Author Archives: ellipticnews

SQISign

This post is about SQISign, an exciting post-quantum signature scheme based on isogenies. The blog post is intended for people who understand SIDH well, but are not experts at quaternions and Eichler orders. I do not claim to explain (or … Continue reading

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Review of ECC 2020

One of the reasons I started this blog was to share information with people who were unable to attend conferences. So I’ve tried to maintain a tradition of conference reviews. I’ll continue, even though online conferences are more inclusive and … Continue reading

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ECC 2020 Conference

The ECC 2020 conference will take the form of a curated collection of lecture recordings, and four panel discussions. Each panel will feature a number of experts in the area, and there will be an opportunity for audience members watching … Continue reading

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PQCrypto 2020 and other news

PQCrypto 2020 took place online on September 21-23. All sessions were recorded and can be viewed here. The conference had a varied programme across all of post-quantum crypto, including a number of isogeny papers. In this blog post I will … Continue reading

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CRYPTO 2020

CRYPTO ran as an online conference this year due to COVID. Most of the sessions were while I was sleeping, but I was able to catch up on some of the sessions I missed by looking at recordings. The conference … Continue reading

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The second half of ANTS 2020

This is a follow-up to my previous post on the Fourteenth Algorithmic Number Theory Symposium (ANTS-XIV). First I want to announce that the Selfridge Prize for the best submitted paper as judged by the program committee was awarded to Jonathan … Continue reading

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The first half of ANTS 2020

The Fourteenth Algorithmic Number Theory Symposium (ANTS-XIV), that was intended to take place at the University of Auckland in New Zealand, is currently taking place online in what Noam Elkies has named “New Zoomland”. Here is a report on the … Continue reading

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Eurocrypt 2020

Eurocrypt 2020 took place online, being the first major IACR cryptography conference to be run online over zoom. The chairs did an amazing job at short notice, assisted very ably by Kevin McCurley and Kay McKelly from the IACR as … Continue reading

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May 2020, What’s new?

Things have been quiet on this blog lately. As with everyone else on the planet, I have been distracted by COVID-19 and its impact on academic and family life. But I have decided it is time to write something. Hopefully … Continue reading

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Breaking the decisional Diffie-Hellman problem for class group actions using genus theory

This post is about the paper Breaking the decisional Diffie-Hellman problem for class group actions using genus theory by Wouter Castryck, Jana Sotáková and Frederik Vercauteren. First let us recall the situation in the setting of where is prime. A … Continue reading

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