Package org.bouncycastle.tsp.ers

Class ERSEvidenceRecord

java.lang.Object

org.bouncycastle.tsp.ers.ERSEvidenceRecord

public class ERSEvidenceRecord
extends java.lang.Object

RFC 4998 Evidence Record.

Constructor Summary

Constructors

Constructor	Description
ERSEvidenceRecord(byte[] evidenceRecord, org.bouncycastle.operator.DigestCalculatorProvider digestCalculatorProvider)
ERSEvidenceRecord(java.io.InputStream ersIn, org.bouncycastle.operator.DigestCalculatorProvider digestCalculatorProvider)
ERSEvidenceRecord(org.bouncycastle.asn1.tsp.EvidenceRecord evidenceRecord, org.bouncycastle.operator.DigestCalculatorProvider digestCalculatorProvider)

Method Summary

Modifier and Type	Method	Description
TimeStampRequest	generateHashRenewalRequest(org.bouncycastle.operator.DigestCalculator digCalc, ERSData data, TimeStampRequestGenerator tspReqGen)
TimeStampRequest	generateHashRenewalRequest(org.bouncycastle.operator.DigestCalculator digCalc, ERSData data, TimeStampRequestGenerator tspReqGen, java.math.BigInteger nonce)
TimeStampRequest	generateTimeStampRenewalRequest(TimeStampRequestGenerator tspReqGen)
TimeStampRequest	generateTimeStampRenewalRequest(TimeStampRequestGenerator tspReqGen, java.math.BigInteger nonce)
byte[]	getEncoded()	return the ASN.1 encoded representation of this object.
byte[]	getPrimaryRootHash()	Return the timestamp imprint for the initial ArchiveTimeStamp in this evidence record.
X509CertificateHolder	getSigningCertificate()	Return the TimeStamp signing certificate if it is present.
boolean	isContaining(ERSData data, java.util.Date date)	Return true if the hash of data appears in the primary archive time stamp for the current chain.
boolean	isRelatedTo(ERSEvidenceRecord er)	Return true if this evidence record is related to the passed in one.
ERSEvidenceRecord	renewHash(org.bouncycastle.operator.DigestCalculator digCalc, ERSData data, TimeStampResponse tspResp)
ERSEvidenceRecord	renewTimeStamp(TimeStampResponse tspResp)
org.bouncycastle.asn1.tsp.EvidenceRecord	toASN1Structure()
void	validate(SignerInformationVerifier verifier)	Validate the current time stamp associated with this evidence record.
void	validatePresent(boolean isDataGroup, byte[] hash, java.util.Date atDate)	Validate that a particular data object/group is present by hash.
void	validatePresent(ERSData data, java.util.Date atDate)	Validate that a particular data object/group is present.

Methods inherited from class java.lang.Object

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

Constructor Detail

ERSEvidenceRecord

public ERSEvidenceRecord(java.io.InputStream ersIn,
                         org.bouncycastle.operator.DigestCalculatorProvider digestCalculatorProvider)
                  throws TSPException,
                         ERSException,
                         java.io.IOException

Throws:

TSPException

ERSException

java.io.IOException

ERSEvidenceRecord

public ERSEvidenceRecord(byte[] evidenceRecord,
                         org.bouncycastle.operator.DigestCalculatorProvider digestCalculatorProvider)
                  throws TSPException,
                         ERSException

Throws:

TSPException

ERSException

ERSEvidenceRecord

public ERSEvidenceRecord(org.bouncycastle.asn1.tsp.EvidenceRecord evidenceRecord,
                         org.bouncycastle.operator.DigestCalculatorProvider digestCalculatorProvider)
                  throws TSPException,
                         ERSException

Throws:

TSPException

ERSException

Method Detail

getPrimaryRootHash

public byte[] getPrimaryRootHash()
                          throws TSPException,
                                 ERSException

Return the timestamp imprint for the initial ArchiveTimeStamp in this evidence record.

Returns:

initial hash root.

Throws:

TSPException

ERSException

isRelatedTo

public boolean isRelatedTo(ERSEvidenceRecord er)

Return true if this evidence record is related to the passed in one.

Parameters:

er - the evidence record to be checked.

Returns:

true if the primary time stamp has the same value, false otherwise.

isContaining

public boolean isContaining(ERSData data,
                            java.util.Date date)
                     throws ERSException

Return true if the hash of data appears in the primary archive time stamp for the current chain.

Parameters:

data - the data of interest.

Returns:

Throws:

ERSException

validatePresent

public void validatePresent(ERSData data,
                            java.util.Date atDate)
                     throws ERSException

Validate that a particular data object/group is present.

Parameters:

data - the data object/group.

atDate - date at which data is supposed to be valid.

Throws:

ERSException - if the object cannot be found or the record is invalid.

validatePresent

public void validatePresent(boolean isDataGroup,
                            byte[] hash,
                            java.util.Date atDate)
                     throws ERSException

Validate that a particular data object/group is present by hash.

Parameters:

isDataGroup - true if hash represents a data group.

hash - expected hash value

atDate - date at which value is supposed to be valid.

Throws:

ERSException - if the object cannot be found or the record is invalid.

getSigningCertificate

public X509CertificateHolder getSigningCertificate()

Return the TimeStamp signing certificate if it is present.

Returns:

the TimeStamp signing certificate.

validate

public void validate(SignerInformationVerifier verifier)
              throws TSPException

Validate the current time stamp associated with this evidence record.

Parameters:

verifier - signer verifier for the contained time stamp.

Throws:

TSPException - in case of validation failure or error.

toASN1Structure

public org.bouncycastle.asn1.tsp.EvidenceRecord toASN1Structure()

getEncoded

public byte[] getEncoded()
                  throws java.io.IOException

return the ASN.1 encoded representation of this object.

Throws:

java.io.IOException

generateTimeStampRenewalRequest

public TimeStampRequest generateTimeStampRenewalRequest(TimeStampRequestGenerator tspReqGen)
                                                 throws TSPException,
                                                        ERSException

Throws:

TSPException

ERSException

generateTimeStampRenewalRequest

public TimeStampRequest generateTimeStampRenewalRequest(TimeStampRequestGenerator tspReqGen,
                                                        java.math.BigInteger nonce)
                                                 throws ERSException,
                                                        TSPException

Throws:

ERSException

TSPException

renewTimeStamp

public ERSEvidenceRecord renewTimeStamp(TimeStampResponse tspResp)
                                 throws ERSException,
                                        TSPException

Throws:

ERSException

TSPException

generateHashRenewalRequest

public TimeStampRequest generateHashRenewalRequest(org.bouncycastle.operator.DigestCalculator digCalc,
                                                   ERSData data,
                                                   TimeStampRequestGenerator tspReqGen)
                                            throws ERSException,
                                                   TSPException,
                                                   java.io.IOException

Throws:

ERSException

TSPException

java.io.IOException

generateHashRenewalRequest

public TimeStampRequest generateHashRenewalRequest(org.bouncycastle.operator.DigestCalculator digCalc,
                                                   ERSData data,
                                                   TimeStampRequestGenerator tspReqGen,
                                                   java.math.BigInteger nonce)
                                            throws ERSException,
                                                   TSPException,
                                                   java.io.IOException

Throws:

ERSException

TSPException

java.io.IOException

renewHash

public ERSEvidenceRecord renewHash(org.bouncycastle.operator.DigestCalculator digCalc,
                                   ERSData data,
                                   TimeStampResponse tspResp)
                            throws ERSException,
                                   TSPException

Throws:

ERSException

TSPException