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Creating a Certificate Signing Request (CSR) with OpenSSL for User Certificates (S/MIME, Document Signing)

This article describes how to create a Certificate Signing Request (CSR) using OpenSSL for user certificates used in S/MIME email encryption and document signing.

Prerequisites

  • OpenSSL installed on your system
  • Basic knowledge of command line operations
  • Access to certificate authority for submission

Creating the CSR

  1. Generate Private Key: Create a private key file
  2. Create CSR: Generate the certificate signing request
  3. Submit to CA: Send the CSR to your certificate authority
  4. Install Certificate: Install the received certificate

For detailed commands and procedures, please refer to the full documentation.