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