com.guardtime.ksi.unisignature

Interface KSISignatureComponentFactory

All Known Implementing Classes:

InMemoryKsiSignatureComponentFactory

public interface KSISignatureComponentFactory

An interface for creating components of KSI signatures like aggregation chains and calendar authentication records.

Method Summary

Modifier and Type	Method and Description
AggregationHashChain	createAggregationHashChain(DataHash inputHash, Date aggregationTime, LinkedList<Long> indexes, LinkedList<AggregationChainLink> links, HashAlgorithm aggregationAlgorithm) Creates a new aggregation hash chain
AggregationHashChain	createAggregationHashChain(TLVElement element) Creates an aggregation hash chain from input TLV element.
CalendarAuthenticationRecord	createCalendarAuthenticationRecord(TLVElement element) Creates calendar authentication record from input TLV element.
CalendarHashChain	createCalendarHashChain(TLVElement element) Creates calendar hash chain from input TLV element.
AggregationChainLink	createLeftAggregationChainLink(AggregationChainLink link, long levelCorrection) Creates a new left aggregation hash chain link with corresponding data of given link and level.
AggregationChainLink	createLeftAggregationChainLink(byte[] metadata, long level) Creates a new left aggregation hash chain link with given metadata bytes and level.
AggregationChainLink	createLeftAggregationChainLink(DataHash siblingHash, long level) Creates a new left aggregation hash chain link with given sibling hash and level.
AggregationChainLink	createLeftAggregationChainLink(LinkMetadata identity, long level) Creates a new left aggregation hash chain link with given metadata and level.
LinkMetadata	createLinkMetadata(String clientId, String machineId, Long sequenceNumber, Long requestTime) Creates a link metadata structure.
SignaturePublicationRecord	createPublicationRecord(PublicationData publicationData, List<String> publicationReferences, List<String> publicationRepositoryURIs) Creates a signature publication record element from publication data, publication references and publication repository URI's
SignaturePublicationRecord	createPublicationRecord(TLVElement element) Creates signature publication record element from input TLV element.
RFC3161Record	createRFC3161Record(TLVElement element) Creates RFC3161 record element from input TLV element.
AggregationChainLink	createRightAggregationChainLink(AggregationChainLink link, long levelCorrection) Creates a new right aggregation hash chain link with corresponding data of given link and level.
AggregationChainLink	createRightAggregationChainLink(DataHash siblingHash, long level) Creates a new right aggregation hash chain link with given sibling hash and level.
AggregationChainLink	createRightAggregationChainLink(LinkMetadata identity, long level) Creates a new right aggregation hash chain link with given metadata and level.

Method Detail

createAggregationHashChain

AggregationHashChain createAggregationHashChain(TLVElement element)
                                         throws KSIException

Creates an aggregation hash chain from input TLV element.

Parameters:

element - instance of TLVElement. not null

Returns:

instance of AggregationHashChain

Throws:

KSIException

createAggregationHashChain

AggregationHashChain createAggregationHashChain(DataHash inputHash,
                                                Date aggregationTime,
                                                LinkedList<Long> indexes,
                                                LinkedList<AggregationChainLink> links,
                                                HashAlgorithm aggregationAlgorithm)
                                         throws KSIException

Creates a new aggregation hash chain

Throws:

KSIException

createLeftAggregationChainLink

AggregationChainLink createLeftAggregationChainLink(DataHash siblingHash,
                                                    long level)
                                             throws KSIException

Creates a new left aggregation hash chain link with given sibling hash and level.

Throws:

KSIException

createLeftAggregationChainLink

AggregationChainLink createLeftAggregationChainLink(AggregationChainLink link,
                                                    long levelCorrection)
                                             throws KSIException

Creates a new left aggregation hash chain link with corresponding data of given link and level.

Throws:

KSIException

createLeftAggregationChainLink

AggregationChainLink createLeftAggregationChainLink(LinkMetadata identity,
                                                    long level)
                                             throws KSIException

Creates a new left aggregation hash chain link with given metadata and level.

Throws:

KSIException

createLeftAggregationChainLink

AggregationChainLink createLeftAggregationChainLink(byte[] metadata,
                                                    long level)
                                             throws KSIException

Creates a new left aggregation hash chain link with given metadata bytes and level.

Throws:

KSIException

createRightAggregationChainLink

AggregationChainLink createRightAggregationChainLink(DataHash siblingHash,
                                                     long level)
                                              throws KSIException

Creates a new right aggregation hash chain link with given sibling hash and level.

Throws:

KSIException

createRightAggregationChainLink

AggregationChainLink createRightAggregationChainLink(LinkMetadata identity,
                                                     long level)
                                              throws KSIException

Creates a new right aggregation hash chain link with given metadata and level.

Throws:

KSIException

createRightAggregationChainLink

AggregationChainLink createRightAggregationChainLink(AggregationChainLink link,
                                                     long levelCorrection)
                                              throws KSIException

Creates a new right aggregation hash chain link with corresponding data of given link and level.

Throws:

KSIException

createCalendarAuthenticationRecord

CalendarAuthenticationRecord createCalendarAuthenticationRecord(TLVElement element)
                                                         throws KSIException

Creates calendar authentication record from input TLV element.

Parameters:

element - instance of TLVElement. not null

Returns:

instance of CalendarAuthenticationRecord

Throws:

KSIException - when error occurs (e.g input data is invalid)

createCalendarHashChain

CalendarHashChain createCalendarHashChain(TLVElement element)
                                   throws KSIException

Creates calendar hash chain from input TLV element.

Parameters:

element - instance of TLVElement. not null

Returns:

instance of CalendarHashChain

Throws:

KSIException - when error occurs (e.g input data is invalid)

createRFC3161Record

RFC3161Record createRFC3161Record(TLVElement element)
                           throws KSIException

Creates RFC3161 record element from input TLV element.

Parameters:

element - instance of TLVElement. not null

Returns:

instance of RFC3161Record

Throws:

KSIException - when error occurs (e.g input data is invalid)

createPublicationRecord

SignaturePublicationRecord createPublicationRecord(TLVElement element)
                                            throws KSIException

Creates signature publication record element from input TLV element.

Parameters:

element - instance of TLVElement. not null

Returns:

instance of SignaturePublicationRecord

Throws:

KSIException - when error occurs (e.g input data is invalid)

createPublicationRecord

SignaturePublicationRecord createPublicationRecord(PublicationData publicationData,
                                                   List<String> publicationReferences,
                                                   List<String> publicationRepositoryURIs)
                                            throws KSIException

Creates a signature publication record element from publication data, publication references and publication repository URI's

Throws:

KSIException

createLinkMetadata

LinkMetadata createLinkMetadata(String clientId,
                                String machineId,
                                Long sequenceNumber,
                                Long requestTime)
                         throws KSIException

Creates a link metadata structure.

Throws:

KSIException