GenerateMACLAU.java

Example of using HMAC generation with Swift Local Authentication (LAU).

See Note on examples.

package doxy.examples;
 
import com.dinamonetworks.Dinamo;
 
import br.com.trueaccess.TacException;
import br.com.trueaccess.TacNDJavaLib;
 
public class GenerateMACLAU {
    private static String strAddr   = "127.0.0.1";
    private static String strUsrId  = "master";
    private static String strPwd    = "12345678";
    private static String hmacKeyName   = "hmac_key";
 
 public static void main(String[] args) throws TacException {
 
        Dinamo api = new Dinamo();
 
        System.out.println("--> Login HSM");
        api.openSession(strAddr, strUsrId, strPwd);
        
        System.out.println("--> Create a HMAC key");
        String hmac256KeyString = "LEFTLAUCSHARPNETRIGHTLAUSWIFTRJE";
        api.importKey(hmacKeyName, TacNDJavaLib.PLAINTEXTKEY_BLOB,
                TacNDJavaLib.ALG_HMAC_SHA2_256, hmac256KeyString.getBytes(), true);
 
        String message = "{1:F01BANKAEBBAXXX0004000001}{2:I999BANKAEBBXXXXN}{4:\r\n" +
                ":20:LAUTEST1\r\n" +
                ":79:THIS IS EXAMPLE1 FOR LAU TEST RJE CSHARP\r\n" +
                "-}";
 
        System.out.println("--> Generate HMAC in one operation");
        byte[] mac = api.generateMAC(TacNDJavaLib.ALG_HMAC_SHA2_256,
                                    hmacKeyName,
                                    message.getBytes());
 
        System.out.println("--> Delete HMAC key");
        api.deleteKey(hmacKeyName);
 
        api.closeSession();
 
        System.out.println("The process ended sucessfully");
    }
 
}