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certificate

A signed document binding a name to a public key, so others can check that key really belongs to that name.

An X.509 certificate binds a subject name to a public key, carries a validity period, and is signed by an issuing certificate authority whose own certificate can be checked in turn up to a trusted root.

Examples

  • The broker's certificate says it is broker.example.net, gives a validity period and is signed by a CA, so gh-a1 can check that before sending its password.

See also

certificate authority TLS client certificate
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