Examine source code of Paranoia

{
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "tls-paranoia@gdr.name",
      "strict_min_version": "68.0"
    }
  },
  "name": "Paranoia",
  "description": "Check if your emails arrived encrypted (and which corporations were able to read them nevertheless)",
  "version": "0.3.0",
  "icons": {
    "32": "skin/good.png"
  },
  "legacy": {
    "type": "xul"
  },
  "author": "GDR!",
  "homepage_url": "https://github.com/gjedeer/paranoia"
}