addExternalSigner method
Add external signer for signature.
Implementation
void addExternalSigner(
IPdfExternalSigner signer, List<List<int>> publicCertificatesData) {
_helper.externalSigner = signer;
_externalRootCert = publicCertificatesData;
if (_externalRootCert != null) {
final X509CertificateParser parser = X509CertificateParser();
_helper.externalChain = <X509Certificate?>[];
_externalRootCert!.toList().forEach((List<int> certRawData) => _helper
.externalChain!
.add(parser.readCertificate(PdfStreamReader(certRawData))));
}
}