Replace "new byte[128]" with "new byte[256]".
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Android Andrew [:]
> Sent: Friday, September 15, 2006 12:42 PM
> To: [email protected]
> Subject: [iText-questions] IllegalArgumentException: The key
> /Contents istoo big. (RSA 2k ???)
>
> Hello everybody!
>
> I've faced with problem similar to described here:
> 26 Oct 2005
> http://www.mail-archive.com/[EMAIL PROTECTED]
> net/msg19419.html
>
> If I'm using 1k length private key, everything is Ok, but if I try to
> use 2k length key, I get this:
>
> Exception in thread "main"
> java.lang.IllegalArgumentException: The key
> /Contents is too big. Is 522, reserved 264
> at
> com.lowagie.text.pdf.PdfSignatureAppearance.close(PdfSignature
> Appearance.java:1040)
>
> My code is based on receipt from
> http://itextpdf.sourceforge.net/howtosign.html#signextstd
>
> Does anybody faced with such problem or knew how to deal with it?
>
>
>
> Here is a part of my code:
>
> ....
> KeyStore ks = KeyStore.getInstance("pkcs12");
> ks.load(new FileInputStream(KeyFileName),
> Pass.toCharArray());
> String alias = (String) ks.aliases().nextElement();
> PrivateKey key =
> (PrivateKey)ks.getKey(alias,Pass.toCharArray());
> Certificate[] chain = ks.getCertificateChain(alias);
> PdfReader reader = new PdfReader(InFileName);
> FileOutputStream fout = new
> FileOutputStream(OutFileName);
> PdfStamper stp =
> PdfStamper.createSignature(reader,fout,'\0');
> PdfSignatureAppearance sap =
> stp.getSignatureAppearance();
> sap.setCrypto(key,chain, null,
> PdfSignatureAppearance.SELF_SIGNED);
> sap.setReason(Reason);
> sap.setLocation(Location);
> if (isVisible)
> sap.setVisibleSignature(new
> Rectangle(475,15,575,115),
> 1, null);
> sap.setExternalDigest(new byte[128], null, "RSA");
> sap.preClose();
> PdfPKCS7 sig = sap.getSigStandard().getSigner();
> Signature sign = Signature.getInstance("SHA1withRSA");
> sign.initSign(key);
> byte buf[] = new byte[8192];
> int n;
> InputStream inp = sap.getRangeStream();
> while ((n = inp.read(buf)) > 0) {
> sign.update(buf,0,n);
> }
> sig.setExternalDigest(sign.sign(), null, "RSA");
> PdfDictionary dic = new PdfDictionary();
> dic.put(PdfName.CONTENTS, new
> PdfString(sig.getEncodedPKCS1()).setHexWriting(true));
> sap.setCertified(true);
> sap.close(dic);
> ...
>
>
> --------------------------------------------------------------
> -----------
> Using Tomcat but need to do more? Need to support web
> services, security?
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> your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on
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> dat=121642
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>
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-------------------------------------------------------------------------
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
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