From 169b216d7eba1641f46dd8ab4b64dfb8f0a5cc2f Mon Sep 17 00:00:00 2001
From: Yunheng Liu <121078488+Kookiejarz@users.noreply.github.com>
Date: Wed, 1 Apr 2026 07:59:48 -0400
Subject: perf: replace /dev/urandom | tr with openssl rand to fix CPU spike
 (#3887)

---
 x-ui.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'x-ui.sh')

diff --git a/x-ui.sh b/x-ui.sh
index e9e2d831..e26dcce2 100644
--- a/x-ui.sh
+++ b/x-ui.sh
@@ -243,8 +243,9 @@ reset_user() {
 
 gen_random_string() {
     local length="$1"
-    local random_string=$(LC_ALL=C tr -dc 'a-zA-Z0-9' </dev/urandom | fold -w "$length" | head -n 1)
-    echo "$random_string"
+    openssl rand -base64 $(( length * 2 )) \
+        | tr -dc 'a-zA-Z0-9' \
+        | head -c "$length"
 }
 
 reset_webbasepath() {
-- 
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