org.apache.pdfbox.examples.signature

Class CreateSignedTimeStamp

java.lang.Object

org.apache.pdfbox.examples.signature.CreateSignedTimeStamp

All Implemented Interfaces:

org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureInterface

public class CreateSignedTimeStamp
extends Object
implements org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureInterface

An example for timestamp-signing a PDF for PADeS-Specification. The document will be extended by a signed TimeStamp (another kind of signature) (Signed TimeStamp and Hash-Value of the document are signed by a Time Stamp Authority (TSA)).

Author:

Thomas Chojecki, Vakhtang Koroghlishvili, John Hewson, Alexis Suter

Constructor Summary

Constructors

Constructor and Description
CreateSignedTimeStamp(String tsaUrl) Initialize the signed timestamp creator

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args)
byte[]	sign(InputStream content)
void	signDetached(File file) Signs the given PDF file.
void	signDetached(File inFile, File outFile) Signs the given PDF file.
void	signDetached(org.apache.pdfbox.pdmodel.PDDocument document, OutputStream output) Prepares the TimeStamp-Signature and starts the saving-process.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CreateSignedTimeStamp

public CreateSignedTimeStamp(String tsaUrl)

Initialize the signed timestamp creator

Parameters:

tsaUrl - The url where TS-Request will be done.

Method Detail

signDetached

public void signDetached(File file)
                  throws IOException

Signs the given PDF file. Alters the original file on disk.

Parameters:

file - the PDF file to sign

Throws:

IOException - if the file could not be read or written

signDetached

public void signDetached(File inFile,
                         File outFile)
                  throws IOException

Signs the given PDF file.

Parameters:

inFile - input PDF file

outFile - output PDF file

Throws:

IOException - if the input file could not be read

signDetached

public void signDetached(org.apache.pdfbox.pdmodel.PDDocument document,
                         OutputStream output)
                  throws IOException

Prepares the TimeStamp-Signature and starts the saving-process.

Parameters:

document - given Pdf

output - Where the file will be written

Throws:

IOException

sign

public byte[] sign(InputStream content)
            throws IOException

Specified by:

sign in interface org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureInterface

Throws:

IOException

main

public static void main(String[] args)
                 throws IOException,
                        GeneralSecurityException

Throws:

IOException

GeneralSecurityException