Understanding the Foundations of Digital Security.
Cryptography is fundamental to how modern digital systems protect information, establish trust and communicate securely.
From digital signatures and secure communication to decentralised systems and quantum-resistant technologies, its applications continue to evolve.
OCCSSG brings together people interested in understanding these foundations and exploring what comes next.
Learn. Explore. Build.
Learn
Understand the mathematics, principles and concepts behind cryptography and secure systems.
Explore
Discuss emerging research, examine new technologies and exchange ideas with others in the field.
Build
Put knowledge into practice through implementations, experiments and collaborative projects.
Exploring the Science of Security.
Applied Cryptography
The principles and applications of cryptographic techniques.
Elliptic Curve Cryptography
Understanding elliptic curves and their role in modern cryptographic systems.
Zero-Knowledge Proofs
Exploring privacy-preserving proofs and their applications.
Post-Quantum Cryptography
Studying cryptographic approaches designed for the quantum computing era.
Secure Protocols & Systems
Understanding the protocols and mechanisms that protect digital infrastructure.
Decentralised Identity & Blockchain Security
Exploring cryptographic foundations behind decentralised systems and digital identity.
Knowledge Grows Through Collaboration.
We create opportunities for people to learn, exchange ideas and explore cryptography together.
Explore SessionsTechnical Sessions
Focused discussions on cryptographic concepts and secure systems.
Workshops
Practical learning through demonstrations and implementation.
Research Discussions
Open conversations around emerging ideas, developments and challenges.
Open-Source Collaboration
Opportunities to learn, experiment and contribute together.
Learn From the Community.
Explore technical sessions covering cryptographic foundations, implementations and emerging security technologies.
Discover topics, learn from practitioners and revisit concepts through our session archive.
ECDSA (Elliptic Curve Digital Signature Algorithm) : Session 7
Digital Signatures Using Elliptic Curve Cryptography.
Anadi Kapoor
Sep 19, 2026 · 6:15 PM
ECC (Elliptic Curve Cryptography) : Session 6
Elliptic Curve Mathematics and Its Advantages Over Traditional Public-Key Systems.
Vikrant Singh
Aug 12, 2026 · 6:15 PM
Implementation Session — Securing Frontend & Backend with Diffie-Hellman : Session 5
Hands-On Implementation of Diffie-Hellman Key Exchange in a Client-Server Architecture.
Kalika Prasad Mishra
Aug 5, 2026 · 6:15 PM
Be Part of What Builds a More Secure Future.
Whether you are a student, researcher, developer or security professional, there is always more to understand and explore.
Join a community built around curiosity, knowledge and cryptography.
Join OCCSSG