ELI5: Explain Like I'm 5

International Data Encryption Algorithm

Okay kiddo, have you ever played a secret agent game with your friends where you write a secret message and then use a secret code to make it unreadable to anyone who doesn't know the code? Well, international data encryption algorithm works kind of like that too!

When people or businesses send information across the internet or other networks, they want that information to stay private and secure. So, they use something called encryption to make the information unreadable to anyone who doesn't have the secret code to unlock it.

International data encryption algorithm (IDEA) is a special code that is really good at encrypting information. It is used all over the world to make sure that sensitive information like bank account numbers, passwords, and personal details are kept secret and safe.

IDEA works by taking the information you want to protect (like a message or a file) and mixing it up with a special code. This code is so complex (like a really tricky puzzle!) that it makes the information totally scrambled and unreadable. Only someone who has the secret key to unlock the code can read the information again.

Using IDEA is like putting your secret message in a really strong safe with a combination lock that only you and your trusted friends know. It makes sure that only the people you want to see the message can read it, and keeps it safe from anyone who might want to sneak a peek!

So, whether you're playing a secret agent game with your friends or sending important information online, IDEA can help keep your secrets safe and sound.