This new password will protect your.key file. Now let’s extract the certificate: openssl pkcs12 -in yourfile.pfx -clcerts -nokeys -out certificate.crt Just press enter and your certificate appears. Now as I mentioned in the intro of this article you sometimes need to have an unencrypted.key file to. Apr 12, 2020 With openssl self signed certificate you can generate private key with and without passphrase. If you use any type of encryption while creating private key then you will have to provide passphrase every time you try to access private key. The conversion process will be accomplished through the use of OpenSSL, a free tool available for Linux and Windows platforms. Before entering the console commands of OpenSSL we recommend taking a look to our overview of X.509 standard and most popular SSL Certificates file formats – CER, CRT, PEM, DER, P7B, PFX, P12 and so on. Installing OpenSSL.
This guide will show you how to convert a .crt certificate file and associated private key, and convert it to a .pfx file using OpenSSL. This can be useful if you need to take a certificate file, and load it onto a Windows server for example.
A PFX file is a way of storing private keys, and certificates in a single encrypted file. It is commonly used to import and export certificates and keys on a Windows PC.
In the example below, the following files will be used:
domain.name.crt – this is the public certificate file.
domain.name.key – This is the private encryption key for the above certificate.
domain.name.pfx – This will be the PFX file outputted from OpenSSL.
Converting the crt certificate and private key to a PFX file
This will create a pfx output file called “domain.name.pfx”.
You will be asked for the pass-phrase for the private key if needed, and also to set a pass-phrase for the newly created .pfx file too.
You can now load this .pfx file onto a Windows machine, or wherever needed.
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