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The OpenSSL Conference is the global meeting place for the people who build, deploy, govern, and rely on secure digital infrastructure. It brings together developers, security engineers, researchers, policymakers, enterprises, legal and compliance professionals, and community contributors, all united by a shared commitment to stronger open-source security.
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Thursday, October 15
 

10:30 CEST

Going beyond constant-time security in open-source cryptographic libraries
Thursday October 15, 2026 10:30 - 11:10 CEST
A systematic software-engineering approach to integrating physical-attack (power/EM, fault-injection) defenses beyond baseline constant-time.
Speakers
LC

Lukasz Chmielewski

Assistant Professor, Masaryk University
Łukasz Chmielewski holds the position of Assistant Professor at Masaryk University in Brno, Czech Republic. His primary area of expertise revolves around side-channel analysis (SCA) of public-key cryptosystems. In general, he is also interested in hardware attacks, including fault... Read More →
JJ

Jan Janasek

Master's Student, Masaryk University
Jan Janasek is a Master's student at Masaryk University with a strong interest in hardware security, currently exploring side-channel analysis and fault injection, and participating in academic research to learn more about protecting embedded systems from physical vulnerabilities... Read More →
Thursday October 15, 2026 10:30 - 11:10 CEST
Room 2
  Technical, Talk

10:30 CEST

Tanja Lange — Session Title Coming Soon
Thursday October 15, 2026 10:30 - 11:10 CEST
Session details are being finalized with the speaker and will be published here as soon as they are available. This session will be presented remotely.
Speakers
avatar for Tanja Lange

Tanja Lange

Professor, Department of Mathematics and Computer Science, Eindhoven University of Technology
Prof Dr. Tanja Lange joined Eindhoven University of Technology (NL) as full professor in 2006. Her work bridges the gaps between algebraic geometry, theoretical cryptography, and real-world information security. She is an expert on curve-based cryptography and post-quantum cryptography... Read More →
Thursday October 15, 2026 10:30 - 11:10 CEST
Room 1
  Technical, Talk

11:15 CEST

DTLS 1.3... In the Kernel! Really?
Thursday October 15, 2026 11:15 - 11:55 CEST
The bits and bytes of DTLS 1.3 and how and why it can be leveraged directly from the kernel rather than userland.
Speakers
AH

Anthony Hu

Senior Software Developer, wolfSSL Inc.
Anthony Hu has been working in the consumer electronics industry for 25 years and has been bringing post-quantum algorithms to various network protocols for 10 years. He has been working with wolfSSL for 5 years. Previous to his professional career, Anthony graduated from the University... Read More →
Thursday October 15, 2026 11:15 - 11:55 CEST
Room 4
  Technical, Talk

13:20 CEST

Practical Viability of NIST Post-Quantum Algorithms on Constrained ARM Devices: A Timing and Energy Study
Thursday October 15, 2026 13:20 - 14:00 CEST
Empirical timing/energy benchmarks of ML-KEM, ML-DSA and SLH-DSA on constrained 32-bit ARM IoT devices.
Speakers
OG

Olivier Gillot

MSc Cybersecurity Student, Edinburgh Napier University
I am completing an MSc in Cybersecurity at Edinburgh Napier University, supervised by Prof. Bill Buchanan OBE. My dissertation benchmarks NIST-standardised post-quantum cryptography on constrained IoT hardware, using OpenSSL and wolfSSL across Linux-based single-board computers and... Read More →
Thursday October 15, 2026 13:20 - 14:00 CEST
Room 3
  Technical, Talk

13:20 CEST

The JOSTLE project from idea to first release.
Thursday October 15, 2026 13:20 - 14:00 CEST
JOSTLE is a Java Cryptography Architecture provider bringing OpenSSL crypto to the JVM (Java 8-25).
Speakers
MW

Megan Woods

Senior Software Engineer, Legion of the Bouncy Castle Inc and Key Factor Inc.
For time Bouncy Castle Maintainer for over a decade and part time for the life of the project. Senior Software Engineer at KeyFactor for the Bouncy Castle Team
Thursday October 15, 2026 13:20 - 14:00 CEST
Room 4
  Technical, Talk

14:00 CEST

AI assisted PQC integration in Bouncy Castle
Thursday October 15, 2026 14:00 - 14:30 CEST
Where AI assistance actually accelerated PQC integration in Bouncy Castle, where it fails, and the verification needed to make it trustworthy.
Speakers
RB

Roy Basmacier

Software Engineer, Keyfactor
Roy Basmacier is a software engineer working on cryptographic infrastructure and post-quantum algorithm integration in Bouncy Castle. He's been a core member of the Bouncy Castle team since 2021. His recent work has focused on implementing and validating PQC algorithms within the... Read More →
Thursday October 15, 2026 14:00 - 14:30 CEST
Room 4
  Technical, Talk

14:00 CEST

Composites Aren’t Optional: Designing PKI for the Post-Quantum Transition and Beyond
Thursday October 15, 2026 14:00 - 14:30 CEST
The PQC transition will last years, requiring PKI to straddle classical and quantum-safe worlds. Composite algorithms as a first-class PKI design pattern.
Speakers
JG

John Gray

Senior Staff Software Developer, Entrust
John Gray is a Senior Staff Software Developer at Entrust, specializing in PKI architecture, cryptographic protocol implementation, and post-quantum migration strategies. He facilitates the PQC Interoperability project at the IETF and has contributed to post-quantum cryptography standards... Read More →
Thursday October 15, 2026 14:00 - 14:30 CEST
Room 2
  Technical, Talk

14:00 CEST

Performance: The little sibling of cryptography
Thursday October 15, 2026 14:00 - 14:30 CEST
Correct code is secure code, but users want fast too. Over the last year OpenSSL made an effort on performance; this talk covers the improvements.
Speakers
BB

Bob Beck

Software Engineer, OpenSSL Corporation
Bob was born in the USA, with his parents escaping to Canada in a balloon during the Nixon Regime. He gained much unix experience at an early age and a fasicnation with fiddling with network stacks led tohis finding of a used SparcStation in the early 90's, When NetBSD did not run... Read More →
NH

Neil Horman

Software Engineer, OpenSSL Corporation
I am an open source veteran of the last 25 years, working initially on the network stack in the linux kernel, and some cryptographic primitives, more recently working witht he OpenSSL corporation, focused on my favorite thing, but fixing and performance.
Thursday October 15, 2026 14:00 - 14:30 CEST
Room 1
  Technical, Talk

14:30 CEST

Decoupling the OpenSSL FIPS Provider for Agility and Maintainability
Thursday October 15, 2026 14:30 - 15:00 CEST
Trade-offs of decoupling the OpenSSL FIPS provider from the rest of the library on Yocto-based enterprise networking platforms.
Speakers
WB

William Bellingrath

Senior Systems/Software Engineer, HPE
William has been part of the team that handles the core security libraries and applications across the Juniper Networks (now part of HPE) network portfolio for the past 8 years. He leads the major OpenSSL upgrades and maintains FIPS compliance across the company's networking operating... Read More →
Thursday October 15, 2026 14:30 - 15:00 CEST
Room 3
  Technical, Talk

14:30 CEST

The Cost of Stunt Cryptography
Thursday October 15, 2026 14:30 - 15:00 CEST
Exotic named cryptographic attacks carry a real governance cost for maintainers who must respond to often-nonexistent threats.
Speakers
avatar for Peter Gutmann

Peter Gutmann

Founder and Maintainer, cryptlib
Peter Gutmann is a researcher in the Department of Computer Science at the University of Auckland working on design and analysis of cryptographic security architectures, security usability, and embedded systems security. He helped write the popular PGP encryption package, has authored... Read More →
Thursday October 15, 2026 14:30 - 15:00 CEST
Room 1
  Technical, Talk

15:30 CEST

Hardware-enforced cryptographic contexts that RISC-V software can use but never read.
Thursday October 15, 2026 15:30 - 16:10 CEST
The RISC-V Atomic Cryptography Extension keeps plaintext keys out of process memory via hardware-enforced Cryptographic Contexts.
Speakers
RK

Radim Krčmář

Engineer, Qualcomm, Inc.
Radim Krčmář is an engineer at Qualcomm, a contributor to the RISC-V Atomic Cryptography Extension (ACE) and to other RISC-V task groups focused on architectural isolation. Before turning to hardware-software interfaces, he was most visible in the Linux kernel community as a co-maintainer... Read More →
Thursday October 15, 2026 15:30 - 16:10 CEST
Room 3
  Technical, Talk

15:30 CEST

TLS 1.3, session resumption, 0-RTT early data, external PSKs and all that...
Thursday October 15, 2026 15:30 - 16:10 CEST
TLS 1.3 overloaded the PSK mechanism with resumption, 0-RTT and ECH overlap. A complex feature with non-obvious limits, addressed by RFC9258 (OpenSSL 4.1).
Speakers
VD

Viktor Dukhovni

Staff Engineer, OpenSSL Corporation
OpenSSL staff engineer since May 2024, with focus on PQC and X.509.Unix system programmer since the mid 1980's with a focus on network security.
Long-term contributor to Postfix and maintainer of its TLS features.
Author of:RFC7435 (opportunistic security),RFC7161 (DANE updates)RFC7672 (DANE for SMTP),RFC9276 (DNSSEC NSEC3 BCP).Contributor to Heimdal and MIT Kerberos, OpenSSL, Haskell GHC compiler and libraries... Read More →
Thursday October 15, 2026 15:30 - 16:10 CEST
Room 2
  Technical, Talk

16:15 CEST

Quantum-Resilient Confidential Computing: Securing Data in Use for the AI Era
Thursday October 15, 2026 16:15 - 16:45 CEST
Integrating PQC into confidential computing (TEEs) using OpenSSL's evolving PQC to protect data-in-use against quantum threats.
Speakers
PY

Paul Yang

Director, Lenovo
OpenSSL Committer since 2018 and a member of the OpenSSL Corporation BAC. Currently serving as Director of Cloud Security at Lenovo, specializing in confidential computing and privacy-preserving technologies.
Thursday October 15, 2026 16:15 - 16:45 CEST
Room 4
  Technical, Talk

16:15 CEST

What's behind the MASQUE
Thursday October 15, 2026 16:15 - 16:55 CEST
MASQUE builds tunnelling on HTTP/3 over QUIC, reusing web infrastructure and auth models unlike IPsec/WireGuard.
Speakers
YR

Yaroslav Rosomakho

Chief Scientist, Zscaler
Yaroslav Rosomakho is Chief Scientist at Zscaler, where he leads research and innovation in secure networking, infrastructure resiliency, protocol design, and post-quantum cryptography. He is an IAB member and an active contributor to the IETF, currently chairing the HPKE and SEAT... Read More →
Thursday October 15, 2026 16:15 - 16:55 CEST
Room 1
  Technical, Talk

17:00 CEST

From 1.1.1 to 3.5: Modernizing OpenSSL for Enterprise Networking, FIPS 140-3, and Crypto Agility
Thursday October 15, 2026 17:00 - 17:30 CEST
Upgrading Junos from OpenSSL 1.1.1 to 3.5 across FreeBSD/Linux and multiple architectures under FIPS 140-3 and Common Criteria.
Speakers
WB

William Bellingrath

Senior Systems/Software Engineer, HPE
William has been part of the team that handles the core security libraries and applications across the Juniper Networks (now part of HPE) network portfolio for the past 8 years. He leads the major OpenSSL upgrades and maintains FIPS compliance across the company's networking operating... Read More →
Thursday October 15, 2026 17:00 - 17:30 CEST
Room 3
  Technical, Talk

17:00 CEST

QUIC adventures
Thursday October 15, 2026 17:00 - 17:30 CEST
QUIC client (3.2) and server (3.5) in OpenSSL: missing RFC9000 pieces, known limits, a Hello-QUIC across three libraries.
Speakers
AN

Alexandr Nedvedicky

developer, OpenSSL Corporation
software developer in OpenSSL corporation
Thursday October 15, 2026 17:00 - 17:30 CEST
Room 4
  Technical, Talk
 
OpenSSL Conference 2026
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