
- PrintAndLog(" 5 = MIFARE TNP3XXX");
- PrintAndLog("");
- return 1;
+ while(param_getchar(Cmd, cmdp) != 0x00)
+ {
+ switch(param_getchar(Cmd, cmdp))
+ {
+ case 'h':
+ case 'H':
+ return usage_hf_14a_sim();
+ case 't':
+ case 'T':
+ // Retrieve the tag type
+ tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
+ if (tagtype == 0)
+ errors = true;
+ cmdp += 2;
+ break;
+ case 'u':
+ case 'U':
+ // Retrieve the full 4 or 7 byte long uid
+ uid = param_get64ex(Cmd, cmdp+1, 0, 16);
+ if (uid == 0 )
+ errors = TRUE;
+
+ if (uid > 0xffffffff) {
+ PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",uid);
+ flags |= FLAG_7B_UID_IN_DATA;
+ } else {
+ PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",uid);
+ flags |= FLAG_4B_UID_IN_DATA;
+ }
+ cmdp += 2;
+ break;
+ case 'x':
+ case 'X':
+ flags |= FLAG_NR_AR_ATTACK;
+ cmdp++;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ if(errors) break;
}
+
+ //Validations
+ if (errors) return usage_hf_14a_sim();
+
+ PrintAndLog("Press pm3-button to abort simulation");
- // Store the tag type
- c.arg[0] = tagtype;
-
- // Retrieve the full 4 or 7 byte long uid
- uint64_t long_uid = param_get64ex(Cmd,1,0,16);
-
- // Are we handling the (optional) second part uid?
- if (long_uid > 0xffffffff) {
- PrintAndLog("Emulating ISO/IEC 14443 type A tag with 7 byte UID (%014"llx")",long_uid);
- // Store the second part
- c.arg[2] = (long_uid & 0xffffffff);
- long_uid >>= 32;
- // Store the first part, ignore the first byte, it is replaced by cascade byte (0x88)
- c.arg[1] = (long_uid & 0xffffff);
- } else {
- PrintAndLog("Emulating ISO/IEC 14443 type A tag with 4 byte UID (%08x)",long_uid);
- // Only store the first part
- c.arg[1] = long_uid & 0xffffffff;
+ UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
+ num_to_bytes(uid, 7, c.d.asBytes);
+ SendCommand(&c);
+
+ while(!ukbhit()){
+ UsbCommand resp;
+ WaitForResponseTimeout(CMD_ACK,&resp,1500);
+ PrintAndLog("Got %04X %02X", resp.arg[0], resp.arg[0]);
+ if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
+ uint8_t data[40];
+ uint8_t key[6];
+ int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
+ memcpy(data, resp.d.asBytes, len);
+ tryMfk32(uid, data, key);
+ //tryMfk64(uid, data, key);
+ PrintAndLog("--");
+ memset(data,0x00, 40);
+ }
}
-/*
- // At lease save the mandatory first part of the UID
- c.arg[0] = long_uid & 0xffffffff;
+ return 0;
+}
- if (c.arg[1] == 0) {
- PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
+int tryMfk32(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
+
+ struct Crypto1State *s,*t;
+ uint64_t key; // recovered key
+ uint32_t uid; // serial number
+ uint32_t nt; // tag challenge
+ uint32_t nr0_enc; // first encrypted reader challenge
+ uint32_t ar0_enc; // first encrypted reader response
+ uint32_t nr1_enc; // second encrypted reader challenge
+ uint32_t ar1_enc; // second encrypted reader response
+ bool isSuccess = FALSE;
+ int counter = 0;
+
+ uid = myuid;//(uint32_t)bytes_to_num(data + 0, 4);
+ nt = *(uint32_t*)(data+8);
+ nr0_enc = *(uint32_t*)(data+12);
+ ar0_enc = *(uint32_t*)(data+16);
+ nr1_enc = *(uint32_t*)(data+32);
+ ar1_enc = *(uint32_t*)(data+36);
+
+ // PrintAndLog("Recovering key for:");
+ // PrintAndLog(" uid: %08x",uid);
+ // PrintAndLog(" nt: %08x",nt);
+ // PrintAndLog(" {nr_0}: %08x",nr0_enc);
+ // PrintAndLog(" {ar_0}: %08x",ar0_enc);
+ // PrintAndLog(" {nr_1}: %08x",nr1_enc);
+ // PrintAndLog(" {ar_1}: %08x",ar1_enc);
+
+ s = lfsr_recovery32(ar0_enc ^ prng_successor(nt, 64), 0);
+
+ for(t = s; t->odd | t->even; ++t) {
+ lfsr_rollback_word(t, 0, 0);
+ lfsr_rollback_word(t, nr0_enc, 1);
+ lfsr_rollback_word(t, uid ^ nt, 0);
+ crypto1_get_lfsr(t, &key);
+ crypto1_word(t, uid ^ nt, 0);
+ crypto1_word(t, nr1_enc, 1);
+ if (ar1_enc == (crypto1_word(t, 0, 0) ^ prng_successor(nt, 64))) {
+ PrintAndLog("Found Key: [%012"llx"]",key);
+ isSuccess = TRUE;
+ ++counter;
+ if (counter==10)
+ break;
+ }
}
+ free(s);
+ return isSuccess;
+}
+
+int tryMfk64(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
+
+ struct Crypto1State *revstate;
+ uint64_t key; // recovered key
+ uint32_t uid; // serial number
+ uint32_t nt; // tag challenge
+ uint32_t nr_enc; // encrypted reader challenge
+ uint32_t ar_enc; // encrypted reader response
+ uint32_t at_enc; // encrypted tag response
+ uint32_t ks2; // keystream used to encrypt reader response
+ uint32_t ks3; // keystream used to encrypt tag response
+
+ struct Crypto1State mpcs = {0, 0};
+ struct Crypto1State *pcs;
+ pcs = &mpcs;
- switch (c.arg[0]) {
- case 1: {
- PrintAndLog("Emulating ISO/IEC 14443-3 type A tag with 4 byte UID");
- UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
- } break;
- case 2: {
- PrintAndLog("Emulating ISO/IEC 14443-4 type A tag with 7 byte UID");
- } break;
- default: {
- PrintAndLog("Error: unkown tag type (%d)",c.arg[0]);
- PrintAndLog("syntax: hf 14a sim <uid>",c.arg[0]);
- PrintAndLog(" type1: 4 ",c.arg[0]);
-
- return 1;
- } break;
- }
-*/
-/*
- unsigned int hi = 0, lo = 0;
- int n = 0, i = 0;
- while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
- hi= (hi << 4) | (lo >> 28);
- lo= (lo << 4) | (n & 0xf);
- }
-*/
-// UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16)};
-// PrintAndLog("Emulating ISO/IEC 14443 type A tag with UID %01d %08x %08x",c.arg[0],c.arg[1],c.arg[2]);
- SendCommand(&c);
- return 0;
+
+
+ uid = myuid;//(uint32_t)bytes_to_num(data + 0, 4);
+ nt = *(uint32_t*)(data+8);
+ nr_enc = *(uint32_t*)(data+12);
+ ar_enc = *(uint32_t*)(data+16);
+
+ crypto1_word(pcs, nr_enc , 1);
+ at_enc = prng_successor(nt, 96) ^ crypto1_word(pcs, 0, 0);
+
+ // printf("Recovering key for:\n");
+ // printf(" uid: %08x\n",uid);
+ // printf(" nt: %08x\n",nt);
+ // printf(" {nr}: %08x\n",nr_enc);
+ // printf(" {ar}: %08x\n",ar_enc);
+ // printf(" {at}: %08x\n",at_enc);
+
+ // Extract the keystream from the messages
+ ks2 = ar_enc ^ prng_successor(nt, 64);
+ ks3 = at_enc ^ prng_successor(nt, 96);
+
+ revstate = lfsr_recovery64(ks2, ks3);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, nr_enc, 1);
+ lfsr_rollback_word(revstate, uid ^ nt, 0);
+ crypto1_get_lfsr(revstate, &key);
+ PrintAndLog("Found Key: [%012"llx"]",key);
+ crypto1_destroy(revstate);
+ crypto1_destroy(pcs);
+ return 0;
}
-int CmdHF14ASnoop(const char *Cmd) {
+int CmdHF14ASniff(const char *Cmd) {
int param = 0;
- if (param_getchar(Cmd, 0) == 'h') {
+ uint8_t ctmp = param_getchar(Cmd, 0) ;
+ if (ctmp == 'h' || ctmp == 'H') {
PrintAndLog("It get data from the field and saves it into command buffer.");
- PrintAndLog("Buffer accessible from command hf 14a list.");
- PrintAndLog("Usage: hf 14a snoop [c][r]");
+ PrintAndLog("Buffer accessible from command 'hf list 14a'");
+ PrintAndLog("Usage: hf 14a sniff [c][r]");
PrintAndLog("c - triggered by first data from card");
PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
- PrintAndLog("sample: hf 14a snoop c r");
+ PrintAndLog("sample: hf 14a sniff c r");
return 0;
}
for (int i = 0; i < 2; i++) {
- char ctmp = param_getchar(Cmd, i);
+ ctmp = param_getchar(Cmd, i);
if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
}
return 0;
}
+
int CmdHF14ACmdRaw(const char *cmd) {
UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
- uint8_t reply=1;
- uint8_t crc=0;
- uint8_t power=0;
- uint8_t active=0;
- uint8_t active_select=0;
+ bool reply=1;
+ bool crc = FALSE;
+ bool power = FALSE;
+ bool active = FALSE;
+ bool active_select = FALSE;
uint16_t numbits=0;
- uint16_t timeout=0;
- uint8_t bTimeout=0;
+ bool bTimeout = FALSE;
+ uint32_t timeout=0;
+ bool topazmode = FALSE;
char buf[5]="";
int i=0;
uint8_t data[USB_CMD_DATA_SIZE];
- unsigned int datalen=0, temp;
+ uint16_t datalen=0;
+ uint32_t temp;
if (strlen(cmd)<2) {
- PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
+ PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-a] [-t] <milliseconds> [-b] <number of bits> <0A 0B 0C ... hex>");
PrintAndLog(" -r do not read response");
PrintAndLog(" -c calculate and append CRC");
PrintAndLog(" -p leave the signal field ON after receive");
PrintAndLog(" -a active signal field ON without select");
PrintAndLog(" -s active signal field ON with select");
PrintAndLog(" -b number of bits to send. Useful for send partial byte");
- PrintAndLog(" -t timeout");
+ PrintAndLog(" -t timeout in ms");
+ PrintAndLog(" -T use Topaz protocol to send command");
return 0;
}
+
// strip
while (*cmd==' ' || *cmd=='\t') cmd++;
if (cmd[i]=='-') {
switch (cmd[i+1]) {
case 'r':
- reply=0;
+ reply = FALSE;
break;
case 'c':
- crc=1;
+ crc = TRUE;
break;
case 'p':
- power=1;
+ power = TRUE;
break;
case 'a':
- active=1;
+ active = TRUE;
break;
case 's':
- active_select=1;
+ active_select = TRUE;
break;
case 'b':
sscanf(cmd+i+2,"%d",&temp);
i-=2;
break;
case 't':
- bTimeout=1;
+ bTimeout = TRUE;
sscanf(cmd+i+2,"%d",&temp);
- timeout = temp & 0xFFFF;
+ timeout = temp;
i+=3;
while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
- i+=2;
+ i-=2;
+ break;
+ case 'T':
+ topazmode = TRUE;
break;
default:
PrintAndLog("Invalid option");
sscanf(buf,"%x",&temp);
data[datalen]=(uint8_t)(temp & 0xff);
*buf=0;
- if (++datalen>sizeof(data)){
+ if (++datalen >= sizeof(data)){
if (crc)
PrintAndLog("Buffer is full, we can't add CRC to your data");
break;
PrintAndLog("Invalid char on input");
return 0;
}
+
if(crc && datalen>0 && datalen<sizeof(data)-2)
{
uint8_t first, second;
- ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+ if (topazmode) {
+ ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
+ } else {
+ ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+ }
data[datalen++] = first;
data[datalen++] = second;
}
if(active)
c.arg[0] |= ISO14A_NO_SELECT;
}
+
if(bTimeout){
- #define MAX_TIMEOUT 624*105 // max timeout is 624 ms
+ #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
c.arg[0] |= ISO14A_SET_TIMEOUT;
- c.arg[2] = timeout * 105; // each bit is about 9.4 us
- if(c.arg[2]>MAX_TIMEOUT) {
- c.arg[2] = MAX_TIMEOUT;
- PrintAndLog("Set timeout to 624 ms. The max we can wait for response");
+ if(timeout > MAX_TIMEOUT) {
+ timeout = MAX_TIMEOUT;
+ PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
}
+ c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
}
+
if(power)
c.arg[0] |= ISO14A_NO_DISCONNECT;
+
if(datalen>0)
c.arg[0] |= ISO14A_RAW;
+ if(topazmode)
+ c.arg[0] |= ISO14A_TOPAZMODE;
+
// Max buffer is USB_CMD_DATA_SIZE
c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
memcpy(c.d.asBytes,data,datalen);
return 0;
}
+
static void waitCmd(uint8_t iSelect)
{
uint8_t *recv;
UsbCommand resp;
char *hexout;
- if (WaitForResponseTimeout(CMD_ACK,&resp,10000)) {
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
recv = resp.d.asBytes;
uint8_t iLen = iSelect ? resp.arg[1] : resp.arg[0];
PrintAndLog("received %i octets",iLen);
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
- {"list", CmdHF14AList, 0, "List ISO 14443a history"},
+ {"list", CmdHF14AList, 0, "[Deprecated] List ISO 14443a history"},
{"reader", CmdHF14AReader, 0, "Act like an ISO14443 Type A reader"},
{"cuids", CmdHF14ACUIDs, 0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
- {"sim", CmdHF14ASim, 0, "<UID> -- Fake ISO 14443a tag"},
- {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"},
+ {"sim", CmdHF14ASim, 0, "<UID> -- Simulate ISO 14443a tag"},
+ {"sniff", CmdHF14ASniff, 0, "sniff ISO 14443 Type A traffic"},
{"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"},
{NULL, NULL, 0, NULL}
};
WaitForResponseTimeout(CMD_ACK,NULL,100);
// parse
- CmdsParse(CommandTable, Cmd);
- return 0;
+ CmdsParse(CommandTable, Cmd);
+ return 0;
}
int CmdHelp(const char *Cmd)
projects / proxmark3-svn / blobdiff