The extension are applied, when we create the root certificate. The next few sections are extensions that can be applied when signing certificates.
The section declares the information normally required in a certificate signing request. The options from the section are applied when creating certificates or certificate signing requests. The will be applied for all intermediate CA signatures, as the intermediate CA is signing server and client certificates that may come from a variety of third-parties. The will be applied for all root CA signatures, as the root CA is only being used to create intermediate CAs. Make sure you declare the directory you chose earlier (‘/root/wechris/ca’). The section contains a range of defaults. Here we tell OpenSSL to use the options from the section. You must create a configuration file for OpenSSL to use.Ĭopy the root CA configuration file from the repository to /home/wechris/ca/openssl.cnf.
Openssl ca serial#
The index.txt and serial files act as a flat file database to keep track of signed certificates. Prepare the directory structureĬreate a directory just like (/home/wechris/ca) to store all keys and certificates. It allows the root key to be kept offline and unused as much as possible, as any compromise of the root key is disastrous. The root CA is only ever used to create one or more intermediate CAs, which are trusted by the root CA to sign certificates on their behalf. Typically, the root CA does not sign server or client certificates directly. Create the Root CAĪ certificate authority (CA) is an entity that signs digital certificates. OpenSSL is a free and open-source cryptographic library that provides several command-line tools for handling digital certificates.
Posted by Christian Weiß on JOpenSSL Certificate Authority Part1įor educational and testing reasons I created my own CA.
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