September 2000 - cypherpunks-legacy

CDR: IP protection
by A. Melon 07 Sep '00

07 Sep '00

http://www.vsia.com/ has a new paper on IP protection/detection for cores. Table of Contents VSIA IP Protection DWG 1 Scope 1 Introduction 1 Overview: Security Schemes 2 Deterrents 3 Patents 4 Copyright 4 Trade Secrets 4 Governing Law 4 Protection Mechanisms 5 Encryption 5 Hardware Protection 5 Chemical Protection 5 Detection Schemes 5 Tagging and Tracking 6 Digital Signatures 6 Digital Fingerprinting 6 Digital Watermarking 6 Noise Fingerprinting 7 Silicon Security 7 Programmable SRAM 7 Hard Mask 8 Anti-fuse programmable 8 In the area of electronic design, there are an estimated 100 reverse engineering shops in the US approximately 70 percent of these are funded by government(s), and many of the techniques developed are leaked, or even published, to the industry. The American Society for Industrial Secrets estimates that in the US alone, trade secret theft is in excess of $2 billion per month.

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CDR: 2nd Quarter Taxpats List Up
by Duncan Frissell 07 Sep '00

07 Sep '00

I posted the Fed's 2Q 2000 list of persons "who have chosen to expatriate". Find it via: http://www.frissell.com/taxpat/taxpats.html Most interesting entry? A "person" identified by the Feds as: REINSURANCE, LTD.............. RBC............. Presumably Royal Bank of Canada's reinsurance subsidiary in Ireland & Barbados: http://www.rbcinsurance.ca/ I wonder if they know they've renounced? DCF

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CDR: de minimus non curat lex
by TIGGGGERMOM＠aol.com 07 Sep '00

07 Sep '00

what does this mean????

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CDR: FBI "rejects" student profiling
by brflgnk＠cotse.com 07 Sep '00

07 Sep '00

http://washingtonpost.com/wp-dyn/articles/A23462-2000Sep6.html Of interest: though the unnamed spokesman asserted that the FBI is opposed to profiling students to detect potential school violence, the article still includes a laundry list of "warning signs": "The FBI provided a list of clues to look for after a student has made a violent threat." "Unsupervised" computer and Internet access is mentioned twice. Soon to come: "We cannot be so fixated on the right to free access to information..." For the chiiilldren, of course!

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CDR: Re: My sister
by brainless＠casinoaward.com 07 Sep '00

07 Sep '00

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CDR: This might be the day...
by TroppoLotto 07 Sep '00

07 Sep '00

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CDR: Experience the Legacy...
by apoio＠giganetstore.com 07 Sep '00

07 Sep '00

<http://www.giganetstore.com/> Agora pode encontrar a experiência ALIEN completa em DVD pela primeira vez. Experience The Legacy... Entre na história cronológicamente dos 4 filmes da saga ALIEN. Irá descobrir as personagens, extraterrestes,armas e veículos que fizeram desta saga, uma das melhores de todos os tempos. A Giganetstore.com vai disponibilizar aos seus clientes a oportunidade de receberem em casa no próprio dia do lançamento ( 14 de Setembro ) este fantástico pack que reune os 4 filmes da saga ALIEN, bem como um documentário especial de 68 minutos. Mas atenção esta oferta está sujeita ao stock disponível logo não perca tempo e clique em <http://www.giganetstore.com/index.asp?produtoId=6202> Giga <http://www.giganetstore.com/> netstore.com <http://www.giganetstore.com/> Gigapreços.Gigacompras Para retirar o seu email desta mailing list deverá entrar no nosso site http://www.giganetstore.com <http://www.giganetstore.com> , ir retirar a opção de receber informação acerca das nossas promoções e novos serviços.

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CDR: Re: Mind altering drugs
by David Marshall 07 Sep '00

07 Sep '00

EPKuzas(a)webtv.net (Edward Kuzas) writes: > Can mind altering drugs be given to someone without - that person > knowing? Of course. What a silly question. How else can we explain you?

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CDR: RE: RE: Re: Permutations in DES
by Trei, Peter 07 Sep '00

07 Sep '00

> ---------- > From: Trei, Peter > Reply To: Trei, Peter > Sent: Thursday, September 07, 2000 10:06 AM > To: cypherpunks(a)einstein.ssz.com; 'juzam' > Subject: CDR: RE: Re: Permutations in DES > > My understanding is that the initial permutation, (which essentially > writes the 64 bits of key in a 8 x 8 block by column and row, ^ replace 'key' with 'data'. mea culpa -pt > then reads it out by row and column) was included to simplify > early DES chip hardware. It has no impact on the security of > the algorithm. If you know what you are doing, it does not effect > key agility in software implementations. > > Peter Trei >

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CDR: RE: Re: Permutations in DES
by Trei, Peter 07 Sep '00

07 Sep '00

My understanding is that the initial permutation, (which essentially writes the 64 bits of key in a 8 x 8 block by column and row, then reads it out by row and column) was included to simplify early DES chip hardware. It has no impact on the security of the algorithm. If you know what you are doing, it does not effect key agility in software implementations. Peter Trei > ---------- > From: juzam[SMTP:juzam@cyberspace.org] > Reply To: juzam > Sent: Wednesday, September 06, 2000 5:30 PM > To: cypherpunks(a)einstein.ssz.com > Subject: CDR: Re: Permutations in DES > > according to applied cryptography, these permutaions do not effect the > security of the algorithm, but i'm not sure about the purpose. > > Augusto Jun Devegili wrote: > > > Hi all, > > > > I was just wondering... In DES, there's an Initial > > Permutation (IP) on the plaintext, then 16 rounds, and > > then the inverse permutation (IP^-1) of the result to > > produce the ciphertext. > > > > How effective are these permutations? Do they really > > add diffusion to the algorithm, considering that they > > don't depend on the key? > > > > Someone told me that they are necessary to provide > > reversibility to DES. Is this correct? > > > > Thanks in advance, > > Best Regards, > > > > Devegili > > -- > foo===================== > rim vilgalys >

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