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trace list -t mf: some info about nt

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Philippe Teuwen 2024-07-29 23:59:20 +02:00
commit 036fa47703
1 changed files with 6 additions and 1 deletions
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7
client/src/cmdhflist.c
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@ -2063,14 +2063,19 @@ void annotateMifare(char *exp, size_t size, uint8_t *cmd, uint8_t cmdsize,
switch (MifareAuthState) { switch (MifareAuthState) {
case masNt: case masNt:
if (cmdsize == 4 && isResponse) { if (cmdsize == 4 && isResponse) {
snprintf(exp, size, "AUTH: nt %s", (AuthData.first_auth) ? "" : "(enc)");
MifareAuthState = masNrAr; MifareAuthState = masNrAr;
if (AuthData.first_auth) { if (AuthData.first_auth) {
AuthData.nt = bytes_to_num(cmd, 4); AuthData.nt = bytes_to_num(cmd, 4);
AuthData.nt_enc_par = 0; AuthData.nt_enc_par = 0;
if (validate_prng_nonce(AuthData.nt)) {
snprintf(exp, size, "AUTH: nt (lfsr16 index %i)", nonce_distance(0x0100, AuthData.nt));
} else {
snprintf(exp, size, "AUTH: nt");
}
} else { } else {
AuthData.nt_enc = bytes_to_num(cmd, 4); AuthData.nt_enc = bytes_to_num(cmd, 4);
AuthData.nt_enc_par = parity[0] & 0xF0; AuthData.nt_enc_par = parity[0] & 0xF0;
snprintf(exp, size, "AUTH: nt (enc)");
} }
return; return;
} else { } else {