Abstract:

Geographic information is the basic and strategic resource of national security. Due to the consideration of national security, it is necessary to protect geographic information strictly. The development of geographic information security encryption system can manage and control the geographic information data security. Taking the production of census data of geographical conditions in Binyang County as an example, safety management of the distribution, use, production about geographical information data is achieved using encryption systems.

Key words: geographic information security, encryption system, geographic conditions survey