{"guid":"9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","title":"Krypto knacken für Anfänger","subtitle":null,"slug":"c4.openchaos.2018.10.krypto-knacken-fuer-anfaenger","link":"https://c3voc.de","description":"Moderne Kryptographie ist ein wichtiges Feld der angewandten Mathematik.\nDie dadurch erarbeiteten Bausteine, sogenannte kryptographische Primitive,\nwerden als sicher bewiesen.\nJedoch gilt diese Eigenschaft nur wenn diese korrekt verwendet werden.\nBei dem Kombinieren dieser Bausteine zu einem kryptographischen System\nkommt es oft zu Fehlern welche die gesamte Sicherheit des Systems\nkompromittieren können.\n\nIn diesem Vortrag werden bekannte Angriffe auf solche Systeme präsentiert,\ndafür werden Übungen von der Website Cryptopals verwendet\nund mit überraschend wenigen Zeilen Code in der Programmiersprache Ruby gelöst. ","original_language":"deu","persons":["Vasilij “wasamasa” Schneidermann"],"tags":["openchaos","1810","OpenChaos"],"view_count":3524,"promoted":false,"date":"2018-10-25T00:00:00.000+02:00","release_date":"2018-10-26T02:00:00.000+02:00","updated_at":"2026-04-16T19:45:05.110+02:00","length":2746,"duration":2746,"thumb_url":"https://static.media.ccc.de/media/regional/c4/openchaos/1810-hd.jpg","poster_url":"https://static.media.ccc.de/media/regional/c4/openchaos/1810-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/regional/c4/openchaos/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7-timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/regional/c4/openchaos/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7-thumbnails.vtt","frontend_link":"https://media.ccc.de/v/c4.openchaos.2018.10.krypto-knacken-fuer-anfaenger","url":"https://api.media.ccc.de/public/events/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","conference_title":"OpenChaos","conference_url":"https://api.media.ccc.de/public/conferences/oc","related":[{"event_id":1057,"event_guid":"import-d93f6f776ff5e0bf3d","weight":30},{"event_id":2078,"event_guid":"7156e245-d372-44d9-af0f-cbaa2e089f2c","weight":13},{"event_id":2301,"event_guid":"419d4f7e-7506-4d46-8700-e47e164a8e32","weight":22},{"event_id":2408,"event_guid":"25d1ba3b-cf21-4d83-935d-d064f10a6035","weight":20},{"event_id":2451,"event_guid":"746c83c2-b29b-41e7-be5b-fafdfe923a5a","weight":25},{"event_id":2634,"event_guid":"c153ecc0-6ead-46ea-9bc7-8d2b774c4a3f","weight":16},{"event_id":2796,"event_guid":"3c066b63-c764-4571-bc3b-eb8dfbb5a6d9","weight":14},{"event_id":2814,"event_guid":"3cb4101c-2042-4883-b6fb-6591994a70c0","weight":16},{"event_id":2868,"event_guid":"0549d204-604a-46c5-92a2-e64b85aa9892","weight":14},{"event_id":2907,"event_guid":"3b16ddc9-499b-44b1-9084-b3e328daea30","weight":25},{"event_id":2920,"event_guid":"d516ffe3-d32d-4bed-8289-09d245ac2b2f","weight":13},{"event_id":2922,"event_guid":"47cbd880-f500-4c44-b717-c11ed1da087d","weight":13},{"event_id":2923,"event_guid":"ba780105-8cc1-4e6e-8552-5e3bc150b9ff","weight":12},{"event_id":2938,"event_guid":"03c8501f-d327-4228-a9fe-2635370d25d2","weight":35},{"event_id":2958,"event_guid":"2714ce2a-4930-436e-b1e4-b461a6a79a15","weight":24},{"event_id":3615,"event_guid":"74783236-46f4-493c-9574-1b27a44847b7","weight":96},{"event_id":3695,"event_guid":"c300b194-2a85-4705-92aa-b4e789882303","weight":15},{"event_id":3702,"event_guid":"5fb5e620-383a-4679-b37a-beef20bcd4fe","weight":17},{"event_id":3787,"event_guid":"f3358998-1465-4445-885e-74d880be57d0","weight":26},{"event_id":3848,"event_guid":"e6746e7f-dca9-4265-86c7-0bef863d83a9","weight":16},{"event_id":3853,"event_guid":"efeeaebc-3f29-11e7-9ba7-2f214305c877","weight":29},{"event_id":4485,"event_guid":"da208942-2be8-4f14-9466-ba8e7b74fca8","weight":33},{"event_id":4606,"event_guid":"5400c892-12e3-4199-b976-a68b0b54c159","weight":35},{"event_id":4706,"event_guid":"cc614df4-ff39-4475-99d5-6597e5fadc75","weight":19},{"event_id":4826,"event_guid":"16645200-2036-4a3c-a44d-a5ff44ac2991","weight":15},{"event_id":4866,"event_guid":"117a52b4-f675-49dd-aafe-659c07b6bc9c","weight":24},{"event_id":4936,"event_guid":"fa2a2506-f54d-4e3f-9fc2-e808d0a580b6","weight":17},{"event_id":5252,"event_guid":"7805cae2-d664-441a-af87-555a2c5633a2","weight":21},{"event_id":5393,"event_guid":"faea7134-21b2-5264-9e02-a8706b63e7fc","weight":15},{"event_id":5521,"event_guid":"c3dbbb23-45de-421a-89bf-74ba5f0607e8","weight":25},{"event_id":5569,"event_guid":"d37bc91e-f1dd-4fbb-b793-c08b2436eecb","weight":38},{"event_id":5638,"event_guid":"bc119064-0b23-443b-82d4-55719d478151","weight":47},{"event_id":5722,"event_guid":"906c5611-7e85-4593-8a4e-b33dedfce19e","weight":20},{"event_id":5832,"event_guid":"fcae0fe2-fc3b-466f-85d5-4777cd46099d","weight":77},{"event_id":6015,"event_guid":"2565d7fd-510e-57b4-a4e8-2566d6c85915","weight":59},{"event_id":6024,"event_guid":"04b15cf2-0797-464d-92c1-245bff59b4bc","weight":19},{"event_id":6058,"event_guid":"7fe2a84b-bbed-4a4e-80fb-85b581c14b13","weight":9},{"event_id":6078,"event_guid":"8a3c7006-ba7f-451c-a555-3a9ca4af5f2f","weight":16},{"event_id":6098,"event_guid":"289155d4-9fab-46ad-86e6-6db5d065e44a","weight":12},{"event_id":6115,"event_guid":"93b7d8a6-345b-405a-a3f2-0dc09ddd2e28","weight":141},{"event_id":6189,"event_guid":"d6e07140-7e64-5404-9a88-007f54545a24","weight":16},{"event_id":6209,"event_guid":"ddf4fa10-76ea-5241-a45d-3f04386dd30b","weight":10},{"event_id":6219,"event_guid":"2efe6192-a6c6-5926-9748-59ba7de38d1d","weight":15},{"event_id":6228,"event_guid":"f91571a6-05c7-58d3-add6-5934e640fc8c","weight":22},{"event_id":6229,"event_guid":"255cb75a-a2bb-5495-88f9-94be005953f1","weight":18},{"event_id":6230,"event_guid":"1642ffb9-de52-5206-8327-23c27efb82bc","weight":7},{"event_id":6231,"event_guid":"ba718329-a649-5055-a01a-11398e9c018e","weight":15},{"event_id":6235,"event_guid":"92ef3314-f658-46c1-bf24-6772fe973e60","weight":22},{"event_id":6245,"event_guid":"f2ed03d9-65fe-49ea-9c9a-2116499a6563","weight":9},{"event_id":6249,"event_guid":"456fb60c-5ce7-11e8-be47-1fb2912eb894","weight":14},{"event_id":6430,"event_guid":"462f9320-3a0e-4785-82de-15343803c2ba","weight":12},{"event_id":6462,"event_guid":"23e85d7a-9645-4ae2-9954-63b71abc08d4","weight":12},{"event_id":6474,"event_guid":"f58a2b6d-bde0-483b-a8db-043ea9371cb6","weight":40},{"event_id":6543,"event_guid":"48ed6dea-e67d-4866-8c35-318e9d892363","weight":52},{"event_id":6603,"event_guid":"ea00d1e0-a580-415f-a8cf-f02883d939dc","weight":33},{"event_id":6634,"event_guid":"71bdcf60-c567-4cf6-94f4-5681b1d008b4","weight":15},{"event_id":6748,"event_guid":"b3fe7f83-cdd3-436a-91db-56c13b2aeb3a","weight":51},{"event_id":6752,"event_guid":"d4be771b-799c-4d7d-83ee-dc87e3a7ad78","weight":14},{"event_id":6753,"event_guid":"7fb7e9a0-0bcd-4500-a0e5-5a99614a192c","weight":13},{"event_id":6879,"event_guid":"ca68a158-717c-4626-9fad-783b091e9302","weight":22},{"event_id":6915,"event_guid":"5a73bf6b-42c5-50af-9120-bab2d5f20866","weight":13},{"event_id":7163,"event_guid":"bd38872d-c3ee-45d6-b3e9-a0da37e67d1a","weight":15},{"event_id":7236,"event_guid":"e3bdda0e-c95f-4021-8500-3718a2913352","weight":20}],"recordings":[{"size":141,"length":2746,"mime_type":"video/mp4","language":"deu","filename":"openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_hd.mp4","state":"new","folder":"2018/h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2018-10-26T01:40:08.615+02:00","recording_url":"https://cdn.media.ccc.de/contributors/koeln/open_chaos/2018/h264-hd/openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_hd.mp4","url":"https://api.media.ccc.de/public/recordings/29902","event_url":"https://api.media.ccc.de/public/events/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","conference_url":"https://api.media.ccc.de/public/conferences/oc"},{"size":209,"length":2746,"mime_type":"video/webm","language":"deu","filename":"openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_webm-hd.webm","state":"new","folder":"2018/webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2018-10-26T17:38:41.280+02:00","recording_url":"https://cdn.media.ccc.de/contributors/koeln/open_chaos/2018/webm-hd/openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/29907","event_url":"https://api.media.ccc.de/public/events/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","conference_url":"https://api.media.ccc.de/public/conferences/oc"},{"size":36,"length":2741,"mime_type":"audio/opus","language":"deu","filename":"openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_opus.opus","state":"new","folder":"2018/opus","high_quality":false,"width":0,"height":0,"updated_at":"2018-10-26T17:38:45.848+02:00","recording_url":"https://cdn.media.ccc.de/contributors/koeln/open_chaos/2018/opus/openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_opus.opus","url":"https://api.media.ccc.de/public/recordings/29906","event_url":"https://api.media.ccc.de/public/events/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","conference_url":"https://api.media.ccc.de/public/conferences/oc"},{"size":65,"length":2746,"mime_type":"video/mp4","language":"deu","filename":"openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_sd.mp4","state":"new","folder":"2018/h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2018-10-26T17:40:05.589+02:00","recording_url":"https://cdn.media.ccc.de/contributors/koeln/open_chaos/2018/h264-sd/openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_sd.mp4","url":"https://api.media.ccc.de/public/recordings/29905","event_url":"https://api.media.ccc.de/public/events/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","conference_url":"https://api.media.ccc.de/public/conferences/oc"},{"size":87,"length":2746,"mime_type":"video/webm","language":"deu","filename":"openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_webm-sd.webm","state":"new","folder":"2018/webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2018-10-26T17:40:09.625+02:00","recording_url":"https://cdn.media.ccc.de/contributors/koeln/open_chaos/2018/webm-sd/openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/29904","event_url":"https://api.media.ccc.de/public/events/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","conference_url":"https://api.media.ccc.de/public/conferences/oc"},{"size":41,"length":2741,"mime_type":"audio/mpeg","language":"deu","filename":"openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_mp3.mp3","state":"new","folder":"2018/mp3","high_quality":false,"width":0,"height":0,"updated_at":"2018-10-26T17:40:13.452+02:00","recording_url":"https://cdn.media.ccc.de/contributors/koeln/open_chaos/2018/mp3/openchaos-1810-deu-Krypto_knacken_fuer_Anfaenger_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/29903","event_url":"https://api.media.ccc.de/public/events/9fa9eae0-2d2f-4bce-a7f5-1983003b3db7","conference_url":"https://api.media.ccc.de/public/conferences/oc"}]}