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/*
* Copyright (c) 2022, 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
* @key randomness
* @bug 8292158
* @summary AES-CTR cipher state corruption with AVX-512
* @library /test/lib /
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
*
* @run main/othervm -Xbatch
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
* compiler.codegen.aes.Test8292158
*/
package compiler.codegen.aes;
import java.util.Arrays;
import java.util.Random;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import compiler.whitebox.CompilerWhiteBoxTest;
import jdk.test.lib.Utils;
import sun.hotspot.code.Compiler;
import jtreg.SkippedException;
public class Test8292158 {
private static final String ALGO = "AES/CTR/NoPadding";
private static final int LOOPS = 100000;
private static final int LEN = 15;
public static void main(String[] args) throws Exception {
if (!Compiler.isIntrinsicAvailable(CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION, "com.sun.crypto.provider.CounterMode", "implCrypt", byte[].class, int.class, int.class, byte[].class, int.class)) {
throw new SkippedException("AES-CTR intrinsic is not available");
}
Random random = Utils.getRandomInstance();
byte[] keyBytes = new byte[32];
random.nextBytes(keyBytes);
SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
byte[] ivBytes = new byte[16];
random.nextBytes(ivBytes);
IvParameterSpec iv = new IvParameterSpec(ivBytes);
Cipher encryptCipher = Cipher.getInstance(ALGO);
Cipher decryptCipher = Cipher.getInstance(ALGO);
encryptCipher.init(Cipher.ENCRYPT_MODE, key, iv);
decryptCipher.init(Cipher.DECRYPT_MODE, key, iv);
byte[] original = new byte[LEN];
byte[] encrypted = new byte[LEN];
byte[] decrypted = new byte[LEN];
for (int i = 0; i < LOOPS; i++) {
random.nextBytes(original);
encryptCipher.doFinal(original, 0, LEN, encrypted);
// Cipher must be used at least 3 times
decryptCipher.update(encrypted, 0, 1, decrypted, 0);
decryptCipher.update(encrypted, 1, 1, decrypted, 1);
decryptCipher.doFinal(encrypted, 2, LEN - 2, decrypted, 2);
if (!Arrays.equals(original, decrypted)) {
throw new Exception("array mismatch");
}
}
}
}
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