How Your Texts Stay Secret: The 2-Key Encryption Trick! 🔑🔒

Описание: 🔓 Every secure message you send relies on one brilliant invention: Public-Key Cryptography.

This is often called *Asymmetric Encryption* because it uses two different keys:
1. *Public Key (The Mailbox):* Anyone can use this to encrypt (lock) a message for you.
2. *Private Key (The Only Key):* Only you possess this secret key, which is the only thing that can decrypt (unlock) the message.

This system, which is based on the Diffie–Hellman key exchange and hard math problems, is the foundation for HTTPS, secure banking, and messaging apps. It allows two people who have never met to securely communicate without ever sharing a single secret key!

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