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Fix MAD decoding for DESFire

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This commit is contained in:
Philippe Teuwen 2020-10-27 20:46:43 +01:00
commit fdd11c3fb2
3 changed files with 24 additions and 4 deletions
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17
client/src/cmdhfmfdes.c
View file

@ -32,6 +32,7 @@
#include "fileutils.h"
#include "mifare/mifaredefault.h" // default keys
#include "mifare/ndef.h" // NDEF
#include "mifare/mad.h"
#define MAX_KEY_LEN 24
#define MAX_KEYS_LIST_LEN 1024
@ -3539,8 +3540,12 @@ static int CmdHF14ADesDump(const char *Cmd) {
aid[2] = app_ids[i + 2];
PrintAndLogEx(SUCCESS, " AID : " _GREEN_("%02X%02X%02X"), aid[2], aid[1], aid[0]);
PrintAndLogEx(SUCCESS, " AID Function Cluster 0x%02X: " _YELLOW_("%s"), aid[2], cluster_to_text(aid[2]));
if ((aid[2] >> 4) == 0xF) {
uint16_t short_aid = ((aid[2] & 0xF) << 12) | (aid[1] << 4) | (aid[0] >> 4);
PrintAndLogEx(SUCCESS, " AID mapped to MIFARE Classic AID (MAD): " _YELLOW_("%02X"), short_aid);
PrintAndLogEx(SUCCESS, " MAD AID Cluster 0x%02X : " _YELLOW_("%s"), short_aid >> 8, cluster_to_text(short_aid >> 8));
MADDFDecodeAndPrint(short_aid);
}
for (uint8_t m = 0; m < dfname_count; m++) {
if (dfnames[m].aid[0] == aid[0] && dfnames[m].aid[1] == aid[1] && dfnames[m].aid[2] == aid[2]) {
PrintAndLogEx(SUCCESS, " - DF " _YELLOW_("%02X%02X") " Name : " _YELLOW_("%s"), dfnames[m].fid[1], dfnames[m].fid[0], dfnames[m].name);
@ -3705,8 +3710,12 @@ static int CmdHF14ADesEnumApplications(const char *Cmd) {
}
PrintAndLogEx(SUCCESS, " AID : " _GREEN_("%02X%02X%02X"), aid[2], aid[1], aid[0]);
PrintAndLogEx(SUCCESS, " AID Function Cluster 0x%02X: " _YELLOW_("%s"), aid[2], cluster_to_text(aid[2]));
if ((aid[2] >> 4) == 0xF) {
uint16_t short_aid = ((aid[2] & 0xF) << 12) | (aid[1] << 4) | (aid[0] >> 4);
PrintAndLogEx(SUCCESS, " AID mapped to MIFARE Classic AID (MAD): " _YELLOW_("%02X"), short_aid);
PrintAndLogEx(SUCCESS, " MAD AID Cluster 0x%02X : " _YELLOW_("%s"), short_aid >> 8, cluster_to_text(short_aid >> 8));
MADDFDecodeAndPrint(short_aid);
}
for (uint8_t m = 0; m < dfname_count; m++) {
if (dfnames[m].aid[0] == aid[0] && dfnames[m].aid[1] == aid[1] && dfnames[m].aid[2] == aid[2]) {
PrintAndLogEx(SUCCESS, " - DF " _YELLOW_("%02X%02X") " Name : " _YELLOW_("%s"), dfnames[m].fid[1], dfnames[m].fid[0], dfnames[m].name);

10
client/src/mifare/mad.c
View file

@ -372,3 +372,13 @@ int MAD2DecodeAndPrint(uint8_t *sector, bool swapmad, bool verbose) {
return PM3_SUCCESS;
}
int MADDFDecodeAndPrint(uint32_t short_aid) {
open_mad_file(&mad_known_aids, false);
char fmt[50];
sprintf(fmt, " MAD AID Function 0x%04X :" _YELLOW_("%s"), short_aid, "%s");
print_aid_description(mad_known_aids, short_aid, fmt, false);
close_mad_file(mad_known_aids);
return PM3_SUCCESS;
}

1
client/src/mifare/mad.h
View file

@ -17,6 +17,7 @@ int MADCheck(uint8_t *sector0, uint8_t *sector10, bool verbose, bool *haveMAD2);
int MADDecode(uint8_t *sector0, uint8_t *sector10, uint16_t *mad, size_t *madlen, bool swapmad);
int MAD1DecodeAndPrint(uint8_t *sector, bool swapmad, bool verbose, bool *haveMAD2);
int MAD2DecodeAndPrint(uint8_t *sector, bool swapmad, bool verbose);
int MADDFDecodeAndPrint(uint32_t short_aid);
int MADCardHolderInfoDecode(uint8_t *data, size_t dataLen, bool verbose);
#endif // _MAD_H_