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Load a Private Key from a File (Any Format)

Demonstrates the Chilkat PrivateKey.LoadAnyFormatFile method, which loads a private key from a file by inspecting its contents. The first argument is the file path and the second is the password (used if the detected key is encrypted).

Note: The file path is relative to the application's current working directory. Absolute paths may also be used. Supply the path to your own key file.

Background: This is the most convenient loader of all — point it at a key file whose format you do not know and it detects and loads it, whether PKCS #1/#8, encrypted PKCS #8, PEM, JWK, XML, or a Microsoft format. It is the pragmatic default for applications that accept keys from users or varied sources; use a format-specific loader only when you want to enforce a particular expected format.

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Local $bSuccess = False

;  Demonstrates the PrivateKey.LoadAnyFormatFile method, which loads a private key from a file by
;  inspecting its contents.  The 1st argument is the file path and the 2nd is the password (used
;  if the detected key is encrypted).

$oPrivKey = ObjCreate("Chilkat.PrivateKey")

;  The key password is not hard-coded in a real application; obtain it from an interactive
;  prompt, environment variable, or a secrets vault.
Local $sPassword = "myKeyPassword"

;  This is the most convenient loader when the file's exact format is unknown: Chilkat inspects
;  the content and handles PKCS #1/#8, encrypted PKCS #8, PEM, JWK, XML, Microsoft formats, etc.
$bSuccess = $oPrivKey.LoadAnyFormatFile("qa_data/some_private_key",$sPassword)
If ($bSuccess = False) Then
    ConsoleWrite($oPrivKey.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Loaded a " & $oPrivKey.KeyType & " private key." & @CRLF)