证书路径处理是实现Internet 公钥基础设施中安全认证的重要技术。建立在公钥 基础设施上的用户只有通过有效的证书路径才能获得有效的公钥证书。基于分流算法的 思想理论,提出了公钥基础设施中证书路径的构造算法,并讨论了算法的有效性。 关键词:认证机构; 公钥基础设施; 证书路径构造 Abstract: Certificates path processing is an important technology to realize security authenticating in Internet public key infrastructure .The users based on public key infrastructure get valid public key certificates only by valid certificates path .The algorithm for certificates path construction is proposed based on the theory of diffluent path,and the efficiency of this algorithm is discussed. Key words: Certificate authority;Public key infrastructure;Certificate path construction