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Cybersecurity and Networks● OpenPreview

PhD Position in Efficient and Authenticated Private Set Intersection in Multi-Cloud Environments

Explore advancements in cryptographic protocols for secure multi-party data intersection in cloud environments.

Best for:Best for candidates with a strong background in cryptography, secure multi-party computation, and a passion for privacy-preserving data technologies.

IP. Paris · Paris, France · R1 · First-stage researcher
More professors at IP. Paris
Private Set Intersection (PSI)Fully Homomorphic EncryptionSecure Multi-Party ComputationMulti-Cloud SecurityCryptographic ProtocolsData Privacy
Deadline
Dec 31, 2026
77 days
Funding
Salaried
CEA salary
Start date
2026-11-01
Full-time
Location
Paris
France

Overview

This PhD position at IP. Paris focuses on enhancing Private Set Intersection (PSI) protocols to enable secure, authenticated data intersection across multi-cloud environments. PSI allows parties to determine shared data items without revealing private information, with applications in privacy-preserving data mining and secure contact discovery. The research will specifically investigate improvements using fully homomorphic encryption. The candidate will work under the supervision of Aymen Boudguiga at the LIST department, contributing to cutting-edge cryptographic solutions in secure multi-party computation.

PhD in CryptographySecure Multi-Party ComputationPrivate Data IntersectionHomomorphic EncryptionMulti-Cloud SecurityPrivacy-Preserving Data Mining

What you'll do

  • Develop and optimize cryptographic protocols for Private Set Intersection (PSI) in multi-cloud environments.
  • Investigate improvements to PSI using fully homomorphic encryption techniques.
  • Conduct theoretical and experimental research to enhance the efficiency and security of PSI protocols.
  • Collaborate with industry and academic partners to explore real-world applications of PSI.
  • Publish research findings in top-tier conferences and journals within the field of cybersecurity.
  • Present research progress at academic conferences and workshops.

Requirements

Degree required: Master's degree (or equivalent) in Computer Science, Cryptography, Cybersecurity, or a related field

Degree offered: PhD

Language: English (no specific proficiency level mentioned)

Instruction: French (no specific requirement mentioned)

Required skills
  • Strong background in cryptographic protocols and secure multi-party computation
  • Proficiency in advanced encryption techniques, including fully homomorphic encryption
  • Experience with secure data processing and privacy-preserving technologies
  • Familiarity with cloud computing environments and distributed systems
  • Programming skills in languages such as C++, Python, or Rust
Nice to have
Experience with formal verification or security proofs for cryptographic protocolsKnowledge of blockchain or decentralized systemsPublications in top-tier conferences or journals related to cryptography
Eligibility
  • No specific nationality or residency restrictions mentioned
  • No age or prior experience caps mentioned

Funding & terms

Type
Salaried
Amount
CEA salary
Duration
3 years (36 months)
Programme
CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
CEA (Commissariat à l'énergie atomique et aux énergies alternatives)

How to apply

Deadline: 2026-12-31

Applicants should submit their CV, a cover letter outlining their research interests and qualifications, and a research proposal related to Private Set Intersection or related cryptographic protocols. Additional documents may be requested based on the initial application.

Documents required
  • CV
  • Cover letter
  • Research proposal
✉Apply by email

Contact

Aymen Boudguiga· Supervisor

aymen.boudguiga@cea.fr

01 69 08 63 57

AB
Prof.
Aymen Boudguiga
Laboratoire pour la Confiance des sYstèmes de calcul (LIST)
Lab
Département Systèmes et Circuits Intégrés Numériques (LIST)
IP. Paris
France
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