January 2006
Beginner
182 pages
5h 15m
English
Content preview from Perfect Passwords: Selection, Protection, Authentication
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Is Random
Really Random?
Solutions in this chapter:
■
Randomness
■
Compensating for Lack of
Randomness
Chapter 3
23
342_PSWRD_03.qxd 11/25/05 4:55 PM Page 23
Randomness
Password security essentially revolves around one basic strategy: creating a
password that no one else can predict (or guess) within a reasonable amount
of time, and then changing it regularly to continually make it difficult to
predict.
It is not easy to “intentionally” be unpredictable. Human beings have to
struggle to be random and sometimes in the process end up being even more
predictable ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.