Il 14/04/2023 20:19, Simon Goldschmidt ha scritto:
On 13.04.2023 13:23, Giuseppe Modugno wrote:
What is the latest mbedtls version that is compatible with lwip,
specifically the layer altcp_tls_mbedtls.c?
Sorry, the current source did not track the version which it is
compatible with. But
On 13.04.2023 13:23, Giuseppe Modugno wrote:
What is the latest mbedtls version that is compatible with lwip,
specifically the layer altcp_tls_mbedtls.c?
Sorry, the current source did not track the version which it is
compatible with. But I'd gladly accept patches covering that or
improving
On 14.04.2023 10:08, Giuseppe Modugno wrote:
In the past I enabled ALTCP layer to add TLS and I used
altcp_tls_mbedtls examples present in lwip repo.
I thought it was the way to add TLS to lwip.
Let's say it is "our" way to do that.
Recently I looked at some example projects of NXP, such
In the past I enabled ALTCP layer to add TLS and I used
altcp_tls_mbedtls examples present in lwip repo.
I thought it was the way to add TLS to lwip.
Recently I looked at some example projects of NXP, such as this[1].
This is an example of a TLS httpd server. TLS is added by mbedtls, but
ALTCP
What is the latest mbedtls version that is compatible with lwip,
specifically the layer altcp_tls_mbedtls.c?
For sure, current development source code of lwip is not compatible with
latest mbedtls version. Indeed, you can see in altcp_tls_mbedtls.c the
following includes:
|#include
Hi
I'm using LWIP 2.2.0 on an ARM imx.rt platform along with mbedtls version
2.27.0.
Specifically I'm using the altcp_tls 'app' wrapper that makes it easy to switch
between TCP and TLS for my connection to an MQTT broker using mbedtls for the
encryption.
I have just had need to configure a
From: Colin Stanley
Sent: Sunday, September 13, 2020 10:07 AM
To: 'lwip-users@nongnu.org'
Subject: Mbedtls with netconn examples
Is it possible to use the netconn api with altcp / mdebtls. Most of the
examples use raw API, but I have FRREERTOS and need other TCP thread to work
Is it possible to use the netconn api with altcp. Most of the examples use
raw API, but I have FRREERTOS and need other TCP thread to work together.
I understand raw API is not thread safe? Any examples or help steering me in
the right direction would be apricated.
Thanks
Colin
Is it possible to use the netconn api with altcp / mdebtls. Most of the
examples use raw API, but I have FRREERTOS and need other TCP thread to work
together.
I understand raw API is not thread safe? Any examples or help steering me in
the right direction would be appreciated.
Thanks
Colin
later. For me this solved at least this issue. There are still others. As
Mario said on your other thread: it seems it is a long way to go to
optimize all.
Klaus
-Original-Nachricht-
Betreff: Re: [lwip-users] mbedtls
Datum: 2020-02-19T12:42:36+0100
Von: "Trampas Stern"
An
The processor is the ATSAME70 with 384K SRAM, out of which the stack/heap
is 250k so less than 130k is being used by static allocation. The web
server works without https, and I have it setup for 10 connections.
The problem appears to be worse with DEBUG messaging off. However I do not
have
What processor do you have, do you have enough RAM?
How do you turn off DEBUG problem occurs?
When the browser downloads each file, a new connection is made, which
consumes RAM. Process httpd for a permanent connection which is only
one handshake.
wt., 18 lut 2020 o 21:48 Trampas Stern
Right now the interface sometimes works and sometimes does not not. I have
not found the issue, maybe some one can point me in the right direction?
Thanks
Trampas
ssl_tls.c 8936: => free
ssl_tls.c 9001: <= free
ethernet.c 313: Network up IP=192.168.168.156
tcp_out.c 1097: tcp_enqueue_flags:
I figured as much... I am slow at learning this stuff, and figured adding
the note to the forum is good for next guy.
My next problem is that with https I am having problems transferring data.
and getting http_err calls closing connections.
ttpd.c 2792: http_accept 20453718 / 0
httpd.c 2792:
Trampas Stern wrote:
> I found that chrome will not work with openssl keys generated by the comments
> in the code I found I had to generate different keys using the following
> commands.
> [..]
Well, the code in the comment did work at some time. I don't think I can keep
up with the speed
I found that chrome will not work with openssl keys generated by the
comments in the code I found I had to generate different keys using the
following commands.
openssl ecparam -genkey -name prime256v1 -out ca.key
openssl req -x509 -new -SHA256 -nodes -key ca.key -days 3650 -out ca.crt
see:
It appears that ALTCP_MBEDTLS_ENTROPY_PTR is a memory location not a
pointer to function.
I just went in and hacked the entropy_poll.c and created a new function:
int mbedtls_platform_entropy_poll( void *data, unsigned char *output,
size_t len,
size_t *olen )
{
Am 17.02.2020 um 18:09 schrieb Trampas Stern:
> Does anyone know how on an embedded platform to setup the entropy using
> mbedtls?
I did that, but it's been a while, and I don't remember from the top of
my head.
I think you *can* use a string entropy source and implement that
correctly or you
Does anyone know how on an embedded platform to setup the entropy using
mbedtls?
Specifically I am trying to get https running with lwip and getting an
assertion failure:
Assertion "httpd_init: altcp_tls_new failed" failed at line 2872 in
../src/libraries/lwip/src/apps/http/httpd.c
Which I
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