Memory usage

[Peter M. Brigham]

On Jul 4, 2013, at 9:53 AM, Richard Gaskin wrote:

> Monte Goulding wrote:
> > If this is the same project I think it is then she can't use
> > encryption because she can't use any externals... nothing but
> > the executable is allowed...
> 
> While not nearly as secure as Blowfish (not by a long shot), this modest encryption script can at least slow down hacks, and as a script is fully embeddable:
> <http://livecodejournal.com/tutorials/handy-handlers-005.html>
> 
> I wouldn't recommend it for data requiring really strong security, but the sort of person able to crack it is likely able to do a memory dump, so it's probably no less secure than limiting stacks to RAM.

I notice that this routine uses md5digest. I have only glanced at it, so I don't know what the weak point is, but would it make any difference if it were updated to use SHA?

-- Peter

Peter M. Brigham
pmbrig at gmail.com
http://home.comcast.net/~pmbrig