From d84fdcb900ccb7af95fe498d06b79e2d1113dd1f Mon Sep 17 00:00:00 2001
From: Token2 <6784409+token2@users.noreply.github.com>
Date: Thu, 8 Jan 2026 19:53:58 +0100
Subject: [PATCH] Implement minimum PIN length setting

Added functionality to set a minimum PIN length for the device.
---
 fido2-manage.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/fido2-manage.sh b/fido2-manage.sh
index 84d98c5..32c0d22 100755
--- a/fido2-manage.sh
+++ b/fido2-manage.sh
@@ -17,6 +17,7 @@ setPIN=false
 reset=false
 uvs=false
 uvd=false
+setMinimumPIN=""
 fingerprint=false
 help=false
 
@@ -107,7 +108,7 @@ if $help; then
 fi
 
 # Check if no arguments are specified, then show help
-if ! $list && ! $info && [[ -z $device ]] && ! $fingerprint && ! $storage && ! $residentKeys && [[ -z $domain ]] && ! $delete && [[ -z $credential ]] && ! $changePIN && ! $setPIN && ! $reset && ! $uvs && ! $uvd && ! $help; then
+if ! $list && ! $info && [[ -z $device ]] && ! $fingerprint && ! $storage && ! $residentKeys && [[ -z $domain ]] && ! $delete && [[ -z $credential ]] && ! $changePIN && ! $setMinimumPIN && ! $setPIN && ! $reset && ! $uvs && ! $uvd && ! $help; then
     show_help
     exit 1
 fi
@@ -186,6 +187,12 @@ if [[ -n $device ]]; then
         exit 0
     fi
 
+    if [[ -n $setMinimumPIN ]]; then
+        show_message "Setting minimum PIN length to $setMinimumPIN on device $device"
+        "$FIDO2_TOKEN_CMD" -S -l "$setMinimumPIN" "$device_string"
+        exit 0
+    fi
+
     if $delete && [[ -n $credential ]]; then
         show_message "WARNING: Deleting a credential is irreversible. Are you sure you want to proceed? (Y/N)"
         read -r confirmation