Re: patent issues (multiprimes)

2000-05-11 Thread terr
ok - I just read part of the paper. I'm not a cryptographer but I am a mathemetician and here are some trivial conclusions. the algorithm is looking for a number: N where N=p*q for two primes p and q of relatively the same size. If you look at the _original_ equations developed by Pohlig-Hellm

Re: RSA Patent Issues... interesting article...

2000-05-10 Thread EKR
Brian Snyder <[EMAIL PROTECTED]> writes: > Why, when the de-facto standard of internet development/protocol work is to > use open (royalty-free) protocols, did the world of SSL seem to standardize > on a patented algorithm such as SSL. I mean SSL is totally out there for > the world to use, but t

RE: RSA Patent Issues... interesting article...

2000-05-10 Thread Brian Snyder
t... -brian > -Original Message- > From: Geoff Thorpe [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, May 10, 2000 9:16 AM > To: [EMAIL PROTECTED] > Subject: RE: RSA Patent Issues... interesting article... > > > Hi there, > > On Wed, 10 May 2000, Vin McLellan wro

Re: RSA Patent Issues... interesting article...

2000-05-10 Thread Pete Chown
Geoff Thorpe wrote: > Which leaves > the mathematical consideration of the multi-prime keys themselves, and > their generation, to be debated (ie. I doubt the patent could rest on an > argument that it is a physical process, or an implementation invention, > because that should bang its head on t

Re: RSA Patent Issues... interesting article...

2000-05-10 Thread Dr Stephen Henson
Brian Snyder wrote: > > > In short, this article only applies to SSL embedded clients, and that RSA is > legal to use to authenticate a signature to a web server (who have paid the > license fee)... in an embedded SSL client, the client doesnt really use RSA > for encryption of data. In anycase

RE: RSA Patent Issues... interesting article...

2000-05-10 Thread Geoff Thorpe
Hi there, On Wed, 10 May 2000, Vin McLellan wrote: > > http://www.cyberlaw.com/rsa.html good read, it got my brain chewing anyway. :-) > The RSA guys, for whom I have been a consultant for many years, got a > bitter laugh out of it. They said, basically, that Flinn had tried out the > s

RE: RSA Patent Issues... interesting article...

2000-05-10 Thread Vin McLellan
_Vin -Original Message- Brian Snyder wrote: >Hi all. Alot of talk has gone back and forth about RSA patent >issues. Daniel van der Zee pointed this site out to me in some >private email (thanx), and I was curious how experienced poeple > here interpret

RE: patent issues

2000-05-05 Thread Vin McLellan
Douglas Wikström <[EMAIL PROTECTED]> asked for a more detailed description of the MultiPrime RSApkc technique than the RSA press release on RSA's licensing agreement with Compaq: http://www.rsasecurity.com/news/pr/000411-1.html Try: http://www.tandem.com/brfs_wps/esscptt

Re: patent issues

2000-05-04 Thread EKR
Lutz Jaenicke <[EMAIL PROTECTED]> writes: > On Thu, May 04, 2000 at 10:39:05AM +0100, Mark J Cox wrote: > > > Which is about to expire in a few months, if I remember correctly :-) > > > > Then we get into the new MultiPrimes patent instead. For details: > > http://www.apacheweek.com/issues/00-0

Re: patent issues

2000-05-04 Thread Lutz Jaenicke
On Thu, May 04, 2000 at 10:39:05AM +0100, Mark J Cox wrote: > > Which is about to expire in a few months, if I remember correctly :-) > > Then we get into the new MultiPrimes patent instead. For details: > http://www.apacheweek.com/issues/00-04-21#rsa2000 Well, but then, who cares? The Multi

Re: patent issues

2000-05-04 Thread Mark J Cox
> Which is about to expire in a few months, if I remember correctly :-) Then we get into the new MultiPrimes patent instead. For details: http://www.apacheweek.com/issues/00-04-21#rsa2000 Mark Mark J Cox, .. www.awe.com/mark Apache Software Foundation .

Re: patent issues

2000-05-01 Thread Al Borr
2000. > Can I just not use their algorithms and still use OpenSSL and if so how > would I do that. Is there any helpful up-to-date source of information about > this topic? And what other patent issues have to be taken into account in > the US in relation with OpenSSL? Thanks. One approac

Re: patent issues

2000-05-01 Thread terr
OpenSSL so far is patent free and probably will remain generally so unless some hotshot chooses to try to patent something which has already been done - but they don't know about. This has happened - I have examples. RSA's stuff is patented in the US only and it expires as you say in Sept. Thus

patent issues

2000-05-01 Thread Stefan Schmidt
o how would I do that. Is there any helpful up-to-date source of information about this topic? And what other patent issues have to be taken into account in the US in relation with OpenSSL? Thanks. Stefan Schmidt __ OpenSSL Pr