Yes. It should, and I'm on it. On a completely unrelated note, the edit queue is currently full.
There were 60 questions tagged signature when I started. When my edits go through, there should be 13. digital-signature and email-signature fit 41 of them (some already had the relevant more-specific tag); code-signing fit 3, hashing fit 1, and I'm not sure what to do with the following 2.
This one is about using handwritten signatures in digital documents:
This one is about using a static image (an “image signature”) as a form of signature analoguous to a handwritten signature: