BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Drupal iCal API//EN X-WR-CALNAME:Events items teaser X-WR-TIMEZONE:America/Toronto BEGIN:VTIMEZONE TZID:America/Toronto X-LIC-LOCATION:America/Toronto BEGIN:DAYLIGHT TZNAME:EDT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 DTSTART:20140309T070000 END:DAYLIGHT BEGIN:STANDARD TZNAME:EST TZOFFSETFROM:-0400 TZOFFSETTO:-0500 DTSTART:20131103T060000 END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:682e6392cb9d9 DTSTART;TZID=America/Toronto:20140707T143000 SEQUENCE:0 TRANSP:TRANSPARENT DTEND;TZID=America/Toronto:20140707T153000 URL:/institute-for-quantum-computing/events/unruh-quant um-position-verification-crypto-2014 SUMMARY: Unruh: Quantum position verification (Crypto 2014) CLASS:PUBLIC DESCRIPTION:Summary \n\nDOMINIQUE UNRUH\, UNIVERSITY OF TARTU\n\nPosition v erification allows us to verify the position of a device in\nspace (e.g.\, for enabling access to location based services).\nUnfortunately\, positio n verification is known to be insecure in\nprinciple using only classical cryptography. We show how position\nverification can be achieved using qua ntum communication.\n DTSTAMP:20250521T233650Z END:VEVENT END:VCALENDAR