Symmetric & Asymmetric Encryption

Symmetric Encryption - Private Key

 Symmetric encryption is a type of encryption where only one key (a secret key) is used to both encrypt and decrypt electronic information. The entities communicating via symmetric encryption must exchange the key so that it can be used in the decryption process.


Asymmetric Encryption - Public Key

One public key, one private key. A public key is used to encrypt which everyone can see and then the private key is unique to each user to unlock. 


Digital Signatures

Used to verify the data has come from a genuine source and no malicious files are contained.


Hashing

 An algorithm is used to convert data into a numerical file. It can only be done one way so cannot be reverse engineered so data is secured. Once a user enters data the algorithm can be used to perform the same hash on that data and then data can be compared for passwords etc. 

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