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WEP Gets A Bit Stronger
gmr2048 writes: "CNN is reporting that RSA has helped develop "Fast Packet Keying" to strengthen WEP security. More info can be found at the RSA page. Damn, and I'm still working on my Pringles can antenna."
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oksala
Maybe, maybe not. I don't really care.
Strom Thurmond; the dean of the US Senate...
the deadest fart on slashdot.
Yes, we all know that WEP security needs to get a whole lot better before the WEP is actually useful.
This is an important warning to all slashdotters. CmdrTaco has been luring people (mainly underage males) into the slashdot compound to eat his "special taco".
You may be wondering what CmdrTaco's "special taco" is. You will be wishing that you hadn't been wondering after you finish reading his post. To make his "special taco", CmdrTaco takes a taco shell and shits on it. He then adds lettuce, takes out his tiny withered dick (otherwise known as his "Commander"), jacks off on the taco, and adds a compound to make the person who eats the taco unconcious. Of course, the compound does not make the person unconcous until the taco is fully eaten. Thus CmdrTaco force feeds the taco to the unsuspecting victim. After all, who would knowingly eat shit and CmdrTaco's jizz.
After the victim is unconcous, he is held against his will and used for CmdrTaco's nefarious homosexual purposes. This includes shoving taco shells up the victim's ass, taco snotting, and getting JonKatz involved. Trust me, you do not want JonKatz anywhere near your unconcious body. Also, rumor has it CmdrTaco is looking for a new goatse.cx guy. Don't let it be you!!!!!
The last thing you may be wondering is how this goes along with "taco snotting", or what "taco snotting" is. George WIPO Bush has been doing considerable work explaining what "taco snotting" is. Please see his FAQ on "taco snotting" which can be found as a -1 rated comment on most slashdot stories.
Please, if CmdrTaco offers you his "special taco", RUN LIKE HELL!!!!!!!!
Digital Divide? The only divide Linux can bridge is the crack of my ass, when I use it to wipe my ass clean.
KTS:Lover, Poet, Artiste, Aesthete, Utensil.
There is no contradiction.
They still use the RC4 algorithm, but now they claim to be implementing it right. Might actually keep the bad folk out if they can get the patches out to everybody.
literally just finished reading the cnet version of this story, which included a statement like the following:
"... does not address any new holes that might crop up"
can I be the first to tell cnet "DUH!"
The One Rule Of Chess You'll Ever Need: Don't play someone who carries a kit in their bookbag.
Was that a typo?
Frances E. Holberton, 84, Early Computer Programmer
By STEVE LOHR
Frances Elizabeth Holberton, one of the first computer programmers, whose contributions to software over the years ranged from an early data- sorting program to helping develop the business programming language Cobol, died on Dec. 8 at a nursing home in Rockville, Md. She was 84.
The cause was heart disease, diabetes and complications from a stroke that she suffered several years ago, according to her daughter, Priscilla Holberton of Silver Spring, Md.
"Betty Holberton was a real software pioneer," said Donald E. Knuth, a professor emeritus at Stanford University and author of the three-volume "The Art of Computer Programming," the profession's defining treatise.
Mrs. Holberton, a graduate of the University of Pennsylvania, was one of the six young women recruited by the Army to program the Electronic Numerical Integrator and Computer, which became known by its evocative acronym, Eniac. The Eniac is credited with being the first all-electronic digital computer.
The Eniac's job was to calculate the firing trajectories for artillery shells. The young women programmers were selected for their skills in mathematics. The work they did was "hard-wired" programming, laboriously setting switches and cables inside the 30-ton black behemoth of a machine.
Mrs. Holberton, colleagues recall, was particularly adept at figuring out the best path for guiding the complex calculations through the electronic labyrinth of the Eniac. Frequently, these insights came to her overnight.
"Betty had an amazing logical mind, and she solved more problems in her sleep than other people did awake," recalled Jean J. Bartik, another of the Eniac programmers.
The Eniac was demonstrated in February 1946, too late for use in World War II, but it helped open the door to modern computing. The Eniac programming team broke up, but Mrs. Holberton was the one of the six who stayed longest in the field.
After the war, she joined the Eniac designers, John Presper Eckert and John W. Mauchly, in their effort to develop the Univac, an early commercial computer, which was introduced in 1951. While working on the Univac, Mrs. Holberton did some of her most innovative work. She developed a program for sorting and merging large data files, which at the time were stored on reels of magnetic tape. Any such updating of data files was an arduous programming task at the time, and her program vastly simplified that job.
"That was a huge tour de force," said Paul E. Ceruzzi, a computer historian at the Smithsonian Institution.
In 1953, Mrs. Holberton joined the Navy's Applied Math Lab at the David Taylor Model Basin in Maryland as the supervisor of advanced programming, where she worked until 1966. In 1959, she was a crucial member of the committee that developed Cobol, or Common Business Oriented Language. The committee worked for six months on the standards and specifications for a business programming language, which was introduced in 1960.
The committee's work was seen as a temporary solution to the growing problem created by the increasing need for a standard programming language for handling business data at a time when computing was moving into the mainstream of the corporate world. Yet Cobol, updated many times over the years, is still widely used.
Computer scientists often criticize Cobol as a hasty, inelegantly designed programming language. But it gave computing a way to handle and visually describe business data, making it easier to program business problems on computers.
Mrs. Holberton, who joined the National Bureau of Standards in 1966 and worked there for two decades, once echoed those views. In a 1983 interview conducted for the Charles Babbage Institute, a computing history center at the University of Minnesota, Mrs. Holberton conceded some of the criticisms of the language she helped develop. But, she added, "Cobol, I felt, was very important because of its ability to describe data."
According to Kathryn Kleiman, a lawyer who is working on a documentary film on the women Eniac programmers and their contribution to the field, Mrs. Holberton consistently worked on trying to make computers easier to program.
"She took that hard-won knowledge on the Eniac and applied it over the next 40 years, in nearly everything she did in the field," Ms. Kleiman said.
In addition the her daughter Priscilla, Mrs. Holberton is survived by her husband, John Vaughn Holberton, and another daughter, Pamela Holberton, both of Rockville.
Great they moved the encryption to the hardware freeing up the cpu to run seti@home a little faster.
Why buy new hardware, when with a little effort you can use ipsec to do the same thing.
I had taken a pic of my Kraft Cheez Ball-can rocket. It was a dual-stage rocket, the first stage was 3 Cheez Ball cans and the second stage was 2 Pringles cans. It made it about 10 feet off the ground before landing as a smoldering tube of cardboard.
If there is a weakness, there is a way
Speaking of pringles cans, we just built a ton of them at the last seattlewireless meeting. We're seeing a 10 to 13db gain from a $5-10 antenna.
M eetingPictures2001
You can see pictures here:
http://www.seattlewireless.net/index.cgi/December
From http://www.rsasecurity.com/rsalabs/index.html:
Why is WEP Broken? ... While the WEP standard had specified using
different keys for different data packets, the key derivation function (how to derive
a key from a common starting point) was flawed.
The weakness in WEP stems back to a key derivation problem in the standard.
To all you undergrads doing math exams this week: yes, you really do have to know how to do this in the real world!
Toronto-area transit rider? Rate your ride.
Now they just need to improve things to the point that they can boldly advertise wireless security to the consumer public without having fear of getting burned. You've perhaps wondered why we've never heard any w-commerce commercials touting the security of wireless banking transactions? That's because they aren't, at least not yet. Heck, they still have trouble with the plain-ol' landlocked net.
I'd say, stick with good open source encryption like One Fish or Two Fish.
This means I have to go back to just reading my own mail for the time being?
;)
Just when my neighbor's online affair was getting interesting.
______
Once: you're a philosopher. Twice: a pervert.
Homeland security, Homeland security, Homeland security... this is the rallying banter of many in Washington. While I hold a concern for this also, I worry that our RIGHTS (inalienable) are going to be sacrificed. Should we expect Senate hearing soon on banning heavy encryption? Of course the business lobby might acutely help us here.
No bad guy will ever be able to use the network anyway.
You have the choice of encryption policy you want to use and you're in control on how secure you want the network to be.
The overhead of encrypting the packet headers is avoided (granted, the card is supposed to do that transparently, but still I have seen significant slowdowns in lag and throughput when playing with WEP).
The only drawbacks I can think of with doing your own protocol-level encryption are :
Bad guys can still see your bastion host or VPN gateway in clear and have a go at it (DoS or otherwise), and script kiddies might want to have a try because they think it's in clear, while when they see WEP in place they might not even try.
You have to set up a VPN and the infrastructure that goes with it (duh) while you don't have to with WEP.
It's a little harder for Windows users to use your service, if you use PPTP, or it's impossible altogether if you use something Windows doesn't understand, or it's costly because you have to buy third-party Windows VPN software (I don't deal with Windows users, thank God, so problem solved for me).
"A door is what a dog is perpetually on the wrong side of" - Ogden Nash
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kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf dffdsfds dfsa fsdkjf;l dfs fdf sf fd sdf jdfkjdf fd dfj kdf df dfkls fd fdf df fdsfd fds fddf f df f f fdkjdf dfj fdsjkkjf ijk k jf f dfs; kdffd j jkdff ddf jkfd dfskj dfjk fsdjl;fd sdf fdk fd f f f fjkfkf df dsfk fl f f fsdi dfs9dsf df
There is no security without physical security. And barring protecting the feds from installing keyboard sniffers and other constitution violating passphrase snatcher and tempest EMI amplifier trojans, you need:
CHALLENGE RESPONSE.
Without two way challenge response there is no way to prove the "system" your WEP is seemingly connecting to is not really a NSA-NRO van parked in the street that acts as a go between in the chain.
a covert liason.
This crap by PKP-RSA is nothing but more foolhardy layers of swill that does not fundamentally prevent a 3rd party intercept.
It reeks of DoD funding to me, more so than all the proven NAI payoffs and moles.
suck dick! (mine)
women were hired for eniac "coding" because they were cheap and did menial wiring tasks, similar to secretarial work.
Few were high iq wonders. just as few people over IQ 124 today are female. (hundreds of citations in "The Bell Curve".
Just because someone dies does not mean you can distort reality and the truth.
The truth is that VERY VERY FEW penis-challenged inventors and software engineers ev ever contributed much to the software industry.
In fact they HAMPER it at the largest software companies such as Apple Computer, and are the source of most of the employee friction.
Our car-manufacturing company has developed a new revolutionary business model for making cars.
We give away the cars for free and then we sell services for those cars! If you want to we can clean your car, wax it or you can use some of our other services.
We get cash from a couple of VC's, the rest of them simple don't "get it". If we need more we just call "the suits".
Fast Packet Keying," a new technology based on the RC4® algorithm, is designed to help organizations securely fix the WEP encryption standard. This new WEP solution, developed by RSA Security, Hifn and other members of the 802.11 committee, is designed to generate a unique RC4 key for each data packet sent over the wireless LAN.
The fix to WEP was developed by a working group in which RSA was far from being the sole contributor. It is a bit off for RSA to try to claim the glory for the fix when a significant part of the WEP problem is due to a weakness in the keying scheme of RC4.
The presentation lists as 'key contributors' Jessie Walker of Intel, Bob Beach and Clint Chaplin from Symbol, Ron Brockman of Intersil Nancy Cam-Winget of Atheros Greg Chesson, Atheros Niels Ferguson, MacFergus BV Marty Lefkowitz, TI Bob O'Hara, Blackstorm Networks Dorothy Stanley, Agere Doug Smith, Cisco Albert Young, 3COM
So when RSA wants to get votes it has a dozen 'key contributors'. But when they want to take the credit there are two.
The original algorithm was botched, in part it is claimed (by an informed source) because the original IEEE working group left the crypto to an NSA advisor. Failing to understand the specific weakness of using a stream cipher in general and the specific weaknesses of the RC4 key scheme are the major reasons for the failure of the WEP design.
One could rightly blame the original working group for failing to read up on the litterature and avoid the known flaws of RC4, only RC4 was until recently a proprietary and secret algorithm of RSA. The key scheme flaws were only publicised after RC4 was reverse engineered without RSA approval, and resulted in considerable protest by RSA.
This type of publicity grab is not good for open standards development. It encourages people to release their proposals to the press rather than to the working group.
Looking for an Information Security student project suggestion?
Try http://dotcrimeManifesto.com/
....boosting the output of your engine so you can catch up to those 109's.
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Hello Anonymous Coward,
We have have been reviewing our network usage policy contract within your account and have discovered a violation of your service. You have transmitted information across our networks with intention of slandering our hard-working staff and creditors. Mr/Mrs. Anonymous Cowheard, we find it unacceptible, calous, and most certainly ill-tempered to accuse Network Associates of utilizing "moles" and "payoffs" of individuals outside of Network Associates to steal your most trusted and secure data. Please take measures on your behalf to prevent such communication from moving across our networks and we will continue your service. You are on notice and your conspirator, pater@slashdot.org, has been notified equally. Thankyou for your time.
- Bob Istan
In reading the posted article and in reviewing some literature concerning WEP security here: CS at Berkeley I was wondering if anyone out there had insight on the nature of the modifications that have been made.
Please excuse my naivety in the field, but from the Berkeley article I gather that not only is the similarity of the packet keys a weakness of WEP (as RSA indicates), but also the use of a 24-bit space for the initialization vectors used to generate the RC4 packet keys.
Now, is the 24-bit space limitation what RSA means by, "similarity of the packet keys", or are they referring to the fact that most boards start the IV at 0 and simply increment for each packet (the end result being numerous IV collisions)?
The reason I wonder is because theoretically, at least, one could construct a table of all IV + key stream combinations in a decryption table (~15Gb according to Berkeley) and thereby gain himself the key to the city, so to speak. So, while limiting the number of IV collisions would certainly make decryption more difficult and certainly more time consuming, it wouldn't make WEP entirely secure. In the event that someone be so determined to monitor WLAN activity for enough time to construct such a table, could users of WEP be exposed?
Have yall seen or heard or read (i.e. Wired this month- sorry) Duwayne Hendrickson. This mad cat is a former ham radio geek who now sits on the FCC advisory board concerning wireless spectrum/FCC part 15 issues. And he is WLANning major Indian reservations and foreign countries; using every trick in his bag. My ignorance notwithstanding, does he care about WEP? Wasn't mentioned in the article.
My contention is this: Keep WEP as messy as swiss cheese. Let everyone have it right on Main St! More access is good access. Individuals with savvy will guard their own cookie jars.
Keep encryption development as open as it can be, rely on the 'market' to force the security issue. The NSA can probably break it anyway. That's why its released for consumers.
snarf liono.
Claatu, Verata, Nic---sig
That's cos' both zdnet and yahoo have had it aaaages ago.
erm, it's supposed to be "strengthen WEP security" not "strengthen WEB security". man, i just misspelled a three letter word.
They've improved WEP?
I've been wating for years for a better Windows Entertainment Pack! I hope they've improved tetris!
Too busy staying alive... ~ R.A.
My question is: Will all of us current wireless users have to buy new cards and access points, or will a firmware update do the job?
I really have to laugh when I hear about people trying to 'improve' WEP. My favorite is Cisco's method of changing the key about every 10 minutes.
The solution is to get rid of WEP all together (before someone REALLY breaks it!) and switch to something which works right. IPSec, SSH, SSL, PPTP all come to mind as protocols which could solve this problem, and never have to be upgraded. Now WEP is a cat and mouse game. Companies will continue to iimprovie it, and individuals will continue to find better ways to crack it. Personally, I'll just pass on an access point all together and get a Unix box with IPSec working as the router. Easy as 1, 2,3 and a hell of a lot more secure than any WEP solutions out there.
Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
Wireless was never meant to be secure. It's a thing where convenience. Lazy Bones Jr. doesn't have to get his fat ass off the sofa to check out his porn sites. Which also means that his 12 year old neighbor with a few empty pringles cans can, with little effort, get Mr. Bones porn passwords. So now instead of it taking 10 minutes for little Johnny to figure out Bones' WEP key. Oh wait, Mr. Bones forgot to patch all his wireless stuff, and woops, Mr. Bones didn't even bother turning on WEP to begin with, so little Johnny is spanking away in no time. Wireless is not secure, WEP doesn't really help out in most cases. Wireless always has been, and always will be a convenience vs. security issue.
So 128-bit WEP plus a bit = 129-bit,
:P
Thats hardly much stronger
WEP might be usable again - once the vendors get their arses in gear.
I spent GBP30 extra on each 128bit WEP card over cheaper WEP cards. I was particulary annoyed to find out 10 weeks later that the encryption was worthless.
If FreeSWAN wasn't such a pain in the arse to compile and configure I'd be using that (I stopped relying on kernel patches after getting my fingers burnt over the international crypto patch - Just downloaded 2.4.16? - latest crypto patch is 2.4.3. Oh and it corrupts your data if you use non-relative block numbers), however now I've had to give up using my cards - I live in a flat, I can use a long piece of cat5.
What I'm waiting for, is for Intel to sort out the problem. I don't care if they don't interoperate with other Wifi cards, I just want a cryptographically secure implementation of IVs with RC4 damn you!
# init 5
Connection closed.
Oh...
sweaty snot-covered man sex!
I've been wating for years for a better Windows Entertainment Pack! I hope they've improved tetris!
Want an improved tetrisclone? Try Tetanus On Drugs. So improved it'll make your head spin.
Will I retire or break 10K?
- RC4 has been prooven to be vulnerable to a known plaintext attack (any revealed part will reveal any other part encrypted with the same key and using this info will bake it possible to extract more info about the keystream)
- RC4 have a subclass of weak keys. (Only for "even" keysizes like 32, 64, 128, not 40, 56)
- The Random number generator in RC4 have a statistical weakness making it crappy to use; but this can be overcome by generating N number of bytes (i.e. key dependent if one should wish).
Instead of trying to fill out the holes in this swiss cheese - Why not go with AES?
This is by no means a troll!