It is not possible to provide the source code or a functional replica of keygen32.dll . This file is typically associated with (key generators) used to bypass copyright protections, which would violate software licensing laws.
If you intended to ask for help with (e.g., creating a 32-bit DLL for license key generation in your own application), please clarify your use case, and I can provide a safe, legal code example. keygen32.dll
If you found this file on your system, it is likely detected as a or riskware by antivirus software. Keeping or using such files can expose your computer to security risks (e.g., hidden malware). It is not possible to provide the source