A Linearization Attack on the Bluetooth Key Stream Generator. - Frederik Armknecht (IACR Cryptol. ePrint Arch., 2002)

Algebraic Attacks on Combiners with Memory. - Frederik Armknecht; Matthias Krause 001 (CRYPTO, 2003)

Linearity of the AES Key Schedule. - Frederik Armknecht; Stefan Lucks (AES Conference, 2004)

Improving Fast Algebraic Attacks. - Frederik Armknecht (FSE, 2004)

On the Existence of low-degree Equations for Algebraic Attacks. - Frederik Armknecht (IACR Cryptol. ePrint Arch., 2004)

Extending the Resynchronization Attack. - Frederik Armknecht; Joseph Lano; Bart Preneel (IACR Cryptol. ePrint Arch., 2004)

Design Principles for Combiners with Memory. - Frederik Armknecht; Matthias Krause 001; Dirk Stegemann (INDOCRYPT, 2005)

Introducing a New Variant of Fast Algebraic Attacks and Minimizing Their Successive Data Complexity. - Frederik Armknecht; Gwénolé Ars (Mycrypt, 2005)

Fault Attacks on Combiners with Memory. - Frederik Armknecht; Willi Meier (Selected Areas in Cryptography, 2005)

Algebraic Attacks and Annihilators. - Frederik Armknecht (WEWoRC, 2005)

Re-visited: Denial of Service Resilient Access Control for Wireless Sensor Networks. - Frederik Armknecht; Joao Girão; Marc Ph. Stoecklin; Dirk Westhoff (ESAS, 2006)

Efficient Computation of Algebraic Immunity for Algebraic and Fast Algebraic Attacks. - Frederik Armknecht; Claude Carlet; Philippe Gaborit; Simon Künzli 002; Willi Meier; Olivier Ruatta (EUROCRYPT, 2006)

Constructing Single- and Multi-output Boolean Functions with Maximal Algebraic Immunity. - Frederik Armknecht; Matthias Krause 001 (ICALP (2), 2006)

Experimental results on algebraic attacks on stream ciphers. - Frederik Armknecht; Jörg Brandeis; Egor Ilinykh (Sicherheit, 2006)

Algebraic attacks on certain stream ciphers. - Frederik Armknecht (2006)

Who Said That? Privacy at Link Layer. - Frederik Armknecht; Joao Girão; Alfredo Matos; Rui L. Aguiar (INFOCOM, 2007)

Non-Manipulable Aggregator Node Election Protocols for Wireless Sensor Networks. - Michael Sirivianos; Dirk Westhoff; Frederik Armknecht; Joao Girão (WiOpt, 2007)

An efficient implementation of trusted channels based on openssl. - Frederik Armknecht; Yacine Gasmi; Ahmad-Reza Sadeghi; Patrick Stewin; Martin Unger; Gianluca Ramunno; Davide Vernizzi (STC, 2008)

Secure Multi-Coupons for Federated Environments: Privacy-Preserving and Customer-Friendly. - Frederik Armknecht; Alberto N. Escalante; Hans Löhr; Mark Manulis; Ahmad-Reza Sadeghi (ISPEC, 2008)

CPFP: An efficient key management scheme for large scale personal networks. - Shahab Mirzadeh; Rahim Tafazolli; Frederik Armknecht; Jordi Jaen Pallares; Hossam Afifi (ISWPC, 2008)

A Universally Composable Group Key Exchange Protocol with Minimum Communication Effort. - Jun Furukawa 001; Frederik Armknecht; Kaoru Kurosawa (SCN, 2008)

A lifetime-optimized end-to-end encryption scheme for sensor networks allowing in-network processing. - Frederik Armknecht; Dirk Westhoff; Joao Girão; Alban Hessler (Comput. Commun., 2008)

A New Approach for Algebraically Homomorphic Encryption. - Frederik Armknecht; Ahmad-Reza Sadeghi (IACR Cryptol. ePrint Arch., 2008)

Toward dependable networking: secure location and privacy at the link layer. - Alfredo Matos; Rui L. Aguiar; João Girão; Frederik Armknecht (IEEE Wirel. Commun., 2008)

Algebraic Attacks on Stream Ciphers with Gröbner Bases. - Frederik Armknecht; Gwénolé Ars (Gröbner Bases, Coding, and Cryptography, 2009)

Memory Leakage-Resilient Encryption Based on Physically Unclonable Functions. - Frederik Armknecht; Roel Maes; Ahmad-Reza Sadeghi; Berk Sunar; Pim Tuyls (ASIACRYPT, 2009)

Hide and Seek in Time - Robust Covert Timing Channels. - Yali Liu; Dipak Ghosal; Frederik Armknecht; Ahmad-Reza Sadeghi; Steffen Schulz 001; Stefan Katzenbeisser 001 (ESORICS, 2009)

Using Merkle's Puzzle for key agreement with low-end devices. - Frederik Armknecht; Dirk Westhoff (LCN, 2009)

On RFID Privacy with Mutual Authentication and Tag Corruption. - Frederik Armknecht; Ahmad-Reza Sadeghi; Ivan Visconti; Christian Wachsmann (ACNS, 2010)

Robust and Undetectable Steganographic Timing Channels for i.i.d. Traffic. - Yali Liu; Dipak Ghosal; Frederik Armknecht; Ahmad-Reza Sadeghi; Steffen Schulz 001; Stefan Katzenbeisser 001 (Information Hiding, 2010)

Anonymous Authentication for RFID Systems. - Frederik Armknecht; Liqun Chen 002; Ahmad-Reza Sadeghi; Christian Wachsmann (RFIDSec, 2010)

On the Minimum Communication Effort for Secure Group Key Exchange. - Frederik Armknecht; Jun Furukawa 001 (Selected Areas in Cryptography, 2010)

Using the Inhomogeneous Simultaneous Approximation Problem for Cryptographic Design. - Frederik Armknecht; Carsten Elsner; Martin Schmidt 006 (IACR Cryptol. ePrint Arch., 2010)

A Cleaner View on IND-CCA1 Secure Homomorphic Encryption using SOAP. - Frederik Armknecht; Andreas Peter 001; Stefan Katzenbeisser 001 (IACR Cryptol. ePrint Arch., 2010)

Preimage Resistance Beyond the Birthday Bound: Double-Length Hashing Revisited. - Matthias Krause 001; Frederik Armknecht; Ewan Fleischmann (IACR Cryptol. ePrint Arch., 2010)

Impossibility Results for RFID Privacy Notions. - Frederik Armknecht; Ahmad-Reza Sadeghi; Alessandra Scafuro; Ivan Visconti; Christian Wachsmann (Trans. Comput. Sci., 2010)

Memory Leakage-Resilient Encryption Based on Physically Unclonable Functions. - Frederik Armknecht; Roel Maes; Ahmad-Reza Sadeghi; Berk Sunar; Pim Tuyls (Towards Hardware-Intrinsic Security, 2010)

The Preimage Security of Double-Block-Length Compression Functions. - Frederik Armknecht; Ewan Fleischmann; Matthias Krause 001; Jooyoung Lee 001; Martijn Stam; John P. Steinberger (ASIACRYPT, 2011)

An efficient distributed privacy-preserving recommendation system. - Frederik Armknecht; Thorsten Strufe (Med-Hoc-Net, 2011)

A Formalization of the Security Features of Physical Functions. - Frederik Armknecht; Roel Maes; Ahmad-Reza Sadeghi; François-Xavier Standaert; Christian Wachsmann (IEEE Symposium on Security and Privacy, 2011)

On Constructing Homomorphic Encryption Schemes from Coding Theory. - Frederik Armknecht; Daniel Augot; Ludovic Perret; Ahmad-Reza Sadeghi (IACR Cryptol. ePrint Arch., 2011)

Shift-Type Homomorphic Encryption and Its Application to Fully Homomorphic Encryption. - Frederik Armknecht; Stefan Katzenbeisser 001; Andreas Peter 001 (AFRICACRYPT, 2012)

Symmetric Cryptography (Dagstuhl Seminar 12031). - Frederik Armknecht; Stefan Lucks; Bart Preneel; Phillip Rogaway (Dagstuhl Reports, 2012)

Third international workshop on trustworthy embedded devices (TrustED 2013). - Frederik Armknecht; Jean-Pierre Seifert (CCS, 2013)

A security framework for the analysis and design of software attestation. - Frederik Armknecht; Ahmad-Reza Sadeghi; Steffen Schulz 001; Christian Wachsmann (CCS, 2013)

Towards Search on Encrypted Graph Data. - Andreas Kasten; Ansgar Scherp; Frederik Armknecht; Matthias Krause 001 (PrivOn@ISWC, 2013)

Protecting Public OSN Posts from Unintended Access. - Frederik Armknecht; Manuel Hauptmann; Stefanie Roos; Thorsten Strufe (CoRR, 2013)

Group homomorphic encryption: characterizations, impossibility results, and applications. - Frederik Armknecht; Stefan Katzenbeisser 001; Andreas Peter 001 (Des. Codes Cryptogr., 2013)

Towards Provably Secure Software Attestation. - Frederik Armknecht; Ahmad-Reza Sadeghi; Steffen Schulz 001; Christian Wachsmann (IACR Cryptol. ePrint Arch., 2013)

Outsourced Proofs of Retrievability. - Frederik Armknecht; Jens-Matthias Bohli; Ghassan O. Karame; Zongren Liu; Christian A. Reuter (CCS, 2014)

Fourth International Workshop on Trustworthy Embedded Devices (TrustED 2014). - Frederik Armknecht; Jorge Guajardo (CCS, 2014)

On Increasing the Throughput of Stream Ciphers. - Frederik Armknecht; Vasily Mikhalev (CT-RSA, 2014)

MoP-2-MoP - Mobile Private Microblogging. - Marius Senftleben; Mihai Bucicoiu; Erik Tews; Frederik Armknecht; Stefan Katzenbeisser 001; Ahmad-Reza Sadeghi (Financial Cryptography, 2014)

An additional protection layer for confidential OSNs posts. - Frederik Armknecht; Manuel Hauptmann; Stefanie Roos; Thorsten Strufe (ICC, 2014)

Lightweight Authentication Protocols on Ultra-Constrained RFIDs - Myths and Facts. - Frederik Armknecht; Matthias Hamann; Vasily Mikhalev (RFIDSec, 2014)

Revisiting a Recent Resource-efficient Technique for Increasing the Throughput of Stream Ciphers. - Frederik Armknecht; Vasily Mikhalev (SECRYPT, 2014)

Hardware Efficient Authentication based on Random Selection. - Frederik Armknecht; Matthias Hamann; Matthias Krause 001 (Sicherheit, 2014)

Symmetric Cryptography (Dagstuhl Seminar 14021). - Frederik Armknecht; Helena Handschuh; Tetsu Iwata; Bart Preneel (Dagstuhl Reports, 2014)

General Impossibility of Group Homomorphic Encryption in the Quantum World. - Frederik Armknecht; Tommaso Gagliardoni; Stefan Katzenbeisser 001; Andreas Peter 001 (IACR Cryptol. ePrint Arch., 2014)

Transparent Data Deduplication in the Cloud. - Frederik Armknecht; Jens-Matthias Bohli; Ghassan O. Karame; Franck Youssef (CCS, 2015)

Ripple: Overview and Outlook. - Frederik Armknecht; Ghassan O. Karame; Avikarsha Mandal; Franck Youssef; Erik Zenner (TRUST, 2015)

Privacy-preserving email forensics. - Frederik Armknecht; Andreas Dewald (Digit. Investig., 2015)

A Guide to Fully Homomorphic Encryption. - Frederik Armknecht; Colin Boyd; Christopher Carr; Kristian Gjøsteen; Angela Jäschke; Christian A. Reuter; Martin Strand 001 (IACR Cryptol. ePrint Arch., 2015)

On Lightweight Stream Ciphers with Shorter Internal States. - Frederik Armknecht; Vasily Mikhalev (IACR Cryptol. ePrint Arch., 2015)

Private information retrieval and Searchable Encryption for privacy-preserving multi-client cloud auditing. - Louis Tajan; Dirk Westhoff; Christian A. Reuter; Frederik Armknecht (ICITST, 2016)

On the security of the ZigBee Light Link touchlink commissioning procedure. - Christian Müller 015; Frederik Armknecht; Zinaida Benenson; Philipp Morgner (Sicherheit, 2016)

Mirror: Enabling Proofs of Data Replication and Retrievability in the Cloud. - Frederik Armknecht; Ludovic Barman; Jens-Matthias Bohli; Ghassan O. Karame (USENIX Security Symposium, 2016)

Symmetric Cryptography (Dagstuhl Seminar 16021). - Frederik Armknecht; Tetsu Iwata; Kaisa Nyberg; Bart Preneel (Dagstuhl Reports, 2016)

Side channels in deduplication: trade-offs between leakage and efficiency. - Frederik Armknecht; Colin Boyd; Gareth T. Davies; Kristian Gjøsteen; Mohsen Toorani (IACR Cryptol. ePrint Arch., 2016)

SPORT: Sharing Proofs of Retrievability across Tenants. - Frederik Armknecht; Jens-Matthias Bohli; David Froelicher; Ghassan O. Karame (IACR Cryptol. ePrint Arch., 2016)

Towards a Unified Security Model for Physically Unclonable Functions. - Frederik Armknecht; Daisuke Moriyama; Ahmad-Reza Sadeghi; Moti Yung (IACR Cryptol. ePrint Arch., 2016)

Accelerating Homomorphic Computations on Rational Numbers. - Angela Jäschke; Frederik Armknecht (IACR Cryptol. ePrint Arch., 2016)

On Ciphers that Continuously Access the Non-Volatile Key. - Vasily Mikhalev; Frederik Armknecht; Christian Müller 015 (IACR Trans. Symmetric Cryptol., 2016)

Sharing Proofs of Retrievability across Tenants. - Frederik Armknecht; Jens-Matthias Bohli; David Froelicher; Ghassan Karame (AsiaCCS, 2017)

Towards End-to-End Data Protection in Low-Power Networks. - Vasily Mikhalev; Laurent Gomez; Frederik Armknecht; José Márquez (CyberICPS/SECPRE@ESORICS, 2017)

Privacy Implications of Room Climate Data. - Philipp Morgner; Christian Müller 015; Matthias Ring; Björn M. Eskofier; Christian Riess; Frederik Armknecht; Zinaida Benenson (ESORICS (2), 2017)

Short Paper: Industrial Feasibility of Private Information Retrieval. - Angela Jäschke; Björn Grohmann; Frederik Armknecht; Andreas Schaad (SECRYPT, 2017)

Insecure to the touch: attacking ZigBee 3.0 via touchlink commissioning. - Philipp Morgner; Stephan Mattejat; Zinaida Benenson; Christian Müller 015; Frederik Armknecht (WISEC, 2017)

SMAUG: Secure Mobile Authentication Using Gestures. - Christian A. Gorke; Frederik Armknecht (CoRR, 2017)

Sharding PoW-based Blockchains via Proofs of Knowledge. - Frederik Armknecht; Jens-Matthias Bohli; Ghassan O. Karame; Wenting Li 001 (IACR Cryptol. ePrint Arch., 2017)

Cloud Storage File Recoverability. - Christian A. Gorke; Christian Janson; Frederik Armknecht; Carlos Cid (IACR Cryptol. ePrint Arch., 2017)

(Finite) Field Work: Choosing the Best Encoding of Numbers for FHE Computation. - Angela Jäschke; Frederik Armknecht (IACR Cryptol. ePrint Arch., 2017)

Industrial Feasibility of Private Information Retrieval. - Angela Jäschke; Björn Grohmann; Frederik Armknecht; Andreas Schaad (IACR Cryptol. ePrint Arch., 2017)

Chains and Whips - An approach to lighweight MACs. - Paul Walther; Stefan Köpsell; Frederik Armknecht; Gene Tsudik; Thorsten Strufe (Krypto-Tag, 2018)

Privacy-Preserving Distributed Economic Dispatch Protocol for Smart Grid. - Avikarsha Mandal; Frederik Armknecht; Erik Zenner (NordSec, 2018)

Unsupervised Machine Learning on Encrypted Data. - Angela Jäschke; Frederik Armknecht (IACR Cryptol. ePrint Arch., 2018)

Towards Low Energy Stream Ciphers. - Subhadeep Banik; Vasily Mikhalev; Frederik Armknecht; Takanori Isobe 001; Willi Meier; Andrey Bogdanov; Yuhei Watanabe; Francesco Regazzoni 001 (IACR Trans. Symmetric Cryptol., 2018)

Reverse Fingerprinting. - Christian A. Gorke; Frederik Armknecht (CoRR, 2019)

Biggest Failures in Security (Dagstuhl Seminar 19451). - Frederik Armknecht; Ingrid Verbauwhede; Melanie Volkamer; Moti Yung (Dagstuhl Reports, 2019)

Private Set Relations with Bloom Filters for Outsourced SLA Validation. - Louis Tajan; Dirk Westhoff; Frederik Armknecht (IACR Cryptol. ePrint Arch., 2019)

Privacy implications of room climate data. - Frederik Armknecht; Zinaida Benenson; Philipp Morgner; Christian Müller 015; Christian Riess (J. Comput. Secur., 2019)

ProMACs: Progressive and Resynchronizing MACs for Continuous Efficient Authentication of Message Streams. - Frederik Armknecht; Paul Walther; Gene Tsudik; Martin Beck; Thorsten Strufe (CCS, 2020)

Solving Set Relations with Secure Bloom Filters Keeping Cardinality Private. - Louis Tajan; Dirk Westhoff; Frederik Armknecht (ICETE (2), 2020)

Selected Design and Analysis Techniques for Contemporary Symmetric Encryption. - Vasily Mikhalev; Miodrag J. Mihaljevic; Orhun Kara; Frederik Armknecht (Security of Ubiquitous Computing Systems, 2021)

How to Take Over Drones. - Sebastian Plotz; Frederik Armknecht; Christian Bunse (AsiaCCS, 2021)

Regulating Storage Overhead in Existing PoW-based Blockchains. - Frederik Armknecht; Jens-Matthias Bohli; Ghassan O. Karame; Wenting Li 001 (SACMAT, 2021)

Outsourcing Proofs of Retrievability. - Frederik Armknecht; Jens-Matthias Bohli; Ghassan Karame; Wenting Li 001 (IEEE Trans. Cloud Comput., 2021)

Salting as a Countermeasure against Attacks on Privacy Preserving Record Linkage Techniques. - Yanling Chen; Rainer Schnell; Frederik Armknecht; Youzhe Heng (HEALTHINF, 2022)

Report: State of the Art Solutions for Privacy Preserving Machine Learning in the Medical Context. - Jasmin Zalonis; Frederik Armknecht; Björn Grohmann; Manuel Koch (CoRR, 2022)

If You Like Me, Please Don't "Like" Me: Inferring Vendor Bitcoin Addresses From Positive Reviews. - Jochen Schäfer; Christian Müller 015; Frederik Armknecht (Proc. Priv. Enhancing Technol., 2022)

Strengthening Privacy-Preserving Record Linkage using Diffusion. - Frederik Armknecht; Youzhe Heng; Rainer Schnell (Proc. Priv. Enhancing Technol., 2023)

Practical Light Clients for Committee-Based Blockchains. - Frederik Armknecht; Ghassan Karame; Malcom Mohamed; Christiane Weis (ACSAC, 2024)

R+R: Revisiting Graph Matching Attacks on Privacy-Preserving Record Linkage. - Jochen Schäfer; Frederik Armknecht; Youzhe Heng (ACSAC, 2024)

Buy Crypto, Sell Privacy: Investigating the Cryptocurrency Exchange Evonax. - Alexander Brechlin; Jochen Schäfer; Frederik Armknecht (ICBC, 2024)

Towards a Cryptographic Model for Wireless Communication. - Frederik Armknecht; Christian Müller 015 (SECRYPT, 2024)

Cryptanalysis of the Record Linkage Protocol used by German Cancer Registries. - Youzhe Heng; Rainer Schnell; Frederik Armknecht (Sicherheit, 2024)

0 Sterne für die Sicherheit: Wie Kundenbewertungen die Bitcoin-Adressen von Darknet-Händlern verraten. - Jochen Schäfer; Christian Müller 015; Frederik Armknecht (Sicherheit, 2024)

Larger-scale Nakamoto-style Blockchains Don't Necessarily Offer Better Security. - Jannik Albrecht; Sébastien Andreina; Frederik Armknecht; Ghassan Karame; Giorgia Azzurra Marson; Julian Willingmann (SP, 2024)

A New Quadratic Noisy Functional Encryption Scheme and Its Application for Privacy Preserving Machine Learning. - Jasmin Zalonis; Linda Scheu-Hachtel; Frederik Armknecht (ACNS (3), 2025)