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09-08-2001, 09:57 door hzlz

www.vnunet.com Experts crack 802.11 protocol By James Middleton [08-08-2001] Scientists at Houston-based Rice University have published a paper on wireless security, concluding that the 802.11 Wireless Encryption Protocol (WEP), which most wireless users currently rely on for security, is "totally insecure". Adam Stubblefield, John Ioannidis and Aviel Rubin, along with AT&T Labs, this week published a paper on how they used the Fluhrer, Mantin and Shamir attack to break 802.11's WEP at its highest level of 128-bit. Using only off-the-shelf hardware and software, the researchers claim that the attack was completely passive and undetectable. They used the methodology applied by fellow scientists Fluhrer, Mantin and Shamir, detailed in a paper last month. vnunet.com also explained a similar idea last month. "With our implementation we were able to recover the 128-bit secret key used in a production network with a passive attack," said the group. The basis of the attack is that the RC4 keystream ...

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