Module jpms_dss_spi
Package eu.europa.esig.dss.spi.x509.tsp

Class TimestampToken

java.lang.Object
eu.europa.esig.dss.model.x509.Token
eu.europa.esig.dss.spi.x509.tsp.TimestampToken
All Implemented Interfaces:
eu.europa.esig.dss.model.identifier.IdentifierBasedObject, Serializable
public class TimestampToken extends eu.europa.esig.dss.model.x509.Token
SignedToken containing a TimeStamp.
See Also:

  • Field Summary

    Fields inherited from class eu.europa.esig.dss.model.x509.Token

    publicKeyOfTheSigner, signatureAlgorithm, signatureInvalidityReason, signatureValidity

  • Constructor Summary

    Constructors
    Constructor
    Description
    TimestampToken(byte[] binaries, eu.europa.esig.dss.enumerations.TimestampType type)
    Default constructor
    TimestampToken(byte[] binaries, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences)
    Default constructor with timestamped references
    TimestampToken(byte[] binaries, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences, TimestampIdentifierBuilder identifierBuilder)
    Default constructor with timestamped references and identifier builder
    TimestampToken(org.bouncycastle.cms.CMSSignedData cms, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences)
    Constructor from CMS with timestamped references
    TimestampToken(org.bouncycastle.cms.CMSSignedData cms, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences, TimestampIdentifierBuilder identifierBuilder)
    Constructor from CMS with timestamped references and identifier builder
    TimestampToken(org.bouncycastle.tsp.TimeStampToken timeStamp, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences)
    Constructor with an indication of the timestamp type and time-stamped references.
    TimestampToken(org.bouncycastle.tsp.TimeStampToken timeStamp, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences, TimestampIdentifierBuilder identifierBuilder)
    Constructor with an indication of the timestamp type, time-stamped references and an identifier builder.

  • Method Summary

    Modifier and Type
    Method
    Description
    protected boolean
    areReferenceValidationsValid()
    This method verifies whether the corresponding reference validations are valid
    protected eu.europa.esig.dss.model.identifier.TokenIdentifier
    buildTokenIdentifier()
     
    protected eu.europa.esig.dss.enumerations.SignatureValidity
    checkIsSignedBy(eu.europa.esig.dss.model.x509.CertificateToken candidate)
    Checks if timestamp is signed by teh given certificate
    protected eu.europa.esig.dss.enumerations.SignatureValidity
    checkIsSignedBy(PublicKey publicKey)
     
    String
    getAbbreviation()
     
    eu.europa.esig.dss.enumerations.ArchiveTimestampType
    getArchiveTimestampType()
    Gets the ArchiveTimestampType, when applicable
    CandidatesForSigningCertificate
    getCandidatesForSigningCertificate()
    Returns an object with signing candidates
    String
    getCanonicalizationMethod()
    Applies only from XAdES timestamps
    Set<CertificateRef>
    getCertificateRefs()
    Returns the Set of contained certificate references.
    List<eu.europa.esig.dss.model.x509.CertificateToken>
    getCertificates()
    Returns the list of wrapped certificates.
    TimestampCertificateSource
    getCertificateSource()
    Returns TimestampCertificateSource for the timestamp
    Date
    getCreationDate()
     
    TimestampCRLSource
    getCRLSource()
    Returns TimestampCRLSource for the timestamp
    byte[]
    getDigest(eu.europa.esig.dss.enumerations.DigestAlgorithm digestAlgorithm)
     
    eu.europa.esig.dss.enumerations.DigestAlgorithm
    getDigestAlgorithm()
    This method returns a DigestAlgorithm used for message-imprint computation of the timestamp token
    byte[]
    getEncoded()
     
    String
    getFileName()
    This method returns the file name of a detached timestamp
    Date
    getGenerationTime()
    Retrieves the timestamp generation time.
    X500Principal
    getIssuerX500Principal()
     
    eu.europa.esig.dss.model.ManifestFile
    getManifestFile()
    This method returns the covered manifest file NOTE: applicable only for ASiC-E CAdES
    eu.europa.esig.dss.model.Digest
    getMessageImprint()
    This method returns the embedded message-imprint value
    TimestampOCSPSource
    getOCSPSource()
    Returns TimestampOCSPSource for the timestamp
    List<eu.europa.esig.dss.model.ReferenceValidation>
    getReferenceValidations()
    Returns a list of timestamped data reference validations (used for Evidence Record timestamps)
    org.bouncycastle.cms.SignerInformation
    getSignerInformation()
    Returns used signer information from CMS Signed Data object
    Set<SignerIdentifier>
    getSignerInformationStoreInfos()
    Returns a list of found CertificateIdentifier in the SignerInformationStore
    org.bouncycastle.tsp.TimeStampToken
    getTimeStamp()
    Gets BouncyCastle implementation of a TimestampToken
    List<TimestampedReference>
    getTimestampedReferences()
    Gets list of TimestampedReferences covered by the current timestamp
    protected TimestampIdentifierBuilder
    getTimestampIdentifierBuilder()
    Returns a TimestampTokenIdentifierBuilder implementation
    List<TimestampInclude>
    getTimestampIncludes()
    Returns the covered references by the current timestamp (XAdES IndividualDataObjectsTimeStamp)
    List<eu.europa.esig.dss.model.scope.SignatureScope>
    getTimestampScopes()
    Returns the scope of the current timestamp (detached timestamps only)
    eu.europa.esig.dss.enumerations.TimestampType
    getTimeStampType()
    Retrieves the type of the timestamp token.
    X500Principal
    getTSTInfoTsa()
    Returns a TSTInfo.tsa attribute identifying the timestamp issuer, when attribute is present
    org.bouncycastle.asn1.cms.AttributeTable
    getUnsignedAttributes()
    Gets unsigned attribute table
    boolean
    isMessageImprintDataFound()
    Checks if the data for message-imprint computation has been found
    boolean
    isMessageImprintDataIntact()
    The method matchData must be invoked previously.
    boolean
    isProcessed()
    Checks if the timestamp's signature has been validated
    boolean
    isSignedBy(eu.europa.esig.dss.model.x509.CertificateToken certificateToken)
    Checks if the timestamp token is signed by the given publicKey
    boolean
    isSignedBy(PublicKey publicKey)
     
    boolean
    isValid()
    Indicated if the signature is intact and the message-imprint matches the computed message-imprint.
    boolean
    matchData(byte[] expectedMessageImprintDigest)
    Checks if the TimeStampToken matches the signed data.
    boolean
    matchData(byte[] expectedMessageImprintDigest, boolean suppressMatchWarnings)
    Checks if the TimeStampToken matches the signed data.
    boolean
    matchData(eu.europa.esig.dss.model.DSSDocument timestampedData)
    Checks if the TimeStampToken matches the signed data.
    boolean
    matchData(eu.europa.esig.dss.model.DSSDocument timestampedData, boolean suppressMatchWarnings)
    Checks if the TimeStampToken matches the signed data.
    boolean
    matchData(eu.europa.esig.dss.model.DSSMessageDigest messageDigest)
    Checks if the TimeStampToken matches the message-imprint digest with warning enabled.
    boolean
    matchData(eu.europa.esig.dss.model.DSSMessageDigest messageDigest, boolean suppressMatchWarnings)
    Checks if the TimeStampToken matches the message-imprint digest.
    void
    setArchiveTimestampType(eu.europa.esig.dss.enumerations.ArchiveTimestampType archiveTimestampType)
    Archive timestamps can be of different sub type.
    void
    setCanonicalizationMethod(String canonicalizationMethod)
    Allows to set the canonicalization method used by the timestamp.
    void
    setFileName(String fileName)
    Sets the filename of a detached timestamp
    void
    setManifestFile(eu.europa.esig.dss.model.ManifestFile manifestFile)
    Sets the manifest file covered by the current timestamp NOTE: applicable only for ASiC-E CAdES
    void
    setReferenceValidations(List<eu.europa.esig.dss.model.ReferenceValidation> referenceValidations)
    Sets a list of timestamped data reference validations (used for Evidence Record timestamps)
    void
    setTimestampIncludes(List<TimestampInclude> timestampIncludes)
    Sets the covered references by the current timestamp (XAdES IndividualDataObjectsTimeStamp)
    void
    setTimestampScopes(List<eu.europa.esig.dss.model.scope.SignatureScope> timestampScopes)
    Sets timestamp's signature scopes
    String
    toString(String indentStr)
     

    Methods inherited from class eu.europa.esig.dss.model.x509.Token

    equals, getDSSId, getDSSIdAsString, getInvalidityReason, getPublicKeyOfTheSigner, getSignatureAlgorithm, getSignatureValidity, hashCode, isSelfSigned, isSignatureIntact, toString

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • TimestampToken

      public TimestampToken(byte[] binaries, eu.europa.esig.dss.enumerations.TimestampType type) throws org.bouncycastle.tsp.TSPException, IOException, org.bouncycastle.cms.CMSException
      Default constructor
      Parameters:
      binaries - byte array
      type - TimestampType
      Throws:
      org.bouncycastle.tsp.TSPException - if timestamp creation exception occurs
      IOException - if IOException occurs
      org.bouncycastle.cms.CMSException - if CMS data building exception occurs

    • TimestampToken

      public TimestampToken(byte[] binaries, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences) throws org.bouncycastle.tsp.TSPException, IOException, org.bouncycastle.cms.CMSException
      Default constructor with timestamped references
      Parameters:
      binaries - byte array
      type - TimestampType
      timestampedReferences - a list of TimestampedReferences
      Throws:
      org.bouncycastle.tsp.TSPException - if timestamp creation exception occurs
      IOException - if IOException occurs
      org.bouncycastle.cms.CMSException - if CMS data building exception occurs

    • TimestampToken

      public TimestampToken(byte[] binaries, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences, TimestampIdentifierBuilder identifierBuilder) throws org.bouncycastle.tsp.TSPException, IOException, org.bouncycastle.cms.CMSException
      Default constructor with timestamped references and identifier builder
      Parameters:
      binaries - byte array
      type - TimestampType
      timestampedReferences - a list of TimestampedReferences
      identifierBuilder - TimestampIdentifierBuilder
      Throws:
      org.bouncycastle.tsp.TSPException - if timestamp creation exception occurs
      IOException - if IOException occurs
      org.bouncycastle.cms.CMSException - if CMS data building exception occurs

    • TimestampToken

      public TimestampToken(org.bouncycastle.cms.CMSSignedData cms, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences) throws org.bouncycastle.tsp.TSPException, IOException
      Constructor from CMS with timestamped references
      Parameters:
      cms - CMSSignedData
      type - TimestampType
      timestampedReferences - a list of TimestampedReferences
      Throws:
      org.bouncycastle.tsp.TSPException - if timestamp creation exception occurs
      IOException - if IOException occurs

    • TimestampToken

      public TimestampToken(org.bouncycastle.cms.CMSSignedData cms, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences, TimestampIdentifierBuilder identifierBuilder) throws org.bouncycastle.tsp.TSPException, IOException
      Constructor from CMS with timestamped references and identifier builder
      Parameters:
      cms - CMSSignedData
      type - TimestampType
      timestampedReferences - a list of TimestampedReferences
      identifierBuilder - TimestampIdentifierBuilder
      Throws:
      org.bouncycastle.tsp.TSPException - if timestamp creation exception occurs
      IOException - if IOException occurs

    • TimestampToken

      public TimestampToken(org.bouncycastle.tsp.TimeStampToken timeStamp, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences)
      Constructor with an indication of the timestamp type and time-stamped references. The default constructor for TimestampToken. Builds an implementation independent identifier.
      Parameters:
      timeStamp - TimeStampToken
      type - TimestampType
      timestampedReferences - timestamped references timestamp comes from

    • TimestampToken

      public TimestampToken(org.bouncycastle.tsp.TimeStampToken timeStamp, eu.europa.esig.dss.enumerations.TimestampType type, List<TimestampedReference> timestampedReferences, TimestampIdentifierBuilder identifierBuilder)
      Constructor with an indication of the timestamp type, time-stamped references and an identifier builder.
      Parameters:
      timeStamp - TimeStampToken
      type - TimestampType
      timestampedReferences - timestamped references timestamp comes from
      identifierBuilder - TimestampIdentifierBuilder

  • Method Details

    • getIssuerX500Principal

      public X500Principal getIssuerX500Principal()
      Specified by:
      getIssuerX500Principal in class eu.europa.esig.dss.model.x509.Token

    • getAbbreviation

      public String getAbbreviation()
      Overrides:
      getAbbreviation in class eu.europa.esig.dss.model.x509.Token

    • getCertificateSource

      public TimestampCertificateSource getCertificateSource()
      Returns TimestampCertificateSource for the timestamp
      Returns:
      TimestampCertificateSource

    • getCRLSource

      public TimestampCRLSource getCRLSource()
      Returns TimestampCRLSource for the timestamp
      Returns:
      TimestampCRLSource

    • getOCSPSource

      public TimestampOCSPSource getOCSPSource()
      Returns TimestampOCSPSource for the timestamp
      Returns:
      TimestampOCSPSource

    • isValid

      public boolean isValid()
      Indicated if the signature is intact and the message-imprint matches the computed message-imprint. NOTE: The method isSignedBy(CertificateToken) must be called before calling the method. See TimestampToken.isSignatureIntact() for more details
      Overrides:
      isValid in class eu.europa.esig.dss.model.x509.Token
      Returns:
      TRUE if the signature is cryptographically intact and message-imprint matches, FALSE otherwise

    • isSignedBy

      public boolean isSignedBy(eu.europa.esig.dss.model.x509.CertificateToken certificateToken)
      Checks if the timestamp token is signed by the given publicKey
      Overrides:
      isSignedBy in class eu.europa.esig.dss.model.x509.Token
      Parameters:
      certificateToken - the candidate to be tested
      Returns:
      true if this token is signed by the given public key

    • isSignedBy

      public boolean isSignedBy(PublicKey publicKey)
      Overrides:
      isSignedBy in class eu.europa.esig.dss.model.x509.Token

    • checkIsSignedBy

      protected eu.europa.esig.dss.enumerations.SignatureValidity checkIsSignedBy(eu.europa.esig.dss.model.x509.CertificateToken candidate)
      Checks if timestamp is signed by teh given certificate
      Parameters:
      candidate - CertificateToken
      Returns:
      SignatureValidity

    • checkIsSignedBy

      protected eu.europa.esig.dss.enumerations.SignatureValidity checkIsSignedBy(PublicKey publicKey)
      Specified by:
      checkIsSignedBy in class eu.europa.esig.dss.model.x509.Token

    • matchData

      public boolean matchData(eu.europa.esig.dss.model.DSSDocument timestampedData)
      Checks if the TimeStampToken matches the signed data.
      Parameters:
      timestampedData - a DSSDocument representing the timestamped data
      Returns:
      true if the data is verified by the TimeStampToken

    • matchData

      public boolean matchData(eu.europa.esig.dss.model.DSSDocument timestampedData, boolean suppressMatchWarnings)
      Checks if the TimeStampToken matches the signed data.
      Parameters:
      timestampedData - a DSSDocument representing the timestamped data
      suppressMatchWarnings - if true the message imprint match warning logs are suppressed.
      Returns:
      true if the data is verified by the TimeStampToken

    • matchData

      public boolean matchData(eu.europa.esig.dss.model.DSSMessageDigest messageDigest)
      Checks if the TimeStampToken matches the message-imprint digest with warning enabled.
      Parameters:
      messageDigest - DSSMessageDigest representing the message-imprint digest
      Returns:
      true if the data is verified by the TimeStampToken

    • matchData

      public boolean matchData(eu.europa.esig.dss.model.DSSMessageDigest messageDigest, boolean suppressMatchWarnings)
      Checks if the TimeStampToken matches the message-imprint digest.
      Parameters:
      messageDigest - DSSMessageDigest representing the message-imprint digest
      suppressMatchWarnings - if true the message imprint match warning logs are suppressed.
      Returns:
      true if the data is verified by the TimeStampToken

    • matchData

      public boolean matchData(byte[] expectedMessageImprintDigest)
      Checks if the TimeStampToken matches the signed data.
      Parameters:
      expectedMessageImprintDigest - the expected message-imprint digest value
      Returns:
      true if the data is verified by the TimeStampToken

    • matchData

      public boolean matchData(byte[] expectedMessageImprintDigest, boolean suppressMatchWarnings)
      Checks if the TimeStampToken matches the signed data.
      Parameters:
      expectedMessageImprintDigest - the expected message-imprint digest value
      suppressMatchWarnings - if true the message imprint match warning logs are suppressed.
      Returns:
      true if the data is verified by the TimeStampToken

    • isProcessed

      public boolean isProcessed()
      Checks if the timestamp's signature has been validated
      Returns:
      TRUE if the timestamp's signature has been validated, FALSE otherwise

    • getTimeStampType

      public eu.europa.esig.dss.enumerations.TimestampType getTimeStampType()
      Retrieves the type of the timestamp token.
      Returns:
      TimestampType

    • getGenerationTime

      public Date getGenerationTime()
      Retrieves the timestamp generation time.
      Returns:
      Date

    • getCreationDate

      public Date getCreationDate()
      Specified by:
      getCreationDate in class eu.europa.esig.dss.model.x509.Token

    • getMessageImprint

      public eu.europa.esig.dss.model.Digest getMessageImprint()
      This method returns the embedded message-imprint value
      Returns:
      a Digest DTO with the algorithm and the value

    • getDigestAlgorithm

      public eu.europa.esig.dss.enumerations.DigestAlgorithm getDigestAlgorithm()
      This method returns a DigestAlgorithm used for message-imprint computation of the timestamp token
      Returns:
      DigestAlgorithm

    • isMessageImprintDataFound

      public boolean isMessageImprintDataFound()
      Checks if the data for message-imprint computation has been found
      Returns:
      true if the message imprint data was found, false otherwise

    • isMessageImprintDataIntact

      public boolean isMessageImprintDataIntact()
      The method matchData must be invoked previously.
      Returns:
      true if the message imprint data is intact, false otherwise

    • getFileName

      public String getFileName()
      This method returns the file name of a detached timestamp
      Returns:
      String

    • setFileName

      public void setFileName(String fileName)
      Sets the filename of a detached timestamp
      Parameters:
      fileName - String

    • getManifestFile

      public eu.europa.esig.dss.model.ManifestFile getManifestFile()
      This method returns the covered manifest file NOTE: applicable only for ASiC-E CAdES
      Returns:
      ManifestFile

    • setManifestFile

      public void setManifestFile(eu.europa.esig.dss.model.ManifestFile manifestFile)
      Sets the manifest file covered by the current timestamp NOTE: applicable only for ASiC-E CAdES
      Parameters:
      manifestFile - ManifestFile

    • getTimestampedReferences

      public List<TimestampedReference> getTimestampedReferences()
      Gets list of TimestampedReferences covered by the current timestamp
      Returns:
      List of TimestampReferences

    • getArchiveTimestampType

      public eu.europa.esig.dss.enumerations.ArchiveTimestampType getArchiveTimestampType()
      Gets the ArchiveTimestampType, when applicable
      Returns:
      ArchiveTimestampType in the case of an archive timestamp, null otherwise

    • setArchiveTimestampType

      public void setArchiveTimestampType(eu.europa.esig.dss.enumerations.ArchiveTimestampType archiveTimestampType)
      Archive timestamps can be of different sub type.
      Parameters:
      archiveTimestampType - ArchiveTimestampType

    • getCanonicalizationMethod

      public String getCanonicalizationMethod()
      Applies only from XAdES timestamps
      Returns:
      String representing the canonicalization method used by the timestamp

    • setCanonicalizationMethod

      public void setCanonicalizationMethod(String canonicalizationMethod)
      Allows to set the canonicalization method used by the timestamp. Applies only with XAdES timestamps.
      Parameters:
      canonicalizationMethod - String representing the canonicalization method

    • getEncoded

      public byte[] getEncoded()
      Specified by:
      getEncoded in class eu.europa.esig.dss.model.x509.Token

    • getTimestampIncludes

      public List<TimestampInclude> getTimestampIncludes()
      Returns the covered references by the current timestamp (XAdES IndividualDataObjectsTimeStamp)
      Returns:
      a list of timestamp's includes

    • setTimestampIncludes

      public void setTimestampIncludes(List<TimestampInclude> timestampIncludes)
      Sets the covered references by the current timestamp (XAdES IndividualDataObjectsTimeStamp)
      Parameters:
      timestampIncludes - a list of timestamp's includes

    • getReferenceValidations

      public List<eu.europa.esig.dss.model.ReferenceValidation> getReferenceValidations()
      Returns a list of timestamped data reference validations (used for Evidence Record timestamps)
      Returns:
      a list of ReferenceValidations

    • setReferenceValidations

      public void setReferenceValidations(List<eu.europa.esig.dss.model.ReferenceValidation> referenceValidations)
      Sets a list of timestamped data reference validations (used for Evidence Record timestamps)
      Parameters:
      referenceValidations - a list of ReferenceValidations

    • areReferenceValidationsValid

      protected boolean areReferenceValidationsValid()
      This method verifies whether the corresponding reference validations are valid
      Returns:
      TRUE if all reference validations are valid, FALSE otherwise

    • getTimestampScopes

      public List<eu.europa.esig.dss.model.scope.SignatureScope> getTimestampScopes()
      Returns the scope of the current timestamp (detached timestamps only)
      Returns:
      a list of SignatureScope

    • setTimestampScopes

      public void setTimestampScopes(List<eu.europa.esig.dss.model.scope.SignatureScope> timestampScopes)
      Sets timestamp's signature scopes
      Parameters:
      timestampScopes - a list of SignatureScopes

    • getCertificates

      public List<eu.europa.esig.dss.model.x509.CertificateToken> getCertificates()
      Returns the list of wrapped certificates.
      Returns:
      List of CertificateToken

    • getCertificateRefs

      public Set<CertificateRef> getCertificateRefs()
      Returns the Set of contained certificate references.
      Returns:
      Set of CertificateRef

    • getUnsignedAttributes

      public org.bouncycastle.asn1.cms.AttributeTable getUnsignedAttributes()
      Gets unsigned attribute table
      Returns:
      AttributeTable

    • getTSTInfoTsa

      public X500Principal getTSTInfoTsa()
      Returns a TSTInfo.tsa attribute identifying the timestamp issuer, when attribute is present
      Returns:
      GeneralName

    • getTimeStamp

      public org.bouncycastle.tsp.TimeStampToken getTimeStamp()
      Gets BouncyCastle implementation of a TimestampToken
      Returns:
      TimeStampToken

    • toString

      public String toString(String indentStr)
      Specified by:
      toString in class eu.europa.esig.dss.model.x509.Token

    • getSignerInformationStoreInfos

      public Set<SignerIdentifier> getSignerInformationStoreInfos()
      Returns a list of found CertificateIdentifier in the SignerInformationStore
      Returns:
      a list of SignerIdentifiers

    • getCandidatesForSigningCertificate

      public CandidatesForSigningCertificate getCandidatesForSigningCertificate()
      Returns an object with signing candidates
      Returns:
      CandidatesForSigningCertificate

    • getSignerInformation

      public org.bouncycastle.cms.SignerInformation getSignerInformation()
      Returns used signer information from CMS Signed Data object
      Returns:
      SignerInformation

    • buildTokenIdentifier

      protected eu.europa.esig.dss.model.identifier.TokenIdentifier buildTokenIdentifier()
      Specified by:
      buildTokenIdentifier in class eu.europa.esig.dss.model.x509.Token

    • getTimestampIdentifierBuilder

      protected TimestampIdentifierBuilder getTimestampIdentifierBuilder()
      Returns a TimestampTokenIdentifierBuilder implementation
      Returns:
      TimestampIdentifierBuilder

    • getDigest

      public byte[] getDigest(eu.europa.esig.dss.enumerations.DigestAlgorithm digestAlgorithm)
      Overrides:
      getDigest in class eu.europa.esig.dss.model.x509.Token