简要介绍了 “软件人”的概念、其安全性问题以及几种安全认证技术,并且提出了基于公钥密码体制的“软件人”系统的安全认证方案。文中详细介绍了安全认证方案中的关键算法——RSA 算法的一种实现,并分析了其安全性。 关键词:软件人(SoftMan);安全认证;公钥密码体制;RSA Abstract: The synopsis introduced concept of "SoftMan", its safety problem and several security authentication method. And put forward a security authentication scheme for the "SoftMan" system on the base of the public encryption system. Detailed introduced a kind of realization of the key algorithm — — RSA algorithm within security authentication scheme, and analyzed its safety. Keyword: SoftMan; security authentication; public encryption system; RSA