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org.apache.pdfbox.examples.signature

public Class TSAClient

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

Authors: Vakhtang Koroghlishvili, John Hewson

Field Summary

Modifier and Type	Field and Description
private static final DigestAlgorithmIdentifierFinder	ALGORITHM_OID_FINDER
private final MessageDigest	digest
private static final Log	LOG
private final String	password
private static final Random	RANDOM
private final URL	url
private final String	username

Constructor Summary

Access	Constructor and Description
public	TSAClient(URL the URL of the TSA service url, String user name of TSA username, String password of TSA password, MessageDigest the message digest to use digest)

Method Summary

Modifier and Type	Method and Description
public TimeStampToken	Returns: the time stamp token getTimeStampToken(InputStream content)
private byte[]	getTSAResponse(byte[] request)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

ALGORITHM_OID_FINDER	back to summary
private static final DigestAlgorithmIdentifierFinder ALGORITHM_OID_FINDER

digest	back to summary
private final MessageDigest digest

LOG	back to summary
private static final Log LOG

password	back to summary
private final String password

RANDOM	back to summary
private static final Random RANDOM

url	back to summary
private final URL url

username	back to summary
private final String username

Constructor Detail

TSAClient	back to summary
public TSAClient(URL url, String username, String password, MessageDigest digest) Parameters url:URL the URL of the TSA service username:String user name of TSA password:String password of TSA digest:MessageDigest the message digest to use

Method Detail

getTimeStampToken	back to summary
public TimeStampToken getTimeStampToken(InputStream content) throws IOException Returns:TimeStampToken the time stamp token Exceptions 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	back to summary
private byte[] getTSAResponse(byte[] request) throws IOException