How reliable is iText's signatureCoversWholeDocument() vs Acrobat Reader?
问题 I'd like to double check how reliable is iText's signatureCoversWholeDocument() . I have a document with one signature, which returns false for signatureCoversWholeDocument() , but Adobe Acrobat Reader doesn't report anything wrong with the document. iText's method seems to be to sum up the byte range it gets in getSignatureNames() : public ArrayList<String> getSignatureNames() { ..... PdfArray ro = v.getAsArray(PdfName.BYTERANGE); if (ro == null) continue; int rangeSize = ro.size(); if