(Chilkat2-Python) Iterate Keys and Certs in PEM

Demonstrates how to access each of the private keys and certs contained within a PEM.

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

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

pem = chilkat2.Pem()

# Load the PEM from a file.
# If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
password = "myPassword"
success = pem.LoadPemFile("../myPemFiles/myPem.pem",password)
if (success == False):
    print(pem.LastErrorText)
    sys.exit()

# Note: If the app already has the PEM pre-loaded in a string variable, then load it 
# by calling LoadPem instead.  
pemContent = "... the PEM contents ..."
success = pem.LoadPem(pemContent,password)
# Check for success as before..

# Iterate over the private keys.
numPrivateKeys = pem.NumPrivateKeys
i = 0

privKey = chilkat2.PrivateKey()
while i < numPrivateKeys :
    pem.PrivateKeyAt(i,privKey)
    print("Private Key " + str(i) + " is " + str(privKey.BitLength) + " in length")
    i = i + 1

# Iterate over the certificates.
cert = chilkat2.Cert()
numCerts = pem.NumCerts
i = 0
while i < numCerts :
    pem.CertAt(i,cert)
    print("Certificate " + str(i) + " : " + cert.SubjectDN)
    i = i + 1