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A Real-World Law-Enforcement Hack: The Case of Encrochat
Our paper A Real-World Law-Enforcement Hack: The Case of Encrochat has been accepted to CRYPTO 2026 and the full version is available; “us” is Sunoo Park, Mike Specter, Douglas Stebila and me. Here’s...
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Hardness of hinted ISIS from the space-time hardness of lattice problems
Our (Russell W. F. Lai, Eamonn W. Postlethwaite and me) work titled Hardness of hinted ISIS from the space-time hardness of lattice problems has been accepted to CRYPTO’26. Here’s the abstract: We...
View Article“Based on these ethnographic findings, we initiate the cryptographic study of...
Our work – “At-Compromise Security: The Case for Alert Blindness” – was accepted at EUROCRYPT 2026; with “us” being Simone Colombo, Benjamin Dowling, Rikke Bjerg Jensen and, well, me. Abstract. We...
View ArticleSocial Foundations of Cryptography: Autumn School
We‘re hosting an Autumn School in London, UK, from 15 to 17 September 2026, to bring together ethnographers and cryptographers to discuss ways in which the two fields can be meaningfully brought into...
View ArticleLecturer (≅ Assistant Professor/Juniorprofessor/Maître de conférences) in...
We are looking to recruit a lecturer in cryptography at King’s College London to work with us within the cybersecurity group: https://www.kcl.ac.uk/jobs/134305-lecturer-in-cryptography I think it’s...
View ArticleInternship Position on the Lattice Estimator
Eamonn and I are looking to hire an intern for four months to work on the Lattice Estimator. The internship will be based at King’s College London and is funded by a gift from Zama. We are ideally...
View ArticlePostdoc Position in Lattice-Based Cryptography
We are recruiting a postdoc to work with us on “practical advanced post-quantum cryptography from lattices”, the title of my ERC selected, UKRI Frontier Research funded project: Standardisation...
View ArticleOn the Virtues of Information Security in the UK Climate Movement
Our paper – titled “On the Virtues of Information Security in the UK Climate Movement” – was accepted at USENIX Security’25. Here’s the abstract: We report on an ethnographic study with members of the...
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10 June: Jean-François Blanchette Talk in London
Together with Rikke Jensen, we’re organising a talk and discussion with Jean-François Blanchette in London on his book Burdens of Proof, which has been tremendously influential on our thinking around...
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Analysis of the Telegram Key Exchange
Together with Lenka Mareková, Kenny Paterson, Eyal Ronen and Igors Stepanovs, we have finally completed our (first, formal, in-depth, computational) analysis of the Telegram key exchange. This work is...
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Rerandomising LWE
Our work, titled Hollow LWE: A New Spin — Unbounded Updatable Encryption from LWE and PCE, is now available on ePrint and will be presented at Eurocrypt 2025 in Madrid in May. It is joint work with...
View ArticlePhD Position in Cryptography
We are inviting applications for a PhD studentship in the cryptography lab at King’s College London. Specifically, we are looking for an applicant to work with me and Benjamin Dowling. The PhD could,...
View ArticlePhD Position in Lattice-Based Cryptography
We are inviting applications for a PhD studentship in the cryptography lab at King’s College London. Specifically, we are looking for an applicant to work with us in the area of lattice-based...
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Verifiable Oblivious Pseudorandom Functions from Lattices: Practical-ish and...
Our paper (with Kamil Doruk Gur) “Verifiable Oblivious Pseudorandom Functions from Lattices: Practical-ish and Thresholdisable” is now available on ePrint and will appear at Asiacrypt 2024. Doruk and...
View ArticleCryptography Postdoc Position in Social Foundations of Cryptography
We are looking for a postdoc to work with us on the social foundations of cryptography. This is a two-year full-time position based in London at a salary of £47,978 per annum. We. This postdoc...
View ArticlePostdoc Position in Lattice-Based Cryptography
We are recruiting a postdoc to work with us on “practical advanced post-quantum cryptography from lattices”, the title of my ERC selected, UKRI Frontier Research funded project: Standardisation...
View ArticleSenior Research Scientist in Post-Quantum Cryptography at SandboxAQ
The post-quantum research team at SandboxAQ, i.e. the team I’m in, is looking to hire a full-time researcher to join our team. Currently, the PQC team consists of: Anand Kumar Narayanan Andreas...
View ArticleSocial Foundations of Cryptography
I’m rather excited to report that EPSRC decided to fund our grant titled “Social Foundations of Cryptography”. Our project tries to do two things. First, we want to ground cryptographic security...
View ArticlePostdoc Position(s)
I am recruiting a postdoc1 to work with me on “practical advanced post-quantum cryptography from lattices”, the title of my ERC selected, UKRI Frontier Research funded project: Standardisation efforts...
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A Surfeit of SIS with Hints Assumptions
After a “lattice-assumptions winter” (there, I coined it now!) because “knapsack”, the last few years have seen the introduction of a bunch of newfangled SIS-like assumptions along the lines of: Given...
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