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Introduction
Introduction to Asymmetric Encryption
The Problem with symmetric encryption
Symmetric encryption is great for encrypting data when both the sender and receiver are in possession of the shared symmetric key. However this form of encryption requires the key to be shared before use. This is a problem on open networks such as the internet as often you will need to communicate with websites or individuals who you don’t know. You can’t send the shared key across the network unencrypted as an eavesdropper could intercept the communication and retrieve the key.
We need a method of encryption that can provide secure communication between two parties that are unknown to each other. In this instance we need to use Asymmetric Encryption.
