Background and activities

Postdoc for Cryptographic Tools for Cloud Security project and member of the NTNU applied cryptology group. Co-organizer of the Secure Cloud Storage and Services workshop in Oslo, September 2017. Formerly PhD student and Postdoc at the University of Bristol.

 

Research Papers:

  • Offline Assisted Group Key Exchange
    Colin Boyd, Gareth T. Davies, Kristian Gjøsteen and Yao Jiang
    In submission. Full version available at [ePrint]
  • Zero-Knowledge proof of decryption for FHE ciphertexts
    Christopher Carr, Anamaria Costache, Gareth T. Davies, Kristian Gjøsteen and Martin Strand
    In submission. Full version available at [ePrint]
  • Security notions for cloud storage and deduplication
    Colin Boyd, Gareth T. Davies, Kristian Gjøsteen, Mohsen Toorani and Håvard Raddum
    In submission. Full version available at [ePrint]
  • Side channels in deduplication: trade-offs between leakage and efficiency
    Frederik Armknecht, Colin Boyd, Gareth T. Davies, Kristian Gjøsteen and Mohsen Toorani
    AsiaCCS 2017. Proceedings [here] or full version available at [ePrint]
  • KDM security in the hybrid framework
    Gareth T. Davies and Martijn Stam. 
    CT-RSA 2014. Proceedings [here] or full version available at [ePrint].
  • RKA-KDM secure encryption from public-key encryption
    Florian Böhl, Gareth T. Davies and Dennis Hofheinz. 
    PKC 2014. Proceedings [here] or full version available at [ePrint].

 

PhD Thesis:

Encryption in the Presence of Key-Dependent Messages and Related-Key Attacks (2015) [here]

 

Research interests:

Cryptography, Information Security, Cloud Storage, Public-Key Cryptography, Related-Key Security, Deduplication, Key-Dependent Message Security, Number Theory.

 

Professional Activities:

Contact me via email for PC or review requests.

Scientific, academic and artistic work

A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database

Part of book/report

  • Armknecht, Frederik; Boyd, Colin Alexander; Davies, Gareth Thomas; Gjøsteen, Kristian; Toorani, Mohsen. (2017) Side channels in deduplication: trade-offs between leakage and efficiency. Proceedings of the 2017 ACM on Asia Conference on Computer and Communications Security.