Crear una página web

1º- The Admin register new users (username, password) in the Web Hosting server      or Pc-server ( WinXp, Win7, Win8...) (Apache, PHP, MySql).      and are commanded an email with the password for verification. for example: User: email Password: ???????? 2º- Users access via web https: // ... safely, SSl, AES,RSA. 3º- Each user will see your folders, files, and a calendar of warnings that sends the Admin.     Admin can send notices to all users registered on the server via email. 4º- documents or files (*.pdf,*.docx,*.doc,*.jpg,*.bmp, *.gif),... each user is encrypted on the server, but when users log     documents or files are decrypted and be seen. In short it is like a book with quotes and messages, documents, and these citations and notices, documents are created by the Admin, and all via web example. can be and is open source, [login to view URL] I request : development. how to install, how to configure ?.