<ul><li>SSH keys are a pair of cryptographic keys - a public key and a private key.</li><li>The different types of SSH keys are RSA, ECDSA, and Ed25519.</li><li>RSA keys are widely accepted and supported, ECDSA keys are more efficient and have smaller key sizes, and Ed25519 keys are highly secure.</li><li>RSA keys are recommended for general purposes, ECDSA and Ed25519 keys are suitable for resource-constrained devices, and Ed25519 keys are recommended for high-security environments.</li></ul>

Understanding the different types of SSH Keys

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