Load PEM Public/Private Key into RSA Object

Demonstrates how to load a PEM key into the Chilkat RSA object.

Download 32-bit Chilkat RSA ActiveX (.msi)

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Dim rsa As New ChilkatRsa

Dim success As Long
success = rsa.UnlockComponent("Anything for 30-day trial")
If (success <> 1) Then
    Text1.Text = Text1.Text & rsa.LastErrorText & vbCrLf
    Exit Sub
End If

'  First demonstrate importing a PEM public key:
Dim publicKeyPem As String
publicKeyPem = "PEM public-key data goes here"
Dim pubkey As New PublicKey

success = pubkey.LoadOpenSslPem(publicKeyPem)
If (success <> 1) Then
    Text1.Text = Text1.Text & pubkey.LastErrorText & vbCrLf
    Exit Sub
End If

Dim publicKeyXml As String
publicKeyXml = pubkey.GetXml()

success = rsa.ImportPublicKey(publicKeyXml)
If (success <> 1) Then
    Text1.Text = Text1.Text & rsa.LastErrorText & vbCrLf
    Exit Sub
End If

'  Demonstrate importing a PEM private key:
Dim privateKeyPem As String
privateKeyPem = "PEM private-key data goes here"
Dim privkey As New PrivateKey

'  If the private key PEM is protected with a password, then
'  call LoadEncryptedPem.  Otherwise call LoadPem.
success = privkey.LoadPem(privateKeyPem)
If (success <> 1) Then
    Text1.Text = Text1.Text & privkey.LastErrorText & vbCrLf
    Exit Sub
End If

Dim privateKeyXml As String
privateKeyXml = privkey.GetXml()
success = rsa.ImportPrivateKey(privateKeyXml)
If (success <> 1) Then
    Text1.Text = Text1.Text & rsa.LastErrorText & vbCrLf
    Exit Sub
End If

MsgBox "OK!"