Device-fingerprint-based network management message authentication and encryption scheme

The invention relates to a device-fingerprint-based network management message authentication and encryption scheme, and belongs to the technical field of network security. A user password is protected by utilizing a device fingerprint, a new local key is generated by a message digest algorithm, and the scheme is used for the authentication and encryption of a network management message. In a message authentication process, the new local key is used for calculating a message verification code for the message to finish message signature authentication. In a message encryption process, the new local key is used for encrypting a message data unit to protect communication privacy. By the local key calculated and generated by the scheme, the network management message authentication and encryption processes are safe and reliable, and the requirements of a fusion network on device management and message communication security are met.