Re: Cache passwords

[Jeremy Maitin-Shepard <jbms@attbi.com>]

Jesper Harder <harder@ifa.au.dk> writes:

> Jeremy Maitin-Shepard <jbms@attbi.com> writes:
>> Given that garbage collection is used, and the high-level nature of
>> emacs lisp, I that there is good reason to believe that regardless of
>> any amount of effort, the password might remain somewhere in memory for
>> a while.

> I do believe that explicitly overwriting a string, e.g. with
> `clear-string', *will* change the bits immediately.

That is true, but you don't know how many copies were made while
reading it from the minibuffer, etc.

> But it's less obvious what the effect of `clrhash' is, as Simon notes.

Indeed, this probably does not zero the individual strings.

-- 
Jeremy Maitin-Shepard