pkcs12 -in 163188.pfx -nocerts -out keynew.pem
pkcs12 -in 0163188.pfx -clcerts -nokeys -out pcert.pem
pkcs12 -in 0163188.pfx -cacerts -nokeys -chain -out cacert.pem
openssl rsa -in key.pem -out keynew.pem

ibm.com/docs/en/arl/9.7?topic=certification-extracting-certificate-keys-from-pfx-file
portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000LMiYCAW