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/**
* @test
* @bug 4893959
* @summary basic test for HmacPBESHA1
* @author Valerie Peng
*/
import java.io.PrintStream;
import java.util.*;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
public class HmacPBESHA1 {
private static final String MAC_ALGO = "HmacPBESHA1";
private static final String KEY_ALGO = "PBE";
private static final String PROVIDER = "SunJCE";
private SecretKey key = null;
public static void main(String argv[]) throws Exception {
HmacPBESHA1 test = new HmacPBESHA1();
test.run();
System.out.println("Test Passed");
}
public void run() throws Exception {
if (key == null) {
char[] password = { 't', 'e', 's', 't' };
PBEKeySpec keySpec = new PBEKeySpec(password);
SecretKeyFactory kf = SecretKeyFactory.getInstance(KEY_ALGO, PROVIDER);
key = kf.generateSecret(keySpec);
}
Mac mac = Mac.getInstance(MAC_ALGO, PROVIDER);
byte[] plainText = new byte[30];
mac.init(key);
mac.update(plainText);
byte[] value1 = mac.doFinal();
if (value1.length != 20) {
throw new Exception("incorrect MAC output length, " +
"expected 20, got " + value1.length);
}
mac.update(plainText);
byte[] value2 = mac.doFinal();
if (!Arrays.equals(value1, value2)) {
throw new Exception("generated different MAC outputs");
}
}
}