Inside a Feistel Cipher
A hands-on cryptography project implementing a simple Feistel cipher in C, exploring how classic block ciphers transform plaintext through rounds and symmetry.
Associate Researcher in Cybersecurity & Post-Quantum Cryptography
Pasiphae Laboratory • Industrial Systems Institute / Athena Research Center
Nikolaos Bermparis works as an Associate Researcher in cybersecurity and post-quantum cryptography with a focus on secure systems, quantum-resilient architectures and next-generation cryptographic transition. His work spans applied security research, post-quantum system design and emerging cryptographic directions relevant to resilient digital infrastructure. He has also participated in research and innovation activities connected to Horizon-funded projects, gaining experience in collaborative European research environments.
