(VB.NET) Load Certificate from PFX (PKCS#12)

Loads a digital certificate (and private key, if available) from a PFX file.(also known as PKCS#12)

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Dim cert As New Chilkat.Cert

Dim success As Boolean

' Load from the PFX file
Dim pfxFilename As String = "/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx"
Dim pfxPassword As String = "test"

' A PFX typically contains certificates in the chain of authentication.
' The Chilkat cert object will choose the certificate w/
' private key farthest from the root authority cert.
' To access all the certificates in a PFX, use the 
' Chilkat certificate store object instead.
success = cert.LoadPfxFile(pfxFilename,pfxPassword)
If (success <> True) Then
    Debug.WriteLine(cert.LastErrorText)
    Exit Sub
End If


' Get some information about the digital certificate, 
' then get the private key...

' DN = "Distinguished Name"
Debug.WriteLine("SubjectDN:" & cert.SubjectDN)

Debug.WriteLine("Common Name:" & cert.SubjectCN)
Debug.WriteLine("Issuer Common Name:" & cert.IssuerCN)

Debug.WriteLine("Serial Number:" & cert.SerialNumber)

' Now for the private key...
Dim privKey As Chilkat.PrivateKey

privKey = cert.ExportPrivateKey()
If (cert.LastMethodSuccess = False) Then
    Debug.WriteLine(cert.LastErrorText)
    Exit Sub
End If


' The private key object may be used in any Chilkat methods
' (in other objects/classes) that expect a private key argument.

' In this case, save the private key to a PKCS8 Encrypted PEM format file:
Dim pemPassword As String = "secret"
Dim pemPath As String = "/Users/chilkat/testData/pem/chilkat_privKey.pem"
success = privKey.SavePkcs8EncryptedPemFile(pemPassword,pemPath)
If (success <> True) Then
    Debug.WriteLine(privKey.LastErrorText)

    Exit Sub
End If



Debug.WriteLine("Private key saved to PKCS8 Encrypted PEM...")