added hf mf cwipe

This commit is contained in:
merlokk 2019-12-06 17:04:22 +02:00
parent 5773919f58
commit 326e6aa9f2
3 changed files with 96 additions and 0 deletions

View file

@ -3665,6 +3665,56 @@ static int CmdHF14AMfCSetUID(const char *Cmd) {
return PM3_SUCCESS;
}
static int CmdHF14AMfCWipe(const char *cmd) {
uint8_t uid[8] = {0x00};
int uidLen = 0;
uint8_t atqa[2] = {0x00};
int atqaLen = 0;
uint8_t sak[1] = {0x00};
int sakLen = 0;
CLIParserInit("hf mf cwipe",
"Wipe Gen1 magic cheneese card. Set UID/ATQA/SAK/Data/Keys/Access to default values.",
"Usage:\n\thf mf cwipe -> wipe card.\n"
"\thf mfp mf cwipe -u 09080706 -a 0004 -s 18 -> set UID, ATQA and SAK and wipe card.");
void *argtable[] = {
arg_param_begin,
arg_str0("uU", "uid", "<HEX UID (4b)>", "UID for card"),
arg_str0("aA", "atqa", "<HEX ATQA (2b)>", "ATQA for card"),
arg_str0("sS", "sak", "<HEX SAK (1b)>", "SAK for card"),
arg_param_end
};
CLIExecWithReturn(cmd, argtable, true);
CLIGetHexWithReturn(1, uid, &uidLen);
CLIGetHexWithReturn(2, atqa, &atqaLen);
CLIGetHexWithReturn(3, sak, &sakLen);
CLIParserFree();
if (uidLen && uidLen != 4) {
PrintAndLogEx(ERR, "UID length must be 4 bytes instead of: %d", uidLen);
return PM3_EINVARG;
}
if (atqaLen && atqaLen != 2) {
PrintAndLogEx(ERR, "UID length must be 2 bytes instead of: %d", atqaLen);
return PM3_EINVARG;
}
if (sakLen && sakLen != 1) {
PrintAndLogEx(ERR, "UID length must be 1 byte instead of: %d", sakLen);
return PM3_EINVARG;
}
int res = mfCWipe((uidLen)? uid : NULL, (atqaLen) ? atqa : NULL, (sakLen) ? sak : NULL);
if (res) {
PrintAndLogEx(ERR, "Can't wipe card. error=%d", res);
return PM3_ESOFT;
}
PrintAndLogEx(SUCCESS, "Card wiped successfully");
return PM3_SUCCESS;
}
static int CmdHF14AMfCSetBlk(const char *Cmd) {
uint8_t block[16] = {0x00};
uint8_t blockNo = 0;
@ -4446,6 +4496,7 @@ static command_t CommandTable[] = {
{"ekeyprn", CmdHF14AMfEKeyPrn, IfPm3Iso14443a, "Print keys from simulator memory"},
{"-----------", CmdHelp, IfPm3Iso14443a, ""},
{"csetuid", CmdHF14AMfCSetUID, IfPm3Iso14443a, "Set UID (magic chinese card)"},
{"cwipe", CmdHF14AMfCWipe, IfPm3Iso14443a, "Wipe card to default UID/Sectors/Keys"},
{"csetblk", CmdHF14AMfCSetBlk, IfPm3Iso14443a, "Write block (magic chinese card)"},
{"cgetblk", CmdHF14AMfCGetBlk, IfPm3Iso14443a, "Read block (magic chinese card)"},
{"cgetsc", CmdHF14AMfCGetSc, IfPm3Iso14443a, "Read sector (magic chinese card)"},

View file

@ -615,6 +615,50 @@ int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, uint8_
return mfCSetBlock(0, block0, oldUID, params);
}
int mfCWipe(uint8_t *uid, uint8_t *atqa, uint8_t *sak) {
uint8_t block0[16] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xAF};
uint8_t blockD[16] = {0x00};
uint8_t blockK[16] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x08, 0x77, 0x8F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
uint8_t params = MAGIC_SINGLE;
if (uid != NULL) {
memcpy(block0, uid, 4);
block0[4] = block0[0] ^ block0[1] ^ block0[2] ^ block0[3];
}
if (sak != NULL)
block0[5] = sak[0];
if (atqa != NULL) {
block0[6] = atqa[1];
block0[7] = atqa[0];
}
int res;
for (int blockNo = 0; blockNo < 4 * 16; blockNo++) {
for (int retry = 0; retry < 3; retry++) {
if (blockNo == 0) {
res = mfCSetBlock(blockNo, block0, NULL, params);
} else {
if (mfIsSectorTrailer(blockNo))
res = mfCSetBlock(blockNo, blockK, NULL, params);
else
res = mfCSetBlock(blockNo, blockD, NULL, params);
}
if (res == PM3_SUCCESS)
break;
PrintAndLogEx(WARNING, "Retry block[%d]...", blockNo);
}
if (res) {
PrintAndLogEx(ERR, "Error setting block[%d]: %d", blockNo, res);
return res;
}
}
DropField();
return PM3_SUCCESS;
}
int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, uint8_t params) {
clearCommandBuffer();

View file

@ -73,6 +73,7 @@ int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount);
int mfEmlSetMem_xt(uint8_t *data, int blockNum, int blocksCount, int blockBtWidth);
int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID, uint8_t wipecard);
int mfCWipe(uint8_t *uid, uint8_t *atqa, uint8_t *sak);
int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, uint8_t params);
int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params);