code: public boolean isHashEquals(byte[] expectedSignature, BuilderMode builderMode) {
          final byte[] signature = build(builderMode);
          return MessageDigest.isEqual(signature, expectedSignature);
      }
docs: 判断期望摘要是否与已构建的摘要相等.
  
  @param expectedSignature
  传入的期望摘要
  @param builderMode
  采用的构建模式
  @return <code>true</code> - 期望摘要与已构建的摘要相等; <code>false</code> -
  期望摘要与已构建的摘要不相等
  @author zhd
  @since 1.0.0