March 2018
Beginner to intermediate
410 pages
10h 40m
English
Content preview from Mastering Internet of Things
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Validating certificates
An encryption scheme contains a chain of events and is no more secure than its weakest link. For HTTPS, the weakest links are certificate validation and the choice of ciphers.
Many developers deceive themselves by using self-signed certificates. These are easy to produce and do not cost anything, but they don't validate either. To avoid problems, certificate validation is disabled in software. Perhaps these developers think that it's enough not to be able to directly view what is being communicated by a sniffer. This is not correct. When you disable certificate validation, you also lose the ability to verify whether a malicious user is pretending to be the expected remote party, using a man-in-the-middle or MITM attack. ...
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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.