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SUMMARY:Side-channel evaluation of NIST's candidates for post-quantum stan
 dardisation
DTSTART:20180913T100000
DTEND:20180913T120000
DTSTAMP:20260916T064124Z
UID:00db681fb856980faebaa38ec729bed285b607ddeaad9c92c491174c
CATEGORIES:Conferences - Seminars
DESCRIPTION:Aymeric Genet\nEDIC candidacy exam\nExam president: Prof. Baba
 k Falsafi\nThesis advisor: Prof. Arjen Lenstra\nThesis co-advisor: Prof. S
 erge Vaudenay\nCo-examiner: Prof. Bryan Ford\n\nAbstract\nBecause large-sc
 ale quantum computers will be able to break the security of current public
 -key cryptography\, substitutes resistant to quantum computing (known as p
 ost-quantum cryptography) are currently being standardized by the NIST. An
  essential step in the standardization process of post-quantum cryptograph
 y is the security of the implementations\, notably to side-channel attacks
 .\nThis report emphasizes on this importance by first presenting the post-
 quantum cryptosystem BLISS where strong security reductions were applied t
 o give a convincing security proof. Even though the scheme was proven secu
 re\, BLISS was subject to powerful side-channel attacks that exploited the
  implementation improvements\, resulting in the recovery of the secret key
  through either power analysis\, or branch tracing. These results are comp
 ared to the speed-up obtained using the state of the art in terms of latti
 ce basis reduction-a massively parallel algorithm able to solve the Shorte
 st Vector Problem challenge of dimension 150. In conclusion\, the speed-up
  was not significant enough to impact the security of BLISS. Based on this
 \, the report ends on a research proposal on side-channel against the NIST
 's candidates for post-quantum standardization.\n\nBackground papers\nLatt
 ice Signatures and Bimodal Gaussians (BLISS)\, by Ducas\, L.\, et al.\nSid
 e-Channel Attacks on BLISS Lattice-Based Signatures -- Exploiting Branch T
 racing Against strongSwan and Electromagnetic Emanations in Microcontrolle
 rs\, by Espitau\, T.\, et al.\nFast Lattice Basis Reduction Suitable for M
 assive Parallelization and Its Application to the Shortest Vector Problem\
 , by Teruya \, T.\, et al.\n 
LOCATION:INF 211 https://plan.epfl.ch/?room=INF211
STATUS:CONFIRMED
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