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client certificate

A certificate the device presents so the broker can check the device's identity.

In mutual TLS the client also presents a certificate and proves it holds the matching private key, so the server authenticates the client cryptographically rather than by password.

Examples

  • With require_certificate true in Mosquitto, node gh-a1 presents its own client certificate during the handshake, and use_identity_as_username true makes its certificate name its username.

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