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CkPython Requires Chilkat v11.0.0+

Use a Custom Set of Trusted Root Certificates

See more Certificates Examples

Demonstrates how to build a set of trusted root certificates to be used globally by all Chilkat classes.

Chilkat CkPython Downloads

CkPython
import sys
import chilkat

success = False

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

trustedRoots = chilkat.CkTrustedRoots()

#   Indicate that we will NOT trust any pre-installed certificates on the system.
trustedRoots.put_TrustSystemCaRoots(False)

#  Thawte is a certificate authority that provides a .zip download of their
#  root CA certificates:  https://www.thawte.com/roots/index.html
#  The direct download link is: https://www.verisign.com/support/thawte-roots.zip
#  Note: The above URLs are valid at the time of writing this example (29-May-2015).

#  Assuming the .zip has already been downloaded, open it and load each .pem file into
#  our trusted roots object.
zip = chilkat.CkZip()

#  Open a .zip containing PEM files, among other things..
success = zip.OpenZip("qa_data/certs/thawte-roots.zip")
if (success == False):
    print(zip.lastErrorText())
    sys.exit()

entry = chilkat.CkZipEntry()

cert = chilkat.CkCert()

pattern = "*.pem"
bHasMoreEntries = zip.EntryMatching(pattern,entry)
while bHasMoreEntries == True :

    print("Entry: " + entry.fileName())

    #  Get the PEM of the CA cert:
    pemStr = entry.unzipToString(0,"utf-8")

    #  Load it into a certificate object:
    success = cert.LoadPem(pemStr)
    if (success != True):
        print(cert.lastErrorText())

    #  Add it to the trusted roots.
    trustedRoots.AddCert(cert)

    bHasMoreEntries = entry.GetNextMatch(pattern)

#   Activate the trusted roots globally for all Chilkat objects.
#   This call really shouldn't fail, so we're not checking the return value.
success = trustedRoots.Activate()