I think that concept would work better as sighning executables rather than stopping the world and validating against a data base. Create a private key from the

I think that concept would work better as sighning executables rather than stopping the world and validating against a data base. Create a private key from the user's password (which of course cannot be derived from information stored on the computer). When an unsighned binary tries runing, require the user to provide their password to sighn it.