Python：使用pyOpenSSL.crypto读取pkcs12证书

# load OpenSSL.crypto
from OpenSSL import crypto

# open it, using password. Supply/read your own from stdin.
p12 = crypto.load_pkcs12(open(\"/path/to/cert.p12\", \'rb\').read(), passwd)

# get various properties of said file.
# note these are PyOpenSSL objects, not strings although you
# can convert them to PEM-encoded strings.
p12.get_certificate()     # (signed) certificate object
p12.get_privatekey()      # private key.
p12.get_ca_certificates() # ca chain.

import os
from OpenSSL import crypto

class PKCS12Manager():

    def __init__(self, p12file, passphrase):
        self.p12file = p12file
        self.unlock = passphrase
        self.webservices_dir = \'\'
        self.keyfile = \'\'
        self.certfile = \'\'

        # Get filename without extension
        ext = os.path.splitext(p12file)
        self.filebasename = os.path.basename(ext[0])

        self.createPrivateCertStore()
        self.p12topem()

    def getKey(self):
        return self.keyfile

    def getCert(self):
        return self.certfile

    def createPrivateCertStore(self):
        home = os.path.expanduser(\'~\')
        webservices_dir = os.path.join(home, \'.webservices\')
        if not os.path.exists(webservices_dir):
            os.mkdir(webservices_dir)
        os.chmod(webservices_dir, 0o700)
        self.webservices_dir = webservices_dir

    def p12topem(self):
        p12 = crypto.load_pkcs12(open(self.p12file, \'rb\').read(), bytes(self.unlock, \'utf-8\'))

        # PEM formatted private key
        key = crypto.dump_privatekey(crypto.FILETYPE_PEM, p12.get_privatekey())

        self.keyfile = os.path.join(self.webservices_dir, self.filebasename + \".key.pem\")
        open(self.keyfile, \'a\').close()
        os.chmod(self.keyfile, 0o600)
        with open(self.keyfile, \'wb\') as f:
            f.write(key)


        # PEM formatted certificate
        cert = crypto.dump_certificate(crypto.FILETYPE_PEM, p12.get_certificate())

        self.certfile = os.path.join(self.webservices_dir, self.filebasename + \".crt.pem\")
        open(self.certfile, \'a\').close()
        os.chmod(self.certfile, 0o644)
        with open(self.certfile, \'wb\') as f:
            f.write(cert)

from requests import Session
from zeep import Client
from zeep.transports import Transport

# https://github.com/mvantellingen/python-zeep/issues/824
pkcs12 = PKCS12Manager(\'cert.p12\', \'password_for_cert\')
session = Session()
session.cert = (pkcs12.getCert(), pkcs12.getKey())

transport = Transport(session=session)
client = Client(\'url_service\', transport=transport)