Dr. Juliane Krämer

Work Hochschulstr. 10
64289 Darmstadt

Raum: S202 B207

work +49 6151 16-20662
fax +49 6151 16-20665

jkraemer@cdc.informatik.tu-...

I am appointed Athene Young Investigator, PI of the CROSSING project P1 Public-Key Encryption and Signature Schemes, and Junior Fellow of Gesellschaft für Informatik.

If you are looking for a PhD position or want to write a master thesis about physical attacks on post-quantum cryptography, just send me a mail.

Research Interests

Post-quantum cryptography, especially lattice-based cryptography
Fault attacks
Side channel attacks

PhD students

Patrick Struck

Master and Bachelor students (ongoing)

Soundes Marzougui (Master)

Publications

Krämer, Loiero (2019): Fault attacks on UOV and Rainbow. COSADE 2019, Darmstadt
Kannwischer, Genêt, Butin, Krämer, Buchmann (2018): Differential Power Analysis of XMSS and SPHINCS. COSADE 2018, Singapore
Liu, Krämer, Hu, Buchmann (2017): Quantum security analysis of a lattice-based oblivious transfer protocol. Frontiers of IT & EE
Bindel, Krämer, Schreiber (2017): Hampering fault attacks against lattice-based signature schemes: countermeasures and their efficiency (special session). CODES+ISSS 2017, Seoul, Korea
Bindel, Buchmann, Krämer, Mantel, Schickel, Weber (2017): Bounding the Cache-Side-Channel Leakage of Lattice-Based Signature Schemes Using Program Semantics. FPS 2017, Nancy, France
Alkim, Bindel, Buchmann, Dagdelen, Eaton, Gutoski, Krämer, Pawlega (2017): Revisiting TESLA in the Quantum Random Oracle Model. PQCrypto 2017, Utrecht, the Netherlands
Krämer (2017) Why Cryptography should not rely on physical attack complexity. it – Information Technology, de Gruyter
Krämer (2016) Warum wir uns in der Kryptographie nicht auf die Komplexität physikalischer Angriffe verlassen sollten. In Ausgezeichnete Informatikdissertationen 2015 (GIDISS'15)
Bindel, Buchmann, Krämer (2016) Lattice-Based Signature Schemes and their Sensitivity to Fault Attacks. FDTC 2016, Santa Barbara, CA, USA
Buchmann, Büscher, Goepfert, Katzenbeisser, Krämer, Micciancio, Siim, van Vredendaal, Walter (2016) Creating Cryptographic Challenges Using Multi-Party Computation: The LWE Challenge. ASIAPKC 2016, Xi'an, China
Kiss, Krämer, Rauzy, Seifert (2016) Algorithmic Countermeasures Against Fault Attacks and Power Analysis for RSA-CRT. COSADE 2016, Graz, Austria
Akleylek, Bindel, Buchmann, Krämer, Marson (2016) An Efficient Lattice-Based Signature Scheme with Provably Secure Instantiation. AFRICACRYPT 2016, Fes, Marokko
Krämer (2016) Ein praktisch realisierter Fehlerangriff gegen eine bekannte Implementierung einer kryptographischen Paarung. SmartCard Workshop 2016, Darmstadt, Germany
Kiss, Stüber, Krämer (2015) On the Optimality of Differential Fault Analyses on CLEFIA. MACIS 2015, Berlin, Germany
Ganji, Krämer, Seifert, Tajik (2015) Lattice Basis Reduction Attack against Physically Unclonable Functions. CCS'15, Denver, Colorado, US
Blömer, Gomes da Silva, Günther, Krämer, Seifert (2014) A Practical Second‐Order Fault Attack against a Real‐World Pairing Implementation. FDTC 2014, Busan, Korea
Krämer (2014) Anwendungen von identitätsbasierter Kryptographie. SmartCard Workshop 2014, Darmstadt, Germany
Krämer, Kasper, Seifert (2014) The Role of Photons in Cryptanalysis. ASP-DAC 2014, Singapore
Schlösser, Nedospasov, Krämer, Orlic, Seifert (2013) Simple Photonic Emission Analysis of AES. Journal of Cryptographic Engineering, Springer-Verlag Krämer, Nedospasov, Schlösser, Seifert (2013) Differential Photonic Emission Analysis. COSADE 2013, Paris, France
Schlösser, Nedospasov, Krämer, Orlic, Seifert (2012) Simple Photonic Emission Analysis of AES. Workshop on Cryptographic Hardware and Embedded Systems (CHES 2012), Leuven, Belgium
Michéle, Krämer, Seifert (2012) Structure-Based RSA Fault Attacks. 8th International Conference on Information Security Practice and Experience (ISPEC 2012), Hangzhou, China
Krämer, Nedospasov, Seifert (2011) Weaknesses in Current RSA Signature Schemes. Information Security and Cryptology – ICISC 2011 – 14th International Conference, Seoul, Korea
Dörflinger, Voth, Krämer, Fromm (2010) My smartphone is a safe – The user's point of view regarding graded seurity levels and novel authentication methods. SECRYPT 2010 – International Conference on Security and Cryptography, Athens, Greece

Publications on eprint

Kannwischer, Genêt, Butin, Krämer, Buchmann (2018): Differential Power Analysis of XMSS and SPHINCS. Cryptology ePrint Archive, Report 2018/673
Buchmann, Büscher, Göpfert, Katzenbeisser, Krämer, Micciancio, Siim, van Vredendaal, Michael Walter (2017): Creating Cryptographic Challenges Using Multi-Party Computation: The LWE Challenge. Cryptology ePrint Archive, Report 2017/606
Alkeilani Alkadri, Buchmann, El Bansarkhani, Krämer (2017): A Framework to Select Parameters for Lattice-Based Cryptography. Cryptology ePrint Archive, Report 2017/615
Bindel, Buchmann, Krämer, Heiko Mantel, Schickel, Weber: Bounding the cache-side-channel leakage of lattice-based signature schemes using program semantics. Cryptology ePrint Archive, Report 2017/951
Bindel, Buchmann, Krämer (2016) Lattice-Based Signature Schemes and their Sensitivity to Fault Attacks. Cryptology ePrint Archive, Report 2016/415
Kiss, Krämer, Rauzy, Seifert (2016) Algorithmic Countermeasures Against Fault Attacks and Power Analysis for RSA-CRT. Cryptology ePrint Archive, Report 2016/238
Akleylek, Bindel, Buchmann, Krämer, Marson (2016) An Efficient Lattice-Based Signature Scheme with Provably Secure Instantiation. Cryptology ePrint Archive, Report 2016/030
Krämer, Stüber, Kiss (2014) On the Optimality of Differential Fault Analyses on CLEFIA. Cryptology ePrint Archive, Report 2014/572
Blömer, Gomes da Silva, Günther, Krämer, Seifert (2014) A Practical Second-Order Fault Attack against a Real-World Pairing Implementation. Cryptology ePrint Archive, Report 2014/543

Talks

Post-Quantum-Kryptographie (für das Internet der Dinge). Februar 2019, Karlsruher Institut für Technologie, Karlsruhe, Germany
Post-Quantum-Kryptographie. November 2016, Real Estate CFO Summit, Berlin, Germany
Post-Quantum-Kryptographie. September 2016, INFORMATIK 2016, Klagenfurt, Austria
Ansprache als GI-Junior-Fellow 2016. September 2016, INFORMATIK 2016, Klagenfurt, Austria
Kryptographie – wie wir heute und morgen Informationen sicher übermitteln. September 2016, Webmontag Frankfurt #81, Frankfurt am Main, Germany
Why Cryptography Should Not Rely on Physical Attack Complexity. May 2016, GI-Dissertationspreis 2015, Schloss Dagstuhl, Germany
Why Cryptography Should Not Rely on Physical Attack Complexity. April 2016, CAST/GI Promotionspreis IT-Sicherheit 2015/16, Bonn, Germany
Practical Second-Order Fault Attacks against Pairings. February 2016, SmartCard-Workshop 2016, Darmstadt, Germany
The LWE Challenge, December 2015, 23. Kryptotag, Berlin, Germany
On the Optimality of Differential Fault Analyses on CLEFIA. November 2015, MACIS 2015, Berlin, Germany
Fault Attacks on Pairing-Based Cryptography. September 2015, ECC 2015, Bordeaux, France
The LWE Challenge. September 2015, ECC 2015 Rump Session, Bordeaux, France
Anwendungen von identitätsbasierter Kryptographie. February 2014, SmartCard-Workshop 2014, Darmstadt, Germany
The Role of Photons in Cryptanalysis. January 2014, ASP-DAC 2014, Singapore
Differential Photonic Emission Analysis, March 2013, COSADE 2013, Paris, France
Photonische Seitenkanal-Analyse, March 2013, Bundesamt für Sicherheit in der Informationstechnik (BSI), Bonn, Germany
Photonische Seitenkanal-Analyse, August 2012, CAST-Workshop Mobile und Embedded Security, CAST e.V., Darmstadt, Germany
Photonic Side Channel Analysis for the rest of us, August 2012, CRYPTO 2012 Rump Session, Santa Barbara, CA, United States
Weaknesses in Current RSA Signature Schemes, February 2012, Telekom Innovation Laboratories at Ben-Gurion University, Beer-Sheva, Israel
Weaknesses in Current RSA Signature Schemes, December 2011, ICISC, Seoul, Korea
Side Channels and Fault Attacks, April 2011, CrossFyre, Darmstadt, Germany
Erfolgreiche Faktorisierungsangriffe gegen RSA in der Praxis, November 2010, 13. Kryptotag, Darmstadt, Germany