openssl.exe pkcs12 -in UTEC.P12 -nocerts -out privateKey.pem

openssl.exe pkcs12 -in UTEC.P12 -clcerts -nokeys -out publicCert.pem

To extract the private key in a format openssh can use:

openssl pkcs12 -in pkcs12.pfx -nocerts -nodes | openssl rsa > id_rsa
To convert the private key to a public key:

openssl rsa -in id_rsa -pubout | ssh-keygen -f /dev/stdin -i -m PKCS8
To extract the public key in a format openssh can use:

openssl pkcs12 -in pkcs12.pfx -clcerts -nokeys | openssl x509 -pubkey -noout | ssh-
