Chilkat2-Python

Load a Private Key from XML Text

Demonstrates the Chilkat PrivateKey.LoadXml method, which loads a private key from XML text. The only argument is the XML string. Supported roots include RSAKeyValue, DSAKeyValue, ECCKeyValue, and Ed25519KeyValue.

Background: XML key representations such as RSAKeyValue come from the .NET/XML-DSIG world, where keys are exchanged as XML elements. This loads that form — the inverse of GetXml — which is handy for interoperating with .NET code or systems built around XML signatures. It is a plaintext format, so protect the XML like any unencrypted key material.

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import sys
import chilkat2

success = False

# Demonstrates the PrivateKey.LoadXml method, which loads a private key from XML text.  The only
# argument is the XML string.  Supported roots include RSAKeyValue, DSAKeyValue, ECCKeyValue,
# and Ed25519KeyValue.

privKey = chilkat2.PrivateKey()

# The XML text of a private key (for example as produced by GetXml).
xmlText = "<RSAKeyValue><Modulus>...</Modulus><Exponent>AQAB</Exponent>...</RSAKeyValue>"

success = privKey.LoadXml(xmlText)
if (success == False):
    print(privKey.LastErrorText)
    sys.exit()

print("Loaded a " + privKey.KeyType + " private key.")