Hi, i know that this code fail because the line
"sap.setCrypto(null, chain, null, null);"
can not be commented. However, I can uncomment the line because I do not
have a pkcs12 file, but a p7s file.
Is there any way to use that p7s file like a pkcs12?
Thanks, Ángel
2009/4/22 amcereijo cereijo <[email protected]>
> Hello, i try tihs code:
>
> public void SignDetached() {
> try {
>
>
> Security.addProvider(new BouncyCastleProvider());
> //KeyStore ks = KeyStore.getInstance("PKCS12");
> // ks.load(new FileInputStream("my_private_key.pfx"),
> "password".toCharArray());
> // String alias = (String)ks.aliases().nextElement();
> // PrivateKey key = (PrivateKey)ks.getKey(alias,
> "password".toCharArray());
> // Certificate[] chain = ks.getCertificateChain(alias);
>
> PdfReader reader = new PdfReader("d:\\cert.pdf");
> PdfStamper stp = PdfStamper.createSignature(reader, new
> FileOutputStream("d:\\certFirm.pdf"), '\0');
> PdfSignatureAppearance sap = stp.getSignatureAppearance();
> sap.setVisibleSignature(new Rectangle(100, 100, 300, 200), 1,
> null);
> sap.setSignDate(new GregorianCalendar());
> // sap.setCrypto(null, chain, null, null);
> sap.setReason("I like to sign");
> sap.setLocation("Universe");
> sap.setAcro6Layers(true);
>
> sap.setRender(PdfSignatureAppearance.SignatureRenderNameAndDescription);
> PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE,
> PdfName.ADBE_PKCS7_DETACHED);
> dic.setDate(new PdfDate(sap.getSignDate()));
> //
> dic.setName(PdfPKCS7.getSubjectFields((X509Certificate)chain[0]).getField("CN"));
> if (sap.getReason() != null)
> dic.setReason(sap.getReason());
> if (sap.getLocation() != null)
> dic.setLocation(sap.getLocation());
> sap.setCryptoDictionary(dic);
> int csize = 4000;
> HashMap exc = new HashMap();
> exc.put(PdfName.CONTENTS, new Integer(csize * 2 + 2));
> System.out.println("sap:"+sap+" ,exc: "+exc);
> sap.preClose(exc);
>
> CMSSignedDataGenerator generator = new CMSSignedDataGenerator();
> // generator.addSigner(key, (X509Certificate)chain[0],
> CMSSignedDataGenerator.DIGEST_SHA1);
>
> /* ArrayList list = new ArrayList();
> for (int i = 0; i < chain.length; i++) {
> list.add(chain[i]);
> }*/
> // CertStore chainStore = CertStore.getInstance("Collection", new
> CollectionCertStoreParameters(list), "BC");
> // generator.addCertificatesAndCRLs(chainStore);
> CMSProcessable content = new CMSProcessableRange(sap);
> CMSSignedData signedData = generator.generate(content, false,
> "BC");
> //byte[] pk = signedData.getEncoded();
> //baos.toByteArray() contents the pk7 file.
> byte[] pk = baos.toByteArray();
> csize=pk.length;
> byte[] outc = new byte[csize];
>
> PdfDictionary dic2 = new PdfDictionary();
>
> System.arraycopy(pk, 0, outc, 0, pk.length);
>
> dic2.put(PdfName.CONTENTS, new
> PdfString(outc).setHexWriting(true));
> sap.close(dic2);
> }
> catch (Exception e) {
> e.printStackTrace();
> }
> }
>
>
>
> and recived :
>
> java.lang.NullPointerException
>
> at com.lowagie.text.pdf.PdfSignatureAppearance.getAppearance(Unknown
> Source)
>
> at com.lowagie.text.pdf.PdfSignatureAppearance.preClose(Unknown Source)
>
> at firma.PruebaFirma.SignDetached(PruebaFirma.java:80)
>
> at firma.PruebaFirma.main(PruebaFirma.java:199)
>
>
> i don´t know what is the reason...
>
> Thanks, Ángel.
>
>
>
>
> ---------- Forwarded message ----------
> From: amcereijo cereijo <[email protected]>
> Date: 2009/4/22
> Subject: Re: Add sign to pdf
> To: [email protected]
>
>
> Thanks i'm going to try it
>>
>> Message: 5
>> Date: Wed, 22 Apr 2009 15:28:31 +0100
>> From: Paulo Soares <[email protected]>
>> Subject: Re: [iText-questions] Add sign to pdf
>> To: Post all your questions about iText here
>> <[email protected]>
>> Message-ID:
>> <[email protected]>
>> Content-Type: text/plain; charset="utf-8"
>>
>> See http://itextpdf.sourceforge.net/howtosign.html#signextdiccms. Replace
>> signedData.getEncoded() with your pkcs7.
>>
>> Paulo
>>
>> > -----Original Message-----
>> > From: amcereijo cereijo [mailto:[email protected]]
>> > Sent: Wednesday, April 22, 2009 3:21 PM
>> > To: [email protected]
>> > Subject: Re: [iText-questions] Add sign to pdf
>> >
>> >
>> >
>> > First, thanks to all.
>> > Second, i have seen that in data base is stored the pk7 file
>> > thath containst a certificate.
>> > Well, i have seen some examples of itext but i don?t know how
>> > to add this digital sign or to sign a pdf file whith this pk7 file.
>> >
>> > Thanks again, ?ngel.
>> >
>> >
>> >
>> >
>> >
>> >
>> > Message: 6
>> > Date: Tue, 21 Apr 2009 13:52:57 -0700
>> > From: Leonard Rosenthol <[email protected]>
>> > Subject: Re: [iText-questions] Add sign to pdf
>> > To: Post all your questions about iText here
>> > <[email protected]>
>> > Message-ID:
>> > <c613fec9.4ee97%[email protected]<c613fec9.4ee97%[email protected]>
>> > <mailto:c613fec9.4ee97%[email protected]<c613fec9.4ee97%[email protected]>>
>> >
>>
>> > Content-Type: text/plain; charset="iso-8859-1"
>> >
>> > A signature includes a certificate - that's how the
>> > technology works. If you don't have the certificate - you
>> > can't sign ANYTHING. (not a PDF issue, but a Digital
>> > Signature issue).
>> >
>> > Leonard
>> >
>> >
>> > On 4/21/09 5:38 PM, "amcereijo cereijo"
>> > <[email protected]> wrote:
>> >
>> > Sorry, my english is very bad.
>> > I want to know if it?s possible add a sign to a pdf file.
>> > I?m not access to certificate, i only have the content
>> > of the sign (bytes[]) and i want to add this content to pdf file.
>> >
>> > I hope that you can understant me.
>> >
>> > Thanks, ?ngel.
>> >
>> >
>> >
>> > Message: 2
>> > Date: Tue, 21 Apr 2009 15:32:42 +0200
>> > From: 1T3XT info <[email protected]>
>> > Subject: Re: [iText-questions] Add sign to pdf
>> > To: Post all your questions about iText here
>> > <[email protected]>
>> > Message-ID: <[email protected]>
>> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>> >
>> > amcereijo cereijo wrote:
>> > > Hi, now is possible to add a sign saved in a data
>> > base to pdf file?. The
>> > > sign saved is the result to signed the pdf file in a
>> > external plataform.
>> >
>> > I don't understand the question.
>> >
>> > Are you talking about digital signatures?
>> > Or just about a "sign", some "image"?
>> > You'll have to clarify.
>> >
>> > Try explaining what you want to do in pseudo code.
>> > Maybe that will be easier for us to understand.
>> > --
>> > This answer is provided by 1T3XT BVBA
>> > http://www.1t3xt.com/ - http://www.1t3xt.info
>> >
>> >
>> >
>> >
>> >
>> >
>> > --
>> > Leonard Rosenthol
>> > PDF Standards Architect
>> > Adobe Systems Incorporated
>> > -------------- next part --------------
>> > An HTML attachment was scrubbed...
>> >
>> > ------------------------------
>> >
>> > Message: 7
>> > Date: Tue, 21 Apr 2009 14:28:32 -0700 (PDT)
>> > From: mkl <[email protected]>
>> > Subject: Re: [iText-questions] Add sign to pdf
>> > To: [email protected]
>> > Message-ID: <[email protected]>
>> > Content-Type: text/plain; charset=UTF-8
>> >
>> >
>> > Maybe you should post some code representing a short
>> > form of what you
>> > actually currently do as was already suggested before.
>> >
>> > Your sentence "The sign saved is the result to signed
>> > the pdf file in a
>> > external plataform" from your first message might be
>> > interpreted in the way
>> > that you have an external signature for the PDF and
>> > somehow want to make it
>> > an integrated one. If this is the case, you
>> > unfortunately are out of luck as
>> > integrated signatures require the PDF document to be
>> > prepared in a certain
>> > way and the digest value to be calculated from certain
>> > parts of this
>> > prepared document.
>> >
>> >
>> > amcereijo cereijo wrote:
>> > >
>> > > Sorry, my english is very bad.
>> > > I want to know if it?s possible add a sign to a pdf file.
>> > > I?m not access to certificate, i only have the
>> > content of the sign
>> > > (bytes[]) and i want to add this content to pdf file.
>> > >
>> > > I hope that you can understant me.
>> > >
>> > > Thanks, ?ngel.
>> > >
>> > >
>> > >> Message: 2
>> > >> Date: Tue, 21 Apr 2009 15:32:42 +0200
>> > >> From: 1T3XT info <[email protected]>
>> > >> Subject: Re: [iText-questions] Add sign to pdf
>> > >> To: Post all your questions about iText here
>> > >> <[email protected]>
>> > >> Message-ID: <[email protected]>
>> > >> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>> > >>
>> > >> amcereijo cereijo wrote:
>> > >> > Hi, now is possible to add a sign saved in a data
>> > base to pdf file?.
>> > >> The
>> > >> > sign saved is the result to signed the pdf file in
>> > a external
>> > >> plataform.
>> > >>
>> > >> I don't understand the question.
>> > >>
>> > >> Are you talking about digital signatures?
>> > >> Or just about a "sign", some "image"?
>> > >> You'll have to clarify.
>> > >>
>> > >> Try explaining what you want to do in pseudo code.
>> > >> Maybe that will be easier for us to understand.
>>
>>
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>> ------------------------------
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>
>
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