DigitalSignatureCollection class

DigitalSignatureCollection class

Provides a collection of digital signatures attached to a document.

The DigitalSignatureCollection type exposes the following members:

Constructors

ConstructorDescription
initThe constructor of DigitalSignatureCollection.

Methods

MethodDescription
addAdd one signature to DigitalSignatureCollection.

Example

The following example shows how to validate digital signature.

from aspose.cells import Workbook

# workbook from a signed source file
signedWorkbook = Workbook(r"signedFile.xlsx")
# wb.IsDigitallySigned is true when the workbook is signed already.
print(signedWorkbook.is_digitally_signed)
# get digitalSignature collection from workbook
existingDsc = signedWorkbook.get_digital_signature()
for existingDs in existingDsc:
    print(existingDs.comments)
    print(existingDs.sign_time)
    print(existingDs.is_valid)

See Also