1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
3 // Copyright (C) 2011 Gerhard de Koning Gans
4 // Copyright (C) 2014 Midnitesnake & Andy Davies & Martin Holst Swende
6 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
7 // at your option, any later version. See the LICENSE.txt file for the text of
9 //-----------------------------------------------------------------------------
10 // High frequency iClass commands
11 //-----------------------------------------------------------------------------
17 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
19 #include "proxmark3.h"
21 #include "cmdparser.h"
22 #include "cmdhficlass.h"
26 #include "loclass/des.h"
27 #include "loclass/cipherutils.h"
28 #include "loclass/cipher.h"
29 #include "loclass/ikeys.h"
30 #include "loclass/elite_crack.h"
31 #include "loclass/fileutils.h"
32 #include "protocols.h"
37 static int CmdHelp(const char *Cmd
);
39 #define ICLASS_KEYS_MAX 8
40 static uint8_t iClass_Key_Table
[ICLASS_KEYS_MAX
][8] = {
41 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
42 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
43 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
44 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
45 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
46 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
47 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
48 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }
51 typedef struct iclass_block
{
55 int xorbits_8(uint8_t val
) {
56 uint8_t res
= val
^ (val
>> 1); //1st pass
57 res
= res
^ (res
>> 1); // 2nd pass
58 res
= res
^ (res
>> 2); // 3rd pass
59 res
= res
^ (res
>> 4); // 4th pass
63 int CmdHFiClassList(const char *Cmd
) {
64 //PrintAndLog("Deprecated command, use 'hf list iclass' instead");
69 int CmdHFiClassSnoop(const char *Cmd
) {
70 UsbCommand c
= {CMD_SNOOP_ICLASS
};
75 int usage_hf_iclass_sim(void) {
76 PrintAndLog("Usage: hf iclass sim <option> [CSN]");
77 PrintAndLog(" options");
78 PrintAndLog(" 0 <CSN> simulate the given CSN");
79 PrintAndLog(" 1 simulate default CSN");
80 PrintAndLog(" 2 Reader-attack, gather reader responses to extract elite key");
81 PrintAndLog(" 3 Full simulation using emulator memory (see 'hf iclass eload')");
82 PrintAndLog(" example: hf iclass sim 0 031FEC8AF7FF12E0");
83 PrintAndLog(" example: hf iclass sim 2");
84 PrintAndLog(" example: hf iclass eload 'tagdump.bin'");
85 PrintAndLog(" hf iclass sim 3");
90 int CmdHFiClassSim(const char *Cmd
) {
92 uint8_t CSN
[8] = {0, 0, 0, 0, 0, 0, 0, 0};
94 if (strlen(Cmd
)<1) return usage_hf_iclass_sim();
96 simType
= param_get8ex(Cmd
, 0, 0, 10);
100 if (param_gethex(Cmd
, 1, CSN
, 16)) {
101 PrintAndLog("A CSN should consist of 16 HEX symbols");
102 return usage_hf_iclass_sim();
105 PrintAndLog("--simtype:%02x csn:%s", simType
, sprint_hex(CSN
, 8));
110 PrintAndLog("Undefined simptype %d", simType
);
111 return usage_hf_iclass_sim();
114 uint8_t numberOfCSNs
=0;
117 UsbCommand c
= {CMD_SIMULATE_TAG_ICLASS
, {simType
,NUM_CSNS
}};
118 UsbCommand resp
= {0};
120 uint8_t csns
[8*NUM_CSNS
] = {
121 0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
122 0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0,
123 0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0,
124 0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0,
125 0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0,
126 0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0,
127 0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0,
128 0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0,
129 0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0,
130 0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0,
131 0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0,
132 0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0,
133 0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0,
134 0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0,
135 0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 };
137 memcpy(c
.d
.asBytes
, csns
, 8*NUM_CSNS
);
138 clearCommandBuffer();
140 if (!WaitForResponseTimeout(CMD_ACK
, &resp
, -1)) {
141 PrintAndLog("Command timed out");
145 uint8_t num_mac_responses
= resp
.arg
[1];
146 PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses
,NUM_CSNS
);
148 size_t datalen
= NUM_CSNS
*24;
150 * Now, time to dump to file. We'll use this format:
151 * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>....
152 * So, it should wind up as
155 * The returndata from the pm3 is on the following format
156 * <4 byte NR><4 byte MAC>
157 * CC are all zeroes, CSN is the same as was sent in
159 void* dump
= malloc(datalen
);
160 memset(dump
,0,datalen
);//<-- Need zeroes for the CC-field
162 for(i
= 0 ; i
< NUM_CSNS
; i
++) {
163 memcpy(dump
+i
*24, csns
+i
*8, 8); //CSN
164 //8 zero bytes here...
165 //Then comes NR_MAC (eight bytes from the response)
166 memcpy(dump
+i
*24+16, resp
.d
.asBytes
+i
*8, 8);
168 /** Now, save to dumpfile **/
169 saveFile("iclass_mac_attack", "bin", dump
, datalen
);
172 UsbCommand c
= {CMD_SIMULATE_TAG_ICLASS
, {simType
,numberOfCSNs
}};
173 memcpy(c
.d
.asBytes
, CSN
, 8);
174 clearCommandBuffer();
180 int HFiClassReader(const char *Cmd
, bool loop
, bool verbose
) {
181 bool tagFound
= false;
182 UsbCommand c
= {CMD_READER_ICLASS
, {FLAG_ICLASS_READER_CSN
|
183 FLAG_ICLASS_READER_CONF
| FLAG_ICLASS_READER_AA
}};
184 // loop in client not device - else on windows have a communication error
185 c
.arg
[0] |= FLAG_ICLASS_READER_ONLY_ONCE
| FLAG_ICLASS_READER_ONE_TRY
;
188 clearCommandBuffer();
190 if (WaitForResponseTimeout(CMD_ACK
,&resp
, 4500)) {
191 uint8_t readStatus
= resp
.arg
[0] & 0xff;
192 uint8_t *data
= resp
.d
.asBytes
;
194 if (verbose
) PrintAndLog("Readstatus:%02x", readStatus
);
195 if( readStatus
== 0){
197 if (verbose
) PrintAndLog("Quitting...");
200 if( readStatus
& FLAG_ICLASS_READER_CSN
){
201 PrintAndLog("CSN: %s",sprint_hex(data
,8));
204 if( readStatus
& FLAG_ICLASS_READER_CC
) PrintAndLog("CC: %s", sprint_hex(data
+16, 8));
205 if( readStatus
& FLAG_ICLASS_READER_CONF
) printIclassDumpInfo(data
);
206 if (tagFound
&& !loop
) return 1;
208 if (verbose
) PrintAndLog("Command execute timeout");
215 int CmdHFiClassReader(const char *Cmd
) {
216 return HFiClassReader(Cmd
, true, true);
219 int CmdHFiClassReader_Replay(const char *Cmd
) {
220 uint8_t readerType
= 0;
221 uint8_t MAC
[4]={0x00, 0x00, 0x00, 0x00};
224 PrintAndLog("Usage: hf iclass replay <MAC>");
225 PrintAndLog(" sample: hf iclass replay 00112233");
229 if (param_gethex(Cmd
, 0, MAC
, 8)) {
230 PrintAndLog("MAC must include 8 HEX symbols");
234 UsbCommand c
= {CMD_READER_ICLASS_REPLAY
, {readerType
}};
235 memcpy(c
.d
.asBytes
, MAC
, 4);
236 clearCommandBuffer();
241 int iclassEmlSetMem(uint8_t *data
, int blockNum
, int blocksCount
) {
242 UsbCommand c
= {CMD_MIFARE_EML_MEMSET
, {blockNum
, blocksCount
, 0}};
243 memcpy(c
.d
.asBytes
, data
, blocksCount
* 16);
244 clearCommandBuffer();
249 int hf_iclass_eload_usage(void) {
250 PrintAndLog("Loads iclass tag-dump into emulator memory on device");
251 PrintAndLog("Usage: hf iclass eload f <filename>");
253 PrintAndLog("Example: hf iclass eload f iclass_tagdump-aa162d30f8ff12f1.bin");
257 int CmdHFiClassELoad(const char *Cmd
) {
259 char opt
= param_getchar(Cmd
, 0);
260 if (strlen(Cmd
)<1 || opt
== 'h' || opt
== 'H') return hf_iclass_eload_usage();
262 //File handling and reading
264 char filename
[FILE_PATH_SIZE
];
265 if(opt
== 'f' && param_getstr(Cmd
, 1, filename
) > 0) {
266 f
= fopen(filename
, "rb");
268 return hf_iclass_eload_usage();
272 PrintAndLog("Failed to read from file '%s'", filename
);
276 fseek(f
, 0, SEEK_END
);
277 long fsize
= ftell(f
);
278 fseek(f
, 0, SEEK_SET
);
281 prnlog("Error, when getting filesize");
286 uint8_t *dump
= malloc(fsize
);
288 size_t bytes_read
= fread(dump
, 1, fsize
, f
);
291 printIclassDumpInfo(dump
);
294 if (bytes_read
< fsize
) {
295 prnlog("Error, could only read %d bytes (should be %d)",bytes_read
, fsize
);
300 uint32_t bytes_sent
= 0;
301 uint32_t bytes_remaining
= bytes_read
;
303 while(bytes_remaining
> 0){
304 uint32_t bytes_in_packet
= MIN(USB_CMD_DATA_SIZE
, bytes_remaining
);
305 UsbCommand c
= {CMD_ICLASS_EML_MEMSET
, {bytes_sent
,bytes_in_packet
,0}};
306 memcpy(c
.d
.asBytes
, dump
, bytes_in_packet
);
307 clearCommandBuffer();
309 bytes_remaining
-= bytes_in_packet
;
310 bytes_sent
+= bytes_in_packet
;
313 PrintAndLog("Sent %d bytes of data to device emulator memory", bytes_sent
);
317 static int readKeyfile(const char *filename
, size_t len
, uint8_t* buffer
) {
318 FILE *f
= fopen(filename
, "rb");
320 PrintAndLog("Failed to read from file '%s'", filename
);
323 fseek(f
, 0, SEEK_END
);
324 long fsize
= ftell(f
);
325 fseek(f
, 0, SEEK_SET
);
326 size_t bytes_read
= fread(buffer
, 1, len
, f
);
330 PrintAndLog("Warning, file size is %d, expected %d", fsize
, len
);
334 if(bytes_read
!= len
) {
335 PrintAndLog("Warning, could only read %d bytes, expected %d" ,bytes_read
, len
);
341 int usage_hf_iclass_decrypt(void) {
342 PrintAndLog("Usage: hf iclass decrypt f <tagdump>");
344 PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
345 PrintAndLog("in the working directory. The file should be 16 bytes binary data");
347 PrintAndLog("example: hf iclass decrypt f tagdump_12312342343.bin");
349 PrintAndLog("OBS! This is pretty stupid implementation, it tries to decrypt every block after block 6. ");
350 PrintAndLog("Correct behaviour would be to decrypt only the application areas where the key is valid,");
351 PrintAndLog("which is defined by the configuration block.");
355 int CmdHFiClassDecrypt(const char *Cmd
) {
356 uint8_t key
[16] = { 0 };
357 if(readKeyfile("iclass_decryptionkey.bin", 16, key
)) {
358 usage_hf_iclass_decrypt();
361 PrintAndLog("Decryption file found... ");
362 char opt
= param_getchar(Cmd
, 0);
363 if (strlen(Cmd
)<1 || opt
== 'h' || opt
== 'H') return usage_hf_iclass_decrypt();
365 //Open the tagdump-file
367 char filename
[FILE_PATH_SIZE
];
368 if(opt
== 'f' && param_getstr(Cmd
, 1, filename
) > 0) {
369 if ( (f
= fopen(filename
, "rb")) == NULL
) {
370 PrintAndLog("Could not find file %s", filename
);
374 return usage_hf_iclass_decrypt();
377 fseek(f
, 0, SEEK_END
);
378 long fsize
= ftell(f
);
379 fseek(f
, 0, SEEK_SET
);
380 uint8_t enc_dump
[8] = {0};
381 uint8_t *decrypted
= malloc(fsize
);
382 des3_context ctx
= { DES_DECRYPT
,{ 0 } };
383 des3_set2key_dec( &ctx
, key
);
384 size_t bytes_read
= fread(enc_dump
, 1, 8, f
);
386 //Use the first block (CSN) for filename
387 char outfilename
[FILE_PATH_SIZE
] = { 0 };
388 snprintf(outfilename
,FILE_PATH_SIZE
,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x-decrypted",
389 enc_dump
[0],enc_dump
[1],enc_dump
[2],enc_dump
[3],
390 enc_dump
[4],enc_dump
[5],enc_dump
[6],enc_dump
[7]);
393 while(bytes_read
== 8)
396 memcpy(decrypted
+(blocknum
*8), enc_dump
, 8);
398 des3_crypt_ecb(&ctx
, enc_dump
,decrypted
+(blocknum
*8) );
400 printvar("decrypted block", decrypted
+(blocknum
*8), 8);
401 bytes_read
= fread(enc_dump
, 1, 8, f
);
405 saveFile(outfilename
,"bin", decrypted
, blocknum
*8);
410 int usage_hf_iclass_encrypt(void) {
411 PrintAndLog("Usage: hf iclass encrypt <BlockData>");
413 PrintAndLog("OBS! In order to use this function, the file 'iclass_decryptionkey.bin' must reside");
414 PrintAndLog("in the working directory. The file should be 16 bytes binary data");
416 PrintAndLog("example: hf iclass encrypt 0102030405060708");
421 static int iClassEncryptBlkData(uint8_t *blkData
) {
422 uint8_t key
[16] = { 0 };
423 if(readKeyfile("iclass_decryptionkey.bin", 16, key
)) {
424 usage_hf_iclass_encrypt();
427 PrintAndLog("Decryption file found... ");
429 uint8_t encryptedData
[16];
430 uint8_t *encrypted
= encryptedData
;
431 des3_context ctx
= { DES_DECRYPT
,{ 0 } };
432 des3_set2key_enc( &ctx
, key
);
434 des3_crypt_ecb(&ctx
, blkData
,encrypted
);
435 //printvar("decrypted block", decrypted, 8);
436 memcpy(blkData
,encrypted
,8);
441 int CmdHFiClassEncryptBlk(const char *Cmd
) {
442 uint8_t blkData
[8] = {0};
443 char opt
= param_getchar(Cmd
, 0);
444 if (strlen(Cmd
)<1 || opt
== 'h' || opt
== 'H') return usage_hf_iclass_encrypt();
446 //get the bytes to encrypt
447 if (param_gethex(Cmd
, 0, blkData
, 16)) {
448 PrintAndLog("BlockData must include 16 HEX symbols");
451 if (!iClassEncryptBlkData(blkData
)) return 0;
453 printvar("encrypted block", blkData
, 8);
457 void Calc_wb_mac(uint8_t blockno
, uint8_t *data
, uint8_t *div_key
, uint8_t MAC
[4]) {
460 memcpy(WB
+ 1,data
,8);
461 doMAC_N(WB
,sizeof(WB
),div_key
,MAC
);
462 //printf("Cal wb mac block [%02x][%02x%02x%02x%02x%02x%02x%02x%02x] : MAC [%02x%02x%02x%02x]",WB[0],WB[1],WB[2],WB[3],WB[4],WB[5],WB[6],WB[7],WB[8],MAC[0],MAC[1],MAC[2],MAC[3]);
465 static bool select_only(uint8_t *CSN
, uint8_t *CCNR
, bool use_credit_key
, bool verbose
) {
468 UsbCommand c
= {CMD_READER_ICLASS
, {0}};
469 c
.arg
[0] = FLAG_ICLASS_READER_ONLY_ONCE
| FLAG_ICLASS_READER_CC
| FLAG_ICLASS_READER_ONE_TRY
;
471 c
.arg
[0] |= FLAG_ICLASS_READER_CEDITKEY
;
473 clearCommandBuffer();
475 if (!WaitForResponseTimeout(CMD_ACK
,&resp
,4500)) {
476 PrintAndLog("Command execute timeout");
480 uint8_t isOK
= resp
.arg
[0] & 0xff;
481 uint8_t *data
= resp
.d
.asBytes
;
486 memcpy(CCNR
,data
+16,8);
489 if (verbose
) PrintAndLog("CSN: %s",sprint_hex(CSN
,8));
493 PrintAndLog("Failed to obtain CC! Aborting");
499 static bool select_and_auth(uint8_t *KEY
, uint8_t *MAC
, uint8_t *div_key
, bool use_credit_key
, bool elite
, bool rawkey
, bool verbose
) {
500 uint8_t CSN
[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
501 uint8_t CCNR
[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
503 if (!select_only(CSN
, CCNR
, use_credit_key
, verbose
))
508 memcpy(div_key
, KEY
, 8);
510 HFiClassCalcDivKey(CSN
, KEY
, div_key
, elite
);
512 PrintAndLog("Authing with %s: %02x%02x%02x%02x%02x%02x%02x%02x", rawkey
? "raw key" : "diversified key", div_key
[0],div_key
[1],div_key
[2],div_key
[3],div_key
[4],div_key
[5],div_key
[6],div_key
[7]);
514 doMAC(CCNR
, div_key
, MAC
);
516 UsbCommand d
= {CMD_ICLASS_AUTHENTICATION
, {0}};
517 memcpy(d
.d
.asBytes
, MAC
, 4);
518 clearCommandBuffer();
520 if (!WaitForResponseTimeout(CMD_ACK
,&resp
,4500)) {
521 PrintAndLog("Auth Command execute timeout");
524 uint8_t isOK
= resp
.arg
[0] & 0xff;
526 PrintAndLog("Authentication error");
532 int usage_hf_iclass_dump(void) {
533 PrintAndLog("Usage: hf iclass dump f <fileName> k <Key> c <CreditKey> e|r\n");
534 PrintAndLog("Options:");
535 PrintAndLog(" f <filename> : specify a filename to save dump to");
536 PrintAndLog(" k <Key> : *Access Key as 16 hex symbols or 1 hex to select key from memory");
537 PrintAndLog(" c <CreditKey>: Credit Key as 16 hex symbols or 1 hex to select key from memory");
538 PrintAndLog(" e : If 'e' is specified, the key is interpreted as the 16 byte");
539 PrintAndLog(" Custom Key (KCus), which can be obtained via reader-attack");
540 PrintAndLog(" See 'hf iclass sim 2'. This key should be on iclass-format");
541 PrintAndLog(" r : If 'r' is specified, the key is interpreted as raw block 3/4");
542 PrintAndLog(" NOTE: * = required");
543 PrintAndLog("Samples:");
544 PrintAndLog(" hf iclass dump k 001122334455667B");
545 PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA c 001122334455667B");
546 PrintAndLog(" hf iclass dump k AAAAAAAAAAAAAAAA e");
550 int CmdHFiClassReader_Dump(const char *Cmd
) {
552 uint8_t MAC
[4] = {0x00,0x00,0x00,0x00};
553 uint8_t div_key
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
554 uint8_t c_div_key
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
558 uint8_t app_areas
= 1;
560 uint8_t KEY
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
561 uint8_t CreditKEY
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
564 uint8_t fileNameLen
= 0;
565 char filename
[FILE_PATH_SIZE
]={0};
566 char tempStr
[50] = {0};
567 bool have_debit_key
= false;
568 bool have_credit_key
= false;
569 bool use_credit_key
= false;
575 while(param_getchar(Cmd
, cmdp
) != 0x00)
577 switch(param_getchar(Cmd
, cmdp
))
581 return usage_hf_iclass_dump();
584 have_credit_key
= true;
585 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
587 errors
= param_gethex(tempStr
, 0, CreditKEY
, dataLen
);
588 } else if (dataLen
== 1) {
589 keyNbr
= param_get8(Cmd
, cmdp
+1);
590 if (keyNbr
< ICLASS_KEYS_MAX
) {
591 memcpy(CreditKEY
, iClass_Key_Table
[keyNbr
], 8);
593 PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
597 PrintAndLog("\nERROR: Credit Key is incorrect length\n");
609 fileNameLen
= param_getstr(Cmd
, cmdp
+1, filename
);
610 if (fileNameLen
< 1) {
611 PrintAndLog("No filename found after f");
618 have_debit_key
= true;
619 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
621 errors
= param_gethex(tempStr
, 0, KEY
, dataLen
);
622 } else if (dataLen
== 1) {
623 keyNbr
= param_get8(Cmd
, cmdp
+1);
624 if (keyNbr
< ICLASS_KEYS_MAX
) {
625 memcpy(KEY
, iClass_Key_Table
[keyNbr
], 8);
627 PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
631 PrintAndLog("\nERROR: Credit Key is incorrect length\n");
642 PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd
, cmdp
));
646 if(errors
) return usage_hf_iclass_dump();
649 if (cmdp
< 2) return usage_hf_iclass_dump();
650 // if no debit key given try credit key on AA1 (not for iclass but for some picopass this will work)
651 if (!have_debit_key
&& have_credit_key
) use_credit_key
= true;
653 //get config and first 3 blocks
654 UsbCommand c
= {CMD_READER_ICLASS
, {FLAG_ICLASS_READER_CSN
|
655 FLAG_ICLASS_READER_CONF
| FLAG_ICLASS_READER_ONLY_ONCE
| FLAG_ICLASS_READER_ONE_TRY
}};
657 uint8_t tag_data
[255*8];
659 clearCommandBuffer();
661 if (!WaitForResponseTimeout(CMD_ACK
, &resp
, 4500)) {
662 PrintAndLog("Command execute timeout");
663 ul_switch_off_field();
666 uint8_t readStatus
= resp
.arg
[0] & 0xff;
667 uint8_t * data
= resp
.d
.asBytes
;
670 PrintAndLog("No tag found...");
671 ul_switch_off_field();
675 if( readStatus
& (FLAG_ICLASS_READER_CSN
| FLAG_ICLASS_READER_CONF
| FLAG_ICLASS_READER_CC
)){
676 memcpy(tag_data
, data
, 8*3);
677 blockno
+= 2; // 2 to force re-read of block 2 later. (seems to respond differently..)
679 getMemConfig(data
[13], data
[12], &maxBlk
, &app_areas
, &kb
);
680 // large memory - not able to dump pages currently
681 if (numblks
> maxBlk
) numblks
= maxBlk
;
684 ul_switch_off_field();
685 // authenticate debit key and get div_key - later store in dump block 3
686 if (!select_and_auth(KEY
, MAC
, div_key
, use_credit_key
, elite
, rawkey
, false)){
687 //try twice - for some reason it sometimes fails the first time...
688 if (!select_and_auth(KEY
, MAC
, div_key
, use_credit_key
, elite
, rawkey
, false)){
689 ul_switch_off_field();
695 UsbCommand w
= {CMD_ICLASS_DUMP
, {blockno
, numblks
-blockno
+1}};
696 clearCommandBuffer();
698 if (!WaitForResponseTimeout(CMD_ACK
, &resp
, 4500)) {
699 PrintAndLog("Command execute time-out 1");
700 ul_switch_off_field();
703 uint32_t blocksRead
= resp
.arg
[1];
704 uint8_t isOK
= resp
.arg
[0] & 0xff;
705 if (!isOK
&& !blocksRead
) {
706 PrintAndLog("Read Block Failed");
707 ul_switch_off_field();
710 uint32_t startindex
= resp
.arg
[2];
711 if (blocksRead
*8 > sizeof(tag_data
)-(blockno
*8)) {
712 PrintAndLog("Data exceeded Buffer size!");
713 blocksRead
= (sizeof(tag_data
)/8) - blockno
;
715 // response ok - now get bigbuf content of the dump
716 GetFromBigBuf(tag_data
+(blockno
*8), blocksRead
*8, startindex
);
717 WaitForResponse(CMD_ACK
,NULL
);
718 size_t gotBytes
= blocksRead
*8 + blockno
*8;
721 if (have_credit_key
) {
722 //turn off hf field before authenticating with different key
723 ul_switch_off_field();
725 // AA2 authenticate credit key and git c_div_key - later store in dump block 4
726 if (!select_and_auth(CreditKEY
, MAC
, c_div_key
, true, false, false, false)){
727 //try twice - for some reason it sometimes fails the first time...
728 if (!select_and_auth(CreditKEY
, MAC
, c_div_key
, true, false, false, false)){
729 ul_switch_off_field();
733 // do we still need to read more block? (aa2 enabled?)
734 if (maxBlk
> blockno
+numblks
+1) {
735 // setup dump and start
736 w
.arg
[0] = blockno
+ blocksRead
;
737 w
.arg
[1] = maxBlk
- (blockno
+ blocksRead
);
738 clearCommandBuffer();
740 if (!WaitForResponseTimeout(CMD_ACK
, &resp
, 4500)) {
741 PrintAndLog("Command execute timeout 2");
742 ul_switch_off_field();
745 uint8_t isOK
= resp
.arg
[0] & 0xff;
746 blocksRead
= resp
.arg
[1];
747 if (!isOK
&& !blocksRead
) {
748 PrintAndLog("Read Block Failed 2");
749 ul_switch_off_field();
753 startindex
= resp
.arg
[2];
754 if (blocksRead
*8 > sizeof(tag_data
)-gotBytes
) {
755 PrintAndLog("Data exceeded Buffer size!");
756 blocksRead
= (sizeof(tag_data
) - gotBytes
)/8;
758 // get dumped data from bigbuf
759 GetFromBigBuf(tag_data
+gotBytes
, blocksRead
*8, startindex
);
760 WaitForResponse(CMD_ACK
,NULL
);
762 gotBytes
+= blocksRead
*8;
763 } else { //field is still on - turn it off...
764 ul_switch_off_field();
768 // add diversified keys to dump
769 if (have_debit_key
) memcpy(tag_data
+(3*8),div_key
,8);
770 if (have_credit_key
) memcpy(tag_data
+(4*8),c_div_key
,8);
772 printf("Num of bytes: %u\n", gotBytes
);
775 printf("------+--+-------------------------+\n");
776 printf("CSN |00| %s|\n", sprint_hex(tag_data
, 8));
777 //printIclassDumpContents(tag_data, 1, (gotBytes/8)-1, gotBytes-8);
778 printIclassDumpContents(tag_data
, 1, (gotBytes
/8), gotBytes
);
780 if (filename
[0] == 0){
781 snprintf(filename
, FILE_PATH_SIZE
,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
782 tag_data
[0],tag_data
[1],tag_data
[2],tag_data
[3],
783 tag_data
[4],tag_data
[5],tag_data
[6],tag_data
[7]);
786 // save the dump to .bin file
787 PrintAndLog("Saving dump file - %d blocks read", gotBytes
/8);
788 saveFile(filename
, "bin", tag_data
, gotBytes
);
792 static int WriteBlock(uint8_t blockno
, uint8_t *bldata
, uint8_t *KEY
, bool use_credit_key
, bool elite
, bool rawkey
, bool verbose
) {
793 uint8_t MAC
[4]={0x00,0x00,0x00,0x00};
794 uint8_t div_key
[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
795 if (!select_and_auth(KEY
, MAC
, div_key
, use_credit_key
, elite
, rawkey
, verbose
))
800 Calc_wb_mac(blockno
,bldata
,div_key
,MAC
);
801 UsbCommand w
= {CMD_ICLASS_WRITEBLOCK
, {blockno
}};
802 memcpy(w
.d
.asBytes
, bldata
, 8);
803 memcpy(w
.d
.asBytes
+ 8, MAC
, 4);
805 clearCommandBuffer();
807 if (!WaitForResponseTimeout(CMD_ACK
,&resp
,4500)) {
808 PrintAndLog("Write Command execute timeout");
811 uint8_t isOK
= resp
.arg
[0] & 0xff;
813 PrintAndLog("Write Block Failed");
816 PrintAndLog("Write Block Successful");
820 int usage_hf_iclass_writeblock(void) {
821 PrintAndLog("Options:");
822 PrintAndLog(" b <Block> : The block number as 2 hex symbols");
823 PrintAndLog(" d <data> : Set the Data to write as 16 hex symbols");
824 PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory");
825 PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n");
826 PrintAndLog(" e : If 'e' is specified, elite computations applied to key");
827 PrintAndLog(" r : If 'r' is specified, no computations applied to key");
828 PrintAndLog("Samples:");
829 PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B");
830 PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c");
831 PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA n 0");
835 int CmdHFiClass_WriteBlock(const char *Cmd
) {
837 uint8_t bldata
[8]={0,0,0,0,0,0,0,0};
838 uint8_t KEY
[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
841 char tempStr
[50] = {0};
842 bool use_credit_key
= false;
847 while(param_getchar(Cmd
, cmdp
) != 0x00)
849 switch(param_getchar(Cmd
, cmdp
))
853 return usage_hf_iclass_writeblock();
856 if (param_gethex(Cmd
, cmdp
+1, &blockno
, 2)) {
857 PrintAndLog("Block No must include 2 HEX symbols\n");
864 use_credit_key
= true;
869 if (param_gethex(Cmd
, cmdp
+1, bldata
, 16))
871 PrintAndLog("KEY must include 16 HEX symbols\n");
883 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
885 errors
= param_gethex(tempStr
, 0, KEY
, dataLen
);
886 } else if (dataLen
== 1) {
887 keyNbr
= param_get8(Cmd
, cmdp
+1);
888 if (keyNbr
< ICLASS_KEYS_MAX
) {
889 memcpy(KEY
, iClass_Key_Table
[keyNbr
], 8);
891 PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
895 PrintAndLog("\nERROR: Credit Key is incorrect length\n");
906 PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd
, cmdp
));
910 if(errors
) return usage_hf_iclass_writeblock();
913 if (cmdp
< 6) return usage_hf_iclass_writeblock();
914 int ans
= WriteBlock(blockno
, bldata
, KEY
, use_credit_key
, elite
, rawkey
, true);
915 ul_switch_off_field();
919 int usage_hf_iclass_clone(void) {
920 PrintAndLog("Usage: hf iclass clone f <tagfile.bin> b <first block> l <last block> k <KEY> c e|r");
921 PrintAndLog("Options:");
922 PrintAndLog(" f <filename>: specify a filename to clone from");
923 PrintAndLog(" b <Block> : The first block to clone as 2 hex symbols");
924 PrintAndLog(" l <Last Blk>: Set the Data to write as 16 hex symbols");
925 PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory");
926 PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n");
927 PrintAndLog(" e : If 'e' is specified, elite computations applied to key");
928 PrintAndLog(" r : If 'r' is specified, no computations applied to key");
929 PrintAndLog("Samples:");
930 PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e");
931 PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0");
932 PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 19 k 0 e");
936 int CmdHFiClassCloneTag(const char *Cmd
) {
937 char filename
[FILE_PATH_SIZE
] = { 0x00 };
938 char tempStr
[50]={0};
939 uint8_t KEY
[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
941 uint8_t fileNameLen
= 0;
942 uint8_t startblock
= 0;
943 uint8_t endblock
= 0;
945 bool use_credit_key
= false;
950 while(param_getchar(Cmd
, cmdp
) != 0x00)
952 switch(param_getchar(Cmd
, cmdp
))
956 return usage_hf_iclass_clone();
959 if (param_gethex(Cmd
, cmdp
+1, &startblock
, 2)) {
960 PrintAndLog("Start Block No must include 2 HEX symbols\n");
967 use_credit_key
= true;
977 fileNameLen
= param_getstr(Cmd
, cmdp
+1, filename
);
978 if (fileNameLen
< 1) {
979 PrintAndLog("No filename found after f");
986 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
988 errors
= param_gethex(tempStr
, 0, KEY
, dataLen
);
989 } else if (dataLen
== 1) {
990 keyNbr
= param_get8(Cmd
, cmdp
+1);
991 if (keyNbr
< ICLASS_KEYS_MAX
) {
992 memcpy(KEY
, iClass_Key_Table
[keyNbr
], 8);
994 PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
998 PrintAndLog("\nERROR: Credit Key is incorrect length\n");
1005 if (param_gethex(Cmd
, cmdp
+1, &endblock
, 2)) {
1006 PrintAndLog("Start Block No must include 2 HEX symbols\n");
1017 PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd
, cmdp
));
1021 if(errors
) return usage_hf_iclass_clone();
1024 if (cmdp
< 8) return usage_hf_iclass_clone();
1028 iclass_block_t tag_data
[USB_CMD_DATA_SIZE
/12];
1030 if ((endblock
-startblock
+1)*12 > USB_CMD_DATA_SIZE
) {
1031 PrintAndLog("Trying to write too many blocks at once. Max: %d", USB_CMD_DATA_SIZE
/8);
1033 // file handling and reading
1034 f
= fopen(filename
,"rb");
1036 PrintAndLog("Failed to read from file '%s'", filename
);
1041 PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4");
1045 // now read data from the file from block 6 --- 19
1046 // ok we will use this struct [data 8 bytes][MAC 4 bytes] for each block calculate all mac number for each data
1047 // then copy to usbcommand->asbytes; the max is 32 - 6 = 24 block 12 bytes each block 288 bytes then we can only accept to clone 21 blocks at the time,
1048 // else we have to create a share memory
1050 fseek(f
,startblock
*8,SEEK_SET
);
1051 size_t bytes_read
= fread(tag_data
,sizeof(iclass_block_t
),endblock
- startblock
+ 1,f
);
1052 if ( bytes_read
== 0){
1053 PrintAndLog("File reading error.");
1058 uint8_t MAC
[4]={0x00,0x00,0x00,0x00};
1059 uint8_t div_key
[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1061 if (!select_and_auth(KEY
, MAC
, div_key
, use_credit_key
, elite
, rawkey
, true))
1064 UsbCommand w
= {CMD_ICLASS_CLONE
,{startblock
,endblock
}};
1066 // calculate all mac for every the block we will write
1067 for (i
= startblock
; i
<= endblock
; i
++){
1068 Calc_wb_mac(i
,tag_data
[i
- startblock
].d
,div_key
,MAC
);
1069 // usb command d start pointer = d + (i - 6) * 12
1070 // memcpy(pointer,tag_data[i - 6],8) 8 bytes
1071 // memcpy(pointer + 8,mac,sizoof(mac) 4 bytes;
1073 ptr
= w
.d
.asBytes
+ (i
- startblock
) * 12;
1074 memcpy(ptr
, &(tag_data
[i
- startblock
].d
[0]), 8);
1075 memcpy(ptr
+ 8,MAC
, 4);
1078 for (i
= 0; i
<= endblock
- startblock
;i
++){
1079 memcpy(p
,w
.d
.asBytes
+ (i
* 12),12);
1080 printf("Block |%02x|",i
+ startblock
);
1081 printf(" %02x%02x%02x%02x%02x%02x%02x%02x |",p
[0],p
[1],p
[2],p
[3],p
[4],p
[5],p
[6],p
[7]);
1082 printf(" MAC |%02x%02x%02x%02x|\n",p
[8],p
[9],p
[10],p
[11]);
1085 clearCommandBuffer();
1087 if (!WaitForResponseTimeout(CMD_ACK
,&resp
,4500)) {
1088 PrintAndLog("Command execute timeout");
1094 static int ReadBlock(uint8_t *KEY
, uint8_t blockno
, uint8_t keyType
, bool elite
, bool rawkey
, bool verbose
) {
1095 uint8_t MAC
[4]={0x00,0x00,0x00,0x00};
1096 uint8_t div_key
[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1098 if (!select_and_auth(KEY
, MAC
, div_key
, (keyType
==0x18), elite
, rawkey
, verbose
))
1102 UsbCommand w
= {CMD_ICLASS_READBLOCK
, {blockno
}};
1103 clearCommandBuffer();
1105 if (!WaitForResponseTimeout(CMD_ACK
,&resp
,4500)) {
1106 PrintAndLog("Command execute timeout");
1110 uint8_t isOK
= resp
.arg
[0] & 0xff;
1112 PrintAndLog("Read Block Failed");
1115 //data read is stored in: resp.d.asBytes[0-15]
1116 if (verbose
) PrintAndLog("Block %02X: %s\n",blockno
, sprint_hex(resp
.d
.asBytes
,8));
1120 int usage_hf_iclass_readblock(void) {
1121 PrintAndLog("Usage: hf iclass readblk b <Block> k <Key> c e|r\n");
1122 PrintAndLog("Options:");
1123 PrintAndLog(" b <Block> : The block number as 2 hex symbols");
1124 PrintAndLog(" k <Key> : Access Key as 16 hex symbols or 1 hex to select key from memory");
1125 PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n");
1126 PrintAndLog(" e : If 'e' is specified, elite computations applied to key");
1127 PrintAndLog(" r : If 'r' is specified, no computations applied to key");
1128 PrintAndLog("Samples:");
1129 PrintAndLog(" hf iclass readblk b 06 k 0011223344556677");
1130 PrintAndLog(" hf iclass readblk b 1B k 0011223344556677 c");
1131 PrintAndLog(" hf iclass readblk b 0A k 0");
1135 int CmdHFiClass_ReadBlock(const char *Cmd
) {
1137 uint8_t keyType
= 0x88; //debit key
1138 uint8_t KEY
[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1140 uint8_t dataLen
= 0;
1141 char tempStr
[50] = {0};
1143 bool rawkey
= false;
1144 bool errors
= false;
1146 while(param_getchar(Cmd
, cmdp
) != 0x00)
1148 switch(param_getchar(Cmd
, cmdp
))
1152 return usage_hf_iclass_readblock();
1155 if (param_gethex(Cmd
, cmdp
+1, &blockno
, 2)) {
1156 PrintAndLog("Block No must include 2 HEX symbols\n");
1173 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
1174 if (dataLen
== 16) {
1175 errors
= param_gethex(tempStr
, 0, KEY
, dataLen
);
1176 } else if (dataLen
== 1) {
1177 keyNbr
= param_get8(Cmd
, cmdp
+1);
1178 if (keyNbr
< ICLASS_KEYS_MAX
) {
1179 memcpy(KEY
, iClass_Key_Table
[keyNbr
], 8);
1181 PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
1185 PrintAndLog("\nERROR: Credit Key is incorrect length\n");
1196 PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd
, cmdp
));
1200 if(errors
) return usage_hf_iclass_readblock();
1203 if (cmdp
< 4) return usage_hf_iclass_readblock();
1205 return ReadBlock(KEY
, blockno
, keyType
, elite
, rawkey
, true);
1208 int CmdHFiClass_loclass(const char *Cmd
) {
1209 char opt
= param_getchar(Cmd
, 0);
1211 if (strlen(Cmd
)<1 || opt
== 'h') {
1212 PrintAndLog("Usage: hf iclass loclass [options]");
1213 PrintAndLog("Options:");
1214 PrintAndLog("h Show this help");
1215 PrintAndLog("t Perform self-test");
1216 PrintAndLog("f <filename> Bruteforce iclass dumpfile");
1217 PrintAndLog(" An iclass dumpfile is assumed to consist of an arbitrary number of");
1218 PrintAndLog(" malicious CSNs, and their protocol responses");
1219 PrintAndLog(" The binary format of the file is expected to be as follows: ");
1220 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
1221 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
1222 PrintAndLog(" <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
1223 PrintAndLog(" ... totalling N*24 bytes");
1226 char fileName
[255] = {0};
1228 if(param_getstr(Cmd
, 1, fileName
) > 0) {
1229 return bruteforceFileNoKeys(fileName
);
1231 PrintAndLog("You must specify a filename");
1235 else if(opt
== 't') {
1236 int errors
= testCipherUtils();
1237 errors
+= testMAC();
1238 errors
+= doKeyTests(0);
1239 errors
+= testElite();
1240 if(errors
) prnlog("OBS! There were errors!!!");
1246 void printIclassDumpContents(uint8_t *iclass_dump
, uint8_t startblock
, uint8_t endblock
, size_t filesize
) {
1248 memcpy(&mem_config
, iclass_dump
+ 13,1);
1249 uint8_t maxmemcount
;
1251 uint8_t filemaxblock
= filesize
/ 8;
1253 if (mem_config
& 0x80)
1258 if (startblock
== 0)
1261 if ((endblock
> maxmemcount
) || (endblock
== 0))
1262 endblock
= maxmemcount
;
1264 // remember endblock needs to relate to zero-index arrays.
1265 if (endblock
> filemaxblock
-1)
1266 endblock
= filemaxblock
-1;
1268 //PrintAndLog ("startblock: %d, endblock: %d, filesize: %d, maxmemcount: %d, filemaxblock: %d",startblock, endblock,filesize, maxmemcount, filemaxblock);
1271 printf("------+--+-------------------------+\n");
1272 while (i
<= endblock
){
1273 uint8_t *blk
= iclass_dump
+ (i
* 8);
1274 printf("Block |%02X| %s|\n", i
, sprint_hex(blk
, 8) );
1277 printf("------+--+-------------------------+\n");
1280 int usage_hf_iclass_readtagfile() {
1281 PrintAndLog("Usage: hf iclass readtagfile <filename> [startblock] [endblock]");
1285 int CmdHFiClassReadTagFile(const char *Cmd
) {
1290 char filename
[FILE_PATH_SIZE
];
1291 if (param_getstr(Cmd
, 0, filename
) < 1)
1292 return usage_hf_iclass_readtagfile();
1294 if (param_getstr(Cmd
,1,(char *)&tempnum
) < 1)
1297 sscanf(tempnum
,"%d",&startblock
);
1299 if (param_getstr(Cmd
,2,(char *)&tempnum
) < 1)
1302 sscanf(tempnum
,"%d",&endblock
);
1304 // file handling and reading
1305 f
= fopen(filename
,"rb");
1307 PrintAndLog("Failed to read from file '%s'", filename
);
1310 fseek(f
, 0, SEEK_END
);
1311 long fsize
= ftell(f
);
1312 fseek(f
, 0, SEEK_SET
);
1315 PrintAndLog("Error, when getting filesize");
1320 uint8_t *dump
= malloc(fsize
);
1321 size_t bytes_read
= fread(dump
, 1, fsize
, f
);
1324 uint8_t *csn
= dump
;
1325 printf("------+--+-------------------------+\n");
1326 printf("CSN |00| %s|\n", sprint_hex(csn
, 8) );
1327 printIclassDumpContents(dump
, startblock
, endblock
, bytes_read
);
1333 uint64_t xorcheck(uint64_t sdiv,uint64_t hdiv) {
1334 uint64_t new_div = 0x00;
1340 uint64_t hexarray_to_uint64(uint8_t *key) {
1343 for (int i = 0;i < 8;i++)
1344 sprintf(&temp[(i *2)],"%02X",key[i]);
1346 if (sscanf(temp,"%016"llX,&uint_key) < 1)
1351 void HFiClassCalcDivKey(uint8_t *CSN
, uint8_t *KEY
, uint8_t *div_key
, bool elite
){
1352 uint8_t keytable
[128] = {0};
1353 uint8_t key_index
[8] = {0};
1355 uint8_t key_sel
[8] = { 0 };
1356 uint8_t key_sel_p
[8] = { 0 };
1357 hash2(KEY
, keytable
);
1358 hash1(CSN
, key_index
);
1359 for(uint8_t i
= 0; i
< 8 ; i
++)
1360 key_sel
[i
] = keytable
[key_index
[i
]] & 0xFF;
1362 //Permute from iclass format to standard format
1363 permutekey_rev(key_sel
, key_sel_p
);
1364 diversifyKey(CSN
, key_sel_p
, div_key
);
1366 diversifyKey(CSN
, KEY
, div_key
);
1370 //when told CSN, oldkey, newkey, if new key is elite (elite), and if old key was elite (oldElite)
1371 //calculate and return xor_div_key (ready for a key write command)
1372 //print all div_keys if verbose
1373 static void HFiClassCalcNewKey(uint8_t *CSN
, uint8_t *OLDKEY
, uint8_t *NEWKEY
, uint8_t *xor_div_key
, bool elite
, bool oldElite
, bool verbose
){
1374 uint8_t old_div_key
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1375 uint8_t new_div_key
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1377 HFiClassCalcDivKey(CSN
, OLDKEY
, old_div_key
, oldElite
);
1379 HFiClassCalcDivKey(CSN
, NEWKEY
, new_div_key
, elite
);
1381 for (uint8_t i
= 0; i
< sizeof(old_div_key
); i
++){
1382 xor_div_key
[i
] = old_div_key
[i
] ^ new_div_key
[i
];
1385 printf("Old div key : %s\n",sprint_hex(old_div_key
,8));
1386 printf("New div key : %s\n",sprint_hex(new_div_key
,8));
1387 printf("Xor div key : %s\n",sprint_hex(xor_div_key
,8));
1391 int usage_hf_iclass_calc_newkey(void) {
1392 PrintAndLog("HELP : Manage iClass Keys in client memory:\n");
1393 PrintAndLog("Usage: hf iclass calc_newkey o <Old key> n <New key> s [csn] e");
1394 PrintAndLog(" Options:");
1395 PrintAndLog(" o <oldkey> : *specify a key as 16 hex symbols or a key number as 1 symbol");
1396 PrintAndLog(" n <newkey> : *specify a key as 16 hex symbols or a key number as 1 symbol");
1397 PrintAndLog(" s <csn> : specify a card Serial number to diversify the key (if omitted will attempt to read a csn)");
1398 PrintAndLog(" e : specify new key as elite calc");
1399 PrintAndLog(" ee : specify old and new key as elite calc");
1400 PrintAndLog("Samples:");
1401 PrintAndLog(" e key to e key given csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899 s deadbeafdeadbeaf ee");
1402 PrintAndLog(" std key to e key read csn: hf iclass calcnewkey o 1122334455667788 n 2233445566778899 e");
1403 PrintAndLog(" std to std read csn : hf iclass calcnewkey o 1122334455667788 n 2233445566778899");
1404 PrintAndLog("NOTE: * = required\n");
1408 int CmdHFiClassCalcNewKey(const char *Cmd
) {
1409 uint8_t OLDKEY
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1410 uint8_t NEWKEY
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1411 uint8_t xor_div_key
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1412 uint8_t CSN
[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1413 uint8_t CCNR
[12] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
1415 uint8_t dataLen
= 0;
1416 char tempStr
[50] = {0};
1417 bool givenCSN
= false;
1418 bool oldElite
= false;
1420 bool errors
= false;
1422 while(param_getchar(Cmd
, cmdp
) != 0x00)
1424 switch(param_getchar(Cmd
, cmdp
))
1428 return usage_hf_iclass_calc_newkey();
1431 dataLen
= param_getstr(Cmd
, cmdp
, tempStr
);
1439 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
1440 if (dataLen
== 16) {
1441 errors
= param_gethex(tempStr
, 0, NEWKEY
, dataLen
);
1442 } else if (dataLen
== 1) {
1443 keyNbr
= param_get8(Cmd
, cmdp
+1);
1444 if (keyNbr
< ICLASS_KEYS_MAX
) {
1445 memcpy(NEWKEY
, iClass_Key_Table
[keyNbr
], 8);
1447 PrintAndLog("\nERROR: NewKey Nbr is invalid\n");
1451 PrintAndLog("\nERROR: NewKey is incorrect length\n");
1458 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
1459 if (dataLen
== 16) {
1460 errors
= param_gethex(tempStr
, 0, OLDKEY
, dataLen
);
1461 } else if (dataLen
== 1) {
1462 keyNbr
= param_get8(Cmd
, cmdp
+1);
1463 if (keyNbr
< ICLASS_KEYS_MAX
) {
1464 memcpy(OLDKEY
, iClass_Key_Table
[keyNbr
], 8);
1466 PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
1470 PrintAndLog("\nERROR: Credit Key is incorrect length\n");
1478 if (param_gethex(Cmd
, cmdp
+1, CSN
, 16))
1479 return usage_hf_iclass_calc_newkey();
1483 PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd
, cmdp
));
1487 if(errors
) return usage_hf_iclass_calc_newkey();
1490 if (cmdp
< 4) return usage_hf_iclass_calc_newkey();
1493 if (!select_only(CSN
, CCNR
, false, true))
1496 HFiClassCalcNewKey(CSN
, OLDKEY
, NEWKEY
, xor_div_key
, elite
, oldElite
, true);
1500 static int loadKeys(char *filename
) {
1502 f
= fopen(filename
,"rb");
1504 PrintAndLog("Failed to read from file '%s'", filename
);
1507 fseek(f
, 0, SEEK_END
);
1508 long fsize
= ftell(f
);
1509 fseek(f
, 0, SEEK_SET
);
1512 PrintAndLog("Error, when getting filesize");
1517 uint8_t *dump
= malloc(fsize
);
1519 size_t bytes_read
= fread(dump
, 1, fsize
, f
);
1521 if (bytes_read
> ICLASS_KEYS_MAX
* 8){
1522 PrintAndLog("File is too long to load - bytes: %u", bytes_read
);
1527 for (; i
< bytes_read
/8; i
++)
1528 memcpy(iClass_Key_Table
[i
],dump
+(i
*8),8);
1531 PrintAndLog("%u keys loaded", i
);
1535 static int saveKeys(char *filename
) {
1537 f
= fopen(filename
,"wb");
1539 printf("error opening file %s\n",filename
);
1542 for (uint8_t i
= 0; i
< ICLASS_KEYS_MAX
; i
++){
1543 if (fwrite(iClass_Key_Table
[i
],8,1,f
) != 1){
1544 PrintAndLog("save key failed to write to file: %s", filename
);
1552 static int printKeys(void) {
1554 for (uint8_t i
= 0; i
< ICLASS_KEYS_MAX
; i
++)
1555 PrintAndLog("%u: %s", i
, sprint_hex(iClass_Key_Table
[i
],8));
1560 int usage_hf_iclass_managekeys(void) {
1561 PrintAndLog("HELP : Manage iClass Keys in client memory:\n");
1562 PrintAndLog("Usage: hf iclass managekeys n [keynbr] k [key] f [filename] s l p\n");
1563 PrintAndLog(" Options:");
1564 PrintAndLog(" n <keynbr> : specify the keyNbr to set in memory");
1565 PrintAndLog(" k <key> : set a key in memory");
1566 PrintAndLog(" f <filename>: specify a filename to use with load or save operations");
1567 PrintAndLog(" s : save keys in memory to file specified by filename");
1568 PrintAndLog(" l : load keys to memory from file specified by filename");
1569 PrintAndLog(" p : print keys loaded into memory\n");
1570 PrintAndLog("Samples:");
1571 PrintAndLog(" set key : hf iclass managekeys n 0 k 1122334455667788");
1572 PrintAndLog(" save key file: hf iclass managekeys f mykeys.bin s");
1573 PrintAndLog(" load key file: hf iclass managekeys f mykeys.bin l");
1574 PrintAndLog(" print keys : hf iclass managekeys p\n");
1578 int CmdHFiClassManageKeys(const char *Cmd
) {
1580 uint8_t dataLen
= 0;
1581 uint8_t KEY
[8] = {0};
1582 char filename
[FILE_PATH_SIZE
];
1583 uint8_t fileNameLen
= 0;
1584 bool errors
= false;
1585 uint8_t operation
= 0;
1589 while(param_getchar(Cmd
, cmdp
) != 0x00)
1591 switch(param_getchar(Cmd
, cmdp
))
1595 return usage_hf_iclass_managekeys();
1598 fileNameLen
= param_getstr(Cmd
, cmdp
+1, filename
);
1599 if (fileNameLen
< 1) {
1600 PrintAndLog("No filename found after f");
1607 keyNbr
= param_get8(Cmd
, cmdp
+1);
1609 PrintAndLog("Wrong block number");
1616 operation
+= 3; //set key
1617 dataLen
= param_getstr(Cmd
, cmdp
+1, tempStr
);
1618 if (dataLen
== 16) { //ul-c or ev1/ntag key length
1619 errors
= param_gethex(tempStr
, 0, KEY
, dataLen
);
1621 PrintAndLog("\nERROR: Key is incorrect length\n");
1628 operation
+= 4; //print keys in memory
1633 operation
+= 5; //load keys from file
1638 operation
+= 6; //save keys to file
1642 PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd
, cmdp
));
1646 if(errors
) return usage_hf_iclass_managekeys();
1648 if (operation
== 0){
1649 PrintAndLog("no operation specified (load, save, or print)\n");
1650 return usage_hf_iclass_managekeys();
1653 PrintAndLog("Too many operations specified\n");
1654 return usage_hf_iclass_managekeys();
1656 if (operation
> 4 && fileNameLen
== 0){
1657 PrintAndLog("You must enter a filename when loading or saving\n");
1658 return usage_hf_iclass_managekeys();
1662 case 3: memcpy(iClass_Key_Table
[keyNbr
], KEY
, 8); return 1;
1663 case 4: return printKeys();
1664 case 5: return loadKeys(filename
);
1665 case 6: return saveKeys(filename
);
1671 static command_t CommandTable
[] = {
1672 {"help", CmdHelp
, 1, "This help"},
1673 {"calcnewkey", CmdHFiClassCalcNewKey
, 1, "[options..] Calc Diversified keys (blocks 3 & 4) to write new keys"},
1674 {"clone", CmdHFiClassCloneTag
, 0, "[options..] Authenticate and Clone from iClass bin file"},
1675 {"decrypt", CmdHFiClassDecrypt
, 1, "[f <fname>] Decrypt tagdump" },
1676 {"dump", CmdHFiClassReader_Dump
, 0, "[options..] Authenticate and Dump iClass tag's AA1"},
1677 {"eload", CmdHFiClassELoad
, 0, "[f <fname>] (experimental) Load data into iClass emulator memory"},
1678 {"encryptblk", CmdHFiClassEncryptBlk
, 1, "<BlockData> Encrypt given block data"},
1679 {"list", CmdHFiClassList
, 0, " (Deprecated) List iClass history"},
1680 {"loclass", CmdHFiClass_loclass
, 1, "[options..] Use loclass to perform bruteforce of reader attack dump"},
1681 {"managekeys", CmdHFiClassManageKeys
, 1, "[options..] Manage the keys to use with iClass"},
1682 {"readblk", CmdHFiClass_ReadBlock
, 0, "[options..] Authenticate and Read iClass block"},
1683 {"reader", CmdHFiClassReader
, 0, "Read an iClass tag"},
1684 {"readtagfile", CmdHFiClassReadTagFile
, 1, "[options..] Display Content from tagfile"},
1685 {"replay", CmdHFiClassReader_Replay
, 0, "<mac> Read an iClass tag via Reply Attack"},
1686 {"sim", CmdHFiClassSim
, 0, "[options..] Simulate iClass tag"},
1687 {"snoop", CmdHFiClassSnoop
, 0, " Eavesdrop iClass communication"},
1688 {"writeblk", CmdHFiClass_WriteBlock
, 0, "[options..] Authenticate and Write iClass block"},
1689 {NULL
, NULL
, 0, NULL
}
1692 int CmdHFiClass(const char *Cmd
) {
1693 clearCommandBuffer();
1694 CmdsParse(CommandTable
, Cmd
);
1698 int CmdHelp(const char *Cmd
) {
1699 CmdsHelp(CommandTable
);