What are X509 certificates and how do they enable trust

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These are X.509 certificates that the root CA signs for certificate providers so they can issue certificates. These intermediate certificate issuers are any party in between the beginning (root certificate) and end (end-entity) of a certificate chain.

These are the X.509 certificates that assure the identity of a party, such as a website. Before accessing a website, a browser will check that this certificate’s chain leads back to a trusted CA. End-entity certificates are also known as leaf certificates, as nothing further can be grown from them.The second element of the CA’s role is to manage all issued certificates and ensure trust by applying rules to remove non-conforming or compromised certificates. This leads to the creation of X.509 certificate revocation lists. Certificates that their CA has disavowed are added to public lists to warn others that a CA no longer backs this identity.

X.509 certificates follow an accepted protocol to enable trusted data exchanges between two parties underpinned by a certificate authority. Building an iPKI architecture to secure your IoT networks relies on secure identity provisioning for your devices using X.509 certificates.

 

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