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/*
* @ test
* @ bug 6231216
* @ summary Verify key wrapping ( of extractable keys ) works for RSA / PKCS1
* @ author Andreas Sterbenz
* @ library / test / lib . .
* @ key randomness
* @ modules jdk . crypto . cryptoki
* @ run main / othervm KeyWrap
* @ run main / othervm - Djava . security . manager = allow KeyWrap sm
*/
import java.security.GeneralSecurityException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.Provider;
import java.security.PublicKey;
import java.util.Random;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
public class KeyWrap extends PKCS11Test {
@Override
public void main(Provider p) throws Exception {
try {
Cipher.getInstance("RSA/ECB/PKCS1Padding" , p);
} catch (GeneralSecurityException e) {
System.out.println("Not supported by provider, skipping" );
return ;
}
KeyPair kp;
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA" , p);
kpg.initialize(512 );
kp = kpg.generateKeyPair();
} catch (Exception e) {
try {
System.out.println("Could not generate KeyPair on provider " + p + ", trying migration" );
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA" );
kpg.initialize(512 );
kp = kpg.generateKeyPair();
KeyFactory kf = KeyFactory.getInstance("RSA" , p);
PublicKey pub = (PublicKey)kf.translateKey(kp.getPublic());
PrivateKey priv = (PrivateKey)kf.translateKey(kp.getPrivate());
kp = new KeyPair(pub, priv);
} catch (NoSuchAlgorithmException | InvalidKeyException ee) {
ee.printStackTrace();
System.out.println("Provider does not support RSA, skipping" );
return ;
}
}
System.out.println(kp);
Random r = new Random();
byte [] b = new byte [16 ];
r.nextBytes(b);
String alg = "AES" ;
SecretKey key = new SecretKeySpec(b, alg);
Cipher c = Cipher.getInstance("RSA/ECB/PKCS1Padding" , p);
// Cipher c = Cipher.getInstance("RSA/ECB/PKCS1Padding");
c.init(Cipher.WRAP_MODE, kp.getPublic());
byte [] wrapped = c.wrap(key);
System.out.println("wrapped: " + wrapped.length);
c.init(Cipher.UNWRAP_MODE, kp.getPrivate());
Key unwrapped = c.unwrap(wrapped, alg, Cipher.SECRET_KEY);
System.out.println("unwrapped: " + unwrapped);
boolean eq = key.equals(unwrapped);
System.out.println(eq);
if (eq == false ) {
throw new Exception("Unwrapped key does not match original key" );
}
}
public static void main(String[] args) throws Exception {
main(new KeyWrap(), args);
}
}
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