@chrysn@chaos.social2025-12-12 00:58:22
We're gathering momentum for slipmux, a transport of #CoAP over serial ports. That specification allows #embedded developers on simple boards that just have a UART to use the same tools with it as for talking to devices across the Internet. This includes security: I guess I just sent the first encrypted…
![Two overlaid terminal sessions:
$ aiocoap-client coap://ttyacm0.dev.alt/.well-known/core --credentials client.diag
# application/link-format content was re-formatted
<>; ct=0; title="Landing page",
</time>; ct=0; title=Clock,
</poem>; sz=1338,
</cbor>; ct=60,
</stdout>; if="tag:riot-os.org,2021:ser-out"
$
followed by a debug log that shows:
[DEBUG] Peer indicated use of the one preconfigured key by KID. (coapcore coapcore/src/seccfg.rs:382)
[DEBUG] Processing 19 bytes at start of message int…](https://assets.chaos.social/media_attachments/files/115/703/868/209/423/980/original/b77027945b116690.png)