{"guid":"40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","title":"It is time...to replace MD5...with TCP-AO","subtitle":null,"slug":"denog12-77-it-is-time-to-replace-md5-with-tcp-ao","link":"https://pretalx.denog.de/denog12/talk/7RMSCJ/","description":"In this presentation we will talk about why it is time to replace MD5, what options are available, we introduce the TCP Authentication Option (TCP-AO), explain the concept and where it differs with MD5. We also look at GTSM and why you still need additional security.\nLast couple of slides touch on implementation status and interoperability testing.","original_language":"eng","persons":["Melchior Aelmans"],"tags":["denog12","77","2020"],"view_count":43,"promoted":false,"date":"2020-11-10T10:30:00.000+01:00","release_date":"2021-01-13T00:00:00.000+01:00","updated_at":"2025-07-17T13:30:13.657+02:00","length":1763,"duration":1763,"thumb_url":"https://static.media.ccc.de/media/events/denog/denog12/77-40f88eab-439c-5cda-b5b0-cdf7a72cb7e8.jpg","poster_url":"https://static.media.ccc.de/media/events/denog/denog12/77-40f88eab-439c-5cda-b5b0-cdf7a72cb7e8_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/denog/denog12/77-40f88eab-439c-5cda-b5b0-cdf7a72cb7e8.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/denog/denog12/77-40f88eab-439c-5cda-b5b0-cdf7a72cb7e8.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/denog12-77-it-is-time-to-replace-md5-with-tcp-ao","url":"https://api.media.ccc.de/public/events/40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","conference_title":"DENOG12","conference_url":"https://api.media.ccc.de/public/conferences/denog12","related":[],"recordings":[{"size":216,"length":1763,"mime_type":"video/webm","language":"eng","filename":"denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_webm-hd.webm","state":"new","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2021-01-13T13:36:15.279+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog12/webm-hd/denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/50980","event_url":"https://api.media.ccc.de/public/events/40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","conference_url":"https://api.media.ccc.de/public/conferences/denog12"},{"size":76,"length":1763,"mime_type":"video/webm","language":"eng","filename":"denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_webm-sd.webm","state":"new","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2021-01-13T13:35:08.352+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog12/webm-sd/denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/50978","event_url":"https://api.media.ccc.de/public/events/40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","conference_url":"https://api.media.ccc.de/public/conferences/denog12"},{"size":50,"length":1763,"mime_type":"video/mp4","language":"eng","filename":"denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2021-01-13T13:26:26.062+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog12/h264-sd/denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_sd.mp4","url":"https://api.media.ccc.de/public/recordings/50965","event_url":"https://api.media.ccc.de/public/events/40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","conference_url":"https://api.media.ccc.de/public/conferences/denog12"},{"size":15,"length":1763,"mime_type":"audio/opus","language":"eng","filename":"denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_opus.opus","state":"new","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2021-01-13T13:24:20.667+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog12/opus/denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_opus.opus","url":"https://api.media.ccc.de/public/recordings/50953","event_url":"https://api.media.ccc.de/public/events/40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","conference_url":"https://api.media.ccc.de/public/conferences/denog12"},{"size":26,"length":1763,"mime_type":"audio/mpeg","language":"eng","filename":"denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2021-01-13T13:24:03.465+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog12/mp3/denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/50940","event_url":"https://api.media.ccc.de/public/events/40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","conference_url":"https://api.media.ccc.de/public/conferences/denog12"},{"size":126,"length":1763,"mime_type":"video/mp4","language":"eng","filename":"denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2021-01-13T13:20:56.267+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog12/h264-hd/denog12-77-eng-It_is_timeto_replace_MD5with_TCP-AO_hd.mp4","url":"https://api.media.ccc.de/public/recordings/50932","event_url":"https://api.media.ccc.de/public/events/40f88eab-439c-5cda-b5b0-cdf7a72cb7e8","conference_url":"https://api.media.ccc.de/public/conferences/denog12"}]}