Does 'iText' community version 5.4.2 support creating 'PAdES' Digital Signature standard for PDF files ?
Thank you very much in Advance Best Regards Pearapon S. Bangkok, Thailand
Does 'iText' community version 5.4.2 support creating 'PAdES' Digital Signature standard for PDF files ?
Thank you very much in Advance Best Regards Pearapon S. Bangkok, Thailand
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You might want to read the white paper Digital Signatures for PDF documents by Bruno Lowagie (iText Software). It is from 2013, so some details might be out of date, but it still is a good introduction to the iText 5 signing API and an interesting read in the context of PDF signing in general.
Concerning your question it in particular explains:
As mentioned before, the document is from 2013 and, therefore, references the early ETSI TS on PAdES and not the newer ETSI EN documents. Changes required by the newer ENs have been implemented in the current iText 5 version, though, so basically the statements still hold.
PS: The online version of the code of the examples in the whitepaper has continuously been updated. Thus, if you want to try the examples, be sure to look for the updated code.