EncDecRaw.java

Example of RSA encryption and decryption in RAW mode.

See Note on examples.

package doxy.examples;
 
import java.util.Arrays;
 
import com.dinamonetworks.Dinamo;
 
import br.com.trueaccess.TacException;
import br.com.trueaccess.TacNDJavaLib;
 
public class EncDecRaw {
    public static void main(String[] args) throws TacException {
        Dinamo api = new Dinamo();
 
        api.openSession("127.0.0.1", "master", "12345678", false);
 
        byte clearText[] =
        {
            (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78,
            (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78, (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78, (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78, (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78,
            (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78, (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78, (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78, (byte)0x12, (byte)0x34, (byte)0x56, (byte)0x78,
        } ;
 
        String keyId = "rsa";
        String pubKeyId = "pubrsa";
 
        api.createKey(keyId, TacNDJavaLib.ALG_RSA_2048);
 
        byte[] encBlock = api.encrypt(keyId, clearText, TacNDJavaLib.D_FORCE_ACTUAL_RSA);
 
        byte[] publicKey = api.exportKey(keyId, TacNDJavaLib.PUBLICKEY_BLOB);
        api.importKey(  pubKeyId,
                        TacNDJavaLib.PUBLICKEY_BLOB_HSM,
                        TacNDJavaLib.ALG_OBJ_PUBKEY_RSA_BLOB,
                        publicKey,
                        true);
 
        byte[] decBlock = api.decrypt(pubKeyId, encBlock, TacNDJavaLib.D_FORCE_ACTUAL_RSA);
 
        if(Arrays.equals(clearText, decBlock))
        {
            System.out.println("OK!");
        }
        else
        {
            System.out.println("Invalid arrays!");
        }
 
        api.deleteKey(keyId);
        api.deleteKey(pubKeyId);
        
        api.closeSession();
    }
}