What is CSR (Certificate Signing Request) ?
A digital certificate contains identifiable
information, such as a user’s name, company, or department and a device’s
Internet Protocol (IP) address or serial number. Digital certificates contain a
copy of a public key from the certificate holder, which needs to be matched to
a corresponding private key to verify it is real.
Digital certificates are provided to Individuals, organizations, and websites. To do so, one must provide the information and a public key through a CSR (certificate signing request). This information is validated by a publicly trusted CA, which signs it with a key that provides a chain of trust to the certificate.
CSR (Certificate Signing Request) is the message, which is sent to the CA in order to get a digital certificate created. A CSR is often generated on the same server on which the certificate is to be installed. Before creating a CSR, the applicant must first generate a public-private key pair.
Writer: Haimonty Roy
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