What is X.509 standard and certificate?
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X.509 is a standard used for public-key certificates or digital documents. An assigned cryptographic key pair is paired with a user, organization, website, or device.
X.509 certificate is a?digital certificate?that uses the?X.509 Public Key Infrastructure (PKI)?standard to verify the ownership of a public key. The certificate can be used for?asymmetric or symmetric encryption, which can belong to a user, website, device, or an organization. An X.509 certificate contains information about the certificate’s owner and about the certificate itself. Some of the data includes: