vtl wrote: ↑
Thu Jun 25, 2020 9:57 pm
Few seconds. I've mentioned a possibility of a side-channel timing attack on BUSY line in my first comment to the thread.
Scroll down the slides, M16 portion is in the middle: http://q3k.org/slides-recon-2018.pdf
17,057,594,037,927,937 * 2 seconds = 34,115,188,075,855,874 seconds = 480,793,563.27 years.
3μs when you get one or more correct or 3μs for each one correct?
If it is 3μs for each one correct. One could get the value of all the bytes by trying strings all the same and then calculating how many are that value. From there it would be a matter of determining the correct order.
Last edited by RickHaleParker
on Fri Jun 26, 2020 11:36 am, edited 2 times in total.
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