Class SignatureTimeStamp

java.lang.Object

br.ufsc.labsec.signature.conformanceVerifier.xades.attributes.schema.TimeStamp

br.ufsc.labsec.signature.conformanceVerifier.xades.attributes.schema.XAdESTimeStampType

br.ufsc.labsec.signature.conformanceVerifier.xades.attributes.unsigned.SignatureTimeStamp

All Implemented Interfaces:

SignatureAttribute<Element>, Comparable

Direct Known Subclasses:

IndividualDataObjectsTimeStamp

public class SignatureTimeStamp
extends XAdESTimeStampType

Representa o carimbo do tempo sobre a assinatura. Esquema do atributo SignatureTimeStamp retirado do ETSI TS 101 903: <xsd:element name="SignatureTimeStamp" type="XAdESTimeStampType"/>

Field Summary

Fields

Modifier and Type	Field	Description
static final String	IDENTIFIER

Fields inherited from class TimeStamp

index, signatureContainer, signatureVerifier

Constructor Summary

Constructors

Constructor	Description
SignatureTimeStamp(CadesSignatureContainer signatureContainer)	Construtor usado para criar um novo carimbo do tempo
SignatureTimeStamp(AbstractVerifier signatureVerifier, Integer index)	Construtor usado para instanciar um ou mais carimbos do tempo de uma assinatura
SignatureTimeStamp(Element attributeEncoded)	Decodifica o atributo para adição de atributos ou obtenção de dados do carimbo do tempo

Method Summary

Modifier and Type	Method	Description
protected byte[]	getAttributeHash(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier)	Retorna o valor de hash da assinatura
protected String	getElementName()	Retorna o nome da tag do atributo
String	getIdentifier()	Retorna o identificador do atributo
protected boolean	isAttributeHashValid(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier, byte[] expected)
protected TimeStampVerifierInterface	makeTimeStampVerifier(boolean containsRefsTimestamp, boolean containsArchiveTimestamp)	Cria um objeto TimeStampVerifierInterface

Methods inherited from class XAdESTimeStampType

createSignerInformationVerifier, decode, getEncoded, getReport, isSigned, isUnique, validate, validate

Methods inherited from class TimeStamp

addUnsignedAttribute, buildTimeStampToken, compareTo, getContentInfo, getTimeReference

Methods inherited from class Object

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

Methods inherited from interface SignatureAttribute

getValue

Field Details

IDENTIFIER

public static final String IDENTIFIER

See Also:

• Constant Field Values

Constructor Details

SignatureTimeStamp

public SignatureTimeStamp(AbstractVerifier signatureVerifier,
 Integer index)
                   throws SignatureAttributeException

Construtor usado para instanciar um ou mais carimbos do tempo de uma assinatura

Parameters:

signatureVerifier - Usado para criar e verificar o atributo

index - Índice do atributo. Este parâmetro é usado para atributos que podem aparecer mais de uma vez

Throws:

SignatureAttributeException

SignatureTimeStamp

public SignatureTimeStamp(CadesSignatureContainer signatureContainer)

Construtor usado para criar um novo carimbo do tempo

Parameters:

signatureContainer - O conteúdo do carimbo do tempo

SignatureTimeStamp

public SignatureTimeStamp(Element attributeEncoded)
                   throws SignatureAttributeException

Decodifica o atributo para adição de atributos ou obtenção de dados do carimbo do tempo

Parameters:

attributeEncoded - O atributo codificado

Throws:

SignatureAttributeException

Method Details

getIdentifier

public String getIdentifier()

Retorna o identificador do atributo

Specified by:

getIdentifier in interface SignatureAttribute<Element>

Specified by:

getIdentifier in class TimeStamp

Returns:

O identificador do atributo

getElementName

protected String getElementName()

Retorna o nome da tag do atributo

Specified by:

getElementName in class XAdESTimeStampType

Returns:

Retorna "XAdES:SignatureTimeStamp"

getAttributeHash

protected byte[] getAttributeHash(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier)
                           throws PbadException,
NoSuchAlgorithmException

Retorna o valor de hash da assinatura

Specified by:

getAttributeHash in class TimeStamp

Parameters:

identifier - O algoritmo a ser utilizado para o cálculo de hash

Returns:

Array de bytes com valor de hash da assinatura

Throws:

PbadException - Exceção em caso de erro no cálculo

NoSuchAlgorithmException

isAttributeHashValid

protected boolean isAttributeHashValid(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier,
 byte[] expected)
                                throws PbadException

Specified by:

isAttributeHashValid in class TimeStamp

Throws:

PbadException

makeTimeStampVerifier

protected TimeStampVerifierInterface makeTimeStampVerifier(boolean containsRefsTimestamp,
 boolean containsArchiveTimestamp)
                                                    throws EncodingException,
IOException

Cria um objeto TimeStampVerifierInterface

Overrides:

makeTimeStampVerifier in class XAdESTimeStampType

Returns:

O objeto criado

Throws:

EncodingException

IOException