keyfilegenerator.cmd is a versatile tool for administrators seeking a native, zero-dependency solution for key creation. While it lacks the high-level entropy required for enterprise-grade military encryption, it serves as an excellent educational example of batch scripting and a practical tool for everyday file protection.
Uses certutil -generateRandom to create a binary blob. keyfilegenerator.cmd
Setting up multiple SSH keys on one computer | by Kat Connolly keyfilegenerator