How does encryption work?

Indeed, encryption transforms readable information, often referred to as plaintext, into an unreadable form known as ciphertext. This is achieved through a process called encryption, which uses a specific algorithm and a key. The key acts like a secret code that determines how the plaintext is scrambled. When the recipient wishes to read the message, they use another key, often the same or a related one, to reverse the process in what is known as decryption. This ensures that only those with the correct key can access the original message. Modern encryption methods, such as RSA and AES, are widely used for secure communications online.