code: public static void decryptAsync(String encrypted, String password, RNCryptorNativeCallback RNCryptorNativeCallback) {
          String decrypted;
          try {
              decrypted = new RNCryptorNative().decrypt(encrypted, password);
              RNCryptorNativeCallback.done(decrypted, null);
          } catch (Exception e) {
              RNCryptorNativeCallback.done(null, e);
          }
      }
docs: Decrypts encrypted base64 string and returns via callback
  @param encrypted base64 string
  @param password strong generated password
  @param RNCryptorNativeCallback just a callback