Visual Basic 6.0

Save a Private Key as a Traditional PEM File

Demonstrates the Chilkat PrivateKey.SavePemFile method, which saves the key as unencrypted PEM, preferring a traditional algorithm-specific representation (for example RSA PRIVATE KEY). The only argument is the destination path.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: The file-writing form of GetPkcs1Pem, producing the legacy per-algorithm PEM that some older software requires. Prefer SavePkcs8PemFile for modern interoperability; use this when a consumer specifically needs the traditional layout. The PEM is unencrypted.

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Visual Basic 6.0

Dim success As Long
success = 0

'  Load a private key to export.
Dim privKey As New PrivateKey
success = privKey.LoadPemFile("qa_data/private.pem")
If (success = 0) Then
    Debug.Print privKey.LastErrorText
    Exit Sub
End If

'  Save as unencrypted PEM, preferring the traditional algorithm-specific representation (for
'  example "RSA PRIVATE KEY" for RSA).
success = privKey.SavePemFile("qa_output/private.pem")
If (success = 0) Then
    Debug.Print privKey.LastErrorText
    Exit Sub
End If

Debug.Print "Saved."