{"guid":"a52771da-3c90-48f2-8954-a31319e0652e","title":"God does not play dice!","subtitle":"an introduction to quantum cryptography for sysadmins and curious","slug":"froscon2020-2546-god_does_not_play_dice","link":"https://programm.froscon.de/2020/events/2546.html","description":"a fantastic journey into the world of the smallest particles and its use to implement a tap-proof connection\n\nOnly the content counts - the substance is irrelevant. (Is teleportation possible?)\n\"There are more things in heaven and earth than are dreamt of in your philosophy, Horatio.\n(A\njourney into the unimaginable world of the quantum)\nThe Heisenberg uncertainty principle (Who measures manure even if he measures manure.)\nNiels Bohr's atomic model (The world as we thought we knew it)\nAnd now please turn off your mind! Unbelievable statements about the world of\nsmallest\nParticle.\nDoes teleportation also transfer information? The phenomenon of\nQuantum entanglement\nFlying optical cats (The thought experiment after Erwin Schrödinger)\nThe Double-Slit Experiment\nTurn One into Two The fantastic properties of the Qbits change of state by\nMeasurement\nThe tunnel effect\nEinstein was wrong! The wave theory of light\nQuantum cryptography what is it?\nThe Shor Algorithm\nentangled states\nThe quantum Fourier transform\nThe BB84 protocol for tap-proof key exchange\nPolarization and Spin\nThe key exchange with Qbits and why it is practically impossible to eavesdrop\nProblems with data transmission and possible solutions\nAbout quantum computers and their significance for cryptography Myths and reality\nAre quantum computers always this fast?\nA look into the future Post-quantum cryptography - where is the journey going?\n\n","original_language":"deu","persons":["Uli Kleemann"],"tags":["froscon2020","2546","2020","Security"],"view_count":85,"promoted":false,"date":"2020-08-23T16:00:00.000+02:00","release_date":"2020-09-04T00:00:00.000+02:00","updated_at":"2025-09-13T14:45:06.197+02:00","length":3418,"duration":3418,"thumb_url":"https://static.media.ccc.de/media/events/froscon/2020/2546-hd.jpg","poster_url":"https://static.media.ccc.de/media/events/froscon/2020/2546-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/froscon/2020/2546-hd.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/froscon/2020/2546-hd.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/froscon2020-2546-god_does_not_play_dice","url":"https://api.media.ccc.de/public/events/a52771da-3c90-48f2-8954-a31319e0652e","conference_title":"FrOSCon 2020 Cloud-Edition","conference_url":"https://api.media.ccc.de/public/conferences/froscon2020","related":[],"recordings":[{"size":139,"length":3418,"mime_type":"video/webm","language":"deu","filename":"froscon2020-2546-deu-God_does_not_play_dice_webm-sd.webm","state":"new","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2020-09-04T17:54:52.419+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2020/webm-sd/froscon2020-2546-deu-God_does_not_play_dice_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/47838","event_url":"https://api.media.ccc.de/public/events/a52771da-3c90-48f2-8954-a31319e0652e","conference_url":"https://api.media.ccc.de/public/conferences/froscon2020"},{"size":52,"length":3418,"mime_type":"audio/mpeg","language":"deu","filename":"froscon2020-2546-deu-God_does_not_play_dice_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2020-09-04T17:53:39.200+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2020/mp3/froscon2020-2546-deu-God_does_not_play_dice_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/47831","event_url":"https://api.media.ccc.de/public/events/a52771da-3c90-48f2-8954-a31319e0652e","conference_url":"https://api.media.ccc.de/public/conferences/froscon2020"},{"size":91,"length":3418,"mime_type":"video/mp4","language":"deu","filename":"froscon2020-2546-deu-God_does_not_play_dice_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2020-09-04T17:53:29.645+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2020/h264-sd/froscon2020-2546-deu-God_does_not_play_dice_sd.mp4","url":"https://api.media.ccc.de/public/recordings/47830","event_url":"https://api.media.ccc.de/public/events/a52771da-3c90-48f2-8954-a31319e0652e","conference_url":"https://api.media.ccc.de/public/conferences/froscon2020"},{"size":395,"length":3418,"mime_type":"video/webm","language":"deu","filename":"froscon2020-2546-deu-God_does_not_play_dice_webm-hd.webm","state":"new","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2020-09-04T17:53:12.850+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2020/webm-hd/froscon2020-2546-deu-God_does_not_play_dice_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/47829","event_url":"https://api.media.ccc.de/public/events/a52771da-3c90-48f2-8954-a31319e0652e","conference_url":"https://api.media.ccc.de/public/conferences/froscon2020"},{"size":28,"length":3418,"mime_type":"audio/opus","language":"deu","filename":"froscon2020-2546-deu-God_does_not_play_dice_opus.opus","state":"new","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2020-09-04T17:53:05.940+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2020/opus/froscon2020-2546-deu-God_does_not_play_dice_opus.opus","url":"https://api.media.ccc.de/public/recordings/47828","event_url":"https://api.media.ccc.de/public/events/a52771da-3c90-48f2-8954-a31319e0652e","conference_url":"https://api.media.ccc.de/public/conferences/froscon2020"},{"size":210,"length":3418,"mime_type":"video/mp4","language":"deu","filename":"froscon2020-2546-deu-God_does_not_play_dice_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2020-09-04T17:08:04.313+02:00","recording_url":"https://cdn.media.ccc.de/events/froscon/2020/h264-hd/froscon2020-2546-deu-God_does_not_play_dice_hd.mp4","url":"https://api.media.ccc.de/public/recordings/47737","event_url":"https://api.media.ccc.de/public/events/a52771da-3c90-48f2-8954-a31319e0652e","conference_url":"https://api.media.ccc.de/public/conferences/froscon2020"}]}