(VB.NET) 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.

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

Dim mime As New Chilkat.Mime

' Load the MIME
Dim success As Boolean = mime.LoadMimeFile("encryptedMime.txt")
If (success = False) Then
    Debug.WriteLine(mime.LastErrorText)
    Exit Sub
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.
Dim pfxPassword As String = "myPassword"
success = mime.AddPfxSourceFile("myCertAndPrivateKey.pfx",pfxPassword)
If (success = False) Then
    Debug.WriteLine(mime.LastErrorText)
    Exit Sub
End If


' Decrypt...
success = mime.Decrypt()
If (success = False) Then
    Debug.WriteLine(mime.LastErrorText)
    Exit Sub
End If


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