What is not a typical part of a certificate signing request (CSR)?

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A certificate signing request (CSR) is a message sent from an applicant to a certificate authority (CA) to apply for a digital certificate. It typically includes crucial information that the CA will use to create the certificate and verify the identity of the requester.

In a CSR, the organization’s name, address, and public key are considered standard components. The organization’s name identifies the entity requesting the certificate, serving as a key piece of information for the CA to validate the identity. The address might also be included for additional identification and verification purposes. The public key is essential, as it is needed to establish encrypted connections and relies on the corresponding private key, which is held securely by the organization.

On the other hand, including the organization’s phone number is not a typical requirement for a CSR. While some organizations may choose to provide extra contact details, the primary goal of the CSR is to convey essential identifiers and the public key necessary for certificate generation, thus making the phone number an uncommon inclusion. This aspect helps ensure that the CSR remains focused and contains only the necessary elements to establish trust and issue a digital certificate.