(VBScript) PKCS7 Decrypt MIME

Loads a PKCS7 encrypted MIME file and decrypts. The cert and private key used for decryption is loaded from a PFX file.

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

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

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

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Mime")
set mime = CreateObject("Chilkat.Mime")

' Load the MIME
success = mime.LoadMimeFile("encryptedMime.txt")
If (success = 0) Then
    outFile.WriteLine(mime.LastErrorText)
    WScript.Quit
End If

' The AddPfxSourceFile and/or AddPfxSourceData
' methods may be called one or more times (one per PFX)
' to add sources from which the MIME component will
' search for certificates and private keys when decrypting.
pfxPassword = "myPassword"
success = mime.AddPfxSourceFile("myCertAndPrivateKey.pfx",pfxPassword)
If (success = 0) Then
    outFile.WriteLine(mime.LastErrorText)
    WScript.Quit
End If

' Decrypt...
success = mime.Decrypt()
If (success = 0) Then
    outFile.WriteLine(mime.LastErrorText)
    WScript.Quit
End If

' Display the decrypted MIME:
outFile.WriteLine(mime.GetMime())

outFile.Close