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Titel:

Chosen Ciphertext k-Trace Attacks on Masked CCA2 Secure Kyber

Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Hamburg, Mike and Hermelink, Julius and Primas, Robert and Samardjiska, Simona and Schamberger, Thomas and Streit, Silvan and Strieder, Emanuele and van Vredendaal, Christine
Abstract:
Single-trace attacks are a considerable threat to implementations of classic public-key schemes, and their implications on newer lattice-based schemes are still not well understood. Two recent works have presented successful single-trace attacks targeting the Number Theoretic Transform (NTT), which is at the heart of many lattice-based schemes. However, these attacks either require a quite powerful side-channel adversary or are restricted to specific scenarios such as the encryption of ephemera...     »
Stichworte:
Kyber, NTT, belief propagation, side-channel attack, CCA, BKZ
Dewey Dezimalklassifikation:
620 Ingenieurwissenschaften
Zeitschriftentitel:
IACR Transactions on Cryptographic Hardware and Embedded Systems
Jahr:
2021
Band / Volume:
2021
Jahr / Monat:
2021-08
Quartal:
3. Quartal
Monat:
Aug
Heft / Issue:
4
Seitenangaben Beitrag:
88–113
Reviewed:
ja
Sprache:
en
Volltext / DOI:
doi:10.46586/tches.v2021.i4.88-113
WWW:
https://tches.iacr.org/index.php/TCHES/article/view/9061
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