![]() ![]() Additionally, the coversEntireDocument Boolean property is useful if the document has many digital signatures. Programmatically, the PDFSignatureStatus class contains a property, signatureIntegrityStatus, that can be queried to determine if the document was altered in some way after it was digitally signed. If you validate a digital signature with PSPDFKit, either programmatically or using our UI, there can be several possible statuses for the signature. This can be very useful for the topic that comes next. ![]() ![]() PSPDFSignatureValidator *validator = initWithSignatureFormElement:signatureFormElement] Let status = try validator.verifySignature(withTrustedCertificates: certificates) let validator = PDFSignatureValidator(signatureFormElement: signatureFormElement) ![]()
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