2results about How to "Implement two-way authentication" patented technology

The application discloses a kind of lightweight multi-user multi-factor two-way authentication registration method, belong to network security technical field.It includes: each user equipment collects biological characteristics, generates biological characteristic key and public parameter;Each user equipment initiates registration to authentication gateway, and carries out the registration between user equipment;User equipment carries out the transmission of hash operation message authentication code between, realizes the verification between users;First user equipment selects a random number, calculates the value for verification, and sends to authentication gateway;Authentication gateway solves out random number, carries out preliminary verification to each user equipment;Select one of challenge response pair from the registered data, calculate the value for verification, and send to the nth user equipment;User equipment n calculates the value for verification, and sends to authentication gateway;Authentication gateway calculates verification value, completes two-way verification.The application realizes that user equipment is authenticated to authentication gateway two-way, and enhances the security of user authentication.

This invention discloses a method for stability analysis of base stations in a reservoir dam safety monitoring and control network. Addressing the shortcomings of existing technologies, such as lack of physical modeling, low signal separation accuracy, and incomplete interference removal, this method obtains millimeter-level coordinate time series through GNSS raw data preprocessing; it finely eliminates non-tidal atmospheric / oceanic loads and non-hydrological interferences such as the thermal expansion effect of observation piers and bedrock; it constructs a hydrological load model based on reservoir contour, water level, and rock mass parameters, and verifies it through both finite element simulation and a half-space elastic model; it employs a VBPCA-FastICA combined algorithm to accurately extract hydrological load signals; and it completes a quantitative stability evaluation by combining short-time repeatability, station velocity, and residual RMS multi-dimensional indicators. This invention achieves bidirectional verification of hydrological load physical forward modeling and observation data, accurately distinguishes between tectonic and hydrological non-tectonic displacements, significantly improves signal separation and stability assessment accuracy, and is suitable for reservoir dam hydrological-dominant monitoring scenarios. It can be used for stability determination and control network optimization of base stations in large-scale water conservancy projects.