openpgp-notes/book/source/08-signature_internals.md

# Signature "internals"

```{admonition} TODO
:class: warning

  - Subpackets and how to make sense of them
  - "Negotiating" signature hash algorithm based on recipients preference subpackets
  - Explore viability of having multiple signatures, e.g. v4+v6?
```

## Notations

## Zooming in: Package structure