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    OpenSSL CommandsIntermediate

    OpenSSL CSR Generation

    Create Certificate Signing Requests with OpenSSL. Generate CSRs with SANs using config files and command line.

    Interactive Demo
    LinkedInX
    CSR & Self-Signed

    OpenSSL CSR & Certificate Commands

    Create certificate signing requests and self-signed certificates

    Select Command:

    Command:

    $ openssl req -new -key private.key -out request.csr
    Step 0 of 5

    Click "Run Command" to create a CSR

    Key Insight

    CSRs are the bridge between your private key and a CA-signed certificate. Master the subject fields, SANs, and automation techniques for efficient certificate management.

    Read Full Guide

    Quick Reference

    CSR with existing key:
    openssl req -new -key key.pem -out csr.pem
    CSR + new key together:
    openssl req -new -newkey rsa:2048 -keyout key.pem -out csr.pem
    Self-signed certificate:
    openssl req -new -x509 -key key.pem -out cert.pem -days 365
    Self-signed + new key:
    openssl req -new -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem

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