authentication codes的用法和样例：
例句
- A new construction of authentication codes with arbitration using pseudo-symplectic spaces is described.Some parameters and the probabilities of successful attacks are computed.
给出一种由伪辛几何空间构造带仲裁的认证码的方法，并计算了有关参数，分析了各种攻击成功的概率。 - Single bit and multiple bits diffusion code and the method of constructing authentication code and block cipher used with them is suggested in this paper.
本文提出了单比特和多比特扩散码以及用它们构造认证码和分组密码的方法。
