Decrypt MIME with PFX

Demonstrates how to decrypt MIME using a PFX (containing a digital certificate with private key). The content-type of an encrypted MIME message looks like this:

Content-Type: application/x-pkcs7-mime;
	name="smime.p7m"

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

import sys
import chilkat

mime = chilkat.CkMime()

success = mime.UnlockComponent("Anything for 30-day trial")
if (success == False):
    print "Failed to unlock component"
    sys.exit()

success = mime.LoadMimeFile("encryptedEmail.eml")
if (success != True):
    print mime.lastErrorText()
    sys.exit()

certStore = chilkat.CkCertStore()
success = certStore.LoadPfxFile("myPfx.pfx","myPfxPassword")
if (success != True):
    print certStore.lastErrorText()
    sys.exit()

#  Find the certificate by email address.  There are many
#  ways to find certificates within a Chilkat certificate store
#  object...

# cert is a CkCert
cert = certStore.FindCertBySubjectE("support@chilkatsoft.com")
if (cert == None ):
    print certStore.lastErrorText()
    sys.exit()

# privKey is a CkPrivateKey
privKey = cert.ExportPrivateKey()
if (privKey == None ):
    print cert.lastErrorText()

    sys.exit()

success = mime.Decrypt2(cert,privKey)
if (success != True):
    print mime.lastErrorText()
    sys.exit()

#  Show the decrypted MIME:
print mime.getMime()