Hello,
Look at line 2188 please:
if (sub.equals(PdfName.ADBE_X509_RSA_SHA1)) {
PdfString cert = v.getAsString(PdfName.CERT);
pk = new PdfPKCS7(contents.getOriginalBytes(),
cert.getBytes(), provider);
}
In real life there is no self-signed certificate and PdfString cert
will be NULL.
To fix that bug, you may use code like that:
if (sub.equals(PdfName.ADBE_X509_RSA_SHA1)) {
PdfString cert = v.getAsString(PdfName.CERT);
if (cert==null) {
PdfArray pda = v.getAsArray(PdfName.CERT);
for (int i=0; i<pda.size(); i++){
cert = pda.getAsString(i);
//TODO: PdfPKCS7 on each
}
}
pk = new PdfPKCS7(contents.getOriginalBytes(),
cert.getBytes(), provider);
}
--
Best regards!
Vladimir Vorontsov
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