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refactoring. move key list to uint8_t[16] array

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merlokk 2019-11-28 15:36:52 +02:00
commit 9f8a8cce96
1 changed files with 42 additions and 18 deletions
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60
client/cmdhfmfp.c
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@ -638,10 +638,15 @@ static int CmdHFMFPWrbl(const char *cmd) {
return PM3_SUCCESS;
}
#define AES_KEY_LEN 16
#define MAX_KEYS_LIST_LEN 1024
static int CmdHFMFPChk(const char *cmd) {
int res;
bool selectCard = true;
char* foundKeys[2][64] = {NULL};
uint8_t keysList[MAX_KEYS_LIST_LEN][AES_KEY_LEN] = {0};
size_t keysListLen = 0;
uint8_t foundKeys[2][64][AES_KEY_LEN + 1] = {0};
CLIParserInit("hf mfp check",
"Checks keys with Mifare Plus card.",
@ -682,30 +687,49 @@ static int CmdHFMFPChk(const char *cmd) {
if (endSector < startSector)
endSector = startSector;
if (pattern1b || pattern2b) {
for (int i = 0; i < 0x100; i++)
memset(keysList[i], i, 16);
keysListLen = 0x100;
}
if (keysListLen == 0) {
for (int i = 0; i < g_mifare_plus_default_keys_len; i++) {
int datalen = 0;
if (param_gethex_to_eol(g_mifare_plus_default_keys[i], 0, keysList[keysListLen], 16, &datalen) > 0)
break;
if (datalen != 16)
break;
keysListLen++;
}
}
if (keysListLen == 0) {
PrintAndLogEx(ERROR, "Key list is empty. Nothing to check.");
return 1;
}
uint8_t keyn[2] = {0};
uint8_t key[16] = {0};
// sector number from 0
for (uint8_t sector = startSector; sector <= endSector; sector++) {
// 0-keyA 1-keyB
for(uint8_t keyAB = startKeyAB; keyAB <= endKeyAB; keyAB++) {
// main cycle with key check
for (int i = 0; i < g_mifare_plus_default_keys_len; i++) {
int datalen = 0;
if (param_gethex_to_eol((char *)g_mifare_plus_default_keys[i], 0, (uint8_t *)key, 16, &datalen) > 0)
break;
if (datalen != 16)
break;
for (int i = 0; i < keysListLen; i++) {
uint16_t uKeyNum = 0x4000 + sector * 2 + keyAB;
keyn[0] = uKeyNum >> 8;
keyn[1] = uKeyNum & 0xff;
res = MifareAuth4(NULL, keyn, key, selectCard, true, false, false, true);
PrintAndLogEx(WARNING, "sector %d key %d [%s] res: %d", sector, keyAB, sprint_hex_inrow(key, 16), res);
res = MifareAuth4(NULL, keyn, keysList[i], selectCard, true, false, false, true);
PrintAndLogEx(WARNING, "sector %d key %d [%s] res: %d", sector, keyAB, sprint_hex_inrow(keysList[i], 16), res);
if (res == 0) {
PrintAndLogEx(INFO, "Found key for sector %d key %s [%s]", sector, keyAB == 0 ? "A" : "B", sprint_hex_inrow(key, 16));
foundKeys[keyAB][sector] = (char*)g_mifare_plus_default_keys[i];
PrintAndLogEx(INFO, "Found key for sector %d key %s [%s]", sector, keyAB == 0 ? "A" : "B", sprint_hex_inrow(keysList[i], 16));
foundKeys[keyAB][sector][0] = 0x01;
memcpy(&foundKeys[keyAB][sector][1], keysList[i], AES_KEY_LEN);
DropField();
selectCard = true;
msleep(50);
@ -725,23 +749,23 @@ static int CmdHFMFPChk(const char *cmd) {
// print result
bool printedHeader = false;
for (uint8_t sector = startSector; sector <= endSector; sector++) {
if (foundKeys[0][sector] != NULL || foundKeys[1][sector] != NULL) {
if (foundKeys[0][sector][0] || foundKeys[1][sector][0]) {
if (!printedHeader) {
PrintAndLogEx(INFO, ".------.--------------------------------.--------------------------------.");
PrintAndLogEx(INFO, "\n.------.--------------------------------.--------------------------------.");
PrintAndLogEx(INFO, "|sector| key A | key B |");
PrintAndLogEx(INFO, "|------|--------------------------------|--------------------------------|");
printedHeader = true;
}
PrintAndLogEx(INFO, "| %02d |%32s|%32s|",
sector,
(foundKeys[0][sector] == NULL) ? "------ " : foundKeys[0][sector],
(foundKeys[1][sector] == NULL) ? "------ " : foundKeys[1][sector]);
(foundKeys[0][sector][0] == 0) ? "------ " : sprint_hex_inrow(&foundKeys[0][sector][1], AES_KEY_LEN),
(foundKeys[1][sector][0] == 0) ? "------ " : sprint_hex_inrow(&foundKeys[1][sector][1], AES_KEY_LEN));
}
}
if (!printedHeader)
PrintAndLogEx(INFO, "No keys found(");
else
PrintAndLogEx(INFO, "'------'--------------------------------'--------------------------------'");
PrintAndLogEx(INFO, "'------'--------------------------------'--------------------------------'\n");
return PM3_SUCCESS;
}