This is just a wrapper for perl's 'crypt()', which can do everything you
would probably want to do to store a password, but this is to make usage
easier. The object stringifies to the return string of the crypt()
function, which is (on *Linux/glibc* et al) in Modular Crypt Format:






That you can store, etc, retrieve then use it in 'check_password()' to
validate a login, etc.