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What elements of a certificate are inspected when a certificate is verified? Check all that apply.

Question

What elements of a certificate are inspected when a certificate is verified? Check all that apply.

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Solution

When a certificate is verified, the following elements are typically inspected:

  1. Certificate Validity: The validity period of the certificate is checked to ensure it is currently valid and has not expired.

  2. Certificate Authority (CA): The certificate is checked to ensure it was issued by a trusted Certificate Authority.

  3. Revocation Status: The certificate is checked against the Certificate Revocation List (CRL) or via the Online Certificate Status Protocol (OCSP) to ensure it has not been revoked.

  4. Certificate Signature: The digital signature on the certificate is verified to ensure it was not tampered with.

  5. Certificate Usage: The certificate is checked to ensure it is being used for its intended purpose (e.g., server authentication, client authentication, code signing, etc.)

  6. Subject and Issuer: The subject (who the certificate was issued to) and the issuer (who issued the certificate) are checked.

  7. Public Key: The public key within the certificate is checked to ensure it matches the private key being used.

  8. Certificate Chain: The entire certificate chain is verified up to the root certificate.

  9. Domain Name: For SSL/TLS certificates, the domain name in the certificate is checked to ensure it matches the domain of the server presenting the certificate.

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