Autonomous management method, system and equipment for public key certificate

Example discloses an autonomous public key certificate management method, system and apparatus of the present invention comprises a plurality of network nodes used in a system, the system also includes off-line management device, the method comprising the steps of: the network node offline management is carried out by the device authentication; network node identity authentication request to the management device for which the certificate was issued offline stub; the network node stub generator public key certificate based on the certificate issued by the offline management device. Embodiments of the present invention, in a distributed and autonomous environment, give full consideration to a temporary network and application-oriented properties without fixed support online trusted third party autonomy node public key certificate generation, distribution, verification, refresh and undone.