Public Key Cryptography Basics

https://tryhackme.com/r/room/publickeycrypto

There is a fundamental issue with symmetric encryption, and the use of one key for both sender and receiver.

This is known as the problem. The key distribution problem stems from the fact that both the sender and the receiver need to know what key is being used. This means there has to be a safe and secure way to pass the key on.

The mathematics responsible for creating and deciphering a code.	Cipher
The encrypted data.	Ciphertext
The process of converting plaintext to ciphertext.	Encryption
Information that can be read directly by a computer or a human.	Plaintext

Keys are pieces of information that determine the output from an encryption or decryption process, and enable multiple outputs from the same cipher.