How does the password come into the variable? -- Richard Gaskin Fourth World Systems
JB 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
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