ELI5: Explain Like I'm 5

Crypt (C)

Crypt, or c, is a type of computer program that is used to keep secrets safe. Think of it like a big lock on a treasure chest. The secrets that it keeps safe are usually passwords or other important information that you don't want anyone else to know.

When you use crypt, you give it a word or phrase that you want to keep secret. Crypt then takes that word or phrase and turns it into a big jumble of letters and numbers that is nearly impossible to read or understand. This jumble is called an encrypted message.

It's kind of like when you write your friend a note in a secret code that only the two of you can understand. Except instead of just switching out letters for numbers, crypt uses some really fancy math to scramble up the message.

The cool thing about crypt is that it's really hard for someone to unscramble the message and figure out what the original word or phrase was. It's like trying to unmix a really big bowl of cookie dough that's already been baked.

So whenever you want to keep something secret, you might choose to use crypt to scramble it up and keep it safe. And if someone ever tries to look at your secret message, all they'll see is a big jumble of letters and numbers that doesn't make any sense!