September 2015
Intermediate to advanced
608 pages
21h 29m
English
Content preview from Santos:CCNA Sec 210-260 OCG
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Block and Stream Ciphers
Encryption algorithms can operate on blocks of data at a time, or bits and bytes of data, based on the type of cipher. Let’s compare the two methods.
Block Ciphers
A block cipher is a symmetric key (same key to encrypt and decrypt) cipher that operates on a group of bits called a block. A block cipher encryption algorithm may take a 64-bit block of plain text and generate a 64-bit block of cipher text. With this type of encryption, the same key to encrypt is also used to decrypt. Examples of symmetrical block cipher algorithms include the following:
Advanced Encryption Standard (AES)
Triple Digital Encryption Standard ...
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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.