8211049: Second parameter of "initialize" method is not used
Summary: Use the specified random object instead of system default
Reviewed-by: weijun
--- a/src/java.base/share/classes/sun/security/rsa/RSAKeyPairGenerator.java Tue Nov 06 23:03:05 2018 +0100
+++ b/src/java.base/share/classes/sun/security/rsa/RSAKeyPairGenerator.java Wed Nov 07 01:04:26 2018 +0000
@@ -70,7 +70,7 @@
public void initialize(int keySize, SecureRandom random) {
try {
initialize(new RSAKeyGenParameterSpec(keySize,
- RSAKeyGenParameterSpec.F4), null);
+ RSAKeyGenParameterSpec.F4), random);
} catch (InvalidAlgorithmParameterException iape) {
throw new InvalidParameterException(iape.getMessage());
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/rsa/TestKeyPairGeneratorInit.java Wed Nov 07 01:04:26 2018 +0000
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2018, 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 8211049
+ * @summary make sure the supplied SecureRandom object is used
+ */
+
+import java.security.*;
+import java.security.interfaces.*;
+
+public class TestKeyPairGeneratorInit {
+
+ private static class MySecureRandom extends SecureRandom {
+ boolean isUsed = false;
+ public MySecureRandom() {
+ super();
+ }
+
+ public void nextBytes(byte[] bytes) {
+ isUsed = true;
+ super.nextBytes(bytes);
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ KeyPairGenerator kpg =
+ KeyPairGenerator.getInstance("RSA", "SunRsaSign");
+ MySecureRandom rnd = new MySecureRandom();
+ kpg.initialize(2048, rnd);
+ System.out.println("Generate keypair then check");
+ KeyPair kp = kpg.generateKeyPair();
+ if (!rnd.isUsed) {
+ throw new RuntimeException("ERROR: Supplied random not used");
+ } else {
+ System.out.println("=> Test passed");
+ }
+ }
+}