PKCS7 Decrypt Using .pfx or .p12 File

Demonstrates how to decrypt MIME using a specifc PFX file (.pfx or .p12) for the source of certificate(s) and private key(s).

Download Chilkat MIME ActiveX

LOCAL loMime
LOCAL lnSuccess
LOCAL lcPfxPassword

loMime = CreateObject('Chilkat.Mime')

lnSuccess = loMime.UnlockComponent("Anything for 30-day trial.")
IF (lnSuccess = 0) THEN
    ? loMime.LastErrorText
    QUIT
ENDIF

*  Load the MIME
lnSuccess = loMime.LoadMimeFile("encrypted.mim")
IF (lnSuccess = 0) THEN
    ? loMime.LastErrorText
    QUIT
ENDIF

*  Decrypt using a specific PFX file:

lcPfxPassword = "myPassword"
lnSuccess = loMime.DecryptUsingPfxFile("c:/myPfxFiles/myCertAndPrivateKey.pfx",lcPfxPassword)
IF (lnSuccess = 0) THEN
    ? loMime.LastErrorText
    QUIT
ENDIF

*  Display the decrypted MIME:
? loMime.GetMime()

*  Note: The MIME to be decrypted should look something like this
*  when viewed in a text editor:
*  (Note that the Content-Type is application/x-pkcs7-mime)
*  
Content-Disposition: attachment; filename="smime.p7m"
Content-Transfer-Encoding: base64
Content-Type: application/x-pkcs7-mime;
 name="smime.p7m"

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