Olivier Bronchain

@NXP 🇧🇪. Side-channel evaluation and countermeasures. Post-quantum cryptography. 🦀

[Real World Crypto @RealWorldCrypto]

Less than a week to Real World Crypto in Toronto and we have a few more sponsors to thank: @TIIuae, @NXP, @ISARACorp, @NCCGroupplc, @Bloomberg, and @MITREcorp. See you all soon!

[cosadeconf @cosadeconf]

Pleased to announce that Dr Gaëtan Cassiers of the UCLouvain Crypto Group will give a keynote speech at Cosade'24 entitled "Composable masking schemes": https://t.co/NcWBDl1HtI

[NinjaLab @NinjaLabFr]

22nd Smart Card Research and Advanced Application Conference (CARDIS) 2023
November 14-16, 2023
Venue: University of Amsterdam, Amsterdam, Netherlands

Registration is now open!
https://t.co/5N4jyCvw7t

[Olivier Bronchain @BronchainO]

New paper from our @NXP PQC team !

A new methodology for SCA and FA against Dilithium, scaling gently with noise !

We exploit many different variables during accepted as well as rejected signatures and attack shuffled implementations.

Check it out: https://t.co/qRPrxSSt57

[Robert Primas @RobertPrimas]

I have recently released a new hardware design of the Ascon cipher (https://t.co/eYbYIg5vVk). It is written in Verilog, is easy to work with, and comes with a very permissive CC0 license. Have fun 😉.

[Olivier Bronchain @BronchainO]

I am happy to share that our paper "From MLWE to RLWE: A Differential Fault Attack on Randomized & Deterministic Dilithium" will appear in TCHES23 Issue 4 co-authored by our @NXP PQC Innovation team.

https://t.co/EutDWI1jEM

[Olivier Bronchain @BronchainO]

My former team and SIMPLE-Crypto are organizing the CHES23 CTF !

Go and break an hardware masked AES !

[IACRches @IacRches]

The CHES challenge was just launched at https://t.co/3tZnDnp4wf!

Thanks to @mrivain & co for organizing. Please contact them in case you have questions.

[IACR @IACR_News]

#ePrint Enabling FrodoKEM on Embedded Devices: JW Bos, O Bronchain, F Custers, J Renes, D Verbakel, C van Vredendaal https://t.co/fLO5yXMYdr

[Olivier Bronchain @BronchainO]

@mjos_crypto ASCON has also good properties against SCA at the mode level: https://t.co/39WrwX9Ydp
Especially, the cost of SCA protection can get amortized for long messages

[Loïc Masure @LeMuraicos]

I release the code of my CHES 2023 paper about scheme-aware profiling attacks against masked implementations.
The code 👉 https://t.co/UKcSHDgYFI
The paper 👉 https://t.co/yM2YxyUOXB

[Olivier Bronchain @BronchainO]

@ileanabuhan @CardisConf Enjoy the conference !

[Jamy Gourmaud @gourmaud_jamy]

🚴‍♀️ Ça a l'air de bien rouler pour Marcel 🤓 Pour sa santé, le camion a arrêté de fumer

Bravo aux étudiants du Kot-à-jeux qui ont remporté le prix du plus beau vélo folklorique au #24hveloLLN de Louvain-La-Neuve (Belgique). Chauffe Marcel 🚲

[Olivier Bronchain @BronchainO]

New ePrint is out !

We discuss side-channel security of Dilithium, new masking gadgets, new sensitivity analysis and the impact of randomized and deterministic versions on SCA security.

https://t.co/VPLWvq7LD2

[Olivier Bronchain @BronchainO]

@gareth_t_davies @tiborja Welcome to the team !

[Olivier Bronchain @BronchainO]

@pqcschool2022 @hellman1908 Thanks ! Enjoy the week in budapest !

[Olivier Bronchain @BronchainO]

@gloupin There is one about blockchains ! https://t.co/yRaWOgpgyb

[Olivier Bronchain @BronchainO]

My last UCLouvain paper "Bitslicing Arithmetic/Boolean Masking Conversions for Fun and Profit with Application to Lattice-Based KEMs" has been accepted to TCHES2022.

See you in @IacRches, Leuven, for the talk.

https://t.co/6UpyNHfr04

[Loïc Masure @LeMuraicos]

With real pieces of scalib (poke @BronchainO ) that now efficiently supports modular operations in the factor graph for SASCA: https://t.co/ahL0U0MzMK

[CARDIS Conference @CardisConf]

Due to many requests we decided to extend the submission deadline for CARDIS 2022. New deadline 4th of July!