What is Encryption? Codes, Keys, and Hashes

Technology Pill

What do you know about cryptography? Have you ever wanted to get a better understanding of some of the maths behind encryption? This week we speak to Ed, a Senior Technologist at PI, about some of the history and basics of encryption. Find out more about encryption:

- Computerphile on youtube (https://www.youtube.com/@Computerphile) is a computer science professor with a range of useful and accessible videos on encryption

- Cloudflare have a helpful learning centre including this article on how encryption works and why cloudflare use Lava lamps to generate keys: https://www.cloudflare.com/en-gb/learning/ssl/lava-lamp-encryption/

- This is a helpful article on Diffie-Hellman including a diagram of the colours demonstration, which Ed discusses during the podcast: https://www.comparitech.com/blog/information-security/diffie-hellman-key-exchange/

- This article is great for learning more about hashing: https://auth0.com/blog/hashing-in-action-understanding-bcrypt/

- And if you're interested here is the wikipedia page on the Skytale sticks Ed talks about (https://en.wikipedia.org/wiki/Scytale)

Learn more about PI's work on encryption:

- PI's main encryption learn page: https://privacyinternational.org/learn/encryption

- A PI report on the importance of End to End Encryption (E2EE): https://privacyinternational.org/report/4949/securing-privacy-end-end-encryption