(CkPython) Convert CRL PEM to XML

Loads a CRL (Certificate Revocation List) from the PEM file format and converts to XML to allow for visual examination and parsing.

Note: This example requires Chilkat v9.5.0.77 or greater.

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

import sys
import chilkat

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

# This example requires Chilkat v9.5.0.77 or greater.
pem = chilkat.CkPem()

pem.put_VerboseLogging(True)
success = pem.LoadPemFile("qa_data/crl/sampleCrl.pem","password_not_used")
if (success != True):
    print(pem.lastErrorText())
    sys.exit()

numCrls = pem.get_NumCrls()
i = 0

asn = chilkat.CkAsn()
xml = chilkat.CkXml()
while i < numCrls :

    # Get the CRL as base64 (multi-line)
    crlBase64 = pem.getEncodedItem("crl","","base64_mime",i)
    if (pem.get_LastMethodSuccess() != True):
        print(pem.lastErrorText())
        sys.exit()

    print(crlBase64)

    success = asn.LoadEncoded(crlBase64,"base64")
    if (success != True):
        print(asn.lastErrorText())
        sys.exit()

    # Convert ASN.1 to XML and load into xml and re-emit for pretty printing..
    xml.LoadXml(asn.asnToXml())
    print(xml.getXml())

    # Use this online tool to generate parsing code from CRL XML: 
    # Generate Parsing Code from XML

    print("-------------------------------------")
    i = i + 1