Achtung:

Sie haben Javascript deaktiviert!
Sie haben versucht eine Funktion zu nutzen, die nur mit Javascript möglich ist. Um sämtliche Funktionalitäten unserer Internetseite zu nutzen, aktivieren Sie bitte Javascript in Ihrem Browser.

Studierende in den Seminarräumen des O-Gebäudes, Foto: Universität Paderborn, Fotografin: Judith Kraft Show image information

Studierende in den Seminarräumen des O-Gebäudes, Foto: Universität Paderborn, Fotografin: Judith Kraft

Conference papers


Open list in Research Information System

Streaming-Based Verification of XML Signatures in SOAP Messages

J. Somorovsky, M. Jensen, J. Schwenk, in: 2010 6th World Congress on Services, 2010


On the effectiveness of XML Schema validation for countering XML Signature Wrapping attacks

M. Jensen, C. Meyer, J. Somorovsky, J. Schwenk, in: 2011 1st International Workshop on Securing Services on the Cloud (IWSSC), 2011


How to break XML encryption

T. Jager, J. Somorovsky, in: Proceedings of the 18th ACM conference on Computer and communications security - CCS '11, 2011


Sec2: Ein mobiles Nutzer-kontrolliertes Sicherheitskonzept für Cloud-Storage

C. Meyer, J. Somorovsky, B. Driessen, J. Schwenk, T. Tran, C. Wietfeld, 2011


All your clouds are belong to us: security analysis of cloud management interfaces

J. Somorovsky, M. Heiderich, M. Jensen, J. Schwenk, N. Gruschka, L. Lo Iacono, in: Proceedings of the 3rd ACM workshop on Cloud computing security workshop - CCSW '11, 2011


On Breaking SAML: Be Whoever You Want to Be

J. Somorovsky, A. Mayer, J. Schwenk, M. Kampmann, M. Jensen, in: Presented as part of the 21st {USENIX} Security Symposium ({USENIX} Security 12), {USENIX}, 2012, pp. 397-412



Sec2: Secure Mobile Solution for Distributed Public Cloud Storages

J. Somorovsky, C. Meyer, T. Tran, M. Sbeiti, J. Schwenk, C. Wietfeld, 2012


One Bad Apple: Backwards Compatibility Attacks on State-of-the-Art Cryptography

T. Jager, K.G. Paterson, J. Somorovsky, in: 20th Annual Network and Distributed System Security Symposium, NDSS 2013, San Diego, California, USA, February 24-27, 2013, 2013


A New Approach towards DoS Penetration Testing on Web Services

A. Falkenberg, C. Mainka, J. Somorovsky, J. Schwenk, in: 2013 IEEE 20th International Conference on Web Services, 2013


Revisiting SSL/TLS Implementations: New Bleichenbacher Side Channels and Attacks

C. Meyer, J. Somorovsky, E. Weiss, J. Schwenk, S. Schinzel, E. Tews, in: 23rd {USENIX} Security Symposium ({USENIX} Security 14), {USENIX} Association, 2014, pp. 733-748


On the Security of TLS 1.3 and QUIC Against Weaknesses in PKCS#1 v1.5 Encryption

T. Jager, J. Schwenk, J. Somorovsky, in: Proceedings of the 22nd ACM SIGSAC Conference on Computer and Communications Security - CCS '15, 2015


How to Break XML Encryption -- Automatically

D. Kupser, C. Mainka, J. Schwenk, J. Somorovsky, in: 9th {USENIX} Workshop on Offensive Technologies ({WOOT} 15), {USENIX} Association, 2015


Not so Smart: On Smart TV Apps

M. Niemietz, J. Somorovsky, C. Mainka, J. Schwenk, in: International Workshop on Secure Internet of Things (SIoT), 2015


Nonce-Disrespecting Adversaries: Practical Forgery Attacks on GCM in TLS

H. Böck, A. Zauner, S. Devlin, J. Somorovsky, P. Jovanovic, in: 10th {USENIX} Workshop on Offensive Technologies ({WOOT} 16), {USENIX} Association, 2016


DROWN: Breaking TLS Using SSLv2

N. Aviram, S. Schinzel, J. Somorovsky, N. Heninger, M. Dankel, J. Steube, L. Valenta, D. Adrian, J.A. Halderman, V. Dukhovni, E. Käsper, S. Cohney, S. Engels, C. Paar, Y. Shavitt, in: 25th {USENIX} Security Symposium ({USENIX} Security 16), {USENIX} Association, 2016, pp. 689-706


Systematic Fuzzing and Testing of TLS Libraries

J. Somorovsky, in: Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security - CCS'16, 2016


SoK: Exploiting Network Printers

J. Muller, V. Mladenov, J. Somorovsky, J. Schwenk, in: 2017 IEEE Symposium on Security and Privacy (SP), 2017


Breaking and Fixing Gridcoin

M. Grothe, T. Niemann, J. Somorovsky, J. Schwenk, in: 11th {USENIX} Workshop on Offensive Technologies ({WOOT} 17), {USENIX} Association, 2017


Attacking Deterministic Signature Schemes Using Fault Attacks

D. Poddebniak, J. Somorovsky, S. Schinzel, M. Lochter, P. Rosler, in: 2018 IEEE European Symposium on Security and Privacy (EuroS&P), 2018


Return Of Bleichenbacher\textquoterights Oracle Threat (ROBOT)

H. Böck, J. Somorovsky, C. Young, in: 27th {USENIX} Security Symposium ({USENIX} Security 18), {USENIX} Association, 2018, pp. 817-849


On The (In-)Security Of JavaScript Object Signing And Encryption

D. Detering, J. Somorovsky, C. Mainka, V. Mladenov, J. Schwenk, in: Proceedings of the 1st Reversing and Offensive-oriented Trends Symposium on - ROOTS, 2018


Security Analysis of eIDAS -- The Cross-Country Authentication Scheme in Europe

N. Engelbertz, N. Erinola, D. Herring, J. Somorovsky, V. Mladenov, J. Schwenk, in: 12th {USENIX} Workshop on Offensive Technologies ({WOOT} 18), {USENIX} Association, 2018


Prime and Prejudice: Primality Testing Under Adversarial Conditions

M.R. Albrecht, J. Massimo, K.G. Paterson, J. Somorovsky, in: Proceedings of the 2018 ACM SIGSAC Conference on Computer and Communications Security, 2018


Efail: Breaking S/MIME and OpenPGP Email Encryption using Exfiltration Channels

D. Poddebniak, C. Dresen, J. Müller, F. Ising, S. Schinzel, S. Friedberger, J. Somorovsky, J. Schwenk, in: 27th {USENIX} Security Symposium ({USENIX} Security 18), {USENIX} Association, 2018, pp. 549-566


"Johnny, you are fired!" -- Spoofing OpenPGP and S/MIME Signatures in Emails

J. Müller, M. Brinkmann, D. Poddebniak, H. Böck, S. Schinzel, J. Somorovsky, J. Schwenk, in: 28th {USENIX} Security Symposium ({USENIX} Security 19), {USENIX} Association, 2019, pp. 1011-1028


Security Analysis of XAdES Validation in the CEF Digital Signature Services (DSS)

N. Engelbertz, V. Mladenov, J. Somorovsky, D. Herring, N. Erinola, J. Schwenk, in: Open Identity Summit 2019, Gesellschaft für Informatik, Bonn, 2019, pp. 95-106


Scalable Scanning and Automatic Classification of TLS Padding Oracle Vulnerabilities

R. Merget, J. Somorovsky, N. Aviram, C. Young, J. Fliegenschmidt, J. Schwenk, Y. Shavitt, in: 28th {USENIX} Security Symposium ({USENIX} Security 19), {USENIX} Association, 2019, pp. 1029-1046


Open list in Research Information System

The University for the Information Society