tom at makeshyft.com
Fri Jan 3 13:55:42 EST 2020
A memory dump can reveal everything stored in memory for a particular
the delete variable command is what you are looking for.
On Fri, Jan 3, 2020 at 1:22 PM JB via use-livecode <
use-livecode at lists.runrev.com> wrote:
> What if I have secure info like a password stored
> in a local variable and then I clear that info by
> putting empty into that local variable.
> How secure is that procedure? I understand a
> local variable does not retain the info after the
> code finishes but I am concerned about any
> info left in memory.
> In the c language to clear the memory you set
> all of the blocks to null. That is because it is
> more secure than doing something like putting
> empty into the variable.
> So the question is when I put empty into a local
> variable I know when you access that variable it
> will return empty but if it has not been set to null
> then is it possible for someone to read the blocks
> of memory and get anything back. In c if you set
> all of the blocks to null and not just the first block
> then you have eliminated the chance of someone
> recovering the info. Is there a secure way to clear
> a variable in Livecode?
> use-livecode mailing list
> use-livecode at lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
Founder & Developer
MakeShyft R.D.A (www.makeshyft.com)
More information about the use-livecode