http://simonwillison.net/2009-09-29T09:49:52+00:00Simon Willison2009-09-29T09:49:52+00:002009-09-29T09:49:52+00:00https://simonwillison.net/2009/Sep/29/crypto/#atom-tag

<p><strong><a href="http://mike.teczno.com/notes/gosm.html">openstreetmap genuine advantage</a></strong></p> The OpenStreetMap data model (points, ways and relations, all allowing arbitrary key/value tags) is a real thing of beauty—simple to understand but almost infinitely extensible. Mike Migurski’s latest project adds PGP signing to OpenStreetMap, allowing organisations (such as local government) to add a signature to a way (a sequence of points) and a subset of its tags, then write that signature in to a new tag on the object. <p>Tags: <a href="https://simonwillison.net/tags/cryptography">cryptography</a>, <a href="https://simonwillison.net/tags/geospatial">geospatial</a>, <a href="https://simonwillison.net/tags/mapping">mapping</a>, <a href="https://simonwillison.net/tags/michal-migurski">michal-migurski</a>, <a href="https://simonwillison.net/tags/openstreetmap">openstreetmap</a>, <a href="https://simonwillison.net/tags/pgp">pgp</a></p>