PBEUtilsUnitTestCase.java

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package org.picketlink.test.identity.federation.core.config;

import static org.junit.Assert.assertEquals;

import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;

import org.junit.Test;
import org.picketlink.identity.federation.core.constants.PicketLinkFederationConstants;
import org.picketlink.identity.federation.core.util.PBEUtils;

/**
 * Test the masking of the password using {@code PBEUtils}
 *
 * @author Anil.Saldhana@redhat.com
 * @since May 25, 2010
 */
public class PBEUtilsUnitTestCase {
    @Test
    public void testPBE() throws Exception {
        String pass = "testpass";

        String salt = "18273645";
        int iterationCount = 56;

        String pbeAlgo = PicketLinkFederationConstants.PBE_ALGORITHM;
        SecretKeyFactory factory = SecretKeyFactory.getInstance(pbeAlgo);

        char[] password = "somearbitrarycrazystringthatdoesnotmatter".toCharArray();
        PBEParameterSpec cipherSpec = new PBEParameterSpec(salt.getBytes(), iterationCount);
        PBEKeySpec keySpec = new PBEKeySpec(password);
        SecretKey cipherKey = factory.generateSecret(keySpec);

        String encodedPass = PBEUtils.encode64(pass.getBytes(), pbeAlgo, cipherKey, cipherSpec);

        // Decode the stuff
        cipherKey = factory.generateSecret(keySpec);
        String decodedPass = PBEUtils.decode64(encodedPass, pbeAlgo, cipherKey, cipherSpec);

        assertEquals("Passwords match", pass, decodedPass);
    }
}