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How Encryption Works Explained

Symmetric turns plaintext into ciphertext with one shared key; asymmetric splits it into a public key that locks and a private key that unlocks — watch both directions flow.

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Asymmetric: Two Keys, Two Jobstwo-wayslow (relatively)millisecondsopen channelskeypair + trust modelkey exchange + signatures
Symmetric: One Key, Both Waystwo-wayinstantnoneany channelone key to guardfiles and disks at rest