December 2003 - cypherpunks-legacy

Skipjack KEA Errata
by John Young 17 Dec '03

17 Dec '03

Thanks to Lewis McCarthy some 20 transcription errors have been corrected in the Skipjack Key Exchange Algorithm test vectors, a summary of which is offered at: http://jya.com/kea-errata.htm Original transcriptions of the Skipjack spec have been updated: Matt Curtin's: http://www.interhack.net/pubs/skipjack-kea.tgz (Archive of it all) http://www.interhack.net/pubs/skipjack-kea.ps (Postscript) http://www.interhack.net/pubs/skipjack-kea.tex (LaTeX source) JYA's: http://jya.com/skipjack-spec.htm http://jya.com/skipjack-spec.zip (same, zipped)

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!! Wanted Home Product Assemblers !!
by EquiAly2＠aol.com 17 Dec '03

17 Dec '03

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DigiCash Update, part II
by Lucky Green 17 Dec '03

17 Dec '03

As some of you may be aware of, I am involved with an effort to acquire DigiCash. Allow me therefore to suggest that now is not a good time to attempt to purchase a patent license directly from DigiCash. You would most likely be paying too much. DigiCash has for months now attempted to find a buyer for the company's assets. Due to the expectations on the value of the assets, and differences between this and the offers they've received, the board has turned down these offers, including the first offer by my group. Ultimately, the differences between some of the high expectations the board has, and the actual offers they are receiving will be worked out between higher offers and lower expectations. Until then, DigiCash operates on a post-bankruptcy filing bridge loan. This loan won't last forever. Ultimately, DigiCash will be sold. But nobody wants to wait forever. Not you, not me, not the DigiCash board. The faster DigiCash gets sold to our group, the faster the technology will become available to all interested parties under low cost (and in many cases free) licensing terms. Even if DigiCash should now be willing to sell licenses to generate cash flow or reorganize in some new plan and forestall the inevitable sales of assets a little bit longer, the current DigiCash is unlikely to make the licenses available for as low of a cost as our group will make them available after an acquisition of DigiCash. We are in a position to offer potentially significant cost minimization to any prospective licensee of DigiCash IP. With every additional party committing to our effort, we can reduce the cost per license. Scott of course would be amiss of his fiduciary duty would he not attempt to maximize the financial return to DigiCash. We have no such constraint. I have a lot of respect for Scott and he is trying to do what is best for the DigiCash shareholders and debtholders (As he should). We on the other hand are more focused on what is best for the technology, to ensure it is deployed widely and in all it's various potential uses. The more serious parties join our effort, the faster will we be able to make another bid and the faster the DigiCash board will review and hopefully approve our next offer. Ultimately, everybody will be happy. The creditors will be happy since they get their money, the current executive group at DigiCash will be happy to move on having successfully found a palatable deal, and the licensees will be happy, since they will be able to obtain the IP and options for support and technology development instead of being held in limbo with the present DigiCash situation. And of course the developer community will be happy, since the patents will be available to all, not just to the few to which DigiCash might license the patents to improve their unfortunate cash flow situation. This broad availability will allow the market to validate the technology. No single player, or even small group of players, can make eCash a success. Only an aggressive push by many large, small and medium sized players who are all deploying eCash and blinded private payment systems can. This is one of the many reasons our group has the support of several of the larger banks in the world, banking software/EDI vendors, credit card clearing houses, personal financial/cryptography software vendors, global media corporations, and other players that are required to make eCash and other DigiCash IP derived technologies ubiquitous. Feel free to contact DigiCash directly if you must. We certainly encourage people who are interested in exclusive ownership of the DigiCash IP, and are not interested in opening up the patents or technology to deal directly with them since this is contrary to our goal. But if you are interested in any one part, one use or application or even in all of the parts in a non-exclusive way please make sure to email me first as I believe it will benefit everyone for a lot less money. --Lucky Green <shamrock(a)netcom.com> I will soon revoke my PGP key 0x375AD924 for administrative reasons.

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RE: DoS considered harmful [WAS: RE: Anyone striking?]
by Anonymous 17 Dec '03

17 Dec '03

> -----Original Message----- > From: Trei, Peter [mailto:ptrei@securitydynamics.com] > Sent: Tuesday, December 15, 1998 11:23 AM > To: cypherpunks(a)toad.com; cryptography(a)c2.net; dcsb(a)ai.mit.edu > Cc: Trei, Peter > Subject: DoS considered harmful [WAS: RE: Anyone striking?] > > Someone using the name Carlos Gomes [GomesC(a)netsolve.net] > wrote: > > > [...] > > There were several ideas floating around: a) detach > > from the net and from work b) create a signed letter of > > disapproval published to appropriate orgs c) _short_ > > loosely organized burst of DoS against select online > > targets from widely distributed sources. > > > All valid forms of protests (when properly organized > > and executed) all with varying forms of impact and > > visibility. For the record, I think option c) could be > > a valid and effective form of active protest. It is a > > form which has not been used in support of the cpunks' > > agenda (or many agenda's for that matter) to date and > > one that merits a review. > > [...] > > > regards, > > C.G. > > A DoS (Denial of Service) action is a really, really, > really bad idea. > > It's both illegal and counterproductive. It's the sort > of thing I would expect to hear from an 'agent > provocateur' bent on discrediting critics of > government policy, by casting them as malicous hackers. > > We went through this once before. Back when I was > getting the DES challenges going, some one proposed > that the target should be a live bank transaction (I > think in Germany). I argued strenuously against such a > move, and in favor of a specifically created target > This goal was fullfilled when I got RSA to set up and > sponsor the Symmetric Key Challenges. [deletia] Hmm... I agree that Peter's representation of my suggestion would not be a good idea nor would it be productive-- especially in the long run. And his interpretation of my writing was correct given the current understanding of what a DoS is. So let me flesh out a bit what I think option c) above should have said. In my first mail to the list on the strike subject I offered a couple references outlining some possible forms of electronic civil disobedience (ECD). The analogy used in those texts is to a "sit in" or, as explained in other references not mentioned, the activity can be looked at as a large scale letter writing campaign like the ones organized by Amnesty International which are aimed at prison officials holding political dissidents or political prisoners. The idea is to maximize awareness (to the targets as well as mass media) of the protest while minimizing the likelyhood of severe litigation or other punitive action against those involved in the protest. It's basically an indismissible show of dissent in large numbers aimed directly at the source of the dissent. As commonly understood, a DoS (Denial of Service) attack would entail an undisclosed group of hackers and script kiddies attempting to knock out a server/site for as long as possible-- which usually requires that the group be destructive and remaining as anonymous and untrackable as possible. This was _not_ what I had in mind as option c). In an effective ECD campaign you would want to publicize what your agenda is including a listing of possible spokespersons/leaders for negotiation to both the target and the media. You would also want to control the extent of the Disruption of Service (instead of Denial of Service) to somewhere between more than barely being noticed to less than breaking any laws. Example: A public web page is setup with information on the next "sit in" or "log writing campaign" containing the agenda behind the protest, contact persons for more information, target site with explanation of choice, start time and stop time. Let's further that the cause is able to get a couple hundred or couple thousand supporters to, for example, repeatedly telnet to port 80 on the remote server during a specific 5 minute window and type in: GET I do not support your sites views on such and such see www.stop_this_now.org for details. Given the right level of logging on the server you'd quickly fill up the target's logs with a record of the number of people (or actually computers) that don't agree with the target's agenda. In Trei's last copied paragraph he mentioned setting up a dedicated target for the DES challenge. I think a similar scenario would also be an effective tool for ECD for testing support as well as being an alternate site since some target sites could be ominious enough to keep supporters at bay and a guinea pig site with full logging could be used to gather data to present to the media directly instead of to the media through a target site. I'd rather not get into a lengthy arguement about the legality of the above or whether it can be implemented since judging from the result of some of the last calls to protest within this group I don't think this type of action will see a real implementation anytime soon so it's legality and feasibility would be mostly speculation IMHO. I just wanted to clarify what I had in mind as option c) in the original mailing. It's late and there's a bunch of good jazz happening the next two nights at the Mercury Lounge in downtown Austin. The crypto revolution will have to wait for a less festive time of year :-)... waves, C.G. -- the above are my views-- and possibly my views alone :-(

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Yo, Sorry about the delay!
by bullwinkle＠3253137429 17 Dec '03

17 Dec '03

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No Subject
by news 17 Dec '03

17 Dec '03

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Re: Anyone Striking?
by John Kelsey 17 Dec '03

17 Dec '03

> From: Perry E. Metzger <perry(a)piermont.com> > To: James Glave <james(a)wired.com> > Cc: Robert Hettinga <rah(a)shipwright.com>; cypherpunks(a)toad.com; cryptography(a)c2.net; dcsb(a)ai.mit.edu > Subject: Re: Anyone Striking? > Date: Monday, December 14, 1998 10:06 AM > James Glave writes: > > Anyone participating in the strike today? I'd like to possibly visit this > > with a news story... > > I find it exceptionally unlikely that many people are participating in > this. Whomever called the thing was not thinking very clearly. You > need at least several weeks notice for such a thing to work, and the > two or three days notice (at most) that was given was way too small. A > strike of this nature might work, but only if someone with political > sense were organizing it. What would be the usefulness of this, anyway? Most of us who know and care about this issue are already working in the field of cryptography or computer security at some level--how will slowing our projects down by a day help our cause? How will refusing to design strong systems that use cryptography send a message to the government that their meddling won't keep us from designing such systems? > Perry --John Kelsey, kelsey(a)counterpane.com / kelsey(a)plnet.net NEW PGP print = 5D91 6F57 2646 83F9 6D7F 9C87 886D 88AF

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WEAK3-EX -- A Layman's 56-bit Data Encryption Algorithm
by Mok-Kong Shen 17 Dec '03

17 Dec '03

In the previous products of my WEAK series of data encryption algorithms I have very strongly exploited the possibility of using arbitrarily long keys. Since this conflicts with the recent requirement of using 56-bit keys, a new program, WEAK3-EX, has been designed specifically for users that can only use 56-bit encryption keys. The design draws upon various techniques that have been accumulated in the course of the development of the previous WEAK3-E. Besides employing constant length 56-bit keys, a new feature that is introduced in WEAK3-EX is a user choosable scaling factor for the initialization time of the algorithm. Normally the initialization time of crypto algorithms are small and is for obvious reasons to be reduced as far as technically possible. In fact, the initialization time of almost all known encryption algorithms is negligible compared to the proper record processing time. Our algorithm, which contains author's compound PRNG, is however an exception to the rule. For, depending on the number of the constituent generators of the compound PRNG used, this can under circumstances indeed attain a non-trivial value. This is till present a necessary evil of our WEAK3-E which now fortunately in the special case of key length restriction (with the obvious accompanying unfavourable strength reduction effect) can be turned into a virtue of our new WEAK3-EX. In fact, if the (variable) parameters to be chosen by the user (in particular the number of rounds) of our algorithm are adequate, brute force would be the only feasible method of attack. Now the average time for brute force is equal to the time of running a single encryption/decryption process multiplied by one half of the size of the key space. If the initialization time of the algorithm is increased, the time for brute forcing correspondingly increases so that through suitable choice of the said scaling factor it can reach practically infeasible value for analysis without however on the other hand rendering the total processing time of the user (which of course also augments) to amounts entirely inacceptable for him. (The multiplying factor of one half of the key space is the leverage we exploit here.) Technically, the scaling factor determines the number of pseudo-random numbers retrieved from the shuffling buffer (of Bays and Duncan) that are to be combined into one pseudo-random number through the addition mod 1 operation (device of Wichmann and Hill) for subsequent utilization in building up the constituent generators of author's compound PRNG. The larger the scaling factor, the longer it will take to build up the compound PRNG. The multiple-seed standard PRNG employed in WEAK3-E is abandoned in WEAK3-EX in order to comply with the 56-bit key restriction. In its place is a standard PRNG that consists of two internal (single-seed) PRNGs which are activated alternatingly and which each accepts a seed of 28 bits, totalling 56 bits. An implementation in Fortran 90 is given in http://www.stud.uni-muenchen.de/~mok-kong.shen/#paper13 Both source and a binary executable file for PC can be downloaded via my main Web page. I wish to thank CWL and ZFS for suggesting the use of the scaling factor. Constructive critiques, comments and suggestions for improvements are sincerely solicited. M. K. Shen P.S. For space and obvious reasons, I plan to remove the code and binaries of WEAK1, WEAK2, WEAK3 and WEAK3-E from my Web page this Friday, leaving in future WEAK3-EX the single encryption software accessible.

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Easy Money $$ <<Work At Home Jobs>> Stuffing Envelopes: $3 Per Envelope, Guaranteed!
by bob＠usa.net 17 Dec '03

17 Dec '03

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My name is Andrew Devore, President of Better Solutions. I have perfected a method that allows you to earn $3 per envelope that you stuff with my sales materials. And for a limited time, I am seeking out people just like you who wish to have more financial security, greater amounts of spending money, an improved standard of living, and a desire to work at home. <<An Explanation of Why I Need your Assistance.>> We would like to mail our offers out to hundreds of thousands of people in the U.S. And if we have home workers handle the jobs of stuffing and mailing, we save big money on overhead, extra office spaces, and having to hire more staff. THIS SYSTEM IS UNBELIEVABLY EASY TO USE: Absolutely anyone can do this. You can be young or old, with or without a college degree. You do not need any special training or even a high school diploma. It also doesnt matter where you live. I am not kidding, it is really that simple. And the greatest news of all, there is no limit on how many envelopes you want to stuff. If you stuff 300 envelopes, you will get paid $900 cash! If you stuff 1000 envelopes, you will be paid $3000 cash. You just need to follow word for word my straight-forward instructions and you will get paid...every single time...Guaranteed! My method will even show you how to get the envelopes with the addresses and stamps already on them. This means, no addressing of envelopes or licking of stamps is required! Simply fill the envelopes with my sales materials, put them in the mail box and youll get $3 for every single one...Guaranteed! I have taken the measures to make things as simple and easy as possible for you. DON'T RISK MISSING OUT! I am seeking a limited number of home workers, and I will stop accepting orders as soon as I get enough home workers in your area. To avoid losing out on the chance to be one of our home workers, order your "$3 per Enveloped System". The cost of this system is only $55. Included is everything you need to start making money immediately with easy step by step instructions and supplies to get you started. And remember, after stuffing only 21 envelopes youll have earned more than your investment back. 45 Day Money Back Guarantee!!! You have a full 45 days (that is six weeks) to use the "$3 dollar per envelope system". If you have not realized the money making potential of this system within this time, simply return the materials and youll receive an immediate refund...no questions asked!! Sincerely, Andrew W. Devore, President Better Solutions Important note: There are two choices before you. You can place this letter in your pile of junk mail and return to the same old routine. Or you can order my system to solve all your money problems starting immediately! We both know that procrastination never leads to any kind of success. So, if you are serious about making money from home, order my system within 10 days and I'LL GIVE YOU 50% OFF. This means youll get the "$3 per envelope system" for only $27.50 (instead of the regular $55). To qualify for this special discount, you must order within 10 days. Please fill out the 50% Risk-Free Order Form and mail it in now. Dont put it off. Just do it! ----------------------------------------------------------------- PRINT OUT THE FORM BELOW ----------------------------------------------------------------- If you are signing-up within 10 days, your cost is only $27.50. If not, please fill out this form and enclose the regular $55. Welcome aboard!! Please mail payment to: Better Solutions 2065 Rodney Dr. Suite 105 Dept.410 LA CA 90027 *50% OFF RISK-FREE ORDER FORM* First Name________________Last Name __________________________ Mailing Address____________________________________________________ City______________________________State______Zip_________________ Phone ( ) _____________Email Address_________________ Where You Read About Better Solutions?____________ $ Amt. Enclosed?____________ (Circle One)Paying by: Check Money Order Credit Card (WE ACCEPT Visa, Mastercard, Discover, or American Express) Type of card (e.g.Visa)_________________Card#______________________________ Expiration Date________________$ Amount(Circle One)? $55 $27.50 I am legally authorized to make purchases using this card. After the 45 day guarantee, I forfeit my right to chargeback and request a reversal of charges for this credit card purchase. Signature___________________________Date_________________________ Please Note: If you pay by money order, your order will be processed immediately and sent out the next day. We wait for all checks to clear so there will be a 7-14 day delay on your order being processed. Credit cards clear faster than checks but slower than money orders. If you are paying by credit card, all the information must be there for order to be processed!

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Re: I must admit. . . (fwd)
by Jim Choate 17 Dec '03

17 Dec '03

Forwarded message: > Date: Mon, 14 Dec 1998 19:14:05 -0600 > From: mib <mib(a)io.com> > Subject: Re: I must admit. . . > On Mon, Dec 14, 1998 at 12:25:50PM -0800, you wrote: > > I wonder sometimes whether or not there is hope for us to ever stop > > this tyrrany. I've seen a bunch of us diss the strike saying it was > > an outlandish and foolish idea, but I hadn't seen anyone of you come > > up with something better. > > Cypherpunks write code? It's too bad they don't publish some of it in a newspaper or two... ____________________________________________________________________ What raises the standard of living may well diminish the quality of life. The Club of Rome The Armadillo Group ,::////;::-. James Choate Austin, Tx /:'///// ``::>/|/ ravage(a)ssz.com www.ssz.com .', |||| `/( e\ 512-451-7087 -====~~mm-'`-```-mm --'- --------------------------------------------------------------------

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