From TorchWood Software:
Vault uses 256 bit encryption, so your information stays protected even if your data file or even your computer becomes compromised. To keep you safe from prying eyes, your passwords are never displayed. Simply click on the clipboard button to copy your password to the clipboard and then paste it into the password field of the system that you are logging into. Need to step away from your computer for a while? No need to quit out of Vault, just click the "Lock" button and all of your information is secured until you unlock it with your master password.