markehack

Montgomery ladder Co-z will fail for -2,-1,0,1 from n for p256r1 f the keys are regularized and extended by 1 bit. Either you can reject these keys or if you...

I have some time available over the next few weeks to do more testing. This gets quite messy since part of regularizing is to extend the length by one bit...

This would be very useful. Add my vote for this request.