April 2006
Intermediate to advanced
208 pages
6h 28m
English
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Cryptography Kindergarten 25
saved on disk to reassemble a working private key. If you enter
the wrong passphrase, this private key is wrong and will not
work. Thus, a stolen laptop containing a private key file will be
useless to the person who finds it, unless you save your pass-
phrase in a plain text file somewhere, that is! The only safe place
for your passphrase is in your head.
Choosing a Passphrase
Computers are now so fast that they can crack short passwords
rapidly simply by trying each possible password in quick suc-
cession. This process is called brute forcing. Although you can
use a simple password for a passphrase, doing so consider ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.