Public and private keys: How is your personal information kept secret on the internet?

A great deal of private data is exchanged over the internet. This video explains how cryptography allows for the secure transfer of data online. It explains how encryption works and what keys are. Today information is encrypted using 256 bit keys. This keeps information safe because it means there are way too many possible key combinations for hackers' computers to try. Two types of keys are described and explained clearly: public keys and private keys.

Additional details

Year band(s) 9-10
Content type Educational video
Format Video
Core and overarching concepts Privacy and security
Australian Curriculum Digital Technologies code(s)

Investigate the role of hardware and software in managing, controlling and securing the movement of and access to data in networked digital systems

Keywords Encryption, Coding, Public key, Private key, https, cryptography, Cyber security

Copyright Creative Commons BY-NC-ND