New Discrete Log Record due to Joux and Lercier

2001-04-18 Thread dmolnar
From the [EMAIL PROTECTED] mailing list: Date:Tue, 17 Apr 2001 22:52:56 -0400 From:Reynald LERCIER [EMAIL PROTECTED] Subject: Discrete logarithms in GF(p) Tuesday, April 17 2001. We are very pleased to announce a new record for the general discrete logarithm problem. We were able to

Re: Tamperproof devices and backdoors

2001-05-25 Thread dmolnar
On Fri, 25 May 2001, Matt Blaze wrote: That's it. I vaguely recall paper about a year or two ago by, I think, Bart Preenel, that expanded on a similar idea. I don't think it cited our MKCS tech report, so I presume he wasn't aware of it and took a slightly different direction. That is

Re: Tamperproof devices and backdoors

2001-05-25 Thread dmolnar
On Fri, 25 May 2001, Enzo Michelangeli wrote: On the Other Other Hand, I vaguely remember a neat paper by Matt Blaze some years ago that shows that certain classes of back doors, like good back doors in conventional crypto systems, are equivalent in difficulty to building a public key

Re: crypto flaw in secure mail standards

2001-06-23 Thread dmolnar
On Fri, 22 Jun 2001, Jeffrey I. Schiller wrote: However, having said all this, Don has a point. There may be a class of message where you want to prove that you originated it *only to the original sender*. If he has a way to do that, it sounds like a good thing. One way to do this is

Re: crypto question

2002-03-20 Thread dmolnar
On Thu, 21 Mar 2002, McMeikan, Andrew wrote: A question and a probe. Question. Is it possible to have code that contains a private encryption key safely? Every way I look at it the answer seems no, yet some degree of safety might be possible by splitting an encrypting routine across