C# string to byte[]

https://www.csharp411.com/c-convert-string-to-stream-and-stream-to-string/

int to bytes

https://stackoverflow.com/questions/1318933/c-sharp-int-to-byte

https://docs.microsoft.com/ru-ru/dotnet/api/system.bitconverter.getbytes?view=net-5.0

https://docs.microsoft.com/ru-ru/dotnet/api/system.bitconverter.toint32?view=net-5.0