Force 8-digit serial number

Fixes #149. Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2025-05-19 10:01:07 +02:00
parent a61bb91824
commit 91aaee5beb
2 changed files with 2 additions and 0 deletions
--- a/src/fido/otp.c
+++ b/src/fido/otp.c
@@ -476,6 +476,7 @@ int cmd_otp() {
    }
    else if (p1 == 0x10) {
        memcpy(res_APDU, pico_serial.id, 4);
+        res_APDU[0] &= ~0xFC; // Force 8-digit serial number
        res_APDU_size = 4;
    }
    else if (p1 == 0x13) { // Get config