Keyfactor Differences Between Symmetric and Asymmetric Encryption iCrowd Newswire 25 May 2021, 15:37 GMT+10 Encryption has been useful throughout history. Romans often used basic encryption technology in war to deliver messages to each other. It is one of the most foundational technologies of the Internet. Without encryption, the Internet would not be where it is today in terms of security. The entire security infrastructure of the Internet is based on good encryption algorithms. When it comes to encryption, there are two main types that you need to know about. Encryption is a very difficult and complicated topic to understand, but it mainly boils down to using mathematical formulas to rearrange information so others cannot know anything about that information. It is a very difficult process, as the algorithm makes a significant difference in how easy it is for people to decipher what you are trying to keep hidden.