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add iso native check

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This commit is contained in:
merlokk 2021-08-01 19:27:50 +03:00
commit 8402ba3d95
3 changed files with 45 additions and 5 deletions
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4
client/src/cmdhfmfdes.c
View file

@ -6259,10 +6259,10 @@ static int CmdHF14ADesLsApp(const char *Cmd) {
}
AuthCommandsChk authCmdCheck0 = {0};
DesfireCheckAuthCommands(0x000000, 0, &authCmdCheck0);
DesfireCheckAuthCommands(0x000000, NULL, 0, &authCmdCheck0);
if (appcount > 0) {
for (int i = 0; i < appcount; i++) {
DesfireCheckAuthCommands(AppList[i].appNum, 0, &AppList[i].authCmdCheck);
DesfireCheckAuthCommands(AppList[i].appNum, AppList[i].appDFName, 0, &AppList[i].authCmdCheck);
}
}

44
client/src/mifare/desfirecore.c
View file

@ -1371,14 +1371,54 @@ static bool DesfireCheckAuthCmd(uint32_t appAID, uint8_t keyNum, uint8_t authcmd
return (res == PM3_SUCCESS && respcode == 0xaf);
}
void DesfireCheckAuthCommands(uint32_t appAID, uint8_t keyNum, AuthCommandsChk *authCmdCheck) {
static bool DesfireCheckISOAuthCmd(uint32_t appAID, char *dfname, uint8_t keyNum, DesfireCryptoAlgorythm keytype) {
DesfireContext dctx = {0};
dctx.keyNum = keyNum;
dctx.commMode = DCMPlain;
dctx.cmdSet = DCCISO;
bool app_level = (appAID != 0x000000);
int res = 0;
// if cant select - return false
if (dfname == NULL || strnlen(dfname, 16) == 0) {
res = DesfireSelectAIDHex(&dctx, appAID, false, 0);
if (res != PM3_SUCCESS)
return false;
} else {
res = DesfireISOSelectDF(&dctx, dfname, NULL, NULL);
if (res != PM3_SUCCESS)
return false;
app_level = true;
}
uint8_t rndlen = DesfireGetRndLenForKey(keytype);
uint8_t piccrnd[64] = {0};
size_t xlen = 0;
res = DesfireISOGetChallenge(&dctx, keytype, piccrnd, &xlen);
if (res != PM3_SUCCESS || xlen != rndlen)
return false;
uint8_t resp[250] = {0};
size_t resplen = 0;
uint16_t sw = 0;
uint8_t p1 = DesfireKeyToISOKey(keytype);
uint8_t p2 = ((app_level) ? 0x80 : 0x00) | keyNum;
res = DesfireExchangeISO(false, &dctx, (sAPDU) {0x00, ISO7816_EXTERNAL_AUTHENTICATION, p1, p2, rndlen * 2, piccrnd}, 0, resp, &resplen, &sw);
DropField();
return (sw == 0x9000 || sw == 0x6982);
}
void DesfireCheckAuthCommands(uint32_t appAID, char *dfname, uint8_t keyNum, AuthCommandsChk *authCmdCheck) {
memset(authCmdCheck, 0, sizeof(AuthCommandsChk));
authCmdCheck->auth = DesfireCheckAuthCmd(appAID, keyNum, MFDES_AUTHENTICATE);
authCmdCheck->authISO = DesfireCheckAuthCmd(appAID, keyNum, MFDES_AUTHENTICATE_ISO);
authCmdCheck->authAES = DesfireCheckAuthCmd(appAID, keyNum, MFDES_AUTHENTICATE_AES);
authCmdCheck->authEV2 = DesfireCheckAuthCmd(appAID, keyNum, MFDES_AUTHENTICATE_EV2F);
authCmdCheck->authISONative = DesfireCheckISOAuthCmd(appAID, dfname, keyNum, T_DES);
}
void DesfireCheckAuthCommandsPrint(AuthCommandsChk *authCmdCheck) {

2
client/src/mifare/desfirecore.h
View file

@ -135,7 +135,7 @@ const char *DesfireAuthErrorToStr(int error);
int DesfireSelectAndAuthenticate(DesfireContext *dctx, DesfireSecureChannel secureChannel, uint32_t aid, bool verbose);
int DesfireSelectAndAuthenticateEx(DesfireContext *dctx, DesfireSecureChannel secureChannel, uint32_t aid, bool noauth, bool verbose);
int DesfireAuthenticate(DesfireContext *dctx, DesfireSecureChannel secureChannel, bool verbose);
void DesfireCheckAuthCommands(uint32_t appAID, uint8_t keyNum, AuthCommandsChk *authCmdCheck);
void DesfireCheckAuthCommands(uint32_t appAID, char *dfname, uint8_t keyNum, AuthCommandsChk *authCmdCheck);
void DesfireCheckAuthCommandsPrint(AuthCommandsChk *authCmdCheck);
int DesfireFormatPICC(DesfireContext *dctx);