Paulo, you were right, ToArray() runs fine, now I can sign pdf withouth use the disk. thanks
2006/10/24, Paulo Soares <[EMAIL PROTECTED]>: > MemoryStream.ToArray() always works even after the stream is closed. I've no > idea why you would get that exception in this case. > > Paulo > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On > > Behalf Of mike mike > > Sent: Tuesday, October 24, 2006 11:31 AM > > To: [email protected] > > Subject: Re: [iText-questions] sign a file in memory, not in disk > > > > sorry, maybe I miss something but I don't understand, do you mind to > > use signedStream.ToArray() after st.close() ? I get the same > > exception. > > > > > > > > 2006/10/24, Paulo Soares <[EMAIL PROTECTED]>: > > > signedStream.ToArray() > > > > > > Paulo > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED] On > > > > Behalf Of mike mike > > > > Sent: Tuesday, October 24, 2006 11:00 AM > > > > To: [email protected] > > > > Subject: [iText-questions] sign a file in memory, not in disk > > > > > > > > Hi, > > > > > > > > working with C# (.NET 2.0) and itextsharp (v 3.1.5) . > > > > > > > > The piece of code at the end of thos mail is to sign a file. > > > > > > > > When I sign a pdf and got the signed pdf into a file, it > > runs fine. ( > > > > as in the comment lines //xxx ) > > > > > > > > But if I want to keep the signed file in a MemoryStream > > in place of a > > > > FileStream, when the signature has been done (st.close()), my > > > > MemoryStream no longer exists, it has been "disposed" and I get a > > > > > > > > System.ObjectDisposedException > > > > > > > > Is there an error in the code? or st.close() makes free the stream > > > > provided and I cannot use it? > > > > > > > > Below the code: > > > > > > > > PdfReader reader = new PdfReader("filetosign.pdf"); > > > > > > > > MemoryStream signedStream = new MemoryStream(); > > > > //xxx FileStream signedStream = new new > > FileStream("signedFile.pdf", > > > > FileMode.Create, FileAccess.Write); > > > > > > > > //In the next instruction I use a Memory Stream in place of a > > > > FileStream to get the result > > > > PdfStamper st = PdfStamper.CreateSignature(reader, > > > > signedStream, '\0',null); > > > > > > > > st.SetEncryption(PdfWriter.STRENGTH128BITS, null,"hello", > > > > PdfWriter.AllowPrinting); > > > > PdfSignatureAppearance sap = st.SignatureAppearance; > > > > > > > > sap.SetCrypto(this.myCert.Akp, this.myCert.Chain, null, > > > > PdfSignatureAppearance.WINCER_SIGNED); > > > > > > > > sap.Reason = "x"; > > > > sap.Contact = "y"; > > > > sap.Location = "z"; > > > > > > > > st.Close(); > > > > > > > > //xxx FileStream signedStream = new new > > FileStream("signedFile.pdf", > > > > FileMode.Open, FileAccess.Read); > > > > > > > > long numBytes = signedStream.Length; // HERE I GET THE EXCEPTION > > > > > > > > Thanks for your help. > > > > > > > > -------------------------------------------------------------- > > > > ----------- > > > > Using Tomcat but need to do more? Need to support web > > > > services, security? > > > > Get stuff done quickly with pre-integrated technology to make > > > > your job easier > > > > Download IBM WebSphere Application Server v.1.0.1 based on > > > > Apache Geronimo > > > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > > > > dat=121642 > > > > _______________________________________________ > > > > iText-questions mailing list > > > > [email protected] > > > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > > > > > > > > > > > > Aviso Legal: > > > Esta mensagem é destinada exclusivamente ao destinatário. > > Pode conter informação confidencial ou legalmente protegida. > > A incorrecta transmissão desta mensagem não significa a perca > > de confidencialidade. Se esta mensagem for recebida por > > engano, por favor envie-a de volta para o remetente e > > apague-a do seu sistema de imediato. É proibido a qualquer > > pessoa que não o destinatário de usar, revelar ou distribuir > > qualquer parte desta mensagem. > > > > > > Disclaimer: > > > This message is destined exclusively to the intended > > receiver. It may contain confidential or legally protected > > information. The incorrect transmission of this message does > > not mean the loss of its confidentiality. If this message is > > received by mistake, please send it back to the sender and > > delete it from your system immediately. It is forbidden to > > any person who is not the intended receiver to use, > > distribute or copy any part of this message. > > > > > > > > > > > > > > > > > -------------------------------------------------------------- > > ----------- > > > Using Tomcat but need to do more? Need to support web > > services, security? > > > Get stuff done quickly with pre-integrated technology to > > make your job easier > > > Download IBM WebSphere Application Server v.1.0.1 based on > > Apache Geronimo > > > > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > > dat=121642 > > > > > > _______________________________________________ > > > iText-questions mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > > > > > > > > > > > > -------------------------------------------------------------- > > ----------- > > Using Tomcat but need to do more? Need to support web > > services, security? > > Get stuff done quickly with pre-integrated technology to make > > your job easier > > Download IBM WebSphere Application Server v.1.0.1 based on > > Apache Geronimo > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > > dat=121642 > > _______________________________________________ > > iText-questions mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > > > > Aviso Legal: > Esta mensagem é destinada exclusivamente ao destinatário. Pode conter > informação confidencial ou legalmente protegida. A incorrecta transmissão > desta mensagem não significa a perca de confidencialidade. Se esta mensagem > for recebida por engano, por favor envie-a de volta para o remetente e > apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o > destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. > > Disclaimer: > This message is destined exclusively to the intended receiver. It may contain > confidential or legally protected information. The incorrect transmission of > this message does not mean the loss of its confidentiality. If this message > is received by mistake, please send it back to the sender and delete it from > your system immediately. It is forbidden to any person who is not the > intended receiver to use, distribute or copy any part of this message. > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions
