80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
/*
|
|
* Copyright (c) 2006, 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 6457422 6931562 8180570
|
|
* @summary Confirm that plaintext can be encrypted and then decrypted using the
|
|
* RSA cipher in the SunMSCAPI crypto provider. NOTE: The RSA cipher is
|
|
* absent from the SunMSCAPI provider in OpenJDK builds.
|
|
* @requires os.family == "windows"
|
|
*/
|
|
|
|
import javax.crypto.Cipher;
|
|
import java.security.GeneralSecurityException;
|
|
import java.security.KeyPairGenerator;
|
|
import java.security.KeyPair;
|
|
import java.security.Key;
|
|
|
|
public class RSAEncryptDecrypt {
|
|
public static final byte[] PLAINTEXT = {1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6};
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
KeyPairGenerator generator =
|
|
KeyPairGenerator.getInstance("RSA", "SunMSCAPI");
|
|
|
|
KeyPair keyPair = generator.generateKeyPair();
|
|
Key publicKey = keyPair.getPublic();
|
|
Key privateKey = keyPair.getPrivate();
|
|
|
|
Cipher cipher = null;
|
|
|
|
try {
|
|
cipher = Cipher.getInstance("RSA", "SunMSCAPI");
|
|
|
|
} catch (GeneralSecurityException e) {
|
|
System.out.println("Cipher not supported by provider, skipping...");
|
|
return;
|
|
}
|
|
|
|
cipher.init(Cipher.ENCRYPT_MODE, publicKey);
|
|
displayBytes("Plaintext data:", PLAINTEXT);
|
|
byte[] data = cipher.doFinal(PLAINTEXT);
|
|
displayBytes("Encrypted data:", data);
|
|
|
|
cipher.init(Cipher.DECRYPT_MODE, privateKey);
|
|
data = cipher.doFinal(data);
|
|
displayBytes("Decrypted data:", data);
|
|
}
|
|
|
|
private static void displayBytes(String label, byte[] bytes) {
|
|
System.out.println(label + " [length=" + bytes.length + "]");
|
|
for (byte b : bytes) {
|
|
System.out.print("0x" + Integer.toHexString(b & 0xFF) + " ");
|
|
}
|
|
System.out.println();
|
|
}
|
|
}
|