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Wep now really really really broken

Comments

  • #2
    ethernet
    Registered Users, Registered Users 2, Paid Member Posts: 3,519 ✭✭✭ethernet


    That was going to happen. How long before WPA truly can't be used for the same reason and we're on WPA2+.

    Wireless had to start somewhere. Can't believe the equipment eircom send out to new broadband customers is wifi-enabled by default, using WEP.


  • #3
    Martyr
    Closed Accounts Posts: 1,567 ✭✭✭Martyr


    didn't test it

    somebody ran it on an N800, got the key 19 seconds..
    http://www.mulliner.org/blog/


  • #4
    Boston
    Closed Accounts Posts: 17,163 ✭✭✭✭Boston


    ethernet wrote:
    That was going to happen. How long before WPA truly can't be used for the same reason and we're on WPA2+.

    Wireless had to start somewhere. Can't believe the equipment eircom send out to new broadband customers is wifi-enabled by default, using WEP.

    supports 256bit WPA though


  • #5
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 95,869 Mod ✭✭✭✭Capt'n Midnight


    NutJob wrote:
    http://www.cdc.informatik.tu-darmstadt.de/aircrack-ptw/
    it is possible to recover a 104 bit WEP key with probability 50% using just 40,000 captured packets. For 60,000 available data packets, the success probability is about 80% and for 85,000 data packets about 95%. Using active techniques like deauth and ARP re-injection, 40,000 packets can be captured in less than one minute under good condition. The actual computation takes about 3 seconds and 3 MB main memory on a Pentium-M 1.7 GHz and can additionally be optimized for devices with slower CPUs.
    :(


  • #6
    ethernet
    Registered Users, Registered Users 2, Paid Member Posts: 3,519 ✭✭✭ethernet


    Boston wrote:
    supports 256bit WPA though
    It's great it does. If only even more wireless adapters on the market supported it as well.

    Considering the stats provided by Capt'n Midnight, even after capturing only a few thousand packets, the percentage accuracy of the generated key is quite frightening.


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  • #7
    NutJob
    Closed Accounts Posts: 884 ✭✭✭NutJob


    ethernet wrote:
    It's great it does. If only even more wireless adapters on the market supported it as well.

    Considering the stats provided by Capt'n Midnight, even after capturing only a few thousand packets, the percentage accuracy of the generated key is quite frightening.

    Get an atheros card its worth the 30euro.

    I got an orinoco b/g with an exteranl connector to replace a RT2500 card which was deaf in comparison(just on the internal antenna) and works with open source madwifi drivers.

    Cm9s are dirt cheap two


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