Encryption of content on a wiki side is a unique feature of this wiki implementation. It prevents sensitive data to be seen in clear text without knowing a password for a specific side. This allows to store information such as PIN numbers etc. in the same wiki along with less senitive information. 

The process of decrypting and encrypting content is very simple. After saving a wiki side the user my encode the side using a passphrase. The next time this page is being displayed the content will be scrambled (e.g. not human readable). This indicates to the user, that a passphrase needs to entered. There is a form field and a corresponding button available on top of each page. (See also WikiConfig). The content will be descrambled when the same passphrase was used as during encryption.

This method has several advantages. But also a few disadvantages and limitations that the user should be aware of:

* It is possible to use a different passphrase for different content or to always use the same. This is completely up to the user.
* This method does not prevent someone from editing the content of an encrypted page. Of course, this does not reveal sensitive information. But the information might be lossed or destroyed.
* The method is relatively secure specifically since no knowledge about te passphrase is being stored anywhere.
* If the user forgets the passphrase, the content is lost. Note, that there is no limit on trying to decrypt a page with different passphrases.

In summary the encryption provided by this wiki implementation is sufficiently secure for a PIM (personal information manager) while giving the flexibility to the user to decide, which content to protect and how many different passphrases to use.
