March 2003
Intermediate to advanced
288 pages
6h 25m
English
book
IPSec: The New Security Standard for the Internet, Intranets, and Virtual Private Networks, Second Edition
by Naganand Doraswamy, Dan Harkins
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Chapter 5. The Encapsulating Security Payload (ESP)
The Encapsulating Security Payload (ESP) is a protocol header inserted into an IP datagram to provide confidentiality, data origin authentication, antireplay, and data integrity services to IP. ESP may be applied in different modes in which it is inserted between the IP header and the upper-layer protocol header (e.g., a TCP or UDP header) or it may be used to encapsulate an entire IP datagram.
ESP provides confidentiality with an encryptor and data integrity with an authenticator. The specific algorithm used by both the encryptor and authenticator is determined by the corresponding components of an ESP security association. By divorcing the base ESP definition from the actual algorithms that ...
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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.