The design of an identification authentication system was introduced based on Combined Public Key (CPK), and a combination of mapping algorithm and key management of multi-scope was given.

• 摘要介绍了一种基于组合公钥(CPK)算法的标识认证系统的设计，给出了一种组合映射算法和多作用域密钥管理的具体实现方法。