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AddDetachedSignaturePk

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Demonstrates how to add a detached signature using a certifcate and it's corresponding private key. The easiest way of doing it is when both the certificate and private key are contained together within a PFX (.pfx or .p12) file. This example demonstrates how to use the certificate and its corresponding private key when they are stored in separate files -- a .cer for the certificate, and a .pem for the private key. AutoIt

Local $bSuccess = False

; This example assumes the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.

$oMime = ObjCreate("Chilkat.Mime")

; Load the certificate from a .cer file.
$oCert = ObjCreate("Chilkat.Cert")
$bSuccess = $oCert.LoadFromFile("aaworkarea/myCert.cer")
If ($bSuccess = False) Then
    ConsoleWrite($oCert.LastErrorText & @CRLF)
    Exit
EndIf

; Load the private key from an encrypted PEM file.
; (A private key can be loaded from other file formats also..)
$oPrivKey = ObjCreate("Chilkat.PrivateKey")
$bSuccess = $oPrivKey.LoadEncryptedPemFile("aaworkarea/myPrivateKey.pem","myPassword")
If ($bSuccess = False) Then
    ConsoleWrite($oPrivKey.LastErrorText & @CRLF)
    Exit
EndIf

$bSuccess = $oMime.SetBodyFromPlainText("This is the plain-text MIME body.")

; Sign the MIME (adds a PKCS7 detached signature)
$bSuccess = $oMime.AddDetachedSignaturePk($oCert,$oPrivKey)
If ($bSuccess = False) Then
    ConsoleWrite($oMime.LastErrorText & @CRLF)
    Exit
EndIf

; Save the S/MIME to a file.
$bSuccess = $oMime.SaveMime("aaworkarea/signedMime.txt")
If ($bSuccess = False) Then
    ConsoleWrite($oMime.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("success!" & @CRLF)