#include "cmdhfmfu.h"
#include "cmdhfmf.h"
#include "cmdhf14a.h"
+#include "mifare.h"
#define MAX_ULTRA_BLOCKS 0x0f
#define MAX_ULTRAC_BLOCKS 0x2f
uint8_t datatemp[7] = {0x00};
uint8_t isOK = 0;
- uint8_t *data = NULL;
+ uint8_t data[16] = {0x00};
UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
SendCommand(&c);
if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
isOK = resp.arg[0] & 0xff;
- data = resp.d.asBytes;
+ memcpy(data, resp.d.asBytes, sizeof(data));
if (!isOK) {
PrintAndLog("Error reading from tag");
PrintAndLog("Command execute timed out");
return -1;
}
-
- PrintAndLog("");
- PrintAndLog("-- Mifare Ultralight / Ultralight-C Tag Information ---------");
- PrintAndLog("-------------------------------------------------------------");
+ PrintAndLog("\n-- Tag Information ---------");
+ PrintAndLog("-------------------------------------------------------------");
+
+ UsbCommand cmd = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC , 1, 0}};
+ cmd.d.asBytes[0] = 0x60;
+ SendCommand(&cmd);
+ WaitForResponse(CMD_ACK, &resp);
+
+ if ( resp.arg[0] ) {
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+
+ uint8_t version[8] = {0,0,0,0,0,0,0,0};
+ memcpy(&version, resp.d.asBytes, 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;
+ }
+ }
+ }
+ // TODO:
+ // Answers to 0x1A == UL-C
+ // NONCE seems to be fixed for my Magic UL-C. How to detect a Magic UL?
+ // maybe read Block0, change 1 byte, write back, and see if it failes or not. If magic, revert changes made?
+
// UID
memcpy( datatemp, data, 3);
memcpy( datatemp+3, data+4, 4);
PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
PrintAndLog(" OneTimePad : %s ", sprint_hex(data + 3*4, 4));
PrintAndLog("");
-
- int len = CmdHF14AMfucAuth("K 0");
-// PrintAndLog("CODE: %d",len);
-// Fix reading UL-C 's password higher blocks.
-
- PrintAndLog("Seems to be a Ultralight %s", (len==0) ? "-C" :"");
-
-
return 0;
}
//
int CmdHF14AMfucSetUid(const char *Cmd){
+ UsbCommand c;
+ UsbCommand resp;
uint8_t uid[7] = {0x00};
char cmdp = param_getchar(Cmd, 0);
if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') {
PrintAndLog("Usage: hf mfu setuid <uid (14 hex symbols)>");
PrintAndLog(" [uid] - (14 hex symbols)");
+ PrintAndLog("\nThis only works for Magic Ultralight tags.");
PrintAndLog("");
PrintAndLog("sample: hf mfu setuid 11223344556677");
PrintAndLog("");
}
if (param_gethex(Cmd, 0, uid, 14)) {
- PrintAndLog("Password must include 14 HEX symbols");
+ PrintAndLog("UID must include 14 HEX symbols");
return 1;
}
- UsbCommand c = {CMD_MIFAREU_SETUID};
- memcpy( c.d.asBytes, uid, 14);
+ // read block2.
+ c.cmd = CMD_MIFAREU_READBL;
+ c.arg[0] = 2;
SendCommand(&c);
-
- UsbCommand resp;
- if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
- if ( (resp.arg[0] & 0xff) == 1)
- PrintAndLog("New UID: %s", sprint_hex(uid,14));
- else{
- PrintAndLog("Failed writing new uid");
- return 1;
- }
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ PrintAndLog("Command execute timeout");
+ return 2;
}
- else {
- PrintAndLog("command execution time out");
- return 1;
+
+ // save old block2.
+ uint8_t oldblock2[4] = {0x00};
+ memcpy(resp.d.asBytes, oldblock2, 4);
+
+ // block 0.
+ c.cmd = CMD_MIFAREU_WRITEBL;
+ c.arg[0] = 0;
+ c.d.asBytes[0] = uid[0];
+ c.d.asBytes[1] = uid[1];
+ c.d.asBytes[2] = uid[2];
+ c.d.asBytes[3] = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ PrintAndLog("Command execute timeout");
+ return 3;
}
+
+ // block 1.
+ c.arg[0] = 1;
+ c.d.asBytes[0] = uid[3];
+ c.d.asBytes[1] = uid[4];
+ c.d.asBytes[2] = uid[5];
+ c.d.asBytes[3] = uid[6];
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
+ PrintAndLog("Command execute timeout");
+ return 4;
+ }
+
+ // block 2.
+ c.arg[0] = 2;
+ c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
+ c.d.asBytes[1] = oldblock2[1];
+ c.d.asBytes[2] = oldblock2[2];
+ c.d.asBytes[3] = oldblock2[3];
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
+ PrintAndLog("Command execute timeout");
+ return 5;
+ }
+
return 0;
}
uint8_t iv[8] = { 0x00 };
uint8_t block = 0x07;
+ // UL-EV1
+ //04 57 b6 e2 05 3f 80 UID
+ //4a f8 4b 19 PWD
uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
- uint8_t mifarekey[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
+ uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
+ uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
+ uint8_t dkeyA[8] = { 0x00 };
+ uint8_t dkeyB[8] = { 0x00 };
+
uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
uint8_t mix[8] = { 0x00 };
uint8_t divkey[8] = { 0x00 };
- memcpy(mix, mifarekey, 4);
+ memcpy(mix, mifarekeyA, 4);
- mix[4] = mifarekey[4] ^ uid[0];
- mix[5] = mifarekey[5] ^ uid[1];
+ mix[4] = mifarekeyA[4] ^ uid[0];
+ mix[5] = mifarekeyA[5] ^ uid[1];
mix[6] = block ^ uid[2];
mix[7] = uid[3];
des3_context ctx = { 0x00 };
des3_set2key_enc(&ctx, masterkey);
- des3_crypt_cbc(&ctx // des3_context *ctx
- , DES_ENCRYPT // int mode
- , sizeof(mix) // size_t length
- , iv // unsigned char iv[8]
- , mix // const unsigned char *input
- , divkey // unsigned char *output
+ des3_crypt_cbc(&ctx // des3_context
+ , DES_ENCRYPT // int mode
+ , sizeof(mix) // length
+ , iv // iv[8]
+ , mix // input
+ , divkey // output
);
PrintAndLog("3DES version");
PrintAndLog("Masterkey :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
PrintAndLog("UID :\t %s", sprint_hex(uid, sizeof(uid)));
PrintAndLog("Sector :\t %0d", block);
- PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekey, sizeof(mifarekey)));
+ PrintAndLog("Mifare key :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
PrintAndLog("Message :\t %s", sprint_hex(mix, sizeof(mix)));
PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
+ PrintAndLog("\n DES version");
+
+ for (int i=0; i < sizeof(mifarekeyA); ++i){
+ dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
+ dkeyA[6] |= ((mifarekeyA[i] >> 7) & 1) << (i+1);
+ }
+
+ for (int i=0; i < sizeof(mifarekeyB); ++i){
+ dkeyB[1] |= ((mifarekeyB[i] >> 7) & 1) << (i+1);
+ dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
+ }
+
+ uint8_t zeros[8] = {0x00};
+ uint8_t newpwd[8] = {0x00};
+ uint8_t dmkey[24] = {0x00};
+ memcpy(dmkey, dkeyA, 8);
+ memcpy(dmkey+8, dkeyB, 8);
+ memcpy(dmkey+16, dkeyA, 8);
+ memset(iv, 0x00, 8);
+
+ des3_set3key_enc(&ctx, dmkey);
+
+ des3_crypt_cbc(&ctx // des3_context
+ , DES_ENCRYPT // int mode
+ , sizeof(newpwd) // length
+ , iv // iv[8]
+ , zeros // input
+ , newpwd // output
+ );
+
+ PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
+ PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
+ PrintAndLog("Mifare ABA :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
+ PrintAndLog("Mifare Pwd :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
+
return 0;
}
-// uint8_t * diversify_key(uint8_t * key){
+// static uint8_t * diversify_key(uint8_t * key){
+
// for(int i=0; i<16; i++){
// if(i<=6) key[i]^=cuid[i];
// if(i>6) key[i]^=cuid[i%7];