随着信息技术的发展,口令作为现代人必不可少的一种身份证明,已被广泛地应用于多种业务。然而,现行的通用口令体系却存在着一些不可避免的缺憾。该文首先分析了Internet上的不安全因素,然后对信息加密策略和现行口令机制予以分析,在此基础上提出了一种基于时间的一次一密口令的实现模型,最后对此模型和现行口令机制进行比较。 With the development of information technology, passwords, as an indispensable proof of identity for modern people, have been widely used in many kinds of businesses. However, there are some unavoidable shortcomings in the current universal password system. This paper firstly analyzes the insecure factors on the Internet, and then analyzes the information encryption strategy and the current password mechanism. Based on this, a time-based implementation model of a one-time password is proposed. Finally, the model and the current password Mechanism to compare.