Package 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].

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.bouncycastle.operator.DigestAlgorithmIdentifierFinder	ALGORITHM_OID_FINDER
private final MessageDigest	digest
private static final org.apache.commons.logging.Log	LOG
private final String	password
private static final Random	RANDOM
private final URL	url
private final String	username

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
org.bouncycastle.tsp.TimeStampToken	getTimeStampToken(InputStream content)
private byte[]	getTSAResponse(byte[] request)

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

ALGORITHM_OID_FINDER

private static final org.bouncycastle.operator.DigestAlgorithmIdentifierFinder ALGORITHM_OID_FINDER

url

private final URL url

username

private final String username

password

private final String password

digest

private final MessageDigest digest

RANDOM

private static final Random RANDOM

Constructor Details

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 Details

getTimeStampToken

public org.bouncycastle.tsp.TimeStampToken getTimeStampToken(InputStream content)
                                                      throws IOException

Parameters:

content -

Returns:

the 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

getTSAResponse

private byte[] getTSAResponse(byte[] request)
                       throws IOException

Throws:

IOException