public static void main(String[] args) {
        // TODO code application logic here
        try{
            byte s_mes[] = new byte[255];
            byte e_mes[] = new byte[255];
            String a = new String();
            a = "Hello World";
            s_mes = a.getBytes();
            OID keyOid = new OID("1.2.643.2.2.19");
            KeyGenerator kg = KeyGenerator.getInstance("GOST28147");
            ParamsInterface cryptParams = AlgIdSpec.getDefaultCryptParams();
            AlgIdSpec keyParams1 = new AlgIdSpec(keyOid);
            kg.init(keyParams1);
            kg.init(cryptParams);
            Cipher cipher = Cipher.getInstance("GOST28147/CBC/PKCS5_PADDING");
            SecretKey key = kg.generateKey();
            cipher.init(Cipher.ENCRYPT_MODE, key);
            e_mes = cipher.update(s_mes);
            System.out.println("Message: "+s_mes);
            System.out.println("Encrypted message: "+e_mes);
            byte[] iv = cipher.getIV();
            IvParameterSpec spec = new IvParameterSpec(iv);
            cipher.init(Cipher.DECRYPT_MODE, key, spec);
            }catch(NoSuchAlgorithmException nsa){
                System.err.println(nsa);
            }catch(NoSuchPaddingException nsp){
                System.err.println(nsp);
            }catch(InvalidKeyException ike){
                System.err.println(ike);
            }catch(InvalidAlgorithmParameterException iape){
                System.err.println(iape);
            }catch(UnsupportedOperationException uoe){
                System.err.println(uoe);
            }


    }

Exception in thread "main" java.lang.UnsupportedOperationException
        at javax.crypto.CipherSpi.engineGetKeySize(DashoA13*..)
        at javax.crypto.Cipher.b(DashoA13*..)
        at javax.crypto.Cipher.a(DashoA13*..)
        at javax.crypto.Cipher.a(DashoA13*..)
        at javax.crypto.Cipher.a(DashoA13*..)
        at javax.crypto.Cipher.init(DashoA13*..)
        at javax.crypto.Cipher.init(DashoA13*..)
        at crypting_console.Main.main(Main.java:49)
Java Result: 1