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Code Issues Activity

nfc mf classic upgrades

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by noproto
This commit is contained in:
MX
2025-12-11 00:24:50 +03:00
parent caad1ef268
commit 0a7eb30a15
10 changed files with 240 additions and 32 deletions
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13
applications/system/mfkey/init_plugin.c
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@@ -251,10 +251,14 @@ bool load_nested_nonces(
MfClassicNonce res = {0};
res.attack = static_encrypted;
int sector_num = 0;
char key_type = 'A';
int parsed = sscanf(
line,
"Sec %*d key %*c cuid %" PRIx32 " nt0 %" PRIx32 " ks0 %" PRIx32
"Sec %d key %c cuid %" PRIx32 " nt0 %" PRIx32 " ks0 %" PRIx32
" par0 %4[01] nt1 %" PRIx32 " ks1 %" PRIx32 " par1 %4[01]",
&sector_num,
&key_type,
&res.uid,
&res.nt0,
&res.ks1_1_enc,
@@ -263,11 +267,14 @@ bool load_nested_nonces(
&res.ks1_2_enc,
res.par_2_str);
if(parsed >= 4) { // At least one nonce is present
// Calculate key_idx from sector and key type (for static encrypted: key_idx = sector * 2 + key_offset)
res.key_idx = (uint8_t)(sector_num * 2 + (key_type == 'B' ? 1 : 0));
if(parsed >= 6) { // At least one nonce is present (sector, key, uid, nt0, ks0, par0)
res.par_1 = binaryStringToInt(res.par_1_str);
res.uid_xor_nt0 = res.uid ^ res.nt0;
if(parsed == 7) { // Both nonces are present
if(parsed == 9) { // Both nonces are present
res.attack = static_nested;
res.par_2 = binaryStringToInt(res.par_2_str);
res.uid_xor_nt1 = res.uid ^ res.nt1;