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Wireless WEP crack - FBI version |
| Date Added: August 09, 2011 06:22:04 AM |
| Author: Shirai |
| Category: Games |
| WEP is an encryption scheme, in line with the RC-4 cipher, that's available on all 802.11a, b and g wireless products. WEP utilizes a group of bits called a answer to scramble information within the data frames as it leaves the access point or client adapter and the scrambled message will be decrypted through the receiver. Both sides must have exactly the same WEP key, which is usually a total of 64 or 128 bits long. A semi-random 24 bit number called an Initialization Vector (IV), is part from the key, so a 64 bit wep key hack actually contains only 40 bits of strong encryption while a 128 bit key has 104. The IV is positioned in encrypted frames header, and is transmitted in plain text. Traditionally, crac*ing WEP keys has been a slow and boring process. An assailant would have to capture hundreds of thousands or millions of packets?aa process that could take hours or even days, depending on the amount of traffic passing over the wireless network. After enough packets were captured, a WEP crac*ing program such as Aircrac* would be accustomed to find the WEP key. Fast-forward to last summer, once the to begin the most recent generation of WEP cracking tools appeared. This current generation utilizes a combination of statistical techniques focused on unique IVs captured and brute-force dictionary attacks to break 128 bit WEP keys within a few minutes instead of hours. As Special Agent Bickers noted, No matter if you are using 128 bit WEP keys, you're vulnerable! The IV is placed in encrypted frames header, and it is transmitted in plain text. Traditionally, cracking WEP keys is a slow and boring process. An assailant would have to capture hundreds of thousands or an incredible number of packets a process that could take hours as well as days, with respect to the amount of traffic passing within the cracking wep network. After enough packets were captured, a WEP cracking program such as Aircrack could be used to find the WEP key. Fast-forward to last summer, once the first of the most recent generation of WEP cracking tools appeared. This current generation uses a combination of statistical techniques centered on unique IVs captured and brute-force dictionary attacks to break 128 bit WEP keys in minutes rather than hours. |
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