March 2018
Intermediate to advanced
215 pages
5h 48m
German
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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.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.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.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.
3Public Key-Verfahren
3.1Der Diffie-Hellman-Exponential-Schlüsseltausch
Wir haben uns bisher ausschließlich mit symmetrischen Verschlüsselungsverfahren beschäftigt, d. h. für die Verschlüsselung und Entschlüsselung kommt derselbe Schlüssel zum Einsatz. Dabei sind wir mehrmals auf das Schlüsseltauschproblem gestoßen, also das Problem, dass alle befugten Beteiligten den Schlüssel kennen müssen.
Es handelt sich um eine etwas paradoxe Situation, denn man kann den Schlüssel nicht einfach über eine unsichere Verbindung schicken, denn sonst könnte er von Unbefugten abgefangen werden.
Wenn man aber eine sichere Verbindung hat, warum verwendet man sie dann nicht, um gleich alle Daten zu übertragen? Dann bräuchte man gar keine Verschlüsselung und der Schlüsseltausch ...
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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.