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Export a Public Key as XML

Demonstrates the Chilkat PublicKey.GetXml method, which returns the public key in Chilkat XML format. It takes no arguments; the exact representation (for example an RSAPublicKey element) depends on the key type.

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 XML key format comes from the .NET/XML-DSIG world; exporting to it lets you hand a public key to .NET code or a system built around XML signatures. It is the inverse of LoadXml-style loading. Because a public key is not secret, this XML can be shared freely.

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llSuccess = .F.

//  Load a public key to export.  LoadFromFile inspects the content, so it accepts DER, PEM, XML,
//  JWK, and other supported representations.
loPubKey = createobject("CkPublicKey")
llSuccess = loPubKey.LoadFromFile("qa_data/public.pem")
if (llSuccess = .F.) then
    ? loPubKey.LastErrorText
    release loPubKey
    return
endif

//  Export the public key in Chilkat XML format.  The representation depends on the key type (for
//  example an RSAPublicKey element for RSA).
lcXml = loPubKey.GetXml()
if (loPubKey.LastMethodSuccess = .F.) then
    ? loPubKey.LastErrorText
    release loPubKey
    return
endif

? lcXml


release loPubKey