I mentioned ranted about this topic as a section of a previous blog post (at the very end), but the topic keeps coming up, so I am escalating to a full blog post, since obviously that will help with all these people who are wrong on the internet standardization. The Problem Prehashing is a paradigm often used within the context of digital signature schemes. To understand where the problem is, let’s start with the normal definition of a signature scheme, as used by cryptographers, as a tuple of t...