Convert J# or Delphi to C#

I have a small project that needs to be converted to c#. The project has been written in delphi, but the same project also exists in J#, so whatever you are most comfortable with. I've got the source code of both projects. The new code should be written in C#. Nothing new needs to be added to the code, it's just converting the code and making it work. Basically the old project did encrypt and compress an xml file and some attachments. And it did a decompress and a decrypt.. I have done a major part of the coding in c#, but it needs to be completed. I estimate it needs max two days to complete this project.