The PdfEncryptor.encrypt() method uses PdfStamper internally, and PdfStamper
tampers the PdfReader instance, so that it cannot be used by other objects ,
neither other PdfStampers.
If you only need to encrypt a document, I believe the PdfEncryptor class will
suffice.
Or you could only use the PdfStamper.setEncryption() method instead.
Fabrizio
________________________________
Da: Dave Jarvis <[email protected]>
A: [email protected]
Inviato: Gio 19 novembre 2009, 11:42:33
Oggetto: [iText-questions] Question on using PdfEncryptor and PdfStamper
together.
Hi, the below gives the “The
original document was reused. Read it again from file” error because i am using
both PdfEncryptor and PdfStamper together (each on its own works fine). How
should i do it please ? Do i need to write to a temp file. How please ?
byte[] bb = ....
PdfReader reader = new
PdfReader(bb);
PdfEncryptor.encrypt(reader, os,
null, null, PdfWriter.AllowPrinting |PdfWriter.AllowCopy
|PdfWriter.AllowScreenReaders, false);
PdfStamper stamp = new
PdfStamper(reader, os);
Thanks
Dave
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