http://simonwillison.net/2008-04-04T19:24:36+00:00Simon Willison2008-04-04T19:24:36+00:002008-04-04T19:24:36+00:00https://simonwillison.net/2008/Apr/4/hash/#atom-tag

<p><strong><a href="http://th.informatik.uni-mannheim.de/people/lucks/HashCollisions/">Hash Collisions (The Poisoned Message Attack)</a></strong></p> Demonstrates the MD5 weakness by providing two deliberately engineered PostScript documents with the same MD5 hash but radically different rendered output. <p>Tags: <a href="https://simonwillison.net/tags/collisions">collisions</a>, <a href="https://simonwillison.net/tags/hashing">hashing</a>, <a href="https://simonwillison.net/tags/md5">md5</a>, <a href="https://simonwillison.net/tags/postscript">postscript</a>, <a href="https://simonwillison.net/tags/security">security</a></p>