Export Digital Certificate from Windows Registry Certificate Store

 Chilkat Python Module Downloads for Windows, Linux, and MAC OS X

Python script to locate a digital certificate in the Windows current-user cert store and export it to a .cer file.

# file: exportCert.py

import chilkat

# How to export to a .cer file a digital certificate matching an email address in
# the Windows registry Current User Certificate Store.

# The CkCert, CkCertStore, and CkCreateCS are free utility classes that can be 
# used in any Ruby application/script without the need to purchase a license.

ccs = chilkat.CkCreateCS()

# Open the current-user certificate store in read-only mode.
ccs.put_ReadOnly(True)
certStore = ccs.OpenCurrentUserStore()

if certStore == None:
	ccs.SaveLastError("lastError.txt")
	print "Failed to open current user certificate store\n"
else:
	cert = certStore.FindCertBySubjectE("john@example.com")
	if (cert == None):
		print "Failed to find certificate matching john@example.com\n"
	else:
		# Print the distinguished name of the certificate.
		print "Exporting: " + cert.subjectDN() + "\n"
		
		# Now export it to a .cer file.
		cert.SaveToFile("myCert.cer")