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- Zekeriya Erkin, Martin Franz, Jorge Guajardo, Stefan Katzenbeisser, Reginald L. Lagendijk, Tomas Toft
- PETS 2009
- 2009
Face recognition is increasingly deployed as a means to unobtrusively verify the identity of people. The widespread use of biometrics raises important privacy concerns, in particular if the biometric… (More)
- Boris Skoric, Stefan Katzenbeisser, Mehmet Utku Celik
- IACR Cryptology ePrint Archive
- 2007
Fingerprinting provides a means of tracing unauthorized redistribution of digital data by individually marking each authorized copy with a personalized serial number. In order to prevent a group of… (More)
- Andreas Holzer, Martin Franz, Stefan Katzenbeisser, Helmut Veith
- ACM Conference on Computer and Communications…
- 2012
The practical application of Secure Two-Party Computation is hindered by the difficulty to implement secure computation protocols. While recent work has proposed very simple programming languages… (More)
- Christina Brzuska, Marc Fischlin, Heike Schröder, Stefan Katzenbeisser
- IACR Cryptology ePrint Archive
- 2011
Recently, there have been numerous works about hardwareassisted cryptographic protocols, either improving previous constructions in terms of efficiency, or in terms of security. In particular, many… (More)
- Anthony Van Herrewege, Stefan Katzenbeisser, +4 authors Christian Wachsmann
- FC 2012
- 2012
RFID-based tokens are increasingly used in electronic payment and ticketing systems for mutual authentication of tickets and terminals. These systems typically use cost-effective tokens without… (More)
Many different steganographic methods have been proposed during the last few years; most of them can be seen as substitution systems. Such methods try to substitute redundant parts of a signal with a… (More)
- Andreas Peter, Erik Tews, Stefan Katzenbeisser
- IEEE Transactions on Information Forensics and…
- 2013
Secure multiparty computation enables a set of users to evaluate certain functionalities on their respective inputs while keeping these inputs encrypted throughout the computation. In many… (More)
- Christina Brzuska, Heike Schröder, +8 authors Dominique Schröder
- ACNS
- 2010
Kundu and Bertino (VLDB 2008) recently introduced the idea of structural signatures for trees which support public redaction of subtrees (by third-party distributors) while pertaining the integrity… (More)
- Sascha Müller, Stefan Katzenbeisser, Claudia Eckert
- ICISC
- 2008
Ciphertext-Policy Attribute-Based Encryption (CP-ABE) allows to encrypt data under an access policy, specified as a logical combination of attributes. Such ciphertexts can be decrypted by anyone with… (More)
Physically Unclonable Functions (PUFs) are an emerging technology and have been proposed as central building blocks in a variety of cryptographic protocols and security architectures. However, the… (More)