HmacTest.java

package org.keycloak.models;

import org.junit.Assert;
import org.junit.Test;
import org.keycloak.models.utils.Base32;
import org.keycloak.models.utils.HmacOTP;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.BufferedReader;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.Scanner;

/**
 * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
 * @version $Revision: 1 $
 */
public class HmacTest {

    @Test
    public void testHmac() throws Exception {
        HmacOTP hmacOTP = new HmacOTP(6, HmacOTP.HMAC_SHA1, 10);
        String secret = "JNSVMMTEKZCUGSKJIVGHMNSQOZBDA5JT";
        String decoded = new String(Base32.decode(secret));
        System.out.println(hmacOTP.generateHOTP(decoded, 0));
        System.out.println(hmacOTP.validateHOTP("550233", decoded, 0));
        Assert.assertEquals(1, hmacOTP.validateHOTP("550233", decoded, 0));
    }
}