SECRET WRITING – CRYPTOGRAPHY



Cryptography is the art of keeping information secure by converting it into a secret code that only the intended recipient can understand. Think of it as sending a hidden message to your friend. Instead of writing it plainly, you use a secret method, such as shifting each letter by two places in the alphabet. For instance, HELLO becomes JGNNQ. Your friend, knowing the method, can easily decode it back to HELLO.
In everyday life, cryptography is used to protect things like WhatsApp messages, online banking information, and passwords. It ensures that no one else, like hackers, can access your private data. Simply put, cryptography is about using clever techniques to safeguard your information.

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