Simon Willison’s Weblog

Oakland crime maps XI: how close, and how bad? Michal Migurski’s experiments with heat maps for Oakland Crimespotting, using OpenStreetMap data as that allows him to position his heat map layer underneath the street labels, keeping them legible.

# 10:16 am / heatmaps, mapping, michal-migurski, oaklandcrimespotting, openstreetmap

Researchers Show How to Forge Site Certificates. Use an MD5 collision to create two certificates with the same hash, one for a domain you own and another for amazon.com. Get Equifax CA to sign your domain’s certificate using the outdated “MD5 with RSA” signing method. Copy that signature on to your home-made amazon.com certificate to create a fake certificate for Amazon that will be accepted by any browser.

# 3:27 pm / collisions, edfelten, equifaxca, hashes, md5, security, ssl