Admin: 1 версия

2010-06-01T05:21:10Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

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== Add Certificate to Pdf document ==



<source lang="java">
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.Certificate;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfSignatureAppearance;
import com.lowagie.text.pdf.PdfStamper;
public class MainClass {
public static void main(String[] args) throws Exception {
PdfReader reader;
KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
ks.load(new FileInputStream(".keystore"), "string".toCharArray());
PrivateKey key = (PrivateKey) ks.getKey("key", "value".toCharArray());
Certificate[] chain = ks.getCertificateChain("foobar");
reader = new PdfReader("2.pdf");
FileOutputStream os = new FileOutputStream("1.pdf");
PdfStamper stamper = PdfStamper.createSignature(reader, os, "\0");
PdfSignatureAppearance appearance = stamper.getSignatureAppearance();
appearance.setCrypto(key, chain, null, PdfSignatureAppearance.SELF_SIGNED);
appearance.setReason("personal");
appearance.setLocation("Foobar");
appearance.setVisibleSignature("yoursig");
stamper.close();
}
}</source>



== PDF with an unsigned signature field ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfAcroForm;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
document.add(new Paragraph("This is a message."));
PdfAcroForm acroForm = writer.getAcroForm();
acroForm.addSignature("yoursig", 73, 705, 149, 759);
document.close();
}
}</source>

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Admin: 1 версия

в 17:44, 31 мая 2010