What is the best way to implement authorization for only one user?

Question

C++ / C#

Hello. Wrote the main functions for the blog, now it's the turn to write authorization for me as the sole author of this blog. Advise how best and minimalistic.

Answer 1

https://docs.microsoft.com/en-us/dotnet/api/system...

Answer 2

using System.IO;

int test = 0;
if(File.Exists(DirectoryInfo.GetCurrentDirectory + "\\test.exe")) i = 1;
return test;

Answer 3

Take a look at HTTP Basic Authentication, here's an example for nginx