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/*
* Copyright (c) 2004, 2024, 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 4953556 8210838 8248268
* @summary ensure that IllegalStateException is thrown if the
* Cipher object is initialized with a wrong mode, e.g. WRAP_MODE
* for update()/doFinal() calls.
* @author Valerie Peng
*/
import java.security.*;
import java.security.spec.*;
import java.util.Arrays;
import javax.crypto.*;
import javax.crypto.spec.SecretKeySpec;
public class TestCipherMode {
private static final String[] TRANSFORMATIONS = {
"DES/ECB/PKCS5Padding", // CipherCore
"AES/GCM/NoPadding", // GaloisCounterMode
"AES/KW/NoPadding", // KeyWrapCipher
"AES/KW/PKCS5Padding", // KeyWrapCipher
"AES/KWP/NoPadding", // KeyWrapCipher
"RSA/ECB/NoPadding", // RSACipher
"DESedeWrap/CBC/NoPadding", // DESedeWrapCipher
"ChaCha20-Poly1305", // ChaCha20Cipher
};
private static final byte[] BYTES32 =
Arrays.copyOf(TRANSFORMATIONS[0].getBytes(), 32);
private static final SecretKey DES_KEY =
new SecretKeySpec(BYTES32, 0, 8, "DES");
private static final SecretKey AES_KEY =
new SecretKeySpec(BYTES32, 0, 16, "AES");
private static enum CipherMode {
ENCRYPT(Cipher.ENCRYPT_MODE),
DECRYPT(Cipher.DECRYPT_MODE),
WRAP(Cipher.WRAP_MODE),
UNWRAP(Cipher.UNWRAP_MODE),
NONEXISTENT(100);
int value;
CipherMode(int value) {
this.value = value;
}
}
private static Key getKey(String t, CipherMode m)
throws NoSuchAlgorithmException, NoSuchProviderException {
Key key;
String algo = t.split("/")[0];
switch (algo) {
case "AES":
key = AES_KEY;
break;
case "RSA":
KeyPairGenerator kpg = KeyPairGenerator.getInstance(algo);
KeyPair kp = kpg.generateKeyPair();
key = ((m == CipherMode.ENCRYPT || m == CipherMode.UNWRAP)?
kp.getPrivate() : kp.getPublic());
break;
case "ChaCha20-Poly1305":
key = new SecretKeySpec(BYTES32, 0, 32, "ChaCha20");
break;
case "DES":
key = new SecretKeySpec(BYTES32, 0, 8, algo);
break;
case "DESedeWrap":
key = new SecretKeySpec(BYTES32, 0, 24, "DESede");
break;
default:
throw new RuntimeException("Unknown transformation: " + t);
}
return key;
}
public static void main(String[] argv) throws Exception {
TestCipherMode test = new TestCipherMode(
System.getProperty("test.provider.name", "SunJCE"),
TRANSFORMATIONS);
System.out.println("All Tests Passed");
}
private Cipher c = null;
private SecretKey key = null;
private TestCipherMode(String provName, String... transformations)
throws Exception {
System.out.println("Testing " + provName);
for (String t : transformations) {
for (CipherMode m : CipherMode.values()) {
checkMode(t, m, provName);
}
}
}
private void checkMode(String t, CipherMode mode, String provName)
throws Exception {
Cipher c = Cipher.getInstance(t, provName);
Key key = getKey(t, mode);
System.out.println(c.getAlgorithm() + " with " + mode.name());
try {
c.init(mode.value, key, c.getParameters());
if (mode == CipherMode.NONEXISTENT) {
throw new Exception("ERROR: should throw IPE for init()");
}
} catch (UnsupportedOperationException uoe) {
// some may not support wrap/unwrap or enc/dec
if (mode != CipherMode.NONEXISTENT) {
System.out.println("Expected UOE thrown with init()");
return;
}
throw uoe;
} catch (InvalidParameterException ipe) {
if (mode == CipherMode.NONEXISTENT) {
System.out.println("=> expected IPE thrown for init()");
return;
}
throw ipe;
}
switch (mode) {
case ENCRYPT:
case DECRYPT:
// call wrap()/unwrap() and see if ISE is thrown.
try {
c.wrap(key);
throw new Exception("ERROR: should throw ISE for wrap()");
} catch (IllegalStateException ise) {
System.out.println("=> expected ISE thrown for wrap()");
}
try {
c.unwrap(new byte[16], key.getAlgorithm(), Cipher.SECRET_KEY);
throw new Exception("ERROR: should throw ISE for unwrap()");
} catch (IllegalStateException ise) {
System.out.println("=> expected ISE thrown for unwrap()");
}
break;
case WRAP:
case UNWRAP:
try {
c.update(new byte[16]);
throw new Exception("ERROR: should throw ISE for update()");
} catch (IllegalStateException ise) {
System.out.println("=> expected ISE thrown for update()");
}
try {
c.doFinal();
throw new Exception("ERROR: should throw ISE for doFinal()");
} catch (IllegalStateException ise) {
System.out.println("=> expected ISE thrown for doFinal()");
}
break;
}
}
}
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