Openssl – Usefull commands

Published on Author gryzliLeave a comment

Usefull commands for generating SSL Keys, CSR’s and certificates using Openssl tool.

 

Working with SSL Private Keys

 

Generate unencrypted private key without password

 

Generate(BATCH) encrypted private key with password  from password file

 

Working with SSL CSR’s [.csr]  (Certificate Signing Requests)

Creating CSR.conf for CSR generation automation

Creating your own CSR config, allows you to predefine default values, field constraints and hints, which will be used later for CSR generation.

Also by having predefined default values, you can batch create your CSR with appropriate values

# vim csr.conf

asdasdad

Generate new CSR by using already existing key

 

Read existing CSR file

 

Working with SSL Certificates [.crt]

Generate SSL Certificate from existing CSR and Key

 Check if existing SSL certificate matches existing Key file

 

 

Automation of different SSL related tasks

Batch creation of SSL Key and Certificate

This is a one-liner for creation of self-signed SSL key and SSL Certificate:

 

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