Matthieu Rivain
@mrivain.bsky.social
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Cryptographer, CEO @ CryptoExperts
https://www.matthieurivain.com/
Iโm very happy to share that two of my post-quantum signature candidates โ MQOM and SDitH โ have advanced to Round 3 of the ongoing NIST process ๐ ๐ Congrats to the teams behind these submissions. It has been a great journey so far, and Iโm excited for what comes next. ๐
mqom.org
๐
sdith.org
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https://mqom.org/
3 days ago
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Matthieu Rivain
PQCSA
28 days ago
How will post-quantum cryptography reshape privacy? PQCSA hosts a workshop on โPrivacy in the Post-Quantum Era: Challenges and Migration Strategiesโ ahead of
#CPDP
. ๐ May 19 | Brussels โ Free ๐ Info & registration:
cryptoexperts.com/pqcsa-worksh...
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PQCSA Workshop 2026
https://cryptoexperts.com/pqcsa-workshop-2026/
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Matthieu Rivain
CryptoExperts
about 1 month ago
CryptoExperts is co-organizing "Privacy in the Post-Quantum Era: Challenges & Migration Strategies" (EU PQCSA), a CPDP pre-event. Discover PQ privacy challenges with industry & public actors. Free to attend. Matthieu (
@mrivain.bsky.social
) & Mรฉlissa will be there! ๐
cryptoexperts.com/pqcsa-worksh...
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PQCSA Workshop 2026
https://cryptoexperts.com/pqcsa-workshop-2026/
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๐ CHES is currently seeking organisers for the CHES 2026 Challenge:
ches.iacr.org/2026/callfor...
This is your opportunity to gamify and spotlight your favorite crypto engineering topic!
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CHES 2026
Cryptographic Hardware and Embedded Systems
https://ches.iacr.org/2026/callforchallenge.php
3 months ago
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Tomorrow, Iโll present SmallWood at the NIST MPTS workshop (
csrc.nist.gov/events/2026/...
) a preview submission to the NIST MPTC process. SmallWood is a hash-based (plausibly post-quantum) zero-knowledge proof system with competitive proof sizes for relatively small instances. ๐
ia.cr/2025/1085
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https://csrc.nist.gov/events/2026/mpts2026(preview
4 months ago
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Matthieu Rivain
PQCSA
5 months ago
We have another event to announce: "PQCSA workshop Open-Source PQC Libraries and Implementations" on 30 Jan in Brussels, co-located with
@fosdem.org
www.esat.kuleuven.be/cosic/events...
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PQCSA workshop Open-Source PQC Libraries and Implementations โ Migration to post-quantum cryptography
https://www.esat.kuleuven.be/cosic/events/pqcsa-workshop-pqc-migration/
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Matthieu Rivain
Real World Crypto Symposium
5 months ago
The accepted talks for Real World Crypto 2026 are now online:
rwc.iacr.org/2026/accepte...
Thanks to everyone who submitted, and we look forward to the discussions at the symposium.
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RWC 2026 accepted papers
Real World Crypto Symposium
https://rwc.iacr.org/2026/acceptedtalks.php
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Matthieu Rivain
PQCSA
6 months ago
Happy to announce the posting of D1.1 Survey of PQC algorithms D1.3 Hot Topics and Open Problems in Post-Quantum Cryptography D2.1 Survey of PQC protocols
pqcsa.eu/deliverables...
There are no formally approved deliverables, yet. These drafts are provided as is for the interest of the community.
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PQCSA โ Post-Quantum Coordinated Support Action
Home page of PQCSAA EU-Project
https://pqcsa.eu/deliverables.html
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Matthieu Rivain
Tibor Jager
8 months ago
The call for papers for PKC 2026 is out:
pkc.iacr.org/2026/callfor...
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PKC 2026 call for papers
Public Key Cryptography
https://pkc.iacr.org/2026/callforpapers.php
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Matthieu Rivain
Matthew Green
8 months ago
The UK is demanding another backdoor in Appleโs encryption.
www.ft.com/content/d101...
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UK makes new attempt to access Apple cloud data
Order issued in September comes after Trump administration said London had backed down in fight over encryption
https://www.ft.com/content/d101fd62-14f9-4f51-beff-ea41e8794265?accessToken=zwAGQBl4pP6YkdPRAf1iFPlPUdO-_-pB6HlCZQ.MEYCIQDqJlwcbpQ4rrKlgeSJtbcTgqpW4uTX3yGMCHf2gdS0fQIhAMtU15LHqeHwAXTZ3wWJLDzI72kjsauSKc8OEDpim1Gx&sharetype=gift&token=3767767d-fe68-4911-a97e-c067715e061e
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Matthieu Rivain
Real World Crypto Symposium
8 months ago
8 days left to submit your contributed talk to Real World Crypto 2026. Submit here:
submit.iacr.org/rwc2026/
Deadline: October 10
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rwc2026
https://submit.iacr.org/rwc2026/
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Matthieu Rivain
CryptoExperts
11 months ago
โจ New publication โจ Thibauld Feneuil & Matthieu Rivain's paper that introduces โThreshold Computation in the Headโ (TCitH) paradigm for ZK proofs and PQ signature schemes is published in the Journal of Cryptologyโs ZK collection! ๐ ePrint:
eprint.iacr.org/2023/1573
๐ Journal:
doi.org/10.1007/s001...
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Matthieu Rivain
CryptoExperts
12 months ago
๐ CryptoExperts launches 5 short-format training modules in cryptography! ๐ Post-quantum, side-channel attacks, blockchain & more โ for non-specialists ๐ In Paris or on-site. ๐ซ๐ท/๐ฌ๐ง Available in French or English ๐
www.cryptoexperts.com/services/tra...
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Training | CryptoExperts
The website of CryptoExperts
https://www.cryptoexperts.com/services/training/
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Matthieu Rivain
Nigel Smart
12 months ago
Super pleased to see that Zama has just announced the first recipients of the Zama Cryptanalysis Grants.
www.zama.ai/post/announc...
The projects supported cover security of FHE, MPC, TEEs and ZK. The teams getting the grants represent some of the leading experts in their respective fields.
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Announcing The First Recipients of The Zama Cryptanalysis Grants
The Zama Cryptanalysis Grant Program supports research that challenges the security of todayโs privacy-enhancing tech.
https://www.zama.ai/post/announcing-the-zama-cryptanalysis-grants
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The CHES Challenge is coming back in 2025 with two tracks! ๐ฌ GE Wars: Test your DL-SCA skills on real-world AES EM traces. ๐ง HACK@CHES'25: Dive into hardware security on a custom OpenTitan SoC. ๐
ches.iacr.org/2025/challen...
#CHES2025
#SideChannel
#HardwareSecurity
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CHES 2025
Cryptographic Hardware and Embedded Systems
https://ches.iacr.org/2025/challenge.php
about 1 year ago
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CryptoExperts also has its brand new Bluesky account:
@cryptoexpertssas.bsky.social
about 1 year ago
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Hello Bluesky world ๐
about 1 year ago
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