Convert a p12 certificate export to raw OpenSSL pem format, including private key and certificate.

gistfile1.sh

function p12topem {
    # Convert a p12 certificate export to raw OpenSSL pem format, including 
    # private key and certificate.
    # via http://www.gridsite.org/wiki/Convert_p12
    
    openssl pkcs12 -in "$1" -nodes -out "$2"

    # Make it readable only by you:
    chmod 0400 "$2"
}