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merlokk 2021-08-11 20:28:59 +03:00
commit 705f7a698f
1 changed files with 123 additions and 49 deletions
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172
client/src/cmdhfmfdes.c
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@ -36,6 +36,7 @@
#include "fileutils.h"
#include "nfc/ndef.h" // NDEF
#include "mifare/mad.h"
#include "mifare/mifaredefault.h"
#include "generator.h"
#include "mifare/aiddesfire.h"
#include "util.h"
@ -1270,6 +1271,25 @@ static int CmdHF14ADesList(const char *Cmd) {
return CmdTraceListAlias(Cmd, "hf mfdes", "des");
}
static int DesfireAuthCheck(DesfireContext *dctx, uint32_t appid, DesfireSecureChannel secureChannel, uint8_t *key) {
DesfireSetKeyNoClear(dctx, dctx->keyNum, dctx->keyType, key);
int res = DesfireAuthenticate(dctx, secureChannel, false);
if (res == PM3_SUCCESS) {
memcpy(dctx->key, key, desfire_get_key_length(dctx->keyType));
return PM3_SUCCESS;
} else if (res < 7) {
DropField();
res = DesfireSelectAIDHex(dctx, appid, false, 0);
if (res != PM3_SUCCESS) {
return -10;
}
return -11;
}
return -1;
}
static int CmdHF14aDesDetect(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf mfdes detect",
@ -1296,7 +1316,7 @@ static int CmdHF14aDesDetect(const char *Cmd) {
arg_lit0(NULL, "save", "save found key and parameters to defaults"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
CLIExecWithReturn(ctx, Cmd, argtable, true);
bool APDULogging = arg_get_lit(ctx, 1);
bool verbose = arg_get_lit(ctx, 2);
@ -1310,8 +1330,10 @@ static int CmdHF14aDesDetect(const char *Cmd) {
return res;
}
uint32_t fnum = 1;
if (CLIGetUint32Hex(ctx, 12, 1, &fnum, NULL, 1, "File ID must have 1 byte length")) {
uint8_t dict_filename[FILE_PATH_SIZE + 2] = {0};
int dict_filenamelen = 0;
if (CLIParamStrToBuf(arg_get_str(ctx, 12), dict_filename, FILE_PATH_SIZE, &dict_filenamelen)) {
PrintAndLogEx(FAILED, "File name too long or invalid.");
CLIParserFree(ctx);
return PM3_EINVARG;
}
@ -1330,10 +1352,6 @@ static int CmdHF14aDesDetect(const char *Cmd) {
}
bool keytypes[4] = {0};
/*T_DES = 0x00,
T_3DES = 0x01, //aka 2K3DES
T_3K3DES = 0x02,
T_AES = 0x03 */
uint8_t data[250] = {0};
size_t datalen = 0;
@ -1396,56 +1414,112 @@ static int CmdHF14aDesDetect(const char *Cmd) {
}
// for key types
bool found = false;
size_t errcount = 0;
for (uint8_t ktype = T_DES; ktype <= T_AES; ktype++) {
if (!keytypes[ktype])
continue;
dctx.keyType = ktype;
if (verbose)
PrintAndLogEx(INFO, "Scan key type: %s", CLIGetOptionListStr(DesfireAlgoOpts, dctx.keyType));
}
/*
// load keys from file
size_t endFilePosition = 0;
if (dict_filenamelen) {
res = loadFileDICTIONARYEx((char *)dict_filename, deskeyList, sizeof(deskeyList), NULL, 8, &deskeyListLen, 0, &endFilePosition, true);
if (res == PM3_SUCCESS && endFilePosition)
PrintAndLogEx(SUCCESS, "First part of des dictionary successfully loaded.");
// checks
if (usedkeys[keyno] == 1 && foundKeys[0][keyno][0] == 0) {
for (uint32_t curkey = 0; curkey < deskeyListLen; curkey++) {
DesfireSetKeyNoClear(dctx, keyno, T_DES, deskeyList[curkey]);
res = DesfireAuthenticate(dctx, secureChannel, false);
if (res == PM3_SUCCESS) {
PrintAndLogEx(SUCCESS, "AID 0x%06X, Found DES Key %02u : " _GREEN_("%s"), curaid, keyno, sprint_hex(deskeyList[curkey], 8));
foundKeys[0][keyno][0] = 0x01;
*result = true;
memcpy(&foundKeys[0][keyno][1], deskeyList[curkey], 8);
break;
} else if (res < 7) {
badlen = true;
DropField();
res = DesfireSelectAIDHex(dctx, curaid, false, 0);
if (res != PM3_SUCCESS) {
return res;
}
break;
if (dict_filenamelen == 0) {
// keys from mifaredefault.h
for (int i = 0; i < g_mifare_plus_default_keys_len; i++) {
uint8_t key[DESFIRE_MAX_KEY_SIZE] = {0};
if (hex_to_bytes(g_mifare_plus_default_keys[i], key, 16) != 16)
continue;
if (ktype == T_3K3DES)
memcpy(&key[16], key, 8);
res = DesfireAuthCheck(&dctx, appid, securechann, key);
if (res == PM3_SUCCESS) {
found = true;
break; // all the params already in the dctx
}
if (res == -10) {
if (verbose)
PrintAndLogEx(ERR, "Can't select AID. There is no connection with card.");
found = false;
break; // we can't select app after invalid 1st auth stages
}
if (res == -11) {
if (errcount > 10) {
if (verbose)
PrintAndLogEx(ERR, "Too much errors (%zu) from card", errcount);
break;
}
}
if (badlen == true) {
badlen = false;
break;
}
errcount++;
} else
errcount = 0;
}
} else {
// keys from file
uint8_t keyList[MAX_KEYS_LIST_LEN * MAX_KEY_LEN] = {0};
uint32_t keyListLen = 0;
size_t keylen = desfire_get_key_length(dctx.keyType);
size_t endFilePosition = 0;
while (!found) {
res = loadFileDICTIONARYEx((char *)dict_filename, keyList, sizeof(keyList), NULL, keylen, &keyListLen, endFilePosition, &endFilePosition, verbose);
PrintAndLogEx(ERR, "--res: %d endFilePosition: %d keyListLen: %d", res, endFilePosition, keyListLen);
if (res != 1 && res != PM3_SUCCESS)
break;
for (int i = 0; i < keyListLen; i++) {
PrintAndLogEx(ERR, "--key:[%02d] %s", i, sprint_hex(&keyList[i * keylen], keylen));
res = DesfireAuthCheck(&dctx, appid, securechann, &keyList[i * keylen]);
if (res == PM3_SUCCESS) {
found = true;
break; // all the params already in the dctx
}
if (res == -10) {
if (verbose)
PrintAndLogEx(ERR, "Can't select AID. There is no connection with card.");
found = false;
break; // we can't select app after invalid 1st auth stages
}
if (res == -11) {
if (errcount > 10) {
if (verbose)
PrintAndLogEx(ERR, "Too much errors (%zu) from card", errcount);
break;
}
errcount++;
} else
errcount = 0;
}
if (endFilePosition == 0)
break;
}
}
// load keys from file
uint32_t keycnt = 0;
res = loadFileDICTIONARYEx((char *)dict_filename, deskeyList, sizeof(deskeyList), NULL, 16, &keycnt, endFilePosition, &endFilePosition, false);
if (res == PM3_SUCCESS && endFilePosition)
deskeyListLen = keycnt;
*/
if (found)
break;
}
if (found) {
if (appid == 0)
PrintAndLogEx(INFO, _GREEN_("Found") " key num: %d (0x%02x)", dctx.keyNum, dctx.keyNum);
else
PrintAndLogEx(INFO, "Found key for app: %06x key num: %d (0x%02x)", appid, dctx.keyNum, dctx.keyNum);
PrintAndLogEx(INFO, "key " _GREEN_("%s") " [%d]: " _GREEN_("%s"),
CLIGetOptionListStr(DesfireAlgoOpts, dctx.keyType),
desfire_get_key_length(dctx.keyType),
sprint_hex(dctx.key, desfire_get_key_length(dctx.keyType)));
} else {
PrintAndLogEx(INFO, "Key " _RED_("not found"));
}
DropField();
if (save) {
if (found && save) {
}