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) |
AC9TDI10K01
Investigate how hardware and software manage, control and secure access to data in networked digital systems |
| Keywords | Encryption, Coding, Public key, Private key, https, cryptography, Cyber security |
| Organisation | Code.org |
| Copyright | Code.org Creative Commons BY-NC-ND |
