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InvisibleLanaM
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128 Bit Wireless Encryption Cracked
    #373116 - 08/16/01 04:44 PM (15 years, 3 months ago)

Ah, for all you folks out there who use your PDA to store teks and other "contact" info...you might want to read this:)

A few guys cracked the 128-bit algorthym. It may not sound like a big deal but there was a big fuss with many nations becuase for awhile 56-bit encryption was not legally allowed worldwide. Then, a number of countries said, "HEY, we need higher strength encryption so that all you other low life countires can't hack into our machines!!" :)

So....128-bit encryption is now the worldwide norm. Legally if you're in the USA and export any program that can produce higher forms of encryption its considered treason!

Well, anyway....if anyone is interested read it here. It pretty technical, I had to read it twice:

http://www.cs.rice.edu/~astubble/wep/wep_attack.html>
http://www.cs.rice.edu/~astubble/wep/wep_attack.html


"To begin, we must describe the structure of the RC4 stream cipher (a full description can be found in [6]). RC4 consists of two parts, a key scheduling algorithm and an output generator. In WEP, the key scheduling algorithm uses either a 64-bit packet key (40-bit secret key plus 24-bit IV) or a 128-bit key (104-bit secret key plus 24-bit IV) to set up the RC4 state array, S, which is a permutation of {0,...,255} . The output generator uses the state array S as well as two counters, i and j, to create a pseudorandom sequence. The Fluhrer, Mantin, and Shamir known IV attack utilizes the fact that, in some cases, knowledge of the IV and the first output byte leaks information about the key bytes. They refer to these key-leaking cases as resolved. It is simple to test whether a particular packet provides an IV and output byte that result in a resolved condition, though we refer the reader to the Fluhrer et. al. paper for the full explanation. By looking at a number of these resolved cases, we can see a bias toward the true key bytes. "

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InvisibleSerum
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Registered: 08/15/01
Posts: 21
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Re: 128 Bit Wireless Encryption Cracked [Re: Lana]
    #373152 - 08/16/01 05:51 PM (15 years, 3 months ago)

Mmmm.... you got it wrong.

This is a flaw with the WEP protocol and a poor encryption engine implementation, I believe it uses a shared key and has more to do with packet sniffing interception then it does with cracking 128-bit encryption, anyway this is old news, and its only going to effect you if you're using the WEP protocol which I doubt you are (wireless ethernet has a long way to go when it comes to security) your PDA is safe if you use something like Blowfish or AES, the names of the programs that allow you to encrypt data on your PDA slip my mind at the moment.




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InvisibleLanaM
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Re: 128 Bit Wireless Encryption Cracked [Re: Serum]
    #373876 - 08/17/01 11:52 PM (15 years, 3 months ago)

/me thinks

Well, its a flaw in an wireless, and in a protocol. But one thing that wireless boasts so much is how secure it is. As for being old news??? I'm not sure what you consider "old" but this is dated August 6, 2001:)

I'm not debating nor do I want to, but I just want to bring up that PDA's are easily hacked into anymore. And wether or not if you have a PDA, a laptop or a dual server running, if you're using Blowfish, things should be OK! :)

Lana

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InvisibleSerum
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Registered: 08/15/01
Posts: 21
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Re: 128 Bit Wireless Encryption Cracked [Re: Lana]
    #373910 - 08/18/01 01:27 AM (15 years, 3 months ago)

>But one thing that wireless boasts so much is how secure it is.

Not really I think one thing that people understand is how insecure it is, everything basicly from cellphones, mlan and 802.11 etc... the list goes on, there have always been major security issues, if you're talking about how much bs developers say then yes thats a whole other story they always say its safe and secure.

>As for old news

Look up anything on WEP and it is old news they have had major bugs for many months now, maybe the encryption cracking is newer but the insecurity of WEP is nothing new, its a completely lame protocol waste of time and dev money real bullshit you deserve to get your PDA hacked if you're using it, too bad you can't make it blow up in your face.

> I'm not debating nor do I want to, but I just want to bring up that PDA's are easily hacked into anymore.

Yeah thanks for the warning! a even easier task is bypassing that built-in PalmOS passwd prompt, good if you stole or found a locked PalmOS device, now thats something useful.


mix up the elixir...


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mix up the elixir...


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InvisibleLanaM
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Re: 128 Bit Wireless Encryption Cracked [Re: Serum]
    #374051 - 08/18/01 11:09 AM (15 years, 3 months ago)

"its a completely lame protocol waste of time and dev money real bullshit you deserve to get your PDA hacked if you're using it, too bad you can't make it blow up in your face. "

HAHAHAHA, I can't beat that one:) I do agree that the energy put into developing this protocol is a waste. But then again, I'm not a big fan of anything wireless. I'll stick to hardlines any day.

Lana

Distributors of Mycological Products

http://www.MycoSupply.com




--------------------
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Visit us online or call us toll free


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InvisibleBillyblastoff
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Re: 128 Bit Wireless Encryption Cracked [Re: Serum]
    #374502 - 08/19/01 11:25 AM (15 years, 3 months ago)

Where were you when i was tryin to get past a freakin password prompt on a 486....lol



Tell me something good then I might agree with you..


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"Imagination is more important than knowledge. For while knowledge defines all we currently know and understand, imagination points to all we might yet discover and create."

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InvisibleSerum
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Registered: 08/15/01
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Re: 128 Bit Wireless Encryption Cracked [Re: Billyblastoff]
    #374636 - 08/19/01 06:20 PM (15 years, 3 months ago)

I read that post, the laptops a 486? just throw it out, thats my advice! anyway if you really want to get rid of the bios lock just remove the little battery and wait for the capacitor to loss its charge or try to find the reset pin/s if there even is a reset? might not be, and where this is located I couldn't tell you either unless I looked, other then that I dont know what to tell you, it will make a good paper weight or doorstop.

mix up the elixir...


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mix up the elixir...


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InvisibleBillyblastoff
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Re: 128 Bit Wireless Encryption Cracked [Re: Serum]
    #375310 - 08/20/01 09:12 PM (15 years, 3 months ago)

No its not a laptop regular desktop and BTW you were right about disconnecting the battery cause thats what I probably did when I took this bitch apart cause when I booted her backup PRESTO NO PASSWORD, Thanx..


Tell me something good then I might agree with you..


--------------------
"Imagination is more important than knowledge. For while knowledge defines all we currently know and understand, imagination points to all we might yet discover and create."

"There is a wealth of information built into us, tucked away in the genetic material in every one of our cells. The psychedelic drugs allow exploration of this interior world, and insights into its nature."

Tell me something good then I might agree with you....the Smithereens


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