It was suggested, by an anonymous author, that perhaps a personal wiki should have encryption ability to protect personal information from others. The entries and poorly contrived WikiPage were deleted. There was some confusing talk of using https, but how this relates to a personal wiki exactly I am not sure. However, encryption of a personal wiki is an interesting idea.
the best thing to have is EncryptedWiki
A solution for encryption of a Personal Wiki, may be to use an encrypted container (basically an image of a drive/disk/CD that is mountable as a virtual drive) for your wiki installation. Here are some current freeware on-the-fly-encryption (OTFE) software:
asdf0(&(*&D)(*DF(*&(S*DFsdfalksdfas&%^D%S^F&SDf
If you can read that, I failed.