PDFTron WebViewer

Namespace: VerificationOptions

VerificationOptions

NOTE: Digital Signature Verification requires the WebViewer Full API

Methods

addTrustedCertificates(certificates)

Loads the Public Key Certificates to be used for Digital Signature Verification. The contents of the X.509 Public Key Certificate need to encoded in a binary Distinguished Encoding Rules (DER) format, or in the plaintext Privacy-Enhanced Mail (PEM) format, which includes an appropriate header, Base64 encoded DER representing the public key certificate, and appropriate footer.
Parameters:
Name Type Description
certificates Array.<(string|File|ArrayBuffer|Int8Array|Uint8Array|Uint8ClampedArray)> An array of URLs, and/or instance of the File type, and/or a Binary Array datatype that contain the X.509 Public Key Certificates to be used for validating Digital Signatures on a document.
Example
WebViewer(...).then(async function(instance) {
  const response = await fetch(
    'https://mydomain.com/api/returns/certificate/as/arraybuffer'
  );
  const certificateAsArrayBuffer = await response.arrayBuffer();
  instance.verificationOptions.addTrustedCertificates([
     certificateAsArrayBuffer,
    'https://mydomain.com/path/to/certificate1.cer',
    'https://mydomain.com/path/to/certificate2.crt',
  ])
});