Research design of user management and data safe and keeping secrecy in PDM system
Yong Ma · Machinery Design and Manufacture · 2005
PDM is just a technology of with rapid development. a object - oriented electric vault, and integrate whole information about productlifetime, User authority model was put forward in the paper, which adopts the thougat of user indication and differentiation to manage PDM user, and implement policy of parting authority management; and design thonghts of data safe and keeping secrecy is put forward, that is all module to need functions of security and keeping secret prosecute serial number.