(CkPython) Load PEM and List Certificates

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

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import sys
import chilkat

# 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 = chilkat.CkGlobal()
success = chilkatGlob.UnlockBundle("Anything for 30-day trial.")
if (success != True):
    print(chilkatGlob.lastErrorText())
    sys.exit()

pem = chilkat.CkPem()

# 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.get_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())