(CkPython) Find Certificate by Subject OU (Organizational Unit)

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Demonstrates how to find a certificate having the specified subject organizational unit (OU).

Note: Requires Chilkat v10.1.2 or later.

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

import sys
import chilkat

certStore = chilkat.CkCertStore()

# This opens the Current User certificate store on Windows,
# On MacOS and iOS it opens the default Keychain.
readOnly = False
success = certStore.OpenCurrentUserStore(readOnly)
if (success == False):
    print(certStore.lastErrorText())
    sys.exit()

# Find the certificate having a Subject OU = "Secretaria da Receita Federal do Brasil - RFB".
json = chilkat.CkJsonObject()
ou = "Secretaria da Receita Federal do Brasil - RFB"
json.UpdateString("OU",ou)

cert = chilkat.CkCert()
success = certStore.FindCert(json,cert)
if (success == True):
    # Show the full distinguished name of the certificate.
    print("Found: " + cert.subjectDN())
else:
    print("Not found.")