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nfc: Attempt to detect MFP 2k in MFC mode #4053

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nfc: Attempt to detect MFP 2k in MFC mode #4053

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8 changes: 8 additions & 0 deletions lib/nfc/protocols/mf_classic/mf_classic.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,14 @@ static const MfClassicFeatures mf_classic_features[MfClassicTypeNum] = {
.full_name = "Mifare Classic 4K",
.type_name = "4K",
},
[MfClassicTypePlus2k] =
{
// TODO: need to validate whether 17 or 18 sectors are accessible
.sectors_total = 17,
.blocks_total = 544,
.full_name = "Mifare Plus 2K",
.type_name = "Plus 2K",
},
};

const NfcDeviceBase nfc_device_mf_classic = {
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1 change: 1 addition & 0 deletions lib/nfc/protocols/mf_classic/mf_classic.h
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Expand Up @@ -49,6 +49,7 @@ typedef enum {
MfClassicTypeMini,
MfClassicType1k,
MfClassicType4k,
MfClassicTypePlus2k,

MfClassicTypeNum,
} MfClassicType;
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12 changes: 12 additions & 0 deletions lib/nfc/protocols/mf_classic/mf_classic_poller.c
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Expand Up @@ -134,6 +134,18 @@ NfcCommand mf_classic_poller_handler_detect_type(MfClassicPoller* instance) {
instance->state = MfClassicPollerStateStart;
instance->current_type_check = MfClassicType4k;
FURI_LOG_D(TAG, "4K detected");
} else {
instance->current_type_check = MfClassicTypePlus2k;
}
} else if(instance->current_type_check == MfClassicTypePlus2k) {
// Second-last block in sector 16, which may exist if said sector is not in SL3 mode
MfClassicError error =
mf_classic_poller_get_nt(instance, 66, MfClassicKeyTypeA, NULL, false);
if(error == MfClassicErrorNone) {
instance->data->type = MfClassicTypePlus2k;
instance->state = MfClassicPollerStateStart;
instance->current_type_check = MfClassicType4k;
FURI_LOG_D(TAG, "Plus 2K detected");
} else {
instance->current_type_check = MfClassicType1k;
}
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