September 2015
Intermediate to advanced
608 pages
21h 29m
English
Content preview from Santos:CCNA Sec 210-260 OCG
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Symmetric and Asymmetric Algorithms
As you build your vocabulary, the words symmetric and asymmetric are important ones to differentiate. Let’s look at the options of each and identify which of these requires the most CPU overhead and which one is used for bulk data encryption.
Symmetric
As mentioned previously, a symmetric encryption algorithm, also known as a symmetrical cipher, uses the same key to encrypt the data and decrypt the data. Two devices connected via a VPN both need the key or keys to successfully encrypt and decrypt the data that is protected using a symmetric encryption algorithm. Common examples of symmetric encryption algorithms include the following:
DES
3DES
AES
IDEA
RC2, RC4, RC5, RC6
Blowfish
Symmetrical encryption ...
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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.
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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.