undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/jdk/sun/security/pkcs11/Cipher/ReinitCipher.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2003, 2025, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 4856966
+ * @summary
+ * @author Andreas Sterbenz
+ * @library /test/lib ..
+ * @key randomness
+ * @modules jdk.crypto.cryptoki
+ * @run main/othervm ReinitCipher
+ */
+
+import jtreg.SkippedException;
+
+import java.security.Provider;
+import java.util.Random;
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+
+public class ReinitCipher extends PKCS11Test {
+
+    public static void main(String[] args) throws Exception {
+        main(new ReinitCipher(), args);
+    }
+
+    @Override
+    public void main(Provider p) throws Exception {
+        if (p.getService("Cipher", "ARCFOUR") == null) {
+            throw new SkippedException("Algorithm ARCFOUR is not supported by provider, skipping");
+        }
+        Random random = new Random();
+        byte[] data1 = new byte[10 * 1024];
+        random.nextBytes(data1);
+        byte[] keyData = new byte[16];
+        random.nextBytes(keyData);
+        SecretKeySpec key = new SecretKeySpec(keyData, "ARCFOUR");
+
+        Cipher cipher = Cipher.getInstance("ARCFOUR", p);
+        cipher.init(Cipher.ENCRYPT_MODE, key);
+        cipher.init(Cipher.ENCRYPT_MODE, key);
+        cipher.update(data1);
+        cipher.init(Cipher.ENCRYPT_MODE, key);
+        cipher.update(data1);
+        cipher.doFinal();
+        cipher.doFinal();
+        cipher.update(data1);
+        cipher.doFinal();
+        cipher.init(Cipher.ENCRYPT_MODE, key);
+        cipher.doFinal();
+
+        System.out.println("All tests passed");
+    }
+}