VB.NET

Add a PFX Source from BinData

Demonstrates the Chilkat Email.AddPfxSourceBd method, which adds PFX data held in a BinData object to the list of certificate and private-key sources used during decryption or signing. The second argument is the PFX password. Call it before obtaining the encrypted email so Chilkat can decrypt it automatically. This example loads a PFX into a BinData, adds it, and then loads an encrypted email.

Background: This is the in-memory (BinData) counterpart to AddPfxSourceFile. It is the right choice when the PFX bytes come from somewhere other than a file — a database, a secrets manager, or an HTTP download — letting you supply the certificate and private key without first writing them to disk (which is preferable for sensitive key material).

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Dim success As Boolean = False

'  Demonstrates the AddPfxSourceBd method, which adds PFX data (held in a BinData) to the
'  list of certificate and private-key sources used during decryption or signing.  The
'  second argument is the PFX password.  Call it before obtaining the encrypted email.

Dim email As New Chilkat.Email

'  Load PFX data into a BinData object.
Dim bdPfx As New Chilkat.BinData
success = bdPfx.LoadFile("qa_data/certs/decryption.pfx")
If (success = False) Then
    Debug.WriteLine(bdPfx.LastErrorText)
    Exit Sub
End If


'  Add the PFX as a source of the certificate + private key.
success = email.AddPfxSourceBd(bdPfx,"pfx_password")
If (success = False) Then
    Debug.WriteLine(email.LastErrorText)
    Exit Sub
End If


'  Load an encrypted email; Chilkat decrypts it using the PFX source.
success = email.LoadEml("qa_data/eml/encrypted.eml")
If (success = False) Then
    Debug.WriteLine(email.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("Decrypted = " & email.Decrypted)

'  Note: Paths such as "qa_data/..." are relative local filesystem paths,
'  relative to the current working directory of the running application.