(CkPython) Find a Certificate by it's SHA-1 Thumbprint

Finds a certificate by it's SHA-1 hex thumbprint. Parts of this example are specific to Windows because it searches the Windows Current User certificate store.

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()

thumbprint = "12c1dd8015f3f03f7b1fa619dc24e2493ca8b4b2"

# This part of the example is specific to Windows because it is opening the Windows Current-User certificate store.
bReadOnly = True
success = certStore.OpenCurrentUserStore(bReadOnly)
if (success != True):
    print(certStore.lastErrorText())
    sys.exit()

# Find the certificate with the desired thumbprint
# cert is a CkCert
cert = certStore.FindCertBySha1Thumbprint(thumbprint)
if (certStore.get_LastMethodSuccess() != True):
    print("Failed to find the certificate.")
    sys.exit()

print("Found: " + cert.subjectCN())

# -------------------------------------------------------------------------------------
# Alternatively, one could load a certificate store object with certs from a PEM file,
# and do the same thing..
certStorePem = chilkat.CkCertStore()

success = certStorePem.LoadPemFile("pemFiles/certificates.pem")
if (success != True):
    print(certStorePem.lastErrorText())
    sys.exit()

# cert is a CkCert
cert = certStorePem.FindCertBySha1Thumbprint(thumbprint)
if (certStorePem.get_LastMethodSuccess() != True):
    print("Failed to find the certificate.")
    sys.exit()

print("Found: " + cert.subjectCN())