ExportPublicKey.java

Example of generating an asymmetric key and extracting the public part.

See Note on examples.

package doxy.examples;
 
import br.com.trueaccess.TacException;
import br.com.trueaccess.TacNDJavaLib;
 
import java.util.Base64;
 
import com.dinamonetworks.Dinamo;
 
public class ExportPublicKey {
 
    static String ipHSM = "127.0.0.1";
    static String usr_admin = "master";
    static String pass_admin = "12345678";
    static String keyName = "rsa_key";
 
    public static void main(String[] args) throws TacException {
        Dinamo api = new Dinamo();
 
        System.out.println("--> Login HSM and create RSA KEY with NONEXPORTABLE_KEY param");
        api.openSession(ipHSM, usr_admin, pass_admin);
 
        System.out.println("--> Create key");
        api.createKey(keyName, TacNDJavaLib.ALG_RSA_2048, TacNDJavaLib.NONEXPORTABLE_KEY);
 
        System.out.println("--> Export a public key correspondent in DER format");
        byte[] publicKey = api.exportKey(keyName, TacNDJavaLib.PUBLICKEY_BLOB);
 
        System.out.println("--> Delete key");
        api.deleteKey(keyName);
 
        System.out.println("Result--> " + new String(Base64.getEncoder().encode(publicKey));
        api.closeSession();
 
        System.out.println("The process ended successfully");
    }
}