Package br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.unsigned

Class IdAaEtsArchiveTimestampV3

java.lang.Object

br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.TimeStamp<org.bouncycastle.asn1.cms.Attribute>

br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.unsigned.TimeStampToken

br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.unsigned.IdAaEtsArchiveTimestampV3

All Implemented Interfaces:

SignatureAttribute<org.bouncycastle.asn1.cms.Attribute>, Comparable<TimeStamp<org.bouncycastle.asn1.cms.Attribute>>

public class IdAaEtsArchiveTimestampV3
extends TimeStampToken

O atributo IdAaEtsArchiveTimestampV3 representa o carimbo do tempo de arquivamento.

Oid e esquema do atributo id-aa-ets-archiveTimestampV3 retirado do documento ETSI EN 319 122-1 V1.2.1

 id-aa-ets-archiveTimestampV3 OBJECT IDENTIFIER ::= { itu-t(0) identified-organization(4)
 etsi(0) electronic-signature-standard(1733) attributes(2) 4 }

 ArchiveTimeStampToken ::= TimeStampToken

 ATSHashIndexV3 ::= SEQUENCE {
  hashIndAlgorithm AlgorithmIdentifier,
  certificatesHashIndex SEQUENCE OF OCTET STRING,
  crlsHashIndex SEQUENCE OF OCTET STRING,
  unsignedAttrValuesHashIndex SEQUENCE OF OCTET STRING
 }
 

Field Summary

Fields

Modifier and Type	Field	Description
ATSHashIndexV3	hashIndex
static String	IDENTIFIER

Fields inherited from class br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.unsigned.TimeStampToken

FAILURE_TO_VALIDATE_TIMESTAMP, INVALID_ASYMMETRIC_CIPHER_ERROR, INVALID_TIMESTAMP_ERROR

Fields inherited from class br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.TimeStamp

contentInfo

Constructor Summary

Constructors

Constructor	Description
IdAaEtsArchiveTimestampV3(AbstractVerifier signatureVerifier, Integer index)
IdAaEtsArchiveTimestampV3(org.bouncycastle.asn1.cms.Attribute genericEncoding)	Constrói um objeto IdAaEtsArchiveTimestampV3
IdAaEtsArchiveTimestampV3(org.bouncycastle.asn1.cms.ContentInfo contentInfo)	Constrói um objeto IdAaEtsArchiveTimestampV3 a partir de um ContentInfo.

Method Summary

Modifier and Type	Method	Description
protected byte[]	getAttributeHash(String hashAlgorithmId, boolean hashWithoutTag)	Calcula o hash do atributo
protected byte[]	getAttributeHash(org.bouncycastle.asn1.ASN1ObjectIdentifier identifier, boolean hashWithoutTag)
String	getIdentifier()	Obtém o identificador do atributo
protected boolean	isAttributeHashValid(String identifier, boolean hashWithoutTag, byte[] expected)

Methods inherited from class br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.unsigned.TimeStampToken

createSignerInformationVerifier, getArchiveTimeStampContentInfo, getAttributeHash, getEncoded, isAnyAttributeHashValid, isAttributeHashValid, isSigned, isUnique, makeTimeStampVerifier, validate, validate

Methods inherited from class br.ufsc.labsec.signature.conformanceVerifier.cades.attributes.TimeStamp

addUnsignedAttribute, buildTimeStampToken, compareTo, contentInfoToSignatureContainer, getAttributeList, getContentInfo, getEncodedAttribute, getEncodedAttribute, getTimeReference, removeUnsignedAttribute, replaceUnsignedAttribute

Methods inherited from class java.lang.Object

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

Methods inherited from interface br.ufsc.labsec.signature.conformanceVerifier.common.SignatureAttribute

getValue

Field Details

IDENTIFIER

public static final String IDENTIFIER

See Also:

Constant Field Values

hashIndex

public ATSHashIndexV3 hashIndex

Constructor Details

IdAaEtsArchiveTimestampV3

public IdAaEtsArchiveTimestampV3(org.bouncycastle.asn1.cms.Attribute genericEncoding)
                          throws SignatureAttributeException

Constrói um objeto IdAaEtsArchiveTimestampV3

Parameters:

genericEncoding - O atributo codificado.

Throws:

SignatureAttributeException

IdAaEtsArchiveTimestampV3

public IdAaEtsArchiveTimestampV3(org.bouncycastle.asn1.cms.ContentInfo contentInfo)
                          throws SignatureAttributeException

Constrói um objeto IdAaEtsArchiveTimestampV3 a partir de um ContentInfo.

Parameters:

contentInfo - O conteúdo do carimbo do tempo

Throws:

SignatureAttributeException

IdAaEtsArchiveTimestampV3

public IdAaEtsArchiveTimestampV3(AbstractVerifier signatureVerifier,
Integer index)
                          throws SignatureAttributeException

Throws:

SignatureAttributeException

Method Details

getAttributeHash

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

Throws:

NoSuchAlgorithmException

PbadException

getAttributeHash

protected byte[] getAttributeHash(String hashAlgorithmId,
boolean hashWithoutTag)
                           throws PbadException,
NoSuchAlgorithmException

Description copied from class: TimeStampToken

Calcula o hash do atributo

Specified by:

getAttributeHash in class TimeStampToken

Parameters:

hashAlgorithmId - O algoritmo utilizado

hashWithoutTag - Indica a forma de cálculo da hash, de acordo com as notas 2 e 3 da pagina 109 do ETSI TS 101 733 V2.2.1. Se verdadeiro indica que o calculo é feito sem incluir tag e length.

Returns:

O valor de hash do atributo

Throws:

PbadException - Exceção em caso de erro durante o cálculo

NoSuchAlgorithmException

isAttributeHashValid

protected boolean isAttributeHashValid(String identifier,
boolean hashWithoutTag,
byte[] expected)

Specified by:

isAttributeHashValid in class TimeStampToken

getIdentifier

public String getIdentifier()

Description copied from class: TimeStamp

Obtém o identificador do atributo

Specified by:

getIdentifier in interface SignatureAttribute<org.bouncycastle.asn1.cms.Attribute>

Specified by:

getIdentifier in class TimeStamp<org.bouncycastle.asn1.cms.Attribute>

Returns:

O identificador do atributo