December 2007
Intermediate to advanced
456 pages
10h 34m
English
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Chapter 11. Establishing Trust
Public key cryptography allows us to protect the confidentiality, integrity, and authenticity of any type of digital communication provided that we know the public key of the party we are to communicate with.
If we receive a signed message that claims to have been sent by Alice, we need to do two things to verify the claim:
- Use the public key to verify the signature.
- Make sure the public key really belongs to Alice.
An attacker could try to fool us in two different ways:
- Break the encryption mechanism.
- Fool us into trusting a different key as belonging to Alice.
Unless the protocol designer has made a serious mistake (it happens), the first type of attack is very difficult, like trying to move the Sahara desert ...
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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.