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DTSTART:20260308T070000
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DTSTART:20261101T060000
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DTSTART;TZID=America/Toronto:20261118T100000
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URL:https://uwaterloo.ca/combinatorics-and-optimization/events/crypto-readi
 ng-group-quantum-computing-jonas-janneck-camryn
SUMMARY:Crypto Reading Group on quantum computing | Jonas Janneck & Camryn\
 nSteckel\, The Quantum-Accessible Random Oracle Model
CLASS:PUBLIC
DESCRIPTION:SPEAKER:\n Jonas Janneck & Camryn Steckel\n\nAFFILIATION:\n Uni
 versity of Waterloo\n\nROOM:\n MC 5501\n\nABSTRACT: A lot of classical co
 nstructions are proven secure the\nrandom oracle model. With quantum adver
 saries\, it is necessary to\nconsider a quantum-accessible model allowing 
 the adversary to query\nthe oracle with quantum states. In this talk\, we
  define such an\noracle and show its implications on classical security pr
 oofs. We will\npresent an example separating the classical and quantum-acc
 essible\nrandom oracle models using a scheme that is secure when the adver
 sary\nis given classical access to the random oracle\, but is insecure whe
 n\nthey can make quantum oracle queries. We further define history-free\nr
 eductions and show that there is a general lifting result allowing to\narg
 ue security in the quantum random oracle model when there is a\nreduction 
 in the classical setting. As an example for this technique\nwe will show h
 ow to prove the security of signatures following the\nFull Domain Hash par
 adigm.
DTSTAMP:20261113T235735Z
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