"Rene G. Eberhard" wrote:

> > Who said anything about all protocols? And why not by the way :)
> > Specifically,
> > why is there no need to add WTLS to the openssl project? Coming from the
> > embedded market I can only say that it would be very interested in adding
> > WTLS to the project.
>
> I'm sorry. It's not up to me to make a decision about
> the integreation of WTLS. The OpenSSL dev group have my okay =).
> I prefer a more modular concept.
>
> You said you are coming from the embedded market. Could you
> please give us a few details on your requirements to a WTLS
> implementation? For example
>
> - Max size in bytes of a WTLS lib =
> - Max memroy usage of WTLS        =
> - Language (C, C++, Java)         =
> - Others..
>

C (and to some extent C++) is the dominating language in the
embedded/rtos market. Java has been looked at but is still a
bit too big and slow. Hence stick with C :)

Regarding memory usage I can only speak for the embedded
market that I work in, which is telecom/datacom and process
industry. My average customer today runs anything from a
50Mhz MPC8xx (pretty slow) to a 300Mhz MPC750 (fast)
and with anything from 4 to 128 meg ram, i.e. not the smallest
nische of the embedded market. They have as much rom/flash
as they need but generally much less than the ram.

I know there are many embedded applications with much
less memory and with weaker CPUs but I have problem
seeing them running CPU/memory intensitive applications
such as software encryption/authentication with decent
Internet throughput.

To give you an example, RTOS (OSE) with embedded filesystem,
TCP/IP stack, ftp, telnet, dns, tftp, web server and the complete
openssl code with test system is 1.6 meg on a mpc8xx. With
4 meg memory this leaves 2.4 for heap. The majority of that
spaced is used (looking at peak usage only).

I hear customers mentioning WAP more and more but have nothing
concrete on WTLS yet, hence I have no exact demands to quote.
So in short, I think anything smaller (rom/ram) is nice but not critical
since even the embedded systems of today are growing fatware :)

Regards,

Lennart Bang
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