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Kali Linux Wireless Penetration Testing Beginner???s Guide - Third Edition

You're reading from  Kali Linux Wireless Penetration Testing Beginner???s Guide - Third Edition

Product type Book
Published in Dec 2017
Publisher
ISBN-13 9781788831925
Pages 210 pages
Edition 3rd Edition
Languages
Authors (3):
Cameron Buchanan Cameron Buchanan
Profile icon Cameron Buchanan
Daniel W. Dieterle Daniel W. Dieterle
Profile icon Daniel W. Dieterle
Vivek Ramachandran Vivek Ramachandran
Profile icon Vivek Ramachandran
View More author details
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Table of Contents (21) Chapters close

Kali Linux Wireless Penetration Testing Beginner's Guide Third Edition
Credits
Disclaimer
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Wireless Lab Setup 2. WLAN and Its Inherent Insecurities 3. Bypassing WLAN Authentication 4. WLAN Encryption Flaws 5. Attacks on the WLAN Infrastructure 6. Attacking the Client 7. Advanced WLAN Attacks 8. KRACK Attacks 9. Attacking WPA-Enterprise and RADIUS 10. WLAN Penetration Testing Methodology 11. WPS and Probes Pop Quiz Answers Index

WPA/WPA2


WPA (or WPA v1 as it is referred to sometimes) primarily uses the Temporal Key Integrity Protocol (TKIP) encryption algorithm. TKIP was aimed at improving WEP, without requiring completely new hardware to run it. WPA2 in contrast mandatorily uses the AES-CCMP algorithm for encryption, which is much more powerful and robust than TKIP.

Both WPA and WPA2 allow either EAP-based authentication, using RADIUS servers (Enterprise) or a Pre-Shared Key (PSK) (personal)-based authentication schema.

WPA/WPA2 PSK is vulnerable to a dictionary attack. The inputs required for this attack are the four-way WPA handshake between client and access point, and a wordlist that contains common passphrases. Then, using tools such as aircrack-ng, we can try to crack the WPA/WPA2 PSK passphrase.

An illustration of the four-way handshake is shown in the following screenshot:

The way WPA/WPA2 PSK works is that it derives the per-session key, called the Pairwise Transient Key (PTK), using the PSK and five other...

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