Analysis of selected methods for the recovery of encrypted WEP key

Sebastian Wójtowicz; Radosław Belka

doi:10.1117/12.2075251

16 December 2014 Analysis of selected methods for the recovery of encrypted WEP key

Proceedings Volume 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014; 92902Z (2014) https://doi.org/10.1117/12.2075251
Event: Symposium on Photonics Applications in Astronomy, Communications, Industry and High-Energy Physics Experiments, 2014, Warsaw, Poland

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.

Citation Download Citation

Sebastian Wójtowicz and Radosław Belka "Analysis of selected methods for the recovery of encrypted WEP key", Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 92902Z (16 December 2014); https://doi.org/10.1117/12.2075251

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