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/*
* Copyright (c) 2011, 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 6994008
* @summary basic test for RSA/ECB/NoPadding cipher
* @author Valerie Peng
* @library /test/lib ..
* @key randomness
* @modules jdk.crypto.cryptoki
* @run main/othervm TestRawRSACipher
* @run main/othervm TestRawRSACipher sm
*/
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Provider;
import java.util.Arrays;
import java.util.Random;
import javax.crypto.Cipher;
public class TestRawRSACipher extends PKCS11Test {
@Override
public void main(Provider p) throws Exception {
try {
Cipher.getInstance("RSA/ECB/NoPadding", p);
} catch (GeneralSecurityException e) {
System.out.println("Not supported by provider, skipping");
return;
}
final int KEY_LEN = 1024;
KeyPairGenerator kpGen = KeyPairGenerator.getInstance("RSA", p);
kpGen.initialize(KEY_LEN);
KeyPair kp = kpGen.generateKeyPair();
Random random = new Random();
byte[] plainText, cipherText, recoveredText;
plainText = new byte[KEY_LEN/8];
random.nextBytes(plainText);
plainText[0] = 0; // to ensure that it's less than modulus
Cipher c1 = Cipher.getInstance("RSA/ECB/NoPadding", p);
Cipher c2 = Cipher.getInstance("RSA/ECB/NoPadding", "SunJCE");
c1.init(Cipher.ENCRYPT_MODE, kp.getPublic());
c2.init(Cipher.DECRYPT_MODE, kp.getPrivate());
cipherText = c1.doFinal(plainText);
recoveredText = c2.doFinal(cipherText);
if (!Arrays.equals(plainText, recoveredText)) {
throw new RuntimeException("E/D Test against SunJCE Failed!");
}
c2.init(Cipher.ENCRYPT_MODE, kp.getPublic());
c1.init(Cipher.DECRYPT_MODE, kp.getPrivate());
cipherText = c2.doFinal(plainText);
recoveredText = c1.doFinal(cipherText);
if (!Arrays.equals(plainText, recoveredText)) {
throw new RuntimeException("D/E Test against SunJCE Failed!");
}
System.out.println("Test Passed");
}
public static void main(String[] args) throws Exception {
main(new TestRawRSACipher(), args);
}
}
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