Hashing and cryptography

Education & skills > STEM videos > Hashing and cryptography

This short video explains what hashing is in computer science and how it enables us to preserve the integrity of our data.

This is coupled with an explanation of Public/Private Key cryptography, explaining how we securely share data around the Internet.

Added: November 2020.

Questions and answers

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Curriculum links

Data and information » Encryption » What is encryption?

Data and information » Encryption » Asymmetric encryption

What is quantum key distribution?

An introduction to Quantum Key distribution (QKD). What are quantum keys and how can we use them?