{"guid":"b5186a3b-a62a-5d62-b09a-d44d7828084e","title":"Datenschutzfreundliche Terminplanung","subtitle":null,"slug":"ds2009-3348-datenschutzfreundliche-termi","link":"https://datenspuren.de/2009/events/3348.de.html","description":"Terminplanungstools sind vielen vielleicht aus Groupwaresystemen bekannt.\nEin in letzter Zeit sehr beliebtes Beispiel, welches Terminplanung als stand-alone Web 2.0 Anwendung umsetzt ist doodle.\nAll diese Lösungen haben das Problem, dass die Vorlieben bzw. Verfügbarkeitspatterns der Personen veröffentlicht werden.\nIn diesem Vortrag wird ein Protokoll und eine Anwendung vorgestellt, welches das Problem mit homomorpher Verschlüsselung, eine auch im E-Voting verwendete Technik, löst.\n\n","original_language":"deu","persons":["Benjamin Kellermann"],"view_count":0,"promoted":false,"date":"2009-10-03T14:00:00.000+02:00","release_date":"2026-07-06T00:00:00.000+02:00","updated_at":"2026-07-06T21:43:39.755+02:00","tags":["3348","2009","ds2009","Gesellschaft","Kleiner Saal","ds2009-deu"],"length":2908,"duration":2908,"thumb_url":"https://static.media.ccc.de/media/events/datenspuren/2009/3348-b5186a3b-a62a-5d62-b09a-d44d7828084e.jpg","poster_url":"https://static.media.ccc.de/media/events/datenspuren/2009/3348-b5186a3b-a62a-5d62-b09a-d44d7828084e_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/datenspuren/2009/3348-b5186a3b-a62a-5d62-b09a-d44d7828084e.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/datenspuren/2009/3348-b5186a3b-a62a-5d62-b09a-d44d7828084e.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/ds2009-3348-datenschutzfreundliche-termi","url":"https://media.ccc.de/public/events/b5186a3b-a62a-5d62-b09a-d44d7828084e","conference_title":"Datenspuren 2009","conference_url":"https://media.ccc.de/public/conferences/ds2009","related":[],"recordings":[{"length":2908,"mime_type":"video/mp4","language":"deu","filename":"datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1440,"height":1080,"updated_at":"2026-07-06T21:16:14.349+02:00","label":"deu 1080p","size":274,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2009/h264-hd/datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_hd.mp4","url":"https://media.ccc.de/public/recordings/101884","event_url":"https://media.ccc.de/public/events/b5186a3b-a62a-5d62-b09a-d44d7828084e","conference_url":"https://media.ccc.de/public/conferences/ds2009"},{"length":2908,"mime_type":"video/mp4","language":"deu","filename":"datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2026-07-06T21:38:23.439+02:00","label":"deu 576p","size":110,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2009/h264-sd/datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_sd.mp4","url":"https://media.ccc.de/public/recordings/101892","event_url":"https://media.ccc.de/public/events/b5186a3b-a62a-5d62-b09a-d44d7828084e","conference_url":"https://media.ccc.de/public/conferences/ds2009"},{"length":2904,"mime_type":"audio/mpeg","language":"deu","filename":"datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2026-07-06T21:38:27.729+02:00","label":"deu","size":44,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2009/mp3/datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_mp3.mp3","url":"https://media.ccc.de/public/recordings/101893","event_url":"https://media.ccc.de/public/events/b5186a3b-a62a-5d62-b09a-d44d7828084e","conference_url":"https://media.ccc.de/public/conferences/ds2009"},{"length":2908,"mime_type":"video/webm;codecs=av01","language":"deu","filename":"datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_av1-hd.webm","state":"new","folder":"av1-hd","high_quality":true,"width":1440,"height":1080,"updated_at":"2026-07-06T21:43:39.728+02:00","label":"deu 1080p","size":188,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2009/av1-hd/datenspuren-import-3348-deu-Datenschutzfreundliche_Terminplanung_av1-hd.webm","url":"https://media.ccc.de/public/recordings/101899","event_url":"https://media.ccc.de/public/events/b5186a3b-a62a-5d62-b09a-d44d7828084e","conference_url":"https://media.ccc.de/public/conferences/ds2009"}]}