(Visual Basic 6.0) 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.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

Dim dsa As New ChilkatDsa

' Load a DER private key.
Dim success As Long
success = dsa.FromDerFile("dsa_priv.der")
If (success <> 1) Then
    Debug.Print 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 <> 1) Then
    Debug.Print dsa.LastErrorText
    Exit Sub
End If

' Save to encrypted PEM:
pemStr = dsa.ToEncryptedPem("myPassword")
success = dsa.SaveText(pemStr,"dsa_privEncrypted.pem")
If (success <> 1) Then
    Debug.Print dsa.LastErrorText
    Exit Sub
End If

Debug.Print "Finished!"