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[43862] Artykuł:

Analysis of selected methods for the recovery of encrypted WEP key

Czasopismo: Proc. SPIE , The XXXIV-th IEEE-SPIE Joint Symposium Wilga 2014   Tom: 9290, Strony: 1-7
ISSN:  0277-786X
ISBN:  978-1-62841-369-4
Wydawca:  SPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
Opublikowano: 2015
Seria wydawnicza:  Proceedings of SPIE
 
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Sebastian Wójtowicz50.00  
Radosław Belka orcid logoWEAiIKatedra Systemów Informatycznych *5015.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper


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Keywords:

WEP  Aircrack-ng  Backtrack  RC4  cryptography  cryptanalysis  key decryption 



Abstract:

This paper deals with some of the WEP (Wired Equivalent Privacy) key decryption methods based on aircrack-ng software, which was embedded in Backtrack operating system (Linux distribution). The 64-bit (40-bit) and 128-bit (104-bit) key encrypted with RC4 cipher weakness was shown. Research methods were made in different network environments. In this work we compared different types of keys to check how strong the RC4 stream cipher can be. The 40-bit and 104-bit WEP key has been tested on IEEE 802.11 based wireless LAN using laptop with live-CD Linux operating system. A short analysis of key creation methods was performed to compare the amount of time necessary to decrypt random and nonrandom WEP keys.