Homomorphic Encryption

Applications and Technology


Summer School on Mathematical and Practical Aspects of Fully Homomorphic Encryption and Multi-Linear Maps

October 12th-16th, 2015
Paris, France

Co-organized by the EU funded

CrypoAction Logo, HEAT Logo, CryptoCloud Logo,
aSCEND and SafeCrypto Logo projects, and IHP Logo,

we will be hosting a summer school on the areas of Fully Homomorphic Encryption and Multi-Linear Maps. The school will cover both theoretical and practical aspects of these two topics, as well as cryptanalysis and applications. Current speakers who have confirmed will be

Zvika Brakerski, Weizmann Institute.
Léo Ducas, CWI.
Craig Gentry, IBM.
Shai Halevi, IBM.
Tancrède Lepoint, CryptoExperts.
Chris Peikert, Georgia-Tech.
Amit Sahai, UCLA.
Damien Stehlé, ENS-Lyon.

Additional Information:


Vadim Lyubashevsky and Nigel Smart.


The final program was slightly different from that previously given on the web. Here is the final program with slides.

Introduction to FHE from standard LWE
 Zvika Brakerski Fully Homomorphic Encryption, Fully Homomorphic Signatures and other beasts
Introduction to Bootstrapping and Ring-LWE
 Chris Peikert Bootstrapping (with Small Error Growth)
 Chris Peikert Cryptography from Rings
Implementation Details for FHE from Ring-LWE
 Shai Halevi BGV Basics
 Shai Halevi Packing
 Shai Halevi Bootstrapping
Multi-Linear Maps Basics
 Craig Gentry
The CLT Multi-Linear Map
 Tancrède Lepoint CLT
 Léo Ducas Algorithmic Geometry of Numbers: LLL and BKZ
 Léo Ducas Recovering Short Generators of Principal Ideals in Cyclotomic Rings
Topics in FHE and MLM
 Léo Ducas,
 Damien Stehlé
Sanitization of FHE Ciphertexts
 Damien Stehlé Cryptanalysis of GGH13
Basics of iO
 Amit Sahai Obfuscation
Advanced iO
 Craig Gentry


IHP Logo Institut Henri Poincaré
11 Rue Pierre et Marie Curie
Paris, France.


Registration is free, but you do need to register with us. This can be done here.

Important notification

The event is now full. If spaces open up we will allocate people on a priority basis. Please send an email to Vadim and Nigel along with a two-three sentence case as to why we should consider you for a place. If you are a student, please mention who your supervisor is.


We have a limited number of stipends for applicants from countries who joined the COST CryptoAction (see here for the list). The stipend is a fixed amount of 900 Euro (600 Euro for France). Gender and country balance will be taken into account when evaluating stipend applications. The deadline for stipend application was on July 17th.

UPDATE: Notifications have been sent out. If you have applied for a stipend but have not received an email from us, please check your spam folder or write to cryptoaction AT cs.au.dk.


There are many hotels to choose from in the vicinity of the venue. For a list see here or here.

COST    H2020


Project reference: 644209
Start date: 01-01-2015
End date: 31-12-2017
Duration: 36 months

Project funding: € 4.165.726
Programme: H2020
Call: H2020-ICT-2014-1
Action: Research and Innovation Action