(Chilkat2-Python) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS

import sys
import chilkat2

success = False

pfx = chilkat2.Pfx()

# Load the PKCS12 from a file
success = pfx.LoadPfxFile("/someDir/my.p12","pfxFilePassword")
if (success == False):
    print(pfx.LastErrorText)
    sys.exit()

numPrivateKeys = pfx.NumPrivateKeys

privKey = chilkat2.PrivateKey()

print("Private Keys:")

i = 0
while i < numPrivateKeys :
    pfx.PrivateKeyAt(i,privKey)

    # Do something with the private key ...

    i = i + 1

cert = chilkat2.Cert()

numCerts = pfx.NumCerts

print("Certs:")
i = 0
while i < numCerts :
    pfx.CertAt(i,cert)
    print(cert.SubjectDN)

    # If the certificate has a private key (one of the private keys within the PFX)
    # then it can also be obtained via the certificate object:
    if (cert.HasPrivateKey() == True):

        print("Has private key!")

        success = cert.GetPrivateKey(privKey)
        # ...

    i = i + 1