pdftools_toolbox.pdf.forms.signed_signature_field
Classes
|
A base class for signature fields that have been signed |
- class pdftools_toolbox.pdf.forms.signed_signature_field.SignedSignatureField(handle)[source]
Bases:
SignatureFieldA base class for signature fields that have been signed
The existence of a signed signature field does not imply, that the signature is valid, the signature is actually not validated at all.
- property name: str | None
The name of the person or authority that signed the document
This is the name of the signing certificate.
Note: The name of the signing certificate can only be extracted for signatures conforming to the PAdES or PDF standard and not for proprietary/non-standard signature formats. For non-standard signature formats the name as stored in the PDF is returned.
- Returns:
Optional[str]
- Raises:
StateError – if the object has already been closed
- property date: datetime | None
The date and time of signing
This represents the date and time of signing as specified in the signature. For signatures that contain a time-stamp, the trusted time-stamp time is returned.
Note: The value can only be extracted for signatures conforming to the PAdES or PDF standard and not for proprietary/non-standard signature formats. For non-standard signature formats the date as stored in the PDF is returned.
- Returns:
Optional[datetime]
- Raises:
StateError – if the object has already been closed