net.jsign.timestamp

Class Timestamper

java.lang.Object

net.jsign.timestamp.Timestamper

Direct Known Subclasses:

AuthenticodeTimestamper, RFC3161Timestamper

public abstract class Timestamper
extends Object

Interface for a timestamping service.

Since:

1.3

Author:

Emmanuel Bourg

Field Summary

Fields

Modifier and Type	Field and Description
protected int	retries The number of retries
protected int	retryWait Seconds to wait between retries
protected URL	tsaurl The URL of the current timestamping service
protected List<URL>	tsaurls The URLs of the timestamping services

Constructor Summary

Constructors

Constructor and Description
Timestamper()

Method Summary

Modifier and Type	Method and Description
static Timestamper	create(TimestampingMode mode) Returns the timestamper for the specified mode.
protected Collection<X509CertificateHolder>	getExtraCertificates(CMSSignedData token) Return the certificate chain of the timestamping authority if it isn't included with the counter signature in the unsigned attributes.
protected abstract AttributeTable	getUnsignedAttributes(CMSSignedData token) Return the counter signature to be added as an unsigned attribute.
protected CMSSignedData	modifySignedData(CMSSignedData sigData, AttributeTable unsignedAttributes, Collection<X509CertificateHolder> extraCertificates)
void	setRetries(int retries) Set the number of retries.
void	setRetryWait(int retryWait) Set the number of seconds to wait between retries.
void	setURL(String tsaurl)
void	setURLs(String... tsaurls)
protected abstract CMSSignedData	timestamp(DigestAlgorithm algo, byte[] encryptedDigest)
CMSSignedData	timestamp(DigestAlgorithm algo, CMSSignedData sigData) Timestamp the specified signature.

Methods inherited from class java.lang.Object

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

Field Detail

retries

protected int retries

The number of retries

retryWait

protected int retryWait

Seconds to wait between retries

tsaurl

protected URL tsaurl

The URL of the current timestamping service

tsaurls

protected List<URL> tsaurls

The URLs of the timestamping services

Constructor Detail

Timestamper

public Timestamper()

Method Detail

create

public static Timestamper create(TimestampingMode mode)

Returns the timestamper for the specified mode.

getExtraCertificates

protected Collection<X509CertificateHolder> getExtraCertificates(CMSSignedData token)

Return the certificate chain of the timestamping authority if it isn't included with the counter signature in the unsigned attributes.

getUnsignedAttributes

protected abstract AttributeTable getUnsignedAttributes(CMSSignedData token)

Return the counter signature to be added as an unsigned attribute.

modifySignedData

protected CMSSignedData modifySignedData(CMSSignedData sigData,
                                         AttributeTable unsignedAttributes,
                                         Collection<X509CertificateHolder> extraCertificates)
                                  throws IOException,
                                         CMSException

Throws:

IOException

CMSException

setRetries

public void setRetries(int retries)

Set the number of retries.

setRetryWait

public void setRetryWait(int retryWait)

Set the number of seconds to wait between retries.

setURL

public void setURL(String tsaurl)

setURLs

public void setURLs(String... tsaurls)

Since:

2.0

timestamp

protected abstract CMSSignedData timestamp(DigestAlgorithm algo,
                                           byte[] encryptedDigest)
                                    throws IOException,
                                           CMSException,
                                           TimestampingException

Throws:

IOException

CMSException

TimestampingException

timestamp

public CMSSignedData timestamp(DigestAlgorithm algo,
                               CMSSignedData sigData)
                        throws IOException,
                               CMSException

Timestamp the specified signature.

Parameters:

algo - the digest algorithm used for the timestamp

sigData - the signed data to be timestamped

Returns:

the signed data with the timestamp added

Throws:

IOException

CMSException