Sample code for 30+ languages & platforms
Visual Basic 6.0 Requires Chilkat v11.0.0+

Load Certificate from PFX (PKCS#12)

See more Certificates Examples

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

Chilkat Visual Basic 6.0 Downloads

Visual Basic 6.0
Dim success As Long
success = 0

Dim cert As New ChilkatCert

'  Load from the PFX file
Dim pfxFilename As String
pfxFilename = "/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx"
Dim pfxPassword As String
pfxPassword = "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 = 0) Then
    Debug.Print cert.LastErrorText
    Exit Sub
End If

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

'  DN = "Distinguished Name"
Debug.Print "SubjectDN:" & cert.SubjectDN

Debug.Print "Common Name:" & cert.SubjectCN
Debug.Print "Issuer Common Name:" & cert.IssuerCN

Debug.Print "Serial Number:" & cert.SerialNumber

Dim privKey As New PrivateKey
success = cert.GetPrivateKey(privKey)
If (success = 0) Then
    Debug.Print 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
pemPassword = "secret"
Dim pemPath As String
pemPath = "/Users/chilkat/testData/pem/chilkat_privKey.pem"
success = privKey.SavePkcs8EncryptedPemFile(pemPassword,pemPath)
If (success = 0) Then
    Debug.Print privKey.LastErrorText
    Exit Sub
End If

Debug.Print "Private key saved to PKCS8 Encrypted PEM..."