Many legacy programs used specific, oddly named files to store registration data or hardware IDs to prevent piracy.
The term Secret.32l or similar filenames ending in .32l typically refers to used by older Windows-based server software. In the context of WebcamXP: My Webcamxp Server 8080 Secret.32l
If you see this in a temporary folder, it might be a cached session token allowing a remote user to stay logged into the Port 8080 stream without re-entering a password. Why Port 8080? Many legacy programs used specific, oddly named files