Questions tagged [iso-32000]

ISO-32000, published by the International Organization for Standardization (ISO), is a standardization of Adobe's PDF specification.

2 questions

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1 answer

pdfbox - How to incrementally sign updated document or changes

I have some questions wrt pdfbox. I want to sucessively sign a document that is subject to changes, e.g. a) originalPdf (signed by X), b) an image is added to the pdf (then signed by person Y), etc., such that the signatures are all valid. How can…

asked Dec 27 '20 at 19:48

JDee

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1 answer

XREF table in a pdf file

I have written the following Hello code for a pdf file. %PDF-1.4 1 0 obj << /Type /Catalog /Pages 2 0 R >> endobj 2 0 obj << /Kids [3 0 R] /Count 1 >> endobj 3 0 obj << /Parent 2 0 R /Contents 4 0 R >> endobj 4 0 obj << /Length 20 >> stream BT /F1…

pdf iso-32000

asked Mar 29 '19 at 15:36

mahmood

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