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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) Iterate Keys and Certs in PEM

Demonstrates how to access each of the private keys and certs contained within a PEM.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

'  Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
'  by calling UnlockBundle.  It requires a Bundle unlock code.
Dim chilkatGlob As New Chilkat.Global
Dim success As Boolean = chilkatGlob.UnlockBundle("Anything for 30-day trial.")
If (success <> True) Then
    Debug.WriteLine(chilkatGlob.LastErrorText)
    Exit Sub
End If


'  The Chilkat PEM class was introduced in v9.5.0.49.
'  It requires the bundle to be unlocked, as shown above.
Dim pem As New Chilkat.Pem

'  Load the PEM from a file.
'  If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
Dim password As String = "myPassword"
success = Await pem.LoadPemFileAsync("../myPemFiles/myPem.pem",password)
If (success <> True) Then
    Debug.WriteLine(pem.LastErrorText)
    Exit Sub
End If


'  Note: If the app already has the PEM pre-loaded in a string variable, then load it
'  by calling LoadPem instead.
Dim pemContent As String = "... the PEM contents ..."
success = Await pem.LoadPemAsync(pemContent,password)
'  Check for success as before..

'  Iterate over the private keys.
Dim numPrivateKeys As Integer = pem.NumPrivateKeys
Dim i As Integer = 0

While i < numPrivateKeys

    Dim privKey As Chilkat.PrivateKey = pem.GetPrivateKey(i)
    Debug.WriteLine("Private Key " & i & " is " & privKey.BitLength & " in length")


    i = i + 1
End While

'  Iterate over the certificates.
Dim numCerts As Integer = pem.NumCerts
i = 0

While i < numCerts

    Dim cert As Chilkat.Cert = pem.GetCert(i)
    Debug.WriteLine("Certificate " & i & " : " & cert.SubjectDN)


    i = i + 1
End While

 

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