Extract certificate and key from .pfx file

Mon, 10 Jul 2023 00:00:00 +0000

Extract the certificate from the .pfx file:

openssl pkcs12 -in <DOT_PFX_FILE> -clcerts -nokeys -chain -out certificate.crt

Extract the private key in .pem format without encryption from the .pfx file:

openssl pkcs12 -in <DOT_PFX_FILE> -nocerts -nodes -out private_key.pem

Convert the .pem into RSA key format:

openssl rsa -in private_key.pem -out id_rsa

If you are using OpenSSL 3 it will default it’s output to be in PKCS8 format, that contains encapsulation boundaries like this:

Key on Humberto Rocha