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*
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* 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
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/*
* @test
* @bug 8001596
* @summary Incorrect condition check in PBKDF2KeyImpl.java
*/
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.lang.reflect.*;
public class NegativeLength {
public static void main(String[] args) throws Exception {
SecretKeyFactory skf = SecretKeyFactory.getInstance(
"PBKDF2WithHmacSHA1", "SunJCE");
// Create a valid PBEKeySpec
PBEKeySpec pbeks = new PBEKeySpec(
new char['p'], new byte[1], 1024, 8);
// Use reflection to set it negative.
Class c = pbeks.getClass();
Field f = c.getDeclaredField("keyLength");
f.setAccessible(true);
f.setInt(pbeks, -8);
System.out.println("pbeks.getKeyLength(): " + pbeks.getKeyLength());
try {
// A negative length is clearly wrong, we should get a
// InvalidKeySpecException. Anything else is wrong.
skf.generateSecret(pbeks);
throw new Exception("We shouldn't get here.");
} catch (InvalidKeySpecException ike) {
// swallow, this is the exception we want.
System.out.println("Test Passed.");
}
}
}