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__NOTOC__ [[Image:NEMA-001.JPG|200px|thumb|right|Swiss NEMA cipher machine]]
 
__NOTOC__ [[Image:NEMA-001.JPG|200px|thumb|right|Swiss NEMA cipher machine]]
  
CryptoLUX is a cryptology research group within Security and Trust interdisciplinary center ([http://wwwen.uni.lu/snt SnT]) and the Computer Science and Communications ([http://csc.uni.lu CSC]) research unit of the [http://www.uni.lu University of Luxembourg]. Professor [[Alex Biryukov]] is head of CryptoLUX and leads a team consisting of two permanent staff members (Johann Großschädl, Yann Le Corre), several postdoctoral researchers, and about half a dozen Ph.D. students. The CryptoLUX group also forms part of the Laboratory of Algorithmics, Cryptology and Security ([http://lacs.uni.lu LACS]). This wiki serves as an informal platform for the presentation of ongoing research projects and the dissemination of research outcome, ex. peer-reviewed publications, tools for cryptanalysis, source code of cryptographic software. We do our best to ensure the correctness of the information provided by this wiki, but, of course, we can not guarantee that the content is suitable for any particular purpose, especially if it covers work in progress.
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CryptoLUX is a cryptology research group within Security and Trust interdisciplinary center ([http://wwwen.uni.lu/snt SnT]) and the Computer Science and Communications ([http://csc.uni.lu CSC]) research unit of the [http://www.uni.lu University of Luxembourg]. Professor [[Alex Biryukov]] is head of CryptoLUX and leads a team consisting of a permanent staff member (Johann Großschädl), several postdoctoral researchers, and about half a dozen Ph.D. students. The CryptoLUX group also forms part of the Laboratory of Algorithmics, Cryptology and Security ([http://lacs.uni.lu LACS]). This wiki serves as an informal platform for the presentation of ongoing research projects and the dissemination of research outcome, ex. peer-reviewed publications, tools for cryptanalysis, source code of cryptographic software. We do our best to ensure the correctness of the information provided by this wiki, but, of course, we can not guarantee that the content is suitable for any particular purpose, especially if it covers work in progress.
  
 
== Mission and Vision ==
 
== Mission and Vision ==
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== Open Positions, Jobs ==
 
== Open Positions, Jobs ==
  
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We are currently looking for three post-doctoral researchers (research associates) and a Ph.D. student to join the CryptoLux group in Fall 2020. Further information about these positions can be found on the [[Vacancies|vacancies page]].
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* [[Vacancies#Post-Doctoral_Researcher_in_Symmetric_Cryptography|Post-Doctoral Researcher in Symmetric Cryptography (APLICA Project)]]
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* [[Vacancies#Research_Associate_(Postdoc)_in_Applied_Cryptography_(M/F)|Research Associate (Postdoc) in Applied Cryptography (Structural Position)]]
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* [[Vacancies#Research_Associate_(Postdoc)_in_Blockchain,_Financial_Crypto,_Cybersecurity_and_Privacy|Research Associate (Postdoc) in Blockchain, Financial Crypto, Cybersecurity and Privacy (FinCrypt Project)]]
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* [[Vacancies#Ph.D._Student_in_Symmetric_Cryptography|Ph.D. Student in Symmetric Cryptography]]
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<!-- '''Research Associate (Postdoc) in Crypto-Finance, Cybersecurity and Privacy (FinCrypt project) (M/F)'''
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Start day: 1-July 2018 (earlier upon agreement).
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Duration: 3 years. [[Vacancies]]
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We are full for the moment, but if you are an outstanding Ph.D. or postdoc candidate, send your CV to Alex.
 
We are full for the moment, but if you are an outstanding Ph.D. or postdoc candidate, send your CV to Alex.
 
[[Vacancies]]
 
[[Vacancies]]
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[[Media:2016_PhD_candidate_in_fincrypto.pdf| New Vaccancy, deadline extended till 5-June 2016]]
 
[[Media:2016_PhD_candidate_in_fincrypto.pdf| New Vaccancy, deadline extended till 5-June 2016]]
 
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=== Post-Doc Position in Real World Crypto ===
 
=== Post-Doc Position in Real World Crypto ===
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Selected candidate will apply with us for the AFR grant. See [https://www.fnr.lu/funding-instruments/afr/ here].
 
Selected candidate will apply with us for the AFR grant. See [https://www.fnr.lu/funding-instruments/afr/ here].
 
Applications (CV+motivation)will be considered upon receipt, therefore applying before the deadline is encouraged.
 
Applications (CV+motivation)will be considered upon receipt, therefore applying before the deadline is encouraged.
 
 
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=== Post-Doc in FDISC Project on Applied Crypto ===
 
=== Post-Doc in FDISC Project on Applied Crypto ===
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Contact: Prof. Alex Biryukov (e-mail: name dot family name (at) uni.lu)
 
Contact: Prof. Alex Biryukov (e-mail: name dot family name (at) uni.lu)
 
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== Postdoc in Applied Cryptography ==
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=== Postdoc in Applied Cryptography ===
  
 
Description: The Cryptolux team of the University of Luxembourg is offering a 3 year Postdoc position in Cryptography. Candidates with proven publication record and interests in one or several of the following areas are welcome to apply:<p></p><p>- Design and analysis of symmetric cryptographic primitives</p><p></p><p>- Side-channel attacks on block ciphers and countermeasures</p><p></p><p>- Financial cryptography, crypto-currencies, blockchain tech</p><p></p><p>- Privacy enhancing technologies</p><p></p><p>- White-box cryptography</p>
 
Description: The Cryptolux team of the University of Luxembourg is offering a 3 year Postdoc position in Cryptography. Candidates with proven publication record and interests in one or several of the following areas are welcome to apply:<p></p><p>- Design and analysis of symmetric cryptographic primitives</p><p></p><p>- Side-channel attacks on block ciphers and countermeasures</p><p></p><p>- Financial cryptography, crypto-currencies, blockchain tech</p><p></p><p>- Privacy enhancing technologies</p><p></p><p>- White-box cryptography</p>
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• Fluent written and verbal communication skills in English are mandatory
 
• Fluent written and verbal communication skills in English are mandatory
  
'''We offer'''<p></p><p>You will work in an exciting international environment and will have the opportunity to participate in the development of a large IT security-focused research center (>200 people researching all aspects of IT security). The University offers highly competitive salaries and is an equal opportunity employer. </p><p></p><p>Applications, written in English, should be submitted by e-mail and should include:</p><p></p><p>• Curriculum Vitae (including your contact address, photo, work experience, publications)</p><p></p><p>• A research statement indicating your interests, main achievements, motivation (max 1 page),
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'''We offer'''<p></p><p>You will work in an exciting international environment and will have the opportunity to participate in the development of a large IT security-focused research center (>250 people researching all aspects of IT security). The University offers highly competitive salaries (in the range of 5-6 Keuro per month net) and is an equal opportunity employer. </p><p></p><p>Applications, written in English, should be submitted by e-mail and should include:</p><p></p><p>• Curriculum Vitae (including your contact address, photo, work experience, publications)</p><p></p><p>• A research statement indicating your interests, main achievements, motivation (max 1 page),
  
 
Deadline for applications: '''January 15, 2018'''. Position is already available, so early submission is encouraged; applications will be processed upon arrival.
 
Deadline for applications: '''January 15, 2018'''. Position is already available, so early submission is encouraged; applications will be processed upon arrival.
  
 
Contact: Prof. Alex Biryukov (e-mail: name dot family name (at) uni.lu)
 
Contact: Prof. Alex Biryukov (e-mail: name dot family name (at) uni.lu)
 
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=== PhD in Applied Cryptography, the PRIDE funding program ===
 
=== PhD in Applied Cryptography, the PRIDE funding program ===
  
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'''Your Profile'''
 
'''Your Profile'''
  
• M.Sc. degree in Computer Science, Applied Mathematics, Electrical Engineering,  or a related field  
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• M.Sc. degree in Computer Science, Applied Mathematics, Electrical Engineering,  or a related field; GPA> 80%
  
 
• Strong mathematical and algorithmic CS background (complexity of algorithms; probability/statistics; discrete math; basic cryptography,  algebra)
 
• Strong mathematical and algorithmic CS background (complexity of algorithms; probability/statistics; discrete math; basic cryptography,  algebra)
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Contact: Prof. Alex Biryukov (e-mail: name dot family name (at) uni.lu)
 
Contact: Prof. Alex Biryukov (e-mail: name dot family name (at) uni.lu)
  
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The Cryptolux team of the University of Luxembourg is offering a 1 year Post-doc position in Cryptography. The successful candidates will  contribute to an FNR-funded research project entitled "Applied Cryptography for the Internet of Things (ACRYPT)".
 
The Cryptolux team of the University of Luxembourg is offering a 1 year Post-doc position in Cryptography. The successful candidates will  contribute to an FNR-funded research project entitled "Applied Cryptography for the Internet of Things (ACRYPT)".
  
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'''July 2015''' [[Argon|Argon2]] has won the [https://password-hashing.net/ PHC] competition!!!
 
'''July 2015''' [[Argon|Argon2]] has won the [https://password-hashing.net/ PHC] competition!!!
  
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'''July 2018'''  [[Léo Perrin|Léo]] hash won the best Ph.D. thesis 2017 award (the Rolf Tarrach prize) of the University of Luxembourg (about 1 in a 100 competition). Thesis is [http://orbilu.uni.lu/bitstream/10993/31195/1/thesis.pdf here].
  
 +
'''November 2018''' [[Alex Biryukov|Alex]] has given talk at Dagstuhl seminar on [https://www.dagstuhl.de/en/program/calendar/semhp/?semnr=18461 Blockchain Security at Scale].
  
'''March 2016''' [[Vesselin Velichkov|Vesselin]] and [[Aleksei Udovenko|Aleksei]] gave talks at [https://fse.rub.de/program.html FSE'16].
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'''March 2019''' [[Christof Beierle|Christof]] gave talk at FSE/ToSC'2019 in Paris.
 
 
'''March 2016''' [[Dmitry Khovratovich|Dmitry]] gave talk about Argon2 at [http://www.ieee-security.org/TC/EuroSP2016/program_compact.php EURO S&P'16].
 
 
 
'''May 2016''' [[Léo Perrin|Léo]] gave talk on our new S-box reversing results at [http://ist.ac.at/eurocrypt2016/program.html Eurocrypt'16], Vienna.
 
 
 
'''June 2016''' [[Daniel Dinu|Daniel]] gave talk on Correlation Power Analysis of LW ciphers at [http://acns2016.sccs.surrey.ac.uk/ ACNS], UK
 
 
 
'''July 2016''' Dmitry will present Argon2 and Equihash at [https://www.ietf.org/meeting/upcoming.html IETF meeting] in Berlin.
 
  
'''August 2016''' [[Aleksei Udovenko|Aleksei]] gave a talk at [https://www.iacr.org/conferences/crypto2016/ CRYPTO'2016] and will participate in [https://legitbs.net/ Defcon CTF Final].
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'''March 2019''' We have submitted [[Sparkle|Sparkle]] for the Lightweight Authenticated Encryption competition run by NIST, US.
  
'''August 2016''' [[Dmitry Khovratovich|Dmitry]] gave a talk on  [[Media:Egalitarian.pdf| '''Egalitarian computing''']] at [https://www.usenix.org/conference/usenixsecurity16/technical-sessions/presentation/biryukov Usenix Security'16].
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'''April 2019''' [[Aleksei Udovenko|Aleksei]] has defended his [http://orbilu.uni.lu/bitstream/10993/39350/1/thesis.pdf thesis] on Symmetric Cryptography in Black and White-box Models.
  
'''September 2016''' [[Vesselin Velichkov|Vesselin]] gave talk at [http://www.nuee.nagoya-u.ac.jp/labs/tiwata/diac2016/accepted.html DIAC'16].
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'''April 2019''' [[Daniel Feher|Daniel]] and [[Sergei Tikhomirov|Sergei]] gave talks about blockchain privacy at [http://www.cryblock.org Cryblock'19].
  
'''October 2016''' [[Léo Perrin|Léo]] will give talk about [[SPARX| '''SPARX''']] at the [https://www.nist.gov/news-events/events/2016/10/lightweight-cryptography-workshop-2016 NIST Lightweight crypto] workshop.
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'''May 2019''' [[Alex Biryukov|Alex]] and [[Aleksei Udovenko|Aleksei]] have given talks at [https://www.cryptoexperts.com/whibox2019/ Whibox] workshop in Darmstadt.
  
'''October 2016''' [[Aleksei Udovenko|Aleksei]] and his team have won the [https://2016.hack.lu/agenda/ hack.lu] CTF competition!
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'''June 2019''' [[Sergei Tikhomirov|Sergei]] gave talk at [https://www.ieee-security.org/TC/EuroSP2019/accepted.php IEEE Security & Privacy] (Europe) in Stockholm.
  
'''October 2016''' [https://en.wikipedia.org/wiki/Zcash Zcash] cryptocurrency was launched with [http://hdl.handle.net/10993/22277 EquiHash] as its proof-of-work.
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'''June 2019''' [[Daniel Feher|Daniel]] gave talks at [https://cns2019.ieee-cns.org/program/full-program IEEE  Communications and Network Security (CNS)] in Washington D.C. and at [https://www.zfnd.org/zcon/ Zcon1] in Split.
  
'''December 2016''' [[Léo Perrin|Léo]] and [[Vesselin Velichkov|Vesselin]] gave talk about [[SPARX| '''SPARX''']] at [http://www.asiacrypt2016.org/?page_id=62 ASIACRYPT'16] in Hanoi, Vietnam.
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'''August 2019''' Our team has won the WhibOx 2019 CTF competition in both design and analysis categories. [[Whitebox cryptography|More here]].
  
'''January 2017''' [[Alex Biryukov|Alex]] has organized [http://www.cryptolux.org/esc2017/ESC_2017 ESC'17] where many of us gave talks.
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'''September 2019''' [[Alex Biryukov|Alex]] is co-chairing Cryptocurrencies and Blockchain Technology [http://deic.uab.cat/conferences/cbt/cbt2019/ (CBT)] workshop at ESORICS'19.
  
'''March 2017''' [[Léo Perrin|Léo]] gave talks about generic muliset-algebraic attacks, ASASA update and exponential S-boxes at the [https://www.nuee.nagoya-u.ac.jp/labs/tiwata/fse2017/program.html FSE] in Tokyo, Japan.
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'''November 2019''' [[Luan Cardoso dos Santos|Luan]] will give talks at [https://www.nist.gov/news-events/events/2019/11/lightweight-cryptography-workshop-2019 NIST workshop on lightweight crypto] (US) and at [http://cardis2019.fit.cvut.cz/ CARDIS] (Prague).
  
'''April 2017''' [[Sergei Tikhomirov|Sergei]] gave a talk about the Findel DSL at the [http://fc17.ifca.ai/wtsc/index.html 1st Workshop on Trusted Smart Contracts] in Malta.
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'''November 2019''' [[Ꮐіuѕeррe Ꮩіttο|Giuseppe]] and [[Daniel Feher|Daniel]] will give talk at [https://sigsac.org/ccs/CCS2019/index.php/program/accepted-papers/ ACM CCS] in London on privacy and subliminal channels in ZK-SNARKs.
  
'''April 2017''' [https://www.cryptolux.org/mediawiki-esc2017/images/9/9a/ASJS-Topics_SymCrypto-ESC17.pdf Topics and Research Directions for Symmetric Cryptography]
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'''January 2020''' [[Aleksei Udovenko|Aleksei]] and [[Ꮐіuѕeррe Ꮩіttο|Giuseppe]] co-authored a paper with KUL COSIC team on Cryptanalysis of the Legendre PRF to be presented at FSE2020. [[Qingju Wang|Qingju]] co-authored two papers on Division property at the same conference.
  
'''April 2017''' [[Léo Perrin|Léo]] defended his [http://orbilu.uni.lu/bitstream/10993/31195/1/thesis.pdf thesis].
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'''March 2020''' [[Sergei Tikhomirov|Sergei]] and [[Alex Biryukov|Alex]] co-authored a paper with colleagues from Norwegian University of Science and Technology on privacy of balances in the Lightning Network protocol. It got [https://decrypt.co/25800/wallet-balances-on-bitcoins-lightning-network-arent-private-new-report-says some] [https://cointelegraph.com/news/researchers-highlight-privacy-issues-with-lightning-network news]
 +
[https://www.coindesk.com/researchers-surface-privacy-vulnerabilities-in-bitcoin-lightning-network-payments coverage].  
  
'''May 2017''' Team CryptoLUX has won shared 1st place at the [http://www.itnation.lu/luxblockhackathon-2017/ luxblockhackathon] for an Asset Management+KYC+UP PoC.  
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'''May 2020''' [[Qingju Wang|Qingju]] co-authored a paper on division property  and improved cube attacks against Trivium and Grain-128AEAD at Eurocrypt 2020.
  
'''July 2017''' [[Daniel Dinu|Daniel]] gave talk on SCA and Secure Network Protocols at [https://cy2sec.comm.eng.osaka-u.ac.jp/acns2017/program.html ACNS], Japan.
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'''June 2020''' Alzette: a 64-bit ARX-box related to our [https://csrc.nist.gov/projects/lightweight-cryptography NIST LWC] submission [[Sparkle|Sparkle]] was accepted to [https://crypto.iacr.org/2020/ Crypto 2020].
  
'''September 2017''' [[Aleksei Udovenko|Aleksei]] and [[Alex Biryukov|Alex]] have won the [https://run.whibox.cr.yp.to:5443/ whitebox design challenge] of ECRYPT and CHES2017. We also broke the three main competing designs.
 
  
 
[[Cryptolux Seminars]].
 
[[Cryptolux Seminars]].
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== How to reach us ==
 
== How to reach us ==
  
We just moved to Belval Campus, Esch-Belval, Luxembourg. About 25 mins from Luxembourg city.
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We are in MNO building on Belval Campus, Esch-Belval, Luxembourg. About 25 mins car drive from the Luxembourg city.
  
 
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Latest revision as of 13:12, 31 July 2020

Swiss NEMA cipher machine

CryptoLUX is a cryptology research group within Security and Trust interdisciplinary center (SnT) and the Computer Science and Communications (CSC) research unit of the University of Luxembourg. Professor Alex Biryukov is head of CryptoLUX and leads a team consisting of a permanent staff member (Johann Großschädl), several postdoctoral researchers, and about half a dozen Ph.D. students. The CryptoLUX group also forms part of the Laboratory of Algorithmics, Cryptology and Security (LACS). This wiki serves as an informal platform for the presentation of ongoing research projects and the dissemination of research outcome, ex. peer-reviewed publications, tools for cryptanalysis, source code of cryptographic software. We do our best to ensure the correctness of the information provided by this wiki, but, of course, we can not guarantee that the content is suitable for any particular purpose, especially if it covers work in progress.

Mission and Vision

The mission of the CryptoLUX group is to define, conduct, and disseminate leading-edge research in cryptology (and closely related fields), and to pass the knowledge gained from research on to students and industry partners. CryptoLUX is one of the few academic research teams worldwide that possesses expertise across the full spectrum of cryptology, ranging from theoretical foundations to implementation aspects and applications. Our mission and objectives are devised in accordance with the three main goals of the University of Luxembourg, which are teaching, research and knowledge transfer at the highest international level. Members of CryptoLUX collaborate with top research groups around the world. Our current research projects cover a wide variety of topics including algorithm design (block ciphers, hash functions, proofs of work), cryptanalysis, communication security and privacy enchancing technologies, financial technologies/blockchain, efficient implementations, side-channel attacks, and reverse engineering.

Emerging information and communication technologies, such as cloud computing or the Internet of things, pose a number of unique challenges related to the design and implementation of cryptographic primitives, which has initiated a large of body of research in these areas. Nonetheless, the number of cryptanalytic attacks (both traditional ones as well as side-channel attacks) is steadily increasing, and many of these attacks have led to devastating security breaches with fatal consequences. We envision CryptoLUX to be in the forefront of an international research community that tackles these challenges and develops innovative solutions for complex security problems based on a solid cryptographic foundation. To achieve this, we strive for a greater understanding of how cryptosystems get broken (or otherwise fail) in the real world, how they can be designed and implemented to better resist attacks, and how they should be used to build secure systems and networks.

We organized ESC 2017

ESC (Early Symmetric Crypto) is a Dagstuhl-like seminar series on symmetric cryptography that fosters collaboration instead of competition. ESC 2017 took place January 16–20, 2017 in Canach, Luxembourg. The program chairs of ESC 2017 were Alex Biryukov, Joan Daemen, Stefan Lucks, and Serge Vaudenay. More information can be found here.

Open Positions, Jobs

We are currently looking for three post-doctoral researchers (research associates) and a Ph.D. student to join the CryptoLux group in Fall 2020. Further information about these positions can be found on the vacancies page.


News and Announcements

See here history of past events.

July 2015 Argon2 has won the PHC competition!!!

July 2018 Léo hash won the best Ph.D. thesis 2017 award (the Rolf Tarrach prize) of the University of Luxembourg (about 1 in a 100 competition). Thesis is here.

November 2018 Alex has given talk at Dagstuhl seminar on Blockchain Security at Scale.

March 2019 Christof gave talk at FSE/ToSC'2019 in Paris.

March 2019 We have submitted Sparkle for the Lightweight Authenticated Encryption competition run by NIST, US.

April 2019 Aleksei has defended his thesis on Symmetric Cryptography in Black and White-box Models.

April 2019 Daniel and Sergei gave talks about blockchain privacy at Cryblock'19.

May 2019 Alex and Aleksei have given talks at Whibox workshop in Darmstadt.

June 2019 Sergei gave talk at IEEE Security & Privacy (Europe) in Stockholm.

June 2019 Daniel gave talks at IEEE Communications and Network Security (CNS) in Washington D.C. and at Zcon1 in Split.

August 2019 Our team has won the WhibOx 2019 CTF competition in both design and analysis categories. More here.

September 2019 Alex is co-chairing Cryptocurrencies and Blockchain Technology (CBT) workshop at ESORICS'19.

November 2019 Luan will give talks at NIST workshop on lightweight crypto (US) and at CARDIS (Prague).

November 2019 Giuseppe and Daniel will give talk at ACM CCS in London on privacy and subliminal channels in ZK-SNARKs.

January 2020 Aleksei and Giuseppe co-authored a paper with KUL COSIC team on Cryptanalysis of the Legendre PRF to be presented at FSE2020. Qingju co-authored two papers on Division property at the same conference.

March 2020 Sergei and Alex co-authored a paper with colleagues from Norwegian University of Science and Technology on privacy of balances in the Lightning Network protocol. It got some news coverage.

May 2020 Qingju co-authored a paper on division property and improved cube attacks against Trivium and Grain-128AEAD at Eurocrypt 2020.

June 2020 Alzette: a 64-bit ARX-box related to our NIST LWC submission Sparkle was accepted to Crypto 2020.


Cryptolux Seminars.

How to reach us

We are in MNO building on Belval Campus, Esch-Belval, Luxembourg. About 25 mins car drive from the Luxembourg city.