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/*
* Copyright (c) 2003, 2012, 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 4925866
* @summary ensures various salt lengths can be used for
* HmacPBESHA1.
* @author Valerie Peng
* @key randomness
*/
import java.io.*;
import java.util.*;
import java.security.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import javax.crypto.interfaces.PBEKey;
public class HmacSaltLengths {
private static final String[] ALGOS = {
"HmacPBESHA1",
"PBEWithHmacSHA1",
"PBEWithHmacSHA224",
"PBEWithHmacSHA256",
"PBEWithHmacSHA384",
"PBEWithHmacSHA512"
};
private static void runTest(String alg, byte[] plaintext,
char[] password, Provider p)
throws Exception {
Mac mac = Mac.getInstance(alg, p);
PBEKeySpec pbeKeySpec = new PBEKeySpec(password);
SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBE", p);
SecretKey key = keyFac.generateSecret(pbeKeySpec);
System.out.println("testing parameters with 4-byte salt...");
PBEParameterSpec pbeParamSpec = new PBEParameterSpec
(new byte[4], 1024);
try {
mac.init(key, pbeParamSpec);
throw new Exception("ERROR: should throw IAPE for short salts");
} catch (InvalidAlgorithmParameterException iape) {
// expected; do nothing
}
System.out.println("testing parameters with 8-byte salt...");
pbeParamSpec = new PBEParameterSpec(new byte[8], 1024);
mac.init(key, pbeParamSpec);
mac.doFinal(plaintext);
System.out.println("testing parameters with 20-byte salt...");
pbeParamSpec = new PBEParameterSpec(new byte[20], 1024);
mac.init(key, pbeParamSpec);
mac.doFinal(plaintext);
System.out.println("testing parameters with 30-byte salt...");
pbeParamSpec = new PBEParameterSpec(new byte[30], 1024);
mac.init(key, pbeParamSpec);
mac.doFinal(plaintext);
System.out.println("passed: " + alg);
}
public static void main(String[] argv) throws Exception {
byte[] input = new byte[1024];
new SecureRandom().nextBytes(input);
char[] PASSWD = { 'p','a','s','s','w','o','r','d' };
long start = System.currentTimeMillis();
Provider p = Security.getProvider("SunJCE");
System.out.println("Testing provider " + p.getName() + "...");
for (String algo : ALGOS) {
runTest(algo, input, PASSWD, p);
}
System.out.println("All tests passed");
long stop = System.currentTimeMillis();
System.out.println("Done (" + (stop - start) + " ms).");
}
}
class MyPBEKey implements PBEKey {
char[] passwd;
byte[] salt;
int iCount;
MyPBEKey(char[] passwd, byte[] salt, int iCount) {
this.passwd = passwd;
this.salt = salt;
this.iCount = iCount;
}
public char[] getPassword() { return passwd; }
public byte[] getSalt() { return salt; }
public int getIterationCount() { return iCount; }
public String getAlgorithm() { return "PBE"; }
public String getFormat() { return "RAW"; }
public byte[] getEncoded() { return null; }
}
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