Package org.apache.pdfbox.examples.signature

Class CreateSignedTimeStamp

java.lang.Object

org.apache.pdfbox.examples.signature.CreateSignedTimeStamp

All Implemented Interfaces:

SignatureInterface

public class CreateSignedTimeStamp
extends Object
implements 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)).

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.apache.commons.logging.Log	LOG
private final String	tsaUrl

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)
byte[]	sign(InputStream content)	Creates a cms signature for the given content
void	signDetached(File file)	Signs the given PDF file.
void	signDetached(File inFile, File outFile)	Signs the given PDF file.
void	signDetached(PDDocument document, OutputStream output)	Prepares the TimeStamp-Signature and starts the saving-process.
private static void	usage()

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.apache.commons.logging.Log LOG

tsaUrl

private final String tsaUrl

Constructor Details

CreateSignedTimeStamp

public CreateSignedTimeStamp(String tsaUrl)

Initialize the signed timestamp creator

Parameters:

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

Method Details

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(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

Description copied from interface: SignatureInterface

Creates a cms signature for the given content

Specified by:

sign in interface SignatureInterface

Parameters:

content - is the content as a (Filter)InputStream

Returns:

signature as a byte array

Throws:

IOException - if the signature could not be created

main

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

Throws:

IOException

usage

private static void usage()