{"guid":"1a1b0866-0e61-410e-842d-2f6879634423","title":"Learning from bad Crypto","subtitle":"A look at the Owncloud encryption module","slug":"eh16-74-learning_from_bad_crypto","link":"https://fahrplan.eh16.easterhegg.eu/events/74.html","description":"The talk will explain how to exploit the weak design of the encryption module that comes shipped with Owncloud. The flaw is a nice educational example on how to get cryptography wrong.","original_language":"eng","persons":["Hanno Böck"],"tags":["Security \u0026 Safety"],"view_count":707,"promoted":false,"date":"2016-03-27T22:15:00.000+02:00","release_date":"2016-03-28T02:00:00.000+02:00","updated_at":"2025-12-29T21:00:17.531+01:00","length":1593,"duration":1593,"thumb_url":"https://static.media.ccc.de/media/conferences/eh2016/74-sd.jpg","poster_url":"https://static.media.ccc.de/media/conferences/eh2016/74-sd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/eh2016/1a1b0866-0e61-410e-842d-2f6879634423-timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/eh2016/1a1b0866-0e61-410e-842d-2f6879634423-thumbnails.vtt","frontend_link":"https://media.ccc.de/v/eh16-74-learning_from_bad_crypto","url":"https://api.media.ccc.de/public/events/1a1b0866-0e61-410e-842d-2f6879634423","conference_title":"Easterhegg 2016","conference_url":"https://api.media.ccc.de/public/conferences/eh16","related":[{"event_id":195,"event_guid":"import-d9fb5cbb587f426fb5","weight":4},{"event_id":1822,"event_guid":"L10c_0Q6XDadTgKo1fzSXQ","weight":4},{"event_id":2978,"event_guid":"1e7ea0be-38c8-47f2-99bb-9f0ce71a53ee","weight":9},{"event_id":2979,"event_guid":"e2d62f19-f20d-47fe-94eb-4a892e95875e","weight":6},{"event_id":2983,"event_guid":"f3064ebc-ab1b-4c5a-9380-e80bcdaf43b7","weight":7},{"event_id":2986,"event_guid":"f361b88c-3b05-45c6-bbff-6aaa6fd41b50","weight":4},{"event_id":2987,"event_guid":"9a2446e0-f287-4e92-9030-0df63edef025","weight":5},{"event_id":2990,"event_guid":"6de11db2-2aae-4cd1-969f-f2a16a557f8f","weight":4},{"event_id":2996,"event_guid":"79081f29-4aa1-489c-85e4-d290d68c1e19","weight":15},{"event_id":2999,"event_guid":"0cd4467e-31c9-43bf-a315-491dc48c3c6a","weight":6},{"event_id":3000,"event_guid":"ac29bbb4-b612-4ef4-b105-0e7e9476d334","weight":7},{"event_id":3002,"event_guid":"64928679-8846-44fa-8ec4-a53e2d0d0701","weight":6},{"event_id":3003,"event_guid":"8c0eb332-8b5d-4c78-82a5-8b99aba71210","weight":5},{"event_id":3005,"event_guid":"f390d1c8-9712-40bd-a09d-9d7b7508b348","weight":5},{"event_id":3007,"event_guid":"8d3d7bf7-7e45-4621-9da2-dd518609a45c","weight":11},{"event_id":3485,"event_guid":"d0137666-6a60-497c-b921-945279153900","weight":5}],"recordings":[{"size":58,"length":1593,"mime_type":"video/mp4","language":"eng","filename":"eh16-74-eng-Learning_from_bad_Crypto_sd.mp4","state":"downloaded","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2016-03-28T00:27:22.810+02:00","recording_url":"https://cdn.media.ccc.de/events/eh2016/h264-sd/eh16-74-eng-Learning_from_bad_Crypto_sd.mp4","url":"https://api.media.ccc.de/public/recordings/10107","event_url":"https://api.media.ccc.de/public/events/1a1b0866-0e61-410e-842d-2f6879634423","conference_url":"https://api.media.ccc.de/public/conferences/eh16"},{"size":64,"length":1593,"mime_type":"video/webm","language":"eng","filename":"eh16-74-eng-Learning_from_bad_Crypto_webm.webm","state":"downloaded","folder":"webm","high_quality":false,"width":720,"height":576,"updated_at":"2016-03-28T08:45:39.881+02:00","recording_url":"https://cdn.media.ccc.de/events/eh2016/webm/eh16-74-eng-Learning_from_bad_Crypto_webm.webm","url":"https://api.media.ccc.de/public/recordings/10135","event_url":"https://api.media.ccc.de/public/events/1a1b0866-0e61-410e-842d-2f6879634423","conference_url":"https://api.media.ccc.de/public/conferences/eh16"},{"size":9,"length":1565,"mime_type":"audio/opus","language":"eng","filename":"eh16-74-eng-Learning_from_bad_Crypto.opus","state":"downloaded","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2016-03-28T02:19:17.031+02:00","recording_url":"https://cdn.media.ccc.de/events/eh2016/opus/eh16-74-eng-Learning_from_bad_Crypto.opus","url":"https://api.media.ccc.de/public/recordings/10116","event_url":"https://api.media.ccc.de/public/events/1a1b0866-0e61-410e-842d-2f6879634423","conference_url":"https://api.media.ccc.de/public/conferences/eh16"},{"size":11,"length":1565,"mime_type":"audio/mpeg","language":"eng","filename":"eh16-74-eng-Learning_from_bad_Crypto.mp3","state":"downloaded","folder":"mp3-audio-only","high_quality":false,"width":0,"height":0,"updated_at":"2016-03-28T02:19:31.983+02:00","recording_url":"https://cdn.media.ccc.de/events/eh2016/mp3-audio-only/eh16-74-eng-Learning_from_bad_Crypto.mp3","url":"https://api.media.ccc.de/public/recordings/10117","event_url":"https://api.media.ccc.de/public/events/1a1b0866-0e61-410e-842d-2f6879634423","conference_url":"https://api.media.ccc.de/public/conferences/eh16"}]}