/* * Copyright (c) 2018, 2020, 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.
*/ import java.security.*; import java.security.interfaces.*; import java.security.spec.*; import java.util.Arrays; import java.util.stream.IntStream; import jdk.test.lib.SigTestUtil; importstatic jdk.test.lib.SigTestUtil.SignatureType; importstatic javax.crypto.Cipher.PRIVATE_KEY; importstatic javax.crypto.Cipher.PUBLIC_KEY;
/** * @test * @bug 8146293 8238448 * @summary Create a signature for RSASSA-PSS and get its signed data. * re-initiate the signature with the public key. The signature * can be verified by acquired signed data. * @library /test/lib * @build jdk.test.lib.SigTestUtil * @run main SignatureTestPSS 512 * @run main SignatureTestPSS 768 * @run main SignatureTestPSS 1024 * @run main SignatureTestPSS 1025 * @run main SignatureTestPSS 2048 * @run main SignatureTestPSS 2049 * @run main/timeout=240 SignatureTestPSS 4096 * @run main/timeout=240 SignatureTestPSS 5120 * @run main/timeout=480 SignatureTestPSS 6144
*/ publicclass SignatureTestPSS { /** * ALGORITHM name, fixed as RSASSA-PSS.
*/ privatestaticfinal String KEYALG = SignatureType.RSASSA_PSS.toString();
privatestaticvoid checkSignature(byte[] data, PublicKey pub,
PrivateKey priv, String mdAlg) throws NoSuchAlgorithmException,
InvalidKeyException, SignatureException, NoSuchProviderException,
InvalidAlgorithmParameterException {
System.out.println("Testing against " + mdAlg);
Signature sig = Signature.getInstance
(SignatureType.RSASSA_PSS.toString(), PROVIDER);
AlgorithmParameterSpec params =
SigTestUtil.generateDefaultParameter(SignatureType.RSASSA_PSS, mdAlg);
sig.setParameter(params);
sig.initSign(priv); for (int i = 0; i < UPDATE_TIMES_HUNDRED; i++) {
sig.update(data);
} byte[] signedData = sig.sign();
// Make sure signature verifies with original data // do we need to call sig.setParameter(params) again?
sig.initVerify(pub); for (int i = 0; i < UPDATE_TIMES_HUNDRED; i++) {
sig.update(data);
} if (!sig.verify(signedData)) { thrownew RuntimeException("Failed to verify signature");
}
// Make sure signature does NOT verify when the original data // has changed
sig.initVerify(pub); for (int i = 0; i < UPDATE_TIMES_FIFTY; i++) {
sig.update(data);
}
if (sig.verify(signedData)) { thrownew RuntimeException("Failed to detect bad signature");
}
}
}
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