I lol'd.
Security by obscurity...
Also funny: "It is a very good professionally created and maintain viewer."
I also write very good software ;)
Not so funny is this: "Free Software to View and Print PDF, TIFF and CSF" from: http://www.bravaviewer.com/reader.htm
Maybe you can tell him to change that to freeware or something similar.
Henner
Matthias Kirschner wrote:
- Gary Heath garyh@infograph.com [2009-10-29 22:16:27 -0700]:
Just realized you are only listing Open Source offerings. Respect the reasons for that. Our offering is not open source and therefore doesn't qualify.
I exchanged some e-mails with him. Will not answer about my opinion on this kind of security.
Best wishes, Matthias
Subject: RE: oops - please ignore last email From: "Gary Heath" garyh@infograph.com Date: Fri, 30 Oct 2009 07:12:09 -0700 To: "Matthias Kirschner" mk@fsfe.org
To: "Matthias Kirschner" mk@fsfe.org
Matthias,
For one our Brava Reader also supports a concept called Visual Rights which involves a file format we've created called CSF (content secure format). A CSF is much like a PDF but it is designed to be secure. Basically the key value is an ability to send someone a CSF rendition of a document, image or CAD drawing (text searchable, layering support for CAD, etc) but in so many days it can "time bomb" by publish settings and no longer be viewable. Very useful for procurement bidding or sending sensitive data.
Because the Brava! Reader supports this encrypted file designed for content security - the concept of providing open source that exposes how we decrypt, process a CSF, or even how we check for a trusted time source to validate whether the user has tried to set back the clock on their pc, because difficult for us to do. So the short answer is because we have a security concept in the software.
Brava opens PDF, TIFF, XPS (sort of), and our secure CSF. We provide the viewer for free use and update it about every eight months. It is a very good professionally created and maintain viewer.
But I am sorry to say it is not open source I think for a good reason. I do understand that your organization is only interested in that type of software. I was going to fast in my first email and my apology again for that.
Gary
-----Original Message----- From: Matthias Kirschner [mailto:mk@fsfe.org] Sent: Friday, October 30, 2009 6:02 To: Gary Heath Subject: Re: oops - please ignore last email
Hi Gary,
- Gary Heath garyh@infograph.com [2009-10-30 05:53:24 -0700]:
Our software is totally free just not open source. It doesn't require registration as well.
I would be very interested to know why you do not publish your software under a Free Software license like the GPL, LGPL or something like that. Can you explain it to me?
Best wishes, Matthias
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