Research

Publications

• OmniLedger: A Secure, Scale-Out, Decentralized Ledger
  Eleftherios Kokoris-Kogias and Philipp Jovanovic and Linus Gasser and Nicolas Gailly and Bryan Ford
  Cryptology ePrint Archive: Report 2017/406
  paper
• Chainiac: Proactive Software-Update Transparency via Collectively Signed Skipchains and Verified Builds
  Kirill Nikitin and Eleftherios Kokoris-Kogias and Philipp Jovanovic and Nicolas Gailly and Linus Gasser and Ismail Khoffi and Justin Cappos and Bryan Ford
  USENIX Security 2017 (to appear)
  paper
  cyberscoop / Bryan Ford's Blog
• Maria Borge, Eleftherios Kokoris-Kogias, Philipp Jovanovic, Linus Gasser, Nicolas Gailly, Bryan Ford
  IEEE S&B 2017
  code
• Scalable Bias-Resistant Distributed Randomness
  Ewa Syta, Philipp Jovanovic, Eleftherios Kokoris-Kogias, Nicolas Gailly, Linus Gasser, Ismail Khoffi, Michael J. Fischer, Bryan Ford
  IEEE S&P 2017
  paper / code
• Nonce-Disrespecting Adversaries: Practical Forgery Attacks on GCM in TLS
  Hanno Böck, Aaron Zauner, Sean Devlin, Juraj Somorovsky, Philipp Jovanovic
  USENIX WOOT 2016
  paper / code
  Ars Technica / Pwnies / Golem
• Enhancing Bitcoin Security and Performance with Strong Consistency via Collective Signing
  Eleftherios Kokoris-Kogias, Philipp Jovanovic, Nicolas Gailly, Ismail Khoffi, Linus Gasser, Bryan Ford
  USENIX Security 2016
  paper / code
  Hacking, Distributed / Bryan Ford's Blog / CryptoCoins News / EPFL News
• Managing Identities Using Blockchains and CoSi
  Eleftherios Kokoris-Kogias, Linus Gasser, Ismail Khoffi, Philipp Jovanovic, Nicolas Gailly, Bryan Ford
  HotPETS 2016
  paper
• Keeping Authorities ''Honest or Bust'' with Decentralized Witness Cosigning
  Ewa Syta, Iulia Tamas, Dylan Visher, David Isaac Wolinsky, Philipp Jovanovic, Linus Gasser, Nicolas Gailly, Ismail Khoffi, Bryan Ford
  IEEE S&P 2016
  paper / code
  Freedom to Tinker / Ars Technica / Boing Boing
• Improved Masking for Tweakable Blockciphers with Applications to Authenticated Encryption
  Robert Granger, Philipp Jovanovic, Bart Mennink, Samuel Neves
  EUROCRYPT 2016
  paper / code
• Analyzing Permutations for AES-like Ciphers: Understanding ShiftRows
  Christof Beierle, Philipp Jovanovic, Martin M. Lauridsen, Gregor Leander, Christian Rechberger
  CT-RSA 2015
  paper / code
• Practical Cryptanalysis of the Open Smart Grid Protocol
  Philipp Jovanovic, Samuel Neves
  FSE 2015
  paper
  Schneier on Security / Boing Boing / Threatpost / Heise / Uni Passau
• NORX8 and NORX16: Authenticated Encryption for Low-End Systems
  Jean-Philippe Aumasson, Philipp Jovanovic, Samuel Neves
  TRUDEVICE 2015
  paper / code
• Philipp Jovanovic, Ilia Polian
  DATE 2015
  Beyond 2^{c/2} Security in Sponge-Based Authenticated Encryption Modes

  Philipp Jovanovic, Atul Luykx, Bart Mennink

  ASIACRYPT 2014

  paper
• Parametric Trojans for Fault-Injection Attacks on Cryptographic Hardware
  Raghavan Kumar, Philipp Jovanovic, Wayne Burleson, Ilia Polian
  FDTC 2014
  paper
• Analysis of NORX: Investigating Differential and Rotational Properties
  Jean-Philippe Aumasson, Philipp Jovanovic, Samuel Neves
  Latincrypt 2014
  paper / code
• NORX: Parallel and Scalable AEAD
  Jean-Philippe Aumasson, Philipp Jovanovic, Samuel Neves
  ESORICS 2014
  paper / code
• Precise Fault-Injections using Voltage and Temperature Manipulation for Differential Cryptanalysis
  Raghavan Kumar, Philipp Jovanovic, Ilia Polian
  IOLTS 2014
  paper
• Multi-Stage Fault Attacks on Block Ciphers
  Philipp Jovanovic, Martin Kreuzer, Ilia Polian
  WRTLT 2013
  paper
• An Algebraic Fault Attack on the LED Block Cipher
  Philipp Jovanovic, Martin Kreuzer, Ilia Polian
  SCC 2012
  paper
• Philipp Jovanovic, Martin Kreuzer, Ilia Polian
  COSADE 2012
  Philipp Jovanovic, Martin Kreuzer

  Groups – Complexity – Cryptology: 2, 2010

  Analysis and Design of Symmetric Cryptographic Algorithms

  Philipp Jovanovic

  thesis
• Philipp Jovanovic
  Philipp Jovanovic

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