vibe-stream now supports SSLKEYLOGFILE

[bauss]

On Wednesday, 3 September 2025 at 20:02:24 UTC, Steven 
Schveighoffer wrote:
> Just added a new feature to vibe-stream for anyone doing TLS 
> debugging with wireshark.
>
> There is a feature supported on cURL and most browsers known as 
> [SSLKEYLOGFILE](https://www.ietf.org/archive/id/draft-thomson-tls-keylogfile-00.html)
>
> A quick tutorial on how to use it in cURL is 
> [here](https://everything.curl.dev/usingcurl/tls/sslkeylogfile.html).
>
> For the updated 
> [vibe-stream](https://code.dlang.org/packages/vibe-stream) 
> (1.3.0), you can enable the feature (that it uses the 
> environment variable to set up a key log file) by enabling 
> version `VibeKeylogFromEnvironment`.
>
> You can also set up key logging by assigning your own function 
> to the new field (on OpenSSLContext) called `keylogCallback`. 
> This may not be in docs yet, I'm not sure how they update on 
> vibed.org.
>
> Note that this feature is only available with libssl version 
> 1.1.1 or higher. It does not work on other libraries or prior 
> versions (though 1.1.1 is quite old).
>
> Enjoy!
>
> -Steve

Great job!