SecuritySecurity
Conference50min
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Cryptography Demystified: All you need to know in 50 Minutes

This talk demystifies core cryptography concepts—encryption, hashing, digital signatures, key exchange, and randomness—highlighting what crypto protects, common developer mistakes, and how to avoid them. Attendees gain practical understanding and confidence to use cryptography correctly through clear explanations and real-world examples, no advanced background required.

Marouane Gazanayi
Marouane GazanayiNeo4j

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Thursday, November 13, 09:30-10:20
Dhalia
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Many developers use cryptography without fully understanding how it works — and that’s where things often go wrong. Misapplied crypto can quietly weaken the security of an entire system.
In this talk, we’ll break down the core building blocks of modern cryptography in a way that’s practical and easy to grasp — no PhD required. You’ll learn:
  • What cryptography actually protects (and what it doesn’t)
  • The basics of symmetric vs. asymmetric encryption
  • How hashing, digital signatures, and key exchange work
  • Why randomness and entropy matter so much
  • Common developer mistakes — and how to avoid them
Through clear visuals and real-world examples, you’ll leave with a solid mental model of how cryptography works — and the confidence to apply it correctly in your own projects.
encryption
hashing
cryptography
signatures
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Marouane Gazanayi

Marouane Gazanayi

Neo4j

Morocco

Marouane is a passionate and curious developer with a strong drive for continuous learning. He regularly engages in tech communities — both as an attendee and organizer — to exchange ideas and stay at the forefront of emerging technologies.
He thrives in collaborative settings, where he enjoys working with skilled peers to explore new approaches and bring innovative solutions to life. Marouane is always looking for ways to improve the products he builds, with a focus on delivering real value.
Grounded in pragmatism and a problem-solving mindset, he is a strong advocate for software craftsmanship. He emphasizes building clean, reliable, and maintainable software that stands the test of time.

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