(Chilkat2-Python) Load PEM and List Certificates

Demonstrates how to load a PEM containing certificates and accesses each individual certificate.

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

import sys
import chilkat2

# Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
# by calling UnlockBundle.  It requires a Bundle unlock code.
chilkatGlob = chilkat2.Global()
success = chilkatGlob.UnlockBundle("Anything for 30-day trial.")
if (success != True):
    print(chilkatGlob.LastErrorText)
    sys.exit()

pem = chilkat2.Pem()

# Load the .p7b from a file.
success = pem.LoadPemFile("/Users/chilkat/testData/p7b/cacert_mozilla.pem")
if (success != True):
    print(pem.LastErrorText)
    sys.exit()

numCerts = pem.NumCerts
if (numCerts == 0):
    print(("Error: Expected the PEM to contain certificates."))
    sys.exit()

# Access each certificate and show the Subject CN (Common Name)
for i in range(1,(numCerts)-1):
    # cert is a CkCert
    cert = pem.GetCert(i - 1)
    print(str(i) + ": " + cert.SubjectCN)