Chilkat2-Python

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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import sys
import chilkat2

success = False

# Load a public key to export.  LoadFromFile inspects the content, so it accepts DER, PEM, XML,
# JWK, and other supported representations.
pubKey = chilkat2.PublicKey()
success = pubKey.LoadFromFile("qa_data/public.pem")
if (success == False):
    print(pubKey.LastErrorText)
    sys.exit()

# Export the public key in Chilkat XML format.  The representation depends on the key type (for
# example an RSAPublicKey element for RSA).
xml = pubKey.GetXml()
if (pubKey.LastMethodSuccess == False):
    print(pubKey.LastErrorText)
    sys.exit()

print(xml)