Uses of Class
com.guardtime.ksi.hashing.DataHash

Packages that use DataHash

Package	Description
com.guardtime.ksi	KSI API interface
com.guardtime.ksi.blocksigner	Classes and interfaces to create multiple signatures with one signing request
com.guardtime.ksi.hashing	Classes to create and represent data hashes
com.guardtime.ksi.pdu	PDU (Protocol Data Unit) interfaces
com.guardtime.ksi.pdu.v2	PDU v2 implementation
com.guardtime.ksi.publication	Interfaces to decode and encode publications files
com.guardtime.ksi.service	Classes and interfaces to sign and extend, advanced version
com.guardtime.ksi.service.ha	High Availability KSI service, combines other services to achieve redundancy
com.guardtime.ksi.tlv	Classes and interfaces to decode and encode TLV elements
com.guardtime.ksi.tree	Classes and interfaces to build a hash tree
com.guardtime.ksi.unisignature	Interfaces to decode and encode KSI signatures
com.guardtime.ksi.unisignature.inmemory	Classes to decode and encode in-memory KSI signatures
com.guardtime.ksi.unisignature.verifier	Classes and interfaces to verify KSI signatures

Uses of DataHash in com.guardtime.ksi

Methods in com.guardtime.ksi with parameters of type DataHash

Modifier and Type	Method and Description
Future<KSISignature>	Signer.asyncSign(DataHash dataHash) Signs the data hash asynchronously.
Future<KSISignature>	Signer.asyncSign(DataHash dataHash, long level) This method is used to sign data hash asynchronously with user provided aggregation tree height.
KSISignature	Signer.sign(DataHash dataHash) Signs the data hash.
KSISignature	Signer.sign(DataHash dataHash, long level) Signs the data hash with user provided aggregation tree height.
VerificationResult	SignatureVerifier.verify(KSISignature signature, DataHash documentHash, ContextAwarePolicy policy)
VerificationResult	Verifier.verify(KSISignature signature, DataHash documentHash, ContextAwarePolicy policy) Verifies the KSI signature.
VerificationResult	SignatureVerifier.verify(KSISignature signature, DataHash documentHash, Long level, ContextAwarePolicy policy)
VerificationResult	Verifier.verify(KSISignature signature, DataHash documentHash, Long level, ContextAwarePolicy policy) Verifies the KSI signature.
VerificationResult	KSI.verify(KSISignature signature, Policy policy, DataHash documentHash) Verifies the KSI signature.
VerificationResult	KSI.verify(KSISignature signature, Policy policy, DataHash documentHash, PublicationData publicationData) Verifies the KSI signature.

Constructors in com.guardtime.ksi with parameters of type DataHash

Constructor and Description
SigningFuture(Future<AggregationResponse> aggregationResponseFuture, KSISignatureFactory signatureFactory, DataHash inputHash)
SigningFuture(Future<AggregationResponse> aggregationResponseFuture, KSISignatureFactory signatureFactory, DataHash inputHash, long level)

Uses of DataHash in com.guardtime.ksi.blocksigner

Methods in com.guardtime.ksi.blocksigner with parameters of type DataHash

Modifier and Type	Method and Description
boolean	BlockSigner.add(DataHash dataHash) Adds a new hash to the signer.
boolean	KsiBlockSigner.add(DataHash dataHash) Adds a hash to the KsiBlockSigner.
boolean	BlockSigner.add(DataHash dataHash, IdentityMetadata metadata) Adds a new hash and metadata to the signer.
boolean	KsiBlockSigner.add(DataHash dataHash, IdentityMetadata metadata) Adds a hash and a signature metadata to the KsiBlockSigner.
boolean	BlockSigner.add(DataHash dataHash, long level, IdentityMetadata metadata) Adds a new hash, level, and metadata to the signer.
boolean	KsiBlockSigner.add(DataHash dataHash, long level, IdentityMetadata metadata) Adds a hash (with specific level) and a signature metadata to the KsiBlockSigner.

Uses of DataHash in com.guardtime.ksi.hashing

Methods in com.guardtime.ksi.hashing that return DataHash

Modifier and Type	Method and Description
DataHash	DataHasher.getHash() Gets the final hash value for the digest.

Methods in com.guardtime.ksi.hashing with parameters of type DataHash

Modifier and Type	Method and Description
DataHasher	DataHasher.addData(DataHash dataHash) Adds getImprint() to the digest.

Uses of DataHash in com.guardtime.ksi.pdu

Methods in com.guardtime.ksi.pdu with parameters of type DataHash

Modifier and Type	Method and Description
AggregationRequest	AggregatorPduFactory.createAggregationRequest(KSIRequestContext context, ServiceCredentials credentials, DataHash imprint, Long level) Creates a new aggregation request.

Uses of DataHash in com.guardtime.ksi.pdu.v2

Methods in com.guardtime.ksi.pdu.v2 with parameters of type DataHash

Modifier and Type	Method and Description
AggregationRequest	AggregatorPduV2Factory.createAggregationRequest(KSIRequestContext context, ServiceCredentials credentials, DataHash imprint, Long level)
AggregationRequest	PduV2Factory.createAggregationRequest(KSIRequestContext context, ServiceCredentials credentials, DataHash imprint, Long level)

Uses of DataHash in com.guardtime.ksi.publication

Methods in com.guardtime.ksi.publication that return DataHash

Modifier and Type	Method and Description
DataHash	PublicationData.getPublicationDataHash()

Constructors in com.guardtime.ksi.publication with parameters of type DataHash

Constructor and Description
PublicationData(Date publicationTime, DataHash publicationHash) Creates a new instance of publication data using publication time and publication hash.

Uses of DataHash in com.guardtime.ksi.service

Methods in com.guardtime.ksi.service with parameters of type DataHash

Modifier and Type	Method and Description
Future<AggregationResponse>	KSISigningClientServiceAdapter.sign(DataHash dataHash, Long level)
Future<AggregationResponse>	KSISigningService.sign(DataHash dataHash, Long level) Creates a new KSI signature.

Uses of DataHash in com.guardtime.ksi.service.ha

Methods in com.guardtime.ksi.service.ha with parameters of type DataHash

Modifier and Type	Method and Description
Future<AggregationResponse>	SigningHAService.sign(DataHash dataHash, Long level) Creates a non-blocking signing request.
Future<AggregationResponse>	HAService.sign(DataHash dataHash, Long level)

Uses of DataHash in com.guardtime.ksi.tlv

Methods in com.guardtime.ksi.tlv that return DataHash

Modifier and Type	Method and Description
DataHash	TLVElement.getDecodedDataHash() Converts TLV element content data to DataHash object.

Methods in com.guardtime.ksi.tlv with parameters of type DataHash

Modifier and Type	Method and Description
static TLVElement	TLVElement.create(int type, DataHash value) Creates TLV element with DataHash content.
void	TLVElement.setDataHashContent(DataHash dataHash)

Uses of DataHash in com.guardtime.ksi.tree

Methods in com.guardtime.ksi.tree that return DataHash

Modifier and Type	Method and Description
DataHash	BlindingMaskLinkingHashTreeBuilder.getLastNodeHash() Returns the last leaf hash of this block/tree (for linking next block/tree).
static DataHash	Util.hash(HashAlgorithm hashAlgorithm, byte[] left, byte[] right, long level) Calculates a data hash using the following formula: H(left||right||Util.encodeUnsignedLong(level)) where H is a cryptographic hash function defined by hashAlgorithm.

Constructors in com.guardtime.ksi.tree with parameters of type DataHash

Constructor and Description
BlindingMaskLinkingHashTreeBuilder(byte[] initializationVector, DataHash previousBlockHash) Creates an instance of BlindingMaskLinkingHashTreeBuilder using Util.DEFAULT_AGGREGATION_ALGORITHM hash algorithm and a DataHash from previous block.
BlindingMaskLinkingHashTreeBuilder(HashAlgorithm algorithm, byte[] initializationVector, DataHash previousBlockHash) Creates an instance of BlindingMaskLinkingHashTreeBuilder.
BlindingMaskLinkingHashTreeBuilder(HashAlgorithm algorithm, byte[] initializationVector, DataHash previousBlockHash, TreeBuilder<ImprintNode> treeBuilder) Creates an instance of BlindingMaskLinkingHashTreeBuilder.
ImprintNode(DataHash value) Creates a new leaf node with given hash and level 0.
ImprintNode(DataHash value, long level) Creates a leaf node with given hash and level.
ImprintNode(ImprintNode leftChild, ImprintNode rightChild, DataHash value, long level) Creates a non-leaf node.

Uses of DataHash in com.guardtime.ksi.unisignature

Methods in com.guardtime.ksi.unisignature that return DataHash

Modifier and Type	Method and Description
DataHash	CalendarHashChainLink.calculateChainStep(DataHash previous)
DataHash	CalendarHashChainLink.getDataHash()
DataHash	CalendarHashChain.getInputHash() Returns the input hash of the calendar hash chain
DataHash	KSISignature.getInputHash() If RFC3161 compatibility record is present then RFC3161 input hash will be returned.
DataHash	RFC3161Record.getInputHash() Returns the RFC3161 record input data hash
DataHash	AggregationHashChain.getInputHash() Returns the input hash for the computation specified by the aggregation hash chain
DataHash	CalendarHashChain.getOutputHash() Returns the output hash of the calendar hash chain
DataHash	AggregationHashChain.getOutputHash() Returns the output hash
DataHash	ChainResult.getOutputHash() Returns output hash
DataHash	RFC3161Record.getOutputHash(HashAlgorithm hashAlgorithm) Returns the RFC3161 record output data hash

Methods in com.guardtime.ksi.unisignature with parameters of type DataHash

Modifier and Type	Method and Description
DataHash	CalendarHashChainLink.calculateChainStep(DataHash previous)
AggregationHashChain	KSISignatureComponentFactory.createAggregationHashChain(DataHash inputHash, Date aggregationTime, LinkedList<Long> indexes, LinkedList<AggregationChainLink> links, HashAlgorithm aggregationAlgorithm) Creates a new aggregation hash chain
AggregationChainLink	KSISignatureComponentFactory.createLeftAggregationChainLink(DataHash siblingHash, long level) Creates a new left aggregation hash chain link with given sibling hash and level.
AggregationChainLink	KSISignatureComponentFactory.createRightAggregationChainLink(DataHash siblingHash, long level) Creates a new right aggregation hash chain link with given sibling hash and level.
KSISignature	KSISignatureFactory.createSignature(KSISignature signature, AggregationHashChain aggregationHashChain, DataHash originalInputHash) Creates a signature by prepending lower aggregation hash chain to a signature.
KSISignature	KSISignatureFactory.createSignature(TLVElement element, DataHash originalInputHash) Creates a signature from input TLV element.
KSISignature	KSISignatureFactory.createSignature(TLVElement element, DataHash originalInputHash, long level) Creates a signature from input TLV element.

Uses of DataHash in com.guardtime.ksi.unisignature.inmemory

Methods in com.guardtime.ksi.unisignature.inmemory with parameters of type DataHash

Modifier and Type	Method and Description
AggregationHashChain	InMemoryKsiSignatureComponentFactory.createAggregationHashChain(DataHash inputHash, Date aggregationTime, LinkedList<Long> indexes, LinkedList<AggregationChainLink> links, HashAlgorithm aggregationAlgorithm)
AggregationChainLink	InMemoryKsiSignatureComponentFactory.createLeftAggregationChainLink(DataHash siblingHash, long levelCorrection)
AggregationChainLink	InMemoryKsiSignatureComponentFactory.createRightAggregationChainLink(DataHash siblingHash, long levelCorrection)
KSISignature	InMemoryKsiSignatureFactory.createSignature(KSISignature signature, AggregationHashChain aggregationHashChain, DataHash originalInputHash)
KSISignature	InMemoryKsiSignatureFactory.createSignature(TLVElement element, DataHash inputHash)
KSISignature	InMemoryKsiSignatureFactory.createSignature(TLVElement element, DataHash inputHash, long level)

Uses of DataHash in com.guardtime.ksi.unisignature.verifier

Methods in com.guardtime.ksi.unisignature.verifier that return DataHash

Modifier and Type	Method and Description
DataHash	VerificationContext.getDocumentHash() Returns the document hash provided by the user or calculated from the input data.

Methods in com.guardtime.ksi.unisignature.verifier with parameters of type DataHash

Modifier and Type	Method and Description
VerificationContextBuilder	VerificationContextBuilder.setDocumentHash(DataHash documentHash) Used to set the hash of the original document.
VerificationContextBuilder	VerificationContextBuilder.setDocumentHash(DataHash documentHash, Long level) Used to set the hash and local aggregation tree height.