openjdk/test/jdk/javax/crypto/Cipher/TestEmptyModePadding.java
Varada M 3ff83ec49e 8358159: Empty mode/padding in cipher transformations
Reviewed-by: amitkumar, valeriep
2025-06-10 08:17:52 +00:00

57 lines
2.2 KiB
Java

/*
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* Copyright (c) 2025 IBM Corporation. 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
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* 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.
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/*
* @test
* @bug 8358159
* @summary test that the Cipher.getInstance() handles
* transformations with empty mode and/or padding
* @run main TestEmptyModePadding
*/
import java.security.*;
import javax.crypto.*;
public class TestEmptyModePadding {
public static void main(String[] args) throws Exception {
Provider provider = Security.getProvider(System.getProperty("test.provider.name", "SunJCE"));
test("AES", provider);
test("AES/ECB/PKCS5Padding", provider);
test("AES//PKCS5Padding", provider); // Empty mode
test("AES/CBC/", provider); // Empty padding
test("AES/ /NoPadding", provider); // Mode is a space
test("AES/CBC/ ", provider); // Padding is a space
test("AES/ / ", provider); // Both mode and padding are spaces
test("AES//", provider); // Both mode and padding are missing
}
private static void test(String transformation, Provider provider) throws Exception {
Cipher c = Cipher.getInstance(transformation, provider);
}
}