A memory dump can reveal everything stored in memory for a particular process.
the delete variable command is what you are looking for. https://livecode.fandom.com/wiki/Delete_variable On Fri, Jan 3, 2020 at 1:22 PM JB via use-livecode < use-livecode@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? > > JB > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > -- Tom Glod Founder & Developer MakeShyft R.D.A (www.makeshyft.com) Office:226-706-9339 Mobile:226-706-9793 _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode