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nfc: Add function to determine whether MFUL is fully captured

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This commit is contained in:
Yukai Li
2022-10-07 00:23:34 -06:00
parent 674706279a
commit a227b63ba5
2 changed files with 13 additions and 0 deletions
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11
lib/nfc/protocols/mifare_ultralight.c
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@@ -1871,3 +1871,14 @@ bool mf_ul_prepare_emulation_response(
return tx_bits > 0;
}
bool mf_ul_is_full_capture(MfUltralightData* data) {
if(data->data_read != data->data_size) return false;
// Having read all the pages doesn't mean that we've got everything.
// By default PWD is 0xFFFFFFFF, but if read back it is always 0x00000000,
// so a default read on an auth-supported NTAG is never complete.
if(!(mf_ul_get_features(data->type) & MfUltralightSupportAuth)) return true;
MfUltralightConfigPages* config = mf_ultralight_get_config_pages(data);
return config->auth_data.pwd.value != 0 || config->auth_data.pack.value != 0;
}

2
lib/nfc/protocols/mifare_ultralight.h
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@@ -243,3 +243,5 @@ bool mf_ul_prepare_emulation_response(
uint32_t mf_ul_pwdgen_amiibo(FuriHalNfcDevData* data);
uint32_t mf_ul_pwdgen_xiaomi(FuriHalNfcDevData* data);
bool mf_ul_is_full_capture(MfUltralightData* data);