added explicit zero out for temporary PBE keys - relates to github #2143

dghgit · dghgit · commit 3bd752535027 · 2025-08-08T15:08:04.000+10:00
diff --git a/core/src/main/java/org/bouncycastle/util/Arrays.java b/core/src/main/java/org/bouncycastle/util/Arrays.java
@@ -1217,6 +1217,19 @@ public static void clear(long[] data)
         }
     }
 
+    /**
+     * Fill input array by zeros
+     *
+     * @param data input array
+     */
+    public static void clear(char[] data)
+    {
+        if (null != data)
+        {
+            java.util.Arrays.fill(data, (char)0x00);
+        }
+    }
+
     public static boolean isNullOrContainsNull(Object[] array)
     {
         if (null == array)

Original file line number	Diff line number	Diff line change
`@@ -1217,6 +1217,19 @@ public static void clear(long[] data)`
`1217`	`1217`	`}`
`1218`	`1218`	`}`
`1219`	`1219`
	`1220`	`+ /**`
	`1221`	`+ * Fill input array by zeros`
	`1222`	`+ *`
	`1223`	`+ * @param data input array`
	`1224`	`+ */`
	`1225`	`+ public static void clear(char[] data)`
	`1226`	`+ {`
	`1227`	`+ if (null != data)`
	`1228`	`+ {`
	`1229`	`+ java.util.Arrays.fill(data, (char)0x00);`
	`1230`	`+ }`
	`1231`	`+ }`
	`1232`	`+`
`1220`	`1233`	`public static boolean isNullOrContainsNull(Object[] array)`
`1221`	`1234`	`{`
`1222`	`1235`	`if (null == array)`