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Groups > comp.arch.embedded > #28452
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|---|---|
| From | Grant Edwards <invalid@invalid.invalid> |
| Newsgroups | comp.arch.embedded |
| Subject | Re: "Device-to-smartphone" and "smartphone-to-device" technologies |
| Date | Thu, 13 Dec 2018 18:59:54 +0000 (UTC) |
| Organization | PANIX Public Access Internet and UNIX, NYC |
| Lines | 25 |
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| NNTP-Posting-Date | Thu, 13 Dec 2018 18:59:54 +0000 (UTC) |
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On 2018-12-13, Rob Gaddi <rgaddi@highlandtechnology.invalid> wrote:
> On 12/13/18 4:51 AM, pozz wrote:
>
>> Do you think a simple Cortex-M3 running FreeRTOS/superloop with lwip
>> TCP/IP stack is not sufficient? This hw actually runs a HTTP server
>> without big issues.
>
> Yeah, but it's not running HTTPS. I think a CM3 would be woefully
> outclassed by having to slap SSL on top of things, and if you're not
> securing your traffic you're adding to the Internet of Crap problem.
I run HTTPS (and other SSL-based stuff) on a 130MHz CM3, and
connection establishment is where it hurts. It takes 1-2 seconds for
the generation of the ephemeral key and subsequent handshaking. After
that, the actual encryption/decryption is fine. For HTTPS, make sure
you support persistent connections.
If only there was a way to tell a browser not to try open 8 parallel
HTTPS connections at a time, pages would load a hell of a lot
faster...
--
Grant Edwards grant.b.edwards Yow! I represent a
at sardine!!
gmail.com
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"Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-09 23:49 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Dimiter_Popoff <dp@tgi-sci.com> - 2018-12-10 12:04 +0200
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-10 11:33 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Dimiter_Popoff <dp@tgi-sci.com> - 2018-12-10 14:09 +0200
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-10 14:51 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Dimiter_Popoff <dp@tgi-sci.com> - 2018-12-10 22:50 +0200
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-11 14:27 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Dimiter_Popoff <dp@tgi-sci.com> - 2018-12-11 16:50 +0200
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-11 23:34 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Dimiter_Popoff <dp@tgi-sci.com> - 2018-12-12 02:26 +0200
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Theo <theom+news@chiark.greenend.org.uk> - 2018-12-10 14:34 +0000
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-10 23:05 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Theo <theom+news@chiark.greenend.org.uk> - 2018-12-11 11:58 +0000
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-11 14:36 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies lasselangwadtchristensen@gmail.com - 2018-12-10 13:17 -0800
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-10 23:05 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Robert Wessel <robertwessel2@yahoo.com> - 2018-12-10 20:18 -0600
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Mikko OH2HVJ <mikko.syrjalahti@nospam.fi> - 2018-12-12 08:34 +0200
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-13 13:51 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Rob Gaddi <rgaddi@highlandtechnology.invalid> - 2018-12-13 10:09 -0800
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Grant Edwards <invalid@invalid.invalid> - 2018-12-13 18:59 +0000
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Rob Gaddi <rgaddi@highlandtechnology.invalid> - 2018-12-13 11:17 -0800
[OT] Gopher Stef <stef33d@yahooI-N-V-A-L-I-D.com.invalid> - 2018-12-13 21:00 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Grant Edwards <invalid@invalid.invalid> - 2018-12-13 20:37 +0000
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Clifford Heath <no.spam@please.net> - 2018-12-14 08:12 +1100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Grant Edwards <invalid@invalid.invalid> - 2018-12-13 21:46 +0000
Re: "Device-to-smartphone" and "smartphone-to-device" technologies pozz <pozzugno@gmail.com> - 2018-12-14 09:17 +0100
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Grant Edwards <invalid@invalid.invalid> - 2018-12-14 15:18 +0000
Re: "Device-to-smartphone" and "smartphone-to-device" technologies Mikko OH2HVJ <mikko.syrjalahti@nospam.fi> - 2018-12-15 18:20 +0200
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