Tag:Password mechanism

  • A Preliminary Study on the Password Mechanism of Unix BSD Linux


    1. overview Early UNIX systems stored user passwords in a plain-text readable “password file”, which could be intercepted and exposed without the attention of system administrators. It may also be leaked in an accident. Beginning with AT&T UNIX version 6, Thompson et al. decided to adopt a different approach: the U.N.I.X password was encoded by […]