Aiming at the problems of low efficiency, easily forgotten and stolen authentication of traditional operating system password authentication scheme, based on the finger vein recognition technology, by utilizing the features of non-contact, liveliness, high adaptability and high security, modifying the original code of open source project SDDM and using PAM authentication mechanism, a secure and reliable identity authentication system is designed on Space OS platform. The experimental result shows that the Space OS authentication system using finger vein recognition technology as authentication mode can run on Space OS for a long time and without fault, whose finger vein recognition has high pass rate and low false accept rate, and has good stability and higher security.
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