(AutoIt) Sign a File to Create a .p7s (Detached Signature)

AutoIt example to create a detached signature file (.p7s) for any type file. The signature can be verified by calling VerifyP7S and passing the original filename and the .p7s filename.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

$oCrypt = ObjCreate("Chilkat_9_5_0.Crypt2")

; Use a digital certificate and private key from a PFX file (.pfx or .p12).
Local $signingCertSubject = "Acme Inc"
Local $sPfxFilename = "/Users/chilkat/testData/pfx/acme.pfx"
Local $sPfxPassword = "test123"

$oCertStore = ObjCreate("Chilkat_9_5_0.CertStore")
Local $bSuccess = $oCertStore.LoadPfxFile($sPfxFilename,$sPfxPassword)
If ($bSuccess <> True) Then
    ConsoleWrite($oCertStore.LastErrorText & @CRLF)
    Exit
EndIf

Local $oCert = $oCertStore.FindCertBySubjectCN($signingCertSubject)
If ($oCertStore.LastMethodSuccess = False) Then
    ConsoleWrite("Failed to find certificate by subject common name." & @CRLF)
    Exit
EndIf

; Tell the crypt component to use this cert.
$bSuccess = $oCrypt.SetSigningCert($oCert)

; We can sign any type of file, creating a .p7s as output:
Local $sInFile = "/Users/chilkat/testData/pdf/sample.pdf"
Local $sigFile = "/Users/chilkat/testData/p7s/sample.p7s"

$bSuccess = $oCrypt.CreateP7S($sInFile,$sigFile)
If ($bSuccess = False) Then
    ConsoleWrite($oCrypt.LastErrorText & @CRLF)

    Exit
EndIf

$bSuccess = $oCrypt.VerifyP7S($sInFile,$sigFile)
If ($bSuccess = False) Then
    ConsoleWrite($oCrypt.LastErrorText & @CRLF)

    Exit
EndIf

ConsoleWrite("Success!" & @CRLF)