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Load a Public Key from a String

Demonstrates the Chilkat PublicKey.LoadFromString method, which loads a public key from a string. The only argument is the string. Chilkat examines the content and recognizes PEM public keys, unencrypted PEM private keys (taking only the public portion), XML, JWK, and more.

Background: This is the forgiving text loader: rather than requiring you to know the exact format, it inspects whatever string you provide and figures it out. A useful convenience is that it accepts an unencrypted private key too and keeps only the public half — handy when you have a key pair but need just the public key. Use it whenever the textual format is uncertain or varies by source.

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Local $bSuccess = False

;  Demonstrates the PublicKey.LoadFromString method, which loads a public key from a string.  The
;  only argument is the string.  Chilkat examines the content and recognizes PEM public keys,
;  unencrypted PEM private keys (using only the public portion), XML, JWK, and more.

$oPubKey = ObjCreate("Chilkat.PublicKey")

;  The PEM text of a public key.
Local $sKeyText = "-----BEGIN PUBLIC KEY-----" & @LF & "MIIBIjANBgkq...IDAQAB" & @LF & "-----END PUBLIC KEY-----"

$bSuccess = $oPubKey.LoadFromString($sKeyText)
If ($bSuccess = False) Then
    ConsoleWrite($oPubKey.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Loaded a " & $oPubKey.KeyType & " public key." & @CRLF)