Handling negative “s” values for signatures?

In comparing these test vectors to my own results, for tests #2 and #5, I end up with negative s values. My results show that for test #2, test_s = my_s * -1, while for test #5, test_s = my_s + curve_order. What is the proper way to handle a negative s (…)

Leave a Reply

Your email address will not be published. Required fields are marked *


You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>