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SUMMARY:Supersingular isogeny based cryptography
DTSTART:20180615T140000
DTEND:20180615T160000
DTSTAMP:20260410T114544Z
UID:1088d10f1b504713a0d916cadcc5413892ab048caabc0531a3799023
CATEGORIES:Conferences - Seminars
DESCRIPTION:Novak Kaluderovic\nEDIC candidacy exam\nExam president: Prof. 
 Serge Vaudenay\nThesis advisor: Prof. Arjen Lenstra\nCo-examiner: Prof. Ol
 a Svensson\n\nAbstract\nWith the advancement of quantum computers the curr
 ently used cryptographic protocols based on the hardness of factoring or s
 olving the discrete logarithm will become obsolete. For this reason a new 
 family of cryptological primitives that doesn’t rely on problems solv
 able by a quantum computer is needed. Consequently NIST has published a ca
 ll for proposals for setting new standards on quantum-resistant cryptograp
 hy. One of the submitted proposals is called SIKE (Supersingular Isogeny K
 ey Encapsulation) and it contains a CPA-secure public key encryption algor
 ithm and a CCA-secure key encapsulation mechanism\, where the security is 
 based on the hardness of some problems that so far haven’t been succe
 ssfully attacked by a quantum computer. The underlying mathematical proble
 m is based on computing isogenies between supersingular elliptic curves. T
 he mathematical setting that defines the cryptosystem will be addressed as
  well as some attacks. Structural weaknesses that don’t allow an effi
 cient signature scheme are then discussed\, with the introduction of a str
 ong designated verifier signature scheme.\n\nBackground papers\nTowards Qu
 antum-resistant cryptosystems from supersingular elliptic curve isogenies\
 , by De Feo\, L.\, et al.\nOn the security of supersingular isogeny crypto
 systems\, by Galbraith\, S.D.\, et al.\nToward Quantum-resistant Strong De
 signated Verifier Signature from Isogenies\, by Sun X.\, et al.\n 
LOCATION:INJ 322 https://plan.epfl.ch/?room=INJ322
STATUS:CONFIRMED
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