Extract key, certificate from pkcs12

extract_info.py

def extract_cert_key(certpath=None):
    """
    Extracts private key & certificate and returns as pem string.
    params:
    certpath = Valid P12 certificate file path.
    returns:
    (certificate, privatekey)
    """
    import os
    import getpass
    import OpenSSL.crypto as crypto

    assert certpath, None
    certpath = os.path.realpath(certpath)
    paswd = getpass.getpass()

    
    pk12 = crypto.load_pkcs12(open(certpath).read(), paswd)
    return crypto.dump_certificate(crypto.FILETYPE_PEM, pk12.get_certificate()),\
           crypto.dump_privatekey(crypto.FILETYPE_PEM, pk12.get_privatekey())