C# - Securely storing a password locally

Question

I\'m creating a C# application that will lock out functionality (key combinations, windows task bar, etc.) in a Kiosk-style environment. One of the requirements is that some

Answer 1

Store a secure hash of the password, it doesn't need to be reversible.

When someone enters a password you hash that by the same algorithm and check it matches the hash.

Because you never store the actual password it's secure.

I recommend using a key stretching algorithm like PBKDF2. .Net has support for this using Rfc2898DeriveBytes or you can use System.Web.Helpers.Crypto.