org.demoiselle.signer.timestamp

Class TimestampGeneratorImpl

java.lang.Object

org.demoiselle.signer.timestamp.TimestampGeneratorImpl

All Implemented Interfaces:

TimeStampGenerator

public class TimestampGeneratorImpl
extends Object
implements TimeStampGenerator

Methods for generate a TimeStamp based on Timestamping Authority (TSA) service RFC 3161.

Constructor Summary

Constructors

Constructor and Description
TimestampGeneratorImpl()

Method Summary

Modifier and Type	Method and Description
byte[]	generateTimeStamp() Sends the time stamp request to a time stamp server
void	initialize(byte[] content, PrivateKey privateKey, Certificate[] certificates, byte[] hash) Initializes the attributes needed to get the time stamp
void	validateTimeStamp(byte[] content, byte[] timestamp, byte[] hash) Validate a time stamp and the original content

Methods inherited from class java.lang.Object

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

Constructor Detail

TimestampGeneratorImpl

public TimestampGeneratorImpl()

Method Detail

initialize

public void initialize(byte[] content,
                       PrivateKey privateKey,
                       Certificate[] certificates,
                       byte[] hash)
                throws CertificateCoreException

Initializes the attributes needed to get the time stamp

Specified by:

initialize in interface TimeStampGenerator

Parameters:

content - if it is assigned, the parameter hash must to be null

privateKey - private key for signing of timestamp

certificates - certificate chain

hash - if it is assigned, the parameter content must to be null

Throws:

CertificateCoreException - exception

generateTimeStamp

public byte[] generateTimeStamp()
                         throws CertificateCoreException

Sends the time stamp request to a time stamp server

Specified by:

generateTimeStamp in interface TimeStampGenerator

Returns:

The time stamp returned by the server

Throws:

CertificateCoreException

validateTimeStamp

public void validateTimeStamp(byte[] content,
                              byte[] timestamp,
                              byte[] hash)
                       throws CertificateCoreException

Validate a time stamp and the original content

Specified by:

validateTimeStamp in interface TimeStampGenerator

Parameters:

content - content to be validated

timestamp - timestamp

hash - hash

Throws:

CertificateCoreException