org.apache.pdfbox.examples.signature

Class TSAClient

java.lang.Object

org.apache.pdfbox.examples.signature.TSAClient

public class TSAClient
extends Object

Time Stamping Authority (TSA) Client [RFC 3161].

Author:

Vakhtang Koroghlishvili, John Hewson

Constructor Summary

Constructors

Constructor and Description
TSAClient(URL url, String username, String password, MessageDigest digest)

Method Summary

Modifier and Type	Method and Description
byte[]	getTimeStampToken(byte[] messageImprint)

Methods inherited from class java.lang.Object

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

Constructor Detail

TSAClient

public TSAClient(URL url,
                 String username,
                 String password,
                 MessageDigest digest)

Parameters:

url - the URL of the TSA service

username - user name of TSA

password - password of TSA

digest - the message digest to use

Method Detail

getTimeStampToken

public byte[] getTimeStampToken(byte[] messageImprint)
                         throws IOException

Parameters:

messageImprint - imprint of message contents

Returns:

the encoded time stamp token

Throws:

IOException - if there was an error with the connection or data from the TSA server, or if the time stamp response could not be validated