talks

Backdoored Hash Functions: Immunizing HMAC and HKDF

• 15 January 2019 at University of California San Diego, San Diego, USA. [slides]
• 10 July 2018 at CSF 2018, Oxford, UK. [slides]
• 21 June 2018 at CDC Oberseminar, Darmstadt, Germany. [slides]
• 05 April 2018 at CryptoAction Symposium, Sutomore, Montenegro. [slides]

PRF-ODH: Relations, Instantiations and Impossibility Results

• 07 September 2017 at Research Seminar NTNU, Trondheim, Norway. [slides]

On the Verification of Computation and Data Retrievability

• 11 October 2016 PhD Defense, Royal Holloway, University of London, Egham, UK.

Hybrid Publicly Verifiable Computation

• 14 September 2015 at CASED, Darmstadt, Germany.

Modes of Verifiable Computation

• 06 June 2015 at CryptoForma Meeting, ECIT, Queen's University Belfast, Belfast, UK.

Verifiable Computation Schemes: outsourcing computation to untrusted servers

• 26 May 2015 at ICMS Workshop, Edinburgh, UK.

Verifiable Outsourced Computations

• 18 May 2015, University of Mannheim, Germany.

Revocation in Publicly Verifiable Outsourced Computation

• 22 January 2015 at Crypto Day, Wincor Nixdorf, Paderborn, Germany.
• 13 December 2014 at Inscrypt 2014, Beijing, China.
• 09 June 2014 at ITA Bootcamp Meeting, University of Delaware, Delaware, USA.
• 28 May 2014 at CryptoForma Meeting, University of York, York, UK.

Verifiable Computation Using Attribute-based Encryption

• 18 December 2013 at HP Day, Royal Holloway, University of London, Egham, UK.

Data Analysis in Security

• 27 March 2013 at PhD Miniconference, Royal Holloway, University of London, Egham, UK.

Boolean Functions, Klosterman Sums and Number Theoretic Constructions

• 19 June 2012 at Universität Magdeburg, Magdeburg, Germany.

Boolean Functions

• 30 July 2012 at Télécom ParisTech, Paris, France.
• 29 March 2012 at Ruhr-Universität Bochum, Bochum, Germany.
• 14 February 2012 at Universität Bremen, Bremen, Germany.