Post
Topic
Board Development & Technical Discussion
Re: New transaction malleability attack wave? Another stresstest?
by
gmaxwell
on 08/10/2015, 17:43:32 UTC
The is an easy rule-of-thumb to spot high-S signatures.  For example, the following sig is high-S
This test is not quite precise, so implementers of bitcoin software shouldn't implement the test this way. Smiley The threshold is not a power of two, so no tidy hex digit sniffing can be precise.