#include "cmdhf14a.h"
#include "mifare.h"
-#define MAX_ULTRA_BLOCKS 0x0f
-#define MAX_ULTRAC_BLOCKS 0x2f
-//#define MAX_ULTRAC_BLOCKS 0x2c
+#define MAX_UL_BLOCKS 0x0f
+#define MAX_ULC_BLOCKS 0x2f
+#define MAX_ULEV1a_BLOCKS 0x0b;
+#define MAX_ULEV1b_BLOCKS 0x20;
+uint8_t default_3des_keys[7][16] = {
+ { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
+ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
+ { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
+ { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
+ { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
+ { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
+ { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
+ };
+
static int CmdHelp(const char *Cmd);
+// return 1 if tag responded to 0x1A.
+uint8_t requestAuthentication( uint8_t* nonce){
+
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC ,2 ,0}};
+ c.d.asBytes[0] = 0x1A;
+ c.d.asBytes[1] = 0x00;
+ SendCommand(&c);
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK, &resp); // skip select answer.
+
+ if ( !(resp.arg[0] & 0xff) )
+ return 0;
+
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+
+ if ( resp.arg[0] & 0xff ) {
+ memcpy(nonce, resp.d.asBytes+1, 8);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+typedef enum TAGTYPE_UL {
+ UNKNOWN = 0x00,
+ UL = 0x01,
+ UL_C = 0x02,
+ UL_EV1_48 = 0x04,
+ UL_EV1_128 = 0x08,
+ UL_MAGIC = 0x10,
+ UL_C_MAGIC = 0x14,
+} TagTypeUL_t;
+
int CmdHF14AMfUInfo(const char *Cmd){
+ TagTypeUL_t tagtype = UNKNOWN;
+
uint8_t datatemp[7] = {0x00};
uint8_t isOK = 0;
uint8_t data[16] = {0x00};
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);
+ c.cmd = CMD_READER_ISO_14443a;
+ c.arg[0] = ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC;
+ c.arg[1] = 1;
+ c.arg[2] = 0;
+ c.d.asBytes[0] = 0x60;
+ SendCommand(&c);
WaitForResponse(CMD_ACK, &resp);
if ( resp.arg[0] ) {
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;
- }
+
+ if ( len == 0x0A && version[6] == 0x0B )
+ tagtype = UL_EV1_48;
+ else if ( len == 0x0A && version[6] != 0x0B )
+ tagtype = UL_EV1_128;
+ else if ( len == 0x01 )
+ tagtype = UL_C | UL_C_MAGIC;
+ else if ( len == 0x00 )
+ tagtype = UL | UL_MAGIC | UL_C_MAGIC;
}
}
- // 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?
+
+ // Magic UL-C, mine have a static nonce response to 0x1A command.
+ uint8_t nonce1[8] = {0,0,0,0,0,0,0,0};
+ uint8_t nonce2[8] = {0,0,0,0,0,0,0,0};
+ uint8_t status = requestAuthentication(nonce1);
+ if ( status ) {
+ requestAuthentication(nonce2);
+ if ( !memcmp(nonce1, nonce2, 8) )
+ tagtype = UL_C_MAGIC;
+ } else {
+
+ //remove UL_C_MAGIC
+ tagtype = tagtype & UL_C_MAGIC;
+
+ // Magic Ultralight test here
+ }
+
+ switch(tagtype){
+ case UNKNOWN : PrintAndLog(" TYPE : Unknown"); return 0;
+ case UL : PrintAndLog(" TYPE : MIFARE Ultralight");break;
+ case UL_C : PrintAndLog(" TYPE : MIFARE Ultralight C");break;
+ case UL_EV1_48 : PrintAndLog(" TYPE : MIFARE Ultralight EV1 48 bytes"); break;
+ case UL_EV1_128 : PrintAndLog(" TYPE : MIFARE Ultralight EV1 128 bytes"); break;
+ case UL_MAGIC : PrintAndLog(" TYPE : MIFARE Ultralight (MAGIC)");break;
+ case UL_C_MAGIC : PrintAndLog(" TYPE : MIFARE Ultralight-C (MAGIC)");break;
+ }
// UID
memcpy( datatemp, data, 3);
memcpy( datatemp+3, data+4, 4);
- PrintAndLog("MANUFACTURER : %s", getTagInfo(datatemp[0]));
- PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7));
+ PrintAndLog(" UID : %s ", sprint_hex(datatemp, 7));
+ PrintAndLog(" UID[0] (Manufacturer Byte) = %02x, Manufacturer: %s", datatemp[0], getTagInfo(datatemp[0]) );
+
// BBC
// CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
if ( data[3] == crc0 )
- PrintAndLog(" BCC0 : %02x - Ok", data[3]);
+ PrintAndLog(" BCC0 : %02x - Ok", data[3]);
else
- PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0);
+ PrintAndLog(" BCC0 : %02x - crc should be %02x", data[3], crc0);
int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
if ( data[8] == crc1 )
- PrintAndLog(" BCC1 : %02x - Ok", data[8]);
+ PrintAndLog(" BCC1 : %02x - Ok", data[8]);
else
- PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 );
+ PrintAndLog(" BCC1 : %02x - crc should be %02x", data[8], crc1 );
- PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1));
+ PrintAndLog(" Internal : %s ", sprint_hex(data + 9, 1));
memcpy(datatemp, data+10, 2);
- PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
- PrintAndLog(" OneTimePad : %s ", sprint_hex(data + 3*4, 4));
+ PrintAndLog(" Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
+ PrintAndLog("OneTimePad : %s ", sprint_hex(data + 3*4, 4));
PrintAndLog("");
+
+
+ PrintAndLog("--- ");
+ if ( (tagtype & UL_C) == UL_C || (tagtype & UL_C_MAGIC) == UL_C_MAGIC ){
+
+ PrintAndLog("Trying some default 3des keys");
+ uint8_t *key;
+
+ for (uint8_t i = 0; i < 5; ++i ){
+ key = default_3des_keys[i];
+ if (try3DesAuthentication(key)){
+ PrintAndLog("Found default 3des key: %s", sprint_hex(key,16));
+ return 0;
+ }
+ }
+ }
+ else if (
+ (tagtype & UL_EV1_48) == UL_EV1_48 ||
+ (tagtype & UL_EV1_128) == UL_EV1_128
+ ) {
+ PrintAndLog("Trying some known EV1 passwords.");
+ }
return 0;
}
blockNo = param_get8(Cmd, 0);
- if (blockNo > MAX_ULTRA_BLOCKS){
+ if (blockNo > MAX_UL_BLOCKS){
PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
return 1;
}
blockNo = param_get8(Cmd, 0);
- if (blockNo > MAX_ULTRA_BLOCKS){
+ if (blockNo > MAX_UL_BLOCKS){
PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
return 1;
}
//
int CmdHF14AMfucAuth(const char *Cmd){
- uint8_t default_keys[7][16] = {
- { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
- { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
- { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
- { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
- { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
- { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
- { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
- };
-
- char cmdp = param_getchar(Cmd, 0);
-
uint8_t keyNo = 0;
bool errors = false;
+
+ char cmdp = param_getchar(Cmd, 0);
+
//Change key to user defined one
if (cmdp == 'k' || cmdp == 'K'){
keyNo = param_get8(Cmd, 1);
- if(keyNo > 6) errors = true;
+ if(keyNo > 6)
+ errors = true;
}
- if (cmdp == 'h' || cmdp == 'H') {
+ if (cmdp == 'h' || cmdp == 'H')
errors = true;
- }
-
+
if (errors) {
PrintAndLog("Usage: hf mfu cauth k <key number>");
PrintAndLog(" 0 (default): 3DES standard key");
return 0;
}
- uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
- //uint8_t enc_random_a[8] = { 0 };
- uint8_t random_b[8] = { 0 };
- uint8_t enc_random_b[8] = { 0 };
- uint8_t random_a_and_b[16] = { 0 };
- des3_context ctx = { 0 };
- uint8_t *key = default_keys[keyNo];
+ uint8_t *key = default_3des_keys[keyNo];
+ if (try3DesAuthentication(key))
+ PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 8));
+ else
+ PrintAndLog("Authentication failed");
+
+ return 0;
+}
+
+int try3DesAuthentication( uint8_t *key){
+
uint8_t blockNo = 0;
uint32_t cuid = 0;
- //Auth1
+ des3_context ctx = { 0 };
+
+ uint8_t random_a[8] = { 1,1,1,1,1,1,1,1 };
+ uint8_t random_b[8] = { 0 };
+ uint8_t enc_random_b[8] = { 0 };
+ uint8_t rnd_ab[16] = { 0 };
+ uint8_t iv[8] = { 0 };
+
UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
SendCommand(&c);
UsbCommand resp;
- if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
- uint8_t isOK = resp.arg[0] & 0xff;
- cuid = resp.arg[1];
- uint8_t * data= resp.d.asBytes;
-
- if (isOK){
- memcpy(enc_random_b,data+1,8);
- } else {
- PrintAndLog("Auth failed");
- return 2;
- }
- } else {
- PrintAndLog("Command execute timeout");
- return 1;
- }
- uint8_t iv[8] = { 0 };
-
- PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
- PrintAndLog(" enc(RndB):%s",sprint_hex(enc_random_b, 8));
+ if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return -1;
+ if ( !(resp.arg[0] & 0xff) ) return -2;
+
+ cuid = resp.arg[1];
+ memcpy(enc_random_b,resp.d.asBytes+1,8);
des3_set2key_dec(&ctx, key);
-
- des3_crypt_cbc(&ctx // des3_context *ctx
- , DES_DECRYPT // int mode
- , sizeof(random_b) // size_t length
- , iv // unsigned char iv[8]
- , enc_random_b // const unsigned char *input
- , random_b // unsigned char *output
- );
-
- PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
+ // context, mode, length, IV, input, output
+ des3_crypt_cbc( &ctx, DES_DECRYPT, sizeof(random_b), iv , enc_random_b , random_b);
rol(random_b,8);
- memcpy(random_a_and_b ,random_a,8);
- memcpy(random_a_and_b+8,random_b,8);
-
- PrintAndLog(" A+B:%s",sprint_hex(random_a_and_b, 16));
+ memcpy(rnd_ab ,random_a,8);
+ memcpy(rnd_ab+8,random_b,8);
des3_set2key_enc(&ctx, key);
-
- des3_crypt_cbc(&ctx // des3_context *ctx
- , DES_ENCRYPT // int mode
- , sizeof(random_a_and_b) // size_t length
- , enc_random_b // unsigned char iv[8]
- , random_a_and_b // const unsigned char *input
- , random_a_and_b // unsigned char *output
- );
-
- PrintAndLog("enc(A+B):%s",sprint_hex(random_a_and_b, 16));
+ // context, mode, length, IV, input, output
+ des3_crypt_cbc(&ctx, DES_ENCRYPT, sizeof(rnd_ab), enc_random_b, rnd_ab, rnd_ab);
//Auth2
- UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}};
- memcpy(d.d.asBytes,random_a_and_b, 16);
- SendCommand(&d);
-
- UsbCommand respb;
- if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
- uint8_t isOK = respb.arg[0] & 0xff;
- uint8_t * data2= respb.d.asBytes;
+ c.cmd = CMD_MIFAREUC_AUTH2;
+ c.arg[0] = cuid;
+ memcpy(c.d.asBytes, rnd_ab, 16);
+ SendCommand(&c);
- if (isOK){
- PrintAndLog("enc(RndA'):%s", sprint_hex(data2+1, 8));
-
- uint8_t foo[8] = { 0 };
- uint8_t bar[8] = { 0 };
- memcpy(foo, data2+1, 8);
- des3_set2key_dec(&ctx, key);
-
- des3_crypt_cbc(&ctx // des3_context *ctx
- , DES_DECRYPT // int mode
- , 8 // size_t length
- , enc_random_b // unsigned char iv[8]
- , foo // const unsigned char *input
- , bar // unsigned char *output
- );
+ if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
+ if ( !(resp.arg[0] & 0xff)) return -2;
+
+ uint8_t enc_resp[8] = { 0 };
+ uint8_t resp_random_a[8] = { 0 };
+ memcpy(enc_resp, resp.d.asBytes+1, 8);
- PrintAndLog("--> : %s : <-- Should be equal to our RndA",sprint_hex(bar, 8));
+ des3_set2key_dec(&ctx, key);
+ // context, mode, length, IV, input, output
+ des3_crypt_cbc( &ctx, DES_DECRYPT, 8, enc_random_b, enc_resp, resp_random_a);
-
- } else {
- return 2;
- }
-
- } else {
- PrintAndLog("Command execute timeout");
- return 1;
- }
+ if ( !memcmp(resp_random_a, random_a, 8))
+ return 1;
return 0;
+
+ //PrintAndLog(" RndA :%s", sprint_hex(random_a, 8));
+ //PrintAndLog(" enc(RndB) :%s", sprint_hex(enc_random_b, 8));
+ //PrintAndLog(" RndB :%s", sprint_hex(random_b, 8));
+ //PrintAndLog(" A+B :%s", sprint_hex(random_a_and_b, 16));
+ //PrintAndLog(" enc(A+B) :%s", sprint_hex(random_a_and_b, 16));
+ //PrintAndLog(" enc(RndA') :%s", sprint_hex(data2+1, 8));
}
+
/**
A test function to validate that the polarssl-function works the same
was as the openssl-implementation.
return 1;
}
- if (blockNo > MAX_ULTRAC_BLOCKS ){
+ if (blockNo > MAX_ULC_BLOCKS ){
PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
return 1;
}
}
blockNo = param_get8(Cmd, 0);
- if (blockNo > MAX_ULTRAC_BLOCKS ){
+ if (blockNo > MAX_ULC_BLOCKS ){
PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
return 1;
}
{"crdbl", CmdHF14AMfUCRdBl, 0,"Read block - MIFARE Ultralight C"},
{"cwrbl", CmdHF14AMfUCWrBl, 0,"Write block - MIFARE Ultralight C"},
{"cauth", CmdHF14AMfucAuth, 0,"Ultralight C Authentication"},
- //{"testdes", CmdTestDES , 1, "Test DES"},
- {"setpwd", CmdHF14AMfucSetPwd , 1, "Set 3des password [Ultralight-C only]"},
- {"setuid", CmdHF14AMfucSetUid , 1, "Set UID"},
- {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
+ {"setpwd", CmdHF14AMfucSetPwd , 1, "Set 3des password [Ultralight-C only]"},
+ {"setuid", CmdHF14AMfucSetUid , 1, "Set UID"},
+ {"gen", CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / commitdiff