diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/sodium_compat/src/Core/Util.php
--- a/wp/wp-includes/sodium_compat/src/Core/Util.php	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/sodium_compat/src/Core/Util.php	Fri Sep 05 18:52:52 2025 +0200
@@ -9,6 +9,8 @@
  */
 abstract class ParagonIE_Sodium_Core_Util
 {
+    const U32_MAX = 0xFFFFFFFF;
+
     /**
      * @param int $integer
      * @param int $size (16, 32, 64)
@@ -34,6 +36,28 @@
     }
 
     /**
+     * @param string $a
+     * @param string $b
+     * @return string
+     * @throws SodiumException
+     */
+    public static function andStrings($a, $b)
+    {
+        /* Type checks: */
+        if (!is_string($a)) {
+            throw new TypeError('Argument 1 must be a string');
+        }
+        if (!is_string($b)) {
+            throw new TypeError('Argument 2 must be a string');
+        }
+        $len = self::strlen($a);
+        if (self::strlen($b) !== $len) {
+            throw new SodiumException('Both strings must be of equal length to combine with bitwise AND');
+        }
+        return $a & $b;
+    }
+
+    /**
      * Convert a binary string into a hexadecimal string without cache-timing
      * leaks
      *