[REBOL] Re: ssl and image generation /command features?
From: petr:krenzelok:trz:cz at: 27-Apr-2001 6:45
Holger Kruse wrote:
> On Thu, Apr 26, 2001 at 07:01:50PM +0200, Petr Krenzelok wrote:
> > "On the server, REBOL/Core/Pro adds encryption, external library access, and
> > shell application access to REBOL/Core. REBOL/Command extends even further
> > to include direct database connectivity, SSL (secure sockets, HTTPS), Fast
> > CGI, and image generation functions."
> > ... above info is taken from rebol.com website. Could anyone from RT
> > clarify, please?
> Sure. Still subject to change though. We will make more detailed
> announcements shortly.
> > 1) SSL? Wasn't it said it would add some 1MB of code to Rebol size?
> Yes, usually it would...
> > Are we talking just any kind of library layer, or full implementation?
> A full implementation, at least client-side, without accessing any external
> libraries, i.e. self-contained within Command, built on top of our tcp://
> scheme and encryption engine, which has been further enhanced for Command.
> This includes SSLv2, SSLv3, TLSv1, DES, 3DES and ARCFOUR in export strength
> (and in the non-export version of Command, 128-bit encryption), schemes for
> ssl:// and tls:// (compatible with 'wait and open/no-wait), and an https://
> scheme, interoperable with http:// (for redirects between both schemes etc.),
> and support for tunneling through socks and generic proxies. Should be
> compatible with pretty much any network setup and secure web server out there.
> We managed to squeeze all of this into less than 200 kB of additional code
> (x86 version) :-).
Ah, how's that - 200 kb? Earlier arguments were something like 1MB :-)
Compression? Or just only client side ssl support? Or are you magician? :-)
> Features we MAY include (not sure yet -- space/feature trade-off) are
> extended error messages, support for ssl/tls server side, and certificate
> > 2) what does it mean "image generation functions" and what is its purpose on
> > server side?
> Large parts of the View engine (image! datatype, image refinements for load
> and save, ability to save/png images into a binary!, effects and draw
> pipeline etc.), useful for dynamic creation of images for web pages in
> CGI/FastCGI environments.
> Probably no VID or text support though.
Ah, but look at Carl's example - VID is good for diagrams, shcemes, what is more -
you can save your layout as an image.
> Text support would require X
> libraries and X server access,
or :-))) .... surprise, surprise - your own font rendering system .... hey, add
this and you are near new stand-alone OS .... well, not so near probably :-)
Aren't there any free or licenceable font engines? Elate uses some external IIRC,
QNX too ....
> which are often unavailable on web servers.
tell them to reinstall ;-)