Convert DSA DER Private Key to PEM

Converts a DSA private key from DER format to PEM. Demonstrates how to write both encrypted and unencrypted PEM formatted private keys.

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Dim success As Boolean

Dim dsa As New Chilkat.Dsa()

success = dsa.UnlockComponent("Anything for 30-day trial")
If (success <> true) Then
    MsgBox(dsa.LastErrorText)
    Exit Sub
End If


'  Load a DER private key.
success = dsa.FromDerFile("dsa_priv.der")
If (success <> true) Then
    MsgBox(dsa.LastErrorText)
    Exit Sub
End If


Dim pemStr As String

'  Save to unencrypted PEM:
pemStr = dsa.ToPem()
success = dsa.SaveText(pemStr,"dsa_priv.pem")
If (success <> true) Then
    MsgBox(dsa.LastErrorText)
    Exit Sub
End If


'  Save to encrypted PEM:
pemStr = dsa.ToEncryptedPem("myPassword")
success = dsa.SaveText(pemStr,"dsa_privEncrypted.pem")
If (success <> true) Then
    MsgBox(dsa.LastErrorText)
    Exit Sub
End If


MsgBox("Finished!")