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(VB.NET UWP/WinRT) Load Certs from Java KeyStore into Trusted CA Roots

Demonstrates how to load a Java KeyStore containing CA root certificates that are to be trusted by the application. This can be done once at the beginning of an application, and then the trusted roots can be activated so that only these root CA certs are trusted by the application for any TLS connections.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Dim jks As New Chilkat.JavaKeyStore
jks.VerboseLogging = True

Dim password As String = "myPassword"
Dim success As Boolean = jks.LoadFile(password,"qa_data/jks/entrust_caCerts.jks")
If (success <> True) Then
    Debug.WriteLine(jks.LastErrorText)
    Exit Sub
End If


Dim troots As New Chilkat.TrustedRoots
troots.VerboseLogging = True

success = Await troots.AddJavaKeyStoreAsync(jks)
If (success <> True) Then
    Debug.WriteLine(troots.LastErrorText)
    Exit Sub
End If


Dim i As Integer = 0
Dim numCerts As Integer = troots.NumCerts
While (i < numCerts)
    Dim cacert As Chilkat.Cert = troots.GetCert(i)
    Debug.WriteLine(i & ": " & cacert.SubjectDN)

    i = i + 1
End While

' Activate this specific set of trusted roots.
success = troots.Activate()
If (success <> True) Then
    Debug.WriteLine(troots.LastErrorText)
    Exit Sub
End If


' Output:

' 0: C=US, O=Entrust.net, OU=www.entrust.net/CPS incorp. by ref. (limits liab.), OU=(c) 1999 Entrust.net Limited, CN=Entrust.net Secure Server Certification Authority
' 1: O=Entrust.net, OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.), OU=(c) 1999 Entrust.net Limited, CN=Entrust.net Certification Authority (2048)
' 2: C=US, O="Entrust, Inc.", OU=www.entrust.net/CPS is incorporated by reference, OU="(c) 2006 Entrust, Inc.", CN=Entrust Root Certification Authority

 

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