How to verify that PasswordVault encrypts the credentials on Windows Phone 8.1

Windows (Phone) 8.1 has a Credential Locker called PasswordVault that you can use to store and encrypt credentials.

I saw from this question you are able to access or get the credentials via the Reference Manager on Windows 8. So, I am looking for something similar, but on the Windows Phone 8.1.

Question: How do I get access to the PaswordVault's credentials on the Windows Phone?

Purpose: I don't like to take things on face value, I want to verify that the credentials are really encrypted.