{"guid":"import-0d8239451007504f65","title":"The Hash Disaster","subtitle":"Recent Results on Cryptanalysis and their Implications on System Security","slug":"mrmcd101b_-_The_Hash_Disaster","link":"https://mrmcd101b.metarheinmain.de/fahrplan/events/1490.en.html","description":"A lot of actual results show that all widely used hash functions (MD4,MD5,SHA,SHA-1) are broken in a cryptographic sense.\r\n\r\nEven worse because of some internal design properties even practical attacks against MD*-based hash functions security systems could be shown. In this talk we discuss the cryptographic status and some first-aid workarounds. We also show the impossibility to establish a \"Trusted\" infrastructure based on a untrustable cryptographic function.","original_language":"eng","persons":["Rüdiger Weis"],"tags":["mrmcd"],"view_count":0,"promoted":false,"date":"2007-01-01T01:00:00.000+01:00","release_date":"2009-09-28T02:00:00.000+02:00","updated_at":"2021-01-02T20:29:11.238+01:00","length":3638,"duration":3638,"thumb_url":"https://static.media.ccc.de/media/conferences/mrmcd/mrmcd101b/mrmcd101b - The Hash Disaster.jpg","poster_url":"https://static.media.ccc.de/media/conferences/mrmcd/mrmcd101b","timeline_url":"https://static.media.ccc.de/media/conferences/mrmcd/mrmcd101b","thumbnails_url":"https://static.media.ccc.de/media/conferences/mrmcd/mrmcd101b","frontend_link":"https://media.ccc.de/v/mrmcd101b_-_The_Hash_Disaster","url":"https://api.media.ccc.de/public/events/import-0d8239451007504f65","conference_title":"MRMCD 101b","conference_url":"https://api.media.ccc.de/public/conferences/mrmcd101b","related":[],"recordings":[{"size":95,"length":3638,"mime_type":"video/mp4","language":"eng","filename":"mrmcd101b - The Hash Disaster.mp4","state":"new","folder":"","high_quality":false,"width":320,"height":240,"updated_at":"2021-01-02T20:07:33.230+01:00","recording_url":"https://cdn.media.ccc.de/events/mrmcd/mrmcd101b/mrmcd101b - The Hash Disaster.mp4","url":"https://api.media.ccc.de/public/recordings/50168","event_url":"https://api.media.ccc.de/public/events/import-0d8239451007504f65","conference_url":"https://api.media.ccc.de/public/conferences/mrmcd101b"}]}