Thank you for your reply 1T3XT BVBA. Yes IText version is 5.1.2
sorry for the mistake.
I used the libraries that you suggested and I got this exception:
Exception in thread "main" java.lang.NoSuchMethodError:
org.bouncycastle.asn1.DERSequence.<init>(Lorg/bouncycastle/asn1
/ASN1EncodableVector;)V
Any suggestions?
This is the java IText code that I am using for signing a created pdf:
String keystorePath = "certificate.pfx";
PdfReader reader = new PdfReader("c:\\prueba_itext.pdf");
ByteArrayOutputStream fout = new ByteArrayOutputStream();
//Cargar certificado de fichero PFX
KeyStore ks = KeyStore.getInstance("PKCS12","BC");
ks.load(new FileInputStream(new File(keystorePath)),
"password".toCharArray());
String alias = (String)ks.aliases().nextElement();
java.security.cert.Certificate[] chain = ks.getCertificateChain(alias);
PrivateKey pk = (PrivateKey)ks.getKey(alias, "".toCharArray());
PdfStamper stamper = PdfStamper.createSignature(reader, fout, '\0');
PdfSignatureAppearance appearance = stamper.getSignatureAppearance();
appearance.setCrypto(
pk, chain, null, PdfSignatureAppearance.WINCER_SIGNED);
stamper.close();
FileOutputStream fos = new FileOutputStream(new
File("c:\\prueba_itext_signed.pdf"));
fos.write(fout.toByteArray());
fos.flush();
fos.close();
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