{"id":7033,"date":"2018-06-25T11:11:12","date_gmt":"2018-06-25T09:11:12","guid":{"rendered":"https:\/\/www.uni.lu\/fr\/events\/research-seminar-a-publicly-verifiable-protocol-for-random-number-generation\/"},"modified":"2018-06-25T11:11:12","modified_gmt":"2018-06-25T09:11:12","slug":"research-seminar-a-publicly-verifiable-protocol-for-random-number-generation","status":"publish","type":"events","link":"https:\/\/www.uni.lu\/fr\/events\/research-seminar-a-publicly-verifiable-protocol-for-random-number-generation\/","title":{"rendered":"Research Seminar: A publicly verifiable protocol for random number generation"},"content":{"rendered":"<section class=\"wp-block-unilux-blocks-free-section section\"><div class=\"container xl:max-w-screen-xl\"><p>Chance plays an essential role in many decision procedures such as lotteries, draws etc. As such procedures are moving on-line, several web services offering randomness have appeared over the last few years.<\/p><p>NIST&rsquo;s randomness beacon, which publishes a sequence of 64 random bits every minute, unfortunately lacks transparency:\u00a0the beacon does not eliminate the possibility of an insider attack who knows the outcomes beforehand.\u00a0We propose an improvement of NIST&rsquo;s beacon which is publicly verifiable and fully transparent:\u00a0any outsider who did not witness the bit generation in person but has internet access can convince himself that the beacon acted honestly, provided he can be sure that fresh, independent random bits were contributed to the seed value.<\/p><p>Our proposal is based on a novel cryptographic assumption proposed by Lenstra &#038; Wesolowski: the existence of functions that are slow to compute even on the fastest supercomputers.\u00a0<\/p><p>Joint work with Joao Penna<\/p><\/div><\/section>","protected":false},"excerpt":{"rendered":"<p>Chance plays an essential role in many decision procedures such as lotteries, draws etc. As such procedures are moving on-line, several web services offering randomness have appeared over the last few years.<\/p>\n","protected":false},"author":0,"featured_media":7034,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"featured_image_focal_point":[],"show_featured_caption":false,"ulux_newsletter_groups":"","uluxPostTitle":"","uluxPrePostTitle":"","_trash_the_other_posts":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"event_start_date":"2018-07-03 10:30:00","event_end_date":"2018-07-03 11:30:00","event_speaker_name":"Prof. Jeroen van de Graaf (Universidade Federal de Minas Gerais)","event_speaker_link":"","event_is_online":false,"event_location":"Room MSA 4.530, Maison du Savoir","event_street":"2, avenue de l'Universit\u00e9\t","event_location_link":"","event_zip_code":"L-4365","event_city":"Esch-sur-Alzette","event_country":"LU"},"events-topic":[],"events-type":[],"organisation":[184,226],"authorship":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - 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