(Chilkat2-Python) Duplicate openssl pkcs12 –export –in certfile.cer –inkey certfile.key –out certfile.pfx

How to create a PKCS12 (.p12 or .pfx) from a certificate file and private key file: Demonstrates how to duplicate this OpenSSL command:

Duplicate openssl pkcs12 –export –in certfile.cer –inkey certfile.key –out certfile.pfx

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

import sys
import chilkat2

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

pkey = chilkat2.PrivateKey()

# Load the private key from the file.
success = pkey.LoadAnyFormatFile("certFile.key","")
if (success != True):
    print(pkey.LastErrorText)
    sys.exit()

cert = chilkat2.Cert()
# The LoadFromFile method auto-recognizes the format...
success = cert.LoadFromFile("certfile.cer")
if (success != True):
    print(cert.LastErrorText)
    sys.exit()

# We'll need a cert chain object to create the PKCS12, so get it
# from the cert.  

# certChain is a CkCertChain
certChain = cert.GetCertChain()
if (not cert.LastMethodSuccess):
    print(cert.LastErrorText)
    sys.exit()

# Create the PFX object, add the cert and private key, and write to a .pfx file.
pfx = chilkat2.Pfx()

# The cert(s) are automatically added in the call to AddPrivateKey
success = pfx.AddPrivateKey(pkey,certChain)
if (success != True):
    print(pfx.LastErrorText)
    sys.exit()

# Write the .pfx to a file.
password = "myPassword"
success = pfx.ToFile(password,"certfile.pfx")
if (success != True):
    print(pfx.LastErrorText)
    sys.exit()

print("Success.")