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Image of Dr Ali Kaafarani

Dr Ali El Kaafarani

MSc, Ph.D
Status
Visiting Professor, Research Fellow, Lecturer

Founder of PQShield Ltd.

Contact form
+44 1865 615202
ORCID iD
https://orcid.org/0000-0002-5702-0323
Research groups
  • Number Theory
  • Cryptography

Address
Mathematical Institute
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG

Recent publications
Lossy CSI-FiSh: Efficient Signature Scheme with Tight Reduction to Decisional CSIDH-512.
Kaafarani, A Katsumata, S Pintore, F Public Key Cryptography (2) volume 12111 157-186 (2020)
More efficient, provably-secure direct anonymous attestation from lattices
El Kassem, N Chen, L El Bansarkhani, R El Kaafarani, A Camenisch, J Hough, P Martins, P Sousa, L FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE volume 99 425-458 (Oct 2019) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000502894300035&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Attribute-based signatures for unbounded circuits in the ROM and efficient instantiations from lattices
El Kaafarani, A Katsumata, S 21st International Conference on Practice and Theory of Public Key Cryptography (PKC 2018) (25 Mar 2018)
Anonymous Reputation Systems Achieving Full Dynamicity from Lattices
El Kaafarani, A Katsumata, S Solomon, R Financial Cryptography (22 Feb 2018)
Attribute-Based Signatures with User-Controlled Linkability Without Random Oracles
El Kaafarani, A Ghadafi, E Cryptography and Coding volume 10655 LNCS 161-184 (10 Dec 2017)
Teaching

Lecturer on Introduction to Cryptography, part of the Masters' course MFOCS.

Research interests

Cryptography, Information Security

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