Sven Schäge Research Associate Contact: Sven Schäge Department of Computer Science, UCL      Gower Street London WC1E 6BT United Kingdom E-mail: s.schage@ucl.ac.uk

Currently I am PostDoc in Jens Groth's security group at University College London. In 2011, I finished my PhD at Ruhr-Universität Bochum, Germany on secure digital signature schemes in the standard model. My thesis readers are Jörg Schwenk and Eike Kiltz.

Fields of Interest

• Authentication mechanisms and encryption
• Key agreement protocols
• Privacy-preserving cryptography
• Practice-oriented cryptography

Publications

Yong Li, Sven Schäge, Zheng Yang, Christoph Bader, and Jörg Schwenk: New Modular Compilers for Authenticated Key Exchange.
ACNS '14.
[DOI Link]

Yong Li, Sven Schäge, Zheng Yang, Florian Kohlar, and Jörg Schwenk: On the Security of the Pre-Shared Key Ciphersuites of TLS.
PKC '14.
[Full Version][DOI Link]

Sven Schäge: Tight Security for Signature Schemes Without Random Oracles.
Journal of Cryptology 2013
[DOI Link]

Florian Kohlar, Sven Schäge, and Jörg Schwenk: On the Security of TLS-DH and TLS-RSA in the Standard Model.
eprint 2013
[Full Version]

Tilman Frosch, Sven Schäge, Martin Goll, Thorsten Holz: Improving Location Privacy for the Electric Vehicle Masses.
Technical Report 2013
[Link]

Tibor Jager, Florian Kohlar, Sven Schäge, and Jörg Schwenk: On the Security of TLS-DHE in the Standard Model.
CRYPTO '12
[Full Version][DOI Link]

Sven Schäge: Strong Security from Probabilistic Signature Schemes.
PKC '12
[DOI Link]

Sven Schäge: Tight Proofs for Signature Schemes without Random Oracles.
EUROCRYPT '11
[DOI Link]

Tibor Jager, Florian Kohlar, Sven Schäge, and Jörg Schwenk: Generic Compilers for Authenticated Key Exchange.
ASIACRYPT '11
[Full Version] [DOI Link]

Sven Schäge: Towards an Anonymous Access Control and Accountability Scheme for Cloud Computing.
CLOUD '10 
[DOI Link]

Sven Schäge, Jörg Schwenk: A New RSA-Based Signature Scheme.
AFRICACRYPT '10 
[DOI Link]

Sven Schäge, Jörg Schwenk: A CDH-Based Ring Signature Scheme with Short Signatures and Public Keys.
Financial Cryptography '10
[DOI Link]

Sven Schäge: Twin Signatures, Revisited.
ProvSec '09 
[DOI Link]

Jörg Helbach, Sven Schäge, Jörg Schwenk: Code Voting with Linkable Group Signatures.
EVOTE '08 
[Link]

Xuan Chen, Christoph Löhr, Sebastian Gajek, Sven Schäge: Die Sicherheit von MS CardSpace und verwandten Single-Sign-On-Protokollen
Datenschutz und Datensicherheit - DuD
[DOI Link]

Tim Güneysu, Sven Schäge, Christof Paar: Efficient Hash Collision Search Strategies on Special-Purpose Hardware.
WEWoRC '07
[DOI Link]

Tim Güneysu, Sven Schäge, Christof Paar: Efficient Hash Collision Search Strategies on Special-Purpose Hardware.
SHARCS '07
[Link]

Invited Talks

• Oberseminar at the Chair of Cryptology & IT-Security, Ruhr-Universität Bochum, 2012.
• Cryptography Seminar of Institute of Mathematical Research of Rennes, Université de Rennes 1, 2012.
  Regular seminar of the Institute of Mathematical Research of Rennes with iternational speakers.
• 14. Kryptotag der Gesellschaft für Informatik e.V., Ruhr-Universität Bochum, 2011.
  Scientific event that is organized once a year by the group 'Angewandte Kryptologie' (applied cryptology) of the German Gesellschaft für Informatik e.V..