unset($block);

Optional but increase quality Score
terrafrost · Dec 4, 2024 · 80c7ee9 · 80c7ee9
1 parent 0efd317
commit 80c7ee9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/phpseclib/Crypt/Salsa20.php b/phpseclib/Crypt/Salsa20.php
@@ -326,7 +326,7 @@ private function crypt($text, $mode)
             foreach ($blocks as &$block) {
                 $block ^= static::salsa20($this->p1 . pack('V', $i++) . $this->p2);
             }
-
+            unset($block);
             return implode('', $blocks);
         }
 
@@ -366,6 +366,7 @@ private function crypt($text, $mode)
                     foreach ($blocks as &$block) {
                         $block ^= static::salsa20($this->p1 . pack('V', $buffer['counter']++) . $this->p2);
                     }
+                    unset($block);
                 }
                 $encrypted = implode('', $blocks);
                 $temp = static::salsa20($this->p1 . pack('V', $buffer['counter']++) . $this->p2);
@@ -388,6 +389,7 @@ private function crypt($text, $mode)
                 foreach ($blocks as &$block) {
                     $block ^= static::salsa20($this->p1 . pack('V', $buffer['counter']++) . $this->p2);
                 }
+                unset($block);
                 $ciphertext .= implode('', $blocks);
             }
         }