Authentifizierung der Signatur aus der XML -Datei und der PEM -DateiPython

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Anonymous
 Authentifizierung der Signatur aus der XML -Datei und der PEM -Datei

Post by Anonymous »

Ich habe eine .pem -Datei, die mein Zertifikat und meine XML -Datei enthält, die auch Details zur Signatur enthält. Im Folgenden finden Sie den Code, den ich verwende, um < /p>
zu überprüfen# Parse the XML document
template = etree.parse("test.xml").getroot()
print("Template", template.tag)

# Add ID attributes
xmlsec.tree.add_ids(template, ["ID"])

# Print the loaded XML template
print(etree.tostring(template, pretty_print=True).decode())

# Find the signature node
signature_node = xmlsec.tree.find_node(template, xmlsec.constants.NodeSignature)

# Print the signature node
if signature_node is not None:
print(etree.tostring(signature_node, pretty_print=True).decode())
else:
print("Signature node not found")
exit(1)

# Create a digital signature context (no key manager is needed).
ctx = xmlsec.SignatureContext()
print("Digital Signature", ctx)

# Load the key from file
try:
key = xmlsec.Key.from_file(
"test.pem",
xmlsec.constants.KeyDataFormatPem,
)
print("Key loaded successfully.")
except Exception as e:
print(f"Error loading key: {e}")
exit(1)

# Set the key on the context.
ctx.key = key

# Verify the signature
try:
ctx.verify(signature_node)
print("Validated")
except xmlsec.VerificationError as e:
print(f"Not Verified: {e}")
except Exception as e:
print(f"Error: {e}")
< /code>
Error I am getting is: Error loading key: (1, 'cannot read key')
< /code>
It is in line
key = xmlsec.Key.from_file(
"test.pem",
xmlsec.constants.KeyDataFormatPem,
)
< /code>
If someone has already resolved it, please guide.

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