is_valid property
DigitalSignature.is_valid property
Returns True
if this digital signature is valid and the document has not been tampered with.
@property
def is_valid(self) -> bool:
...
Examples
Shows how to validate and display information about each signature in a document.
doc = aw.Document(MY_DIR + 'Digitally signed.docx')
for signature in doc.digital_signatures:
print(f"\n{('Valid' if signature.is_valid else 'Invalid')} signature: ")
print(f'\tReason:\t{signature.comments}')
print(f'\tType:\t{signature.signature_type}')
print(f'\tSign time:\t{signature.sign_time}')
# System.Security.Cryptography.X509Certificates.X509Certificate2 is not supported. That is why the following information is not accesible.
#print(f"\tSubject name:\t{signature.certificate_holder.certificate.subject_name}")
#print(f"\tIssuer name:\t{signature.certificate_holder.certificate.issuer_name.name}")
print()
See Also
- module aspose.words.digitalsignatures
- class DigitalSignature