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import java.io.Serializable;
import java.security.Security;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SealedObject;
import javax.crypto.SecretKey;
public class MainClass {
public static void main(String args[]) throws Exception {
Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
SecretKey secretKey;
Cipher encrypter, decrypter;
secretKey = KeyGenerator.getInstance("DES").generateKey();
encrypter = Cipher.getInstance("DES");
encrypter.init(Cipher.ENCRYPT_MODE, secretKey);
decrypter = Cipher.getInstance("DES");
decrypter.init(Cipher.DECRYPT_MODE, secretKey);
MyClass cust, unsealed;
SealedObject sealed;
cust = new MyClass();
cust.name = "Paul";
cust.password = "password";
// Seal it, storing it in a SealedObject
sealed = (new SealedObject(cust, encrypter));
// Try unsealing it
String algorithmName = sealed.getAlgorithm();
System.out.println(algorithmName);
unsealed = (MyClass) sealed.getObject(decrypter);
System.out.println("NAME: " + unsealed.name);
System.out.println("PASSWORD: " + unsealed.password);
}
}
class MyClass implements Serializable {
public String name;
public String password;
}
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UseDESToSealAndUnSealObject.zip( 1,198 k)