Security protocol (IEEE 802.11i) developed by the Wi-Fi Alliance to protect wireless networks.

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26 views

How to use Aircrack-ng when knowing part of the password?

Let's say I know the password starts with "1234" and after that there is a commonly used password. I would like to use the word list I have for the second part of the password, but to include somehow ...
3
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1answer
348 views

What are the security implications of pairwise master key caching in Wireless Networks?

I'm currently investigating WPA2 enterprise security options, and I'm curious about PMK Caching. I've found lots of vendor information about it, and understand that the client does not need to ...
2
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1answer
343 views

802.11 Authentication/Association and WPA/WPA2 authentication (Four-way handshake)

So I have read that 802.11 standard requires stations and APs to go through the authentication and association before communication can take place. I also know that WPA/WPA2 has its own authentication ...
6
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0answers
78 views

WPA2 ephemeral key derivation

I'm trying to learn how ephemeral keys in WPA2 4-way handshake are derived. Starting from 4 EAPOL packets sniffing, I successfully derived PMK and PTK reading ANonce, SNonce, and knowing ASCII-PSK ...
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0answers
49 views

Repeating “Type” field in EAP expanded NAK seems redundant?

I'm reviewing the EAP RFC 3748 and I've gotten to the bit about Expanded NAKs, and the examples given there seem to contradict my understanding of the generalised expanded format discussed later in ...
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0answers
20 views

How do TSC (TKIP sequence counter) calculate into WPA?

I'm reading about 802.11, from IEEE's pdf (IEE pdf), from page 1191, and in particularly I'm reading about TKIP. And to decrypt and to encrypt used a TSC (TKIP Sequence Counter) as you can see in ...
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0answers
30 views

Usefulness of checking MS-CHAP-Challenge by TTLS Server

I've spotted what may be a "missed opportunity" in the EAP-TTLS specification for "Challenge"-based authentication protocols (for instance MS-CHAP-V2). The client initiates MS-CHAP-V2 by tunneling ...
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0answers
60 views

Is WPA practically less secure than WPA2 only if QoS is enabled?

I've been looking into attacks that are effective against WPA-TKIP but not WPA2-AES (both using PSK). I've found Vanhoef & Piessens's paper that builds off an attack by Beck & Tews and can be ...
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0answers
65 views

Fritz!Box default WPA2 security

I was wondering, how safe the default configuration of a Fritz!Box really is. By default, there is a 16 digit WPA2 key, which contains only numbers. My first though was, that bruteforcing is right ...
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63 views

WPA2 ENTERPRISE - Unable to find a way around Lanner Electronics

Gday, I have currently been working in an environment where i am connected to a WPA2 Enterprise network requiring me to enter my username and password for the network whenever i connect. I have been ...