@JZdziarski: PKI / PGP Primer:🔑 Public Key

🗝 Private Key

📝 Message
📝+🔑 = 🔒✉️ Encrypted

🔒✉️+🗝 = 🔓📝 Decrypted

📝+🗝 = 🔏✉️ Signed

🔏✉️ + 🔑 = 👤 Authenticated