(CkPython) Get Certificate Subject Part by Name or OID

Demonstrates the GetSubjectPart method where a name or OID can be passed.

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import sys
import chilkat

cert = chilkat.CkCert()

success = cert.LoadByCommonName("myCert")
if (success == False):
    print(cert.lastErrorText())
    sys.exit()

# This example demonstrates getting the SERIALNUMBER part of the subject,
# if one such part exists in the cert's subject.
# Not too many certicates include the serial number in the Subject.
# (Chilean issued certificates for SII is one such case where the SERIALNUMBER part exists within the Subject.)
serialNum = cert.getSubjectPart("SERIALNUMBER")
if (cert.get_LastMethodSuccess() == False):
    print("No SERIALNUMBER part exists.")
    sys.exit()

print(serialNum)

# We could also get the part by the OID.
# See https://oidref.com/2.5.4.5 for a list of OID's in the 2.5.4.* range..
# The OID for SERIALNUMBER is "2.5.4.5"
serialNum = cert.getSubjectPart("2.5.4.5")
if (cert.get_LastMethodSuccess() == False):
    print("No SERIALNUMBER part exists.")
    sys.exit()

print(serialNum)