1·The mechanical parts act in such a way as to form a varying electrical circuit - the actual encipherment of a letter is performed electrically.
机械的部件以这样的方式动作形成一条多样化的电子回路- - -以电力执行实际加密程序的字母。
2·The random number generator, the encipherment scheme of the dynamic password and the fingerprint sequence are designed. And the performance and security of the authentication system are analysed.
研究动态口令随机数生成器、动态口令及指纹序列的加密方案的设计，并对认证系统的性能和安全性进行分析。