aiocoap | The Python CoAP library | Reactive Programming library
kandi X-RAY | aiocoap Summary
kandi X-RAY | aiocoap Summary
The Python CoAP library
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Top functions reviewed by kandi - BETA
- Handle a single request .
- Unprotect a protected message .
- Pretty print a message .
- Create a server context .
- Issue a request .
- Get the request URI .
- Initialize an endpoint .
- Loads the configuration .
- Protect a message .
- Send a message .
aiocoap Key Features
aiocoap Examples and Code Snippets
Community Discussions
Trending Discussions on aiocoap
QUESTION
When trying to create simple coap server with asyncronous function and asyncio.run it return Event loop is closed. Code below:
...ANSWER
Answered 2021-Nov-16 at 15:29This is an issue resulting from aiocoap still using (and, in some places, using badly) idioms to support Python 3.7 or (in obsoleted parts) even previous versions.
I'm aware asyncio.run()
is preferred, but until the next aiocoap release (in which I plan to update the examples too), the old idiom is what works best across the range of supported Python versions.
QUESTION
I am planning to implement a "simple" DTLS tool in python3, which is able to initiate (client) and accept DTLS (server) connections with a PSK as a PoC (later on i am planning to extend it to certificate-based authentication). I spent days researching libraries that offer this functionality, but i am still not sure what to use. (Any wrapper/library suggestion with documentation/examples are more than welcome).
While it is straightforward to create the DTLS Clients/Servers with the openssl binaries (for example):
openssl s_server -dtls -accept 1337 -nocert -psk deadbeef -cipher PSK-AES128-CCM8
for the server (with a specific ciphersuite) and
openssl s_client -dtls -connect 127.0.0.1:1337 -psk deadbeef -cipher PSK-AES128-CCM8
for the client, i am struggling to find do this with python. (pyopenssl offers no DTLS support) Are there any concrete examples for an implementation using a widly supported library/wrapper? (There are some Coap/IoT libraries out there focussing on the client side (aiocoap), but for my idea it is neccessary to implement both sides)
...ANSWER
Answered 2020-Dec-03 at 09:14I ended up using mbedTLS (former PolarSSL). They offer a quite extensive Python3 wrapper that offering almost all of mbedTLS functionality. The readme offers a very useful DTLS sample implementation featuring authentication using a psk and/or certs.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install aiocoap
You can use aiocoap like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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