Package eu.europa.esig.dss.cades

Class CMSUtils

java.lang.Object
eu.europa.esig.dss.cades.CMSUtils
public final class CMSUtils
extends Object

  • Field Summary

    Fields 
    Modifier and Type Field Description
    static DigestAlgorithm DEFAULT_ARCHIVE_TIMESTAMP_HASH_ALGO  

  • Method Summary

    Modifier and Type Method Description
    static void addSigningCertificateAttribute​(org.bouncycastle.asn1.ASN1EncodableVector signedAttributes, DigestAlgorithm digestAlgorithm, CertificateToken signingToken)
    Method to add signing certificate to ASN.1 DER encoded signed attributes.
    static org.bouncycastle.cms.CMSSignedData generateCMSSignedData​(org.bouncycastle.cms.CMSSignedDataGenerator generator, org.bouncycastle.cms.CMSTypedData content, boolean encapsulate)
    This method generate CMSSignedData using the provided #CMSSignedDataGenerator, the content and the indication if the content should be encapsulated.
    static org.bouncycastle.cms.CMSSignedData generateDetachedCMSSignedData​(org.bouncycastle.cms.CMSSignedDataGenerator generator, org.bouncycastle.cms.CMSProcessableByteArray content)  
    static org.bouncycastle.asn1.cms.AttributeTable getAttributesFromByteArray​(byte[] encodedAttributes)
    This method returns an AttributeTable parsed from ASN.1 encoded representation
    static org.bouncycastle.cms.CMSTypedData getContentToBeSign​(DSSDocument toSignData)  
    static org.bouncycastle.asn1.DERTaggedObject getDERSignedAttributes​(org.bouncycastle.cms.SignerInformation signerInformation)  
    static DSSDocument getOriginalDocument​(org.bouncycastle.cms.CMSSignedData cmsSignedData, List<DSSDocument> detachedDocuments)
    Returns the original document from the provided cmsSignedData
    static org.bouncycastle.asn1.cms.AttributeTable getSignedAttributes​(org.bouncycastle.cms.SignerInformation signerInformation)
    This method returns the existing signed attributes or a new empty attributes hashtable
    static byte[] getSignedContent​(org.bouncycastle.cms.CMSTypedData cmsTypedData)
    This method returns the signed content extracted from a CMSTypedData
    static org.bouncycastle.asn1.cms.Attribute getUnsignedAttribute​(org.bouncycastle.cms.SignerInformation signerInformation, org.bouncycastle.asn1.ASN1ObjectIdentifier oid)
    Returns an unsigned attribute by its given oid
    static org.bouncycastle.asn1.cms.AttributeTable getUnsignedAttributes​(org.bouncycastle.cms.SignerInformation signerInformation)
    This method returns the existing unsigned attributes or a new empty attributes hashtable
    static boolean isCMSSignedDataEqual​(org.bouncycastle.cms.CMSSignedData signedData, org.bouncycastle.cms.CMSSignedData signedDataToCompare)
    Compares two CMSSignedData objects by their encoded binaries
    static boolean isDetachedSignature​(org.bouncycastle.cms.CMSSignedData cmsSignedData)
    Checks if the signature is detached

    Methods inherited from class java.lang.Object

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

  • Field Details

  • Method Details

    • generateCMSSignedData

      public static org.bouncycastle.cms.CMSSignedData generateCMSSignedData​(org.bouncycastle.cms.CMSSignedDataGenerator generator, org.bouncycastle.cms.CMSTypedData content, boolean encapsulate)
      This method generate CMSSignedData using the provided #CMSSignedDataGenerator, the content and the indication if the content should be encapsulated.
      Parameters:
      generator -
      content -
      encapsulate -
      Returns:

    • generateDetachedCMSSignedData

      public static org.bouncycastle.cms.CMSSignedData generateDetachedCMSSignedData​(org.bouncycastle.cms.CMSSignedDataGenerator generator, org.bouncycastle.cms.CMSProcessableByteArray content) throws DSSException
      Throws:
      DSSException

    • getDERSignedAttributes

      public static org.bouncycastle.asn1.DERTaggedObject getDERSignedAttributes​(org.bouncycastle.cms.SignerInformation signerInformation)
      Parameters:
      signerInformation - SignerInformation
      Returns:
      DERTaggedObject representing the signed attributes

    • getSignedContent

      public static byte[] getSignedContent​(org.bouncycastle.cms.CMSTypedData cmsTypedData)
      This method returns the signed content extracted from a CMSTypedData
      Parameters:
      cmsTypedData - CMSTypedData cannot be null
      Returns:
      the signed content extracted from CMSTypedData

    • getUnsignedAttributes

      public static org.bouncycastle.asn1.cms.AttributeTable getUnsignedAttributes​(org.bouncycastle.cms.SignerInformation signerInformation)
      This method returns the existing unsigned attributes or a new empty attributes hashtable
      Parameters:
      signerInformation - the signer information
      Returns:
      the existing unsigned attributes or an empty attributes hashtable

    • getSignedAttributes

      public static org.bouncycastle.asn1.cms.AttributeTable getSignedAttributes​(org.bouncycastle.cms.SignerInformation signerInformation)
      This method returns the existing signed attributes or a new empty attributes hashtable
      Parameters:
      signerInformation - the signer information
      Returns:
      the existing signed attributes or an empty attributes Hashtable

    • getAttributesFromByteArray

      public static org.bouncycastle.asn1.cms.AttributeTable getAttributesFromByteArray​(byte[] encodedAttributes)
      This method returns an AttributeTable parsed from ASN.1 encoded representation
      Parameters:
      encodedAttributes - ASN.1 encoded AttributesTable
      Returns:
      AttributeTable created from given encodedAttributes

    • addSigningCertificateAttribute

      public static void addSigningCertificateAttribute​(org.bouncycastle.asn1.ASN1EncodableVector signedAttributes, DigestAlgorithm digestAlgorithm, CertificateToken signingToken)
      Method to add signing certificate to ASN.1 DER encoded signed attributes. Certificate will be added as either signing-certificate or signing-certificate-v2 attribute depending on digest algorithm being used.
      Parameters:
      signedAttributes - Signed attributes to append signing certificate to
      digestAlgorithm - the digest algorithm to be used
      signingToken - The signing certificate to be append

    • isCMSSignedDataEqual

      public static boolean isCMSSignedDataEqual​(org.bouncycastle.cms.CMSSignedData signedData, org.bouncycastle.cms.CMSSignedData signedDataToCompare) throws IOException
      Compares two CMSSignedData objects by their encoded binaries
      Parameters:
      signedData - CMSSignedData object to compare
      signedDataToCompare - CMSSignedData object to compare with
      Returns:
      true if binaries of two CMSSignedData are equal, false otherwise
      Throws:
      IOException - if an exception occurs

    • getUnsignedAttribute

      public static org.bouncycastle.asn1.cms.Attribute getUnsignedAttribute​(org.bouncycastle.cms.SignerInformation signerInformation, org.bouncycastle.asn1.ASN1ObjectIdentifier oid)
      Returns an unsigned attribute by its given oid
      Parameters:
      signerInformation - SignerInformation to get attribute from
      oid - ASN1ObjectIdentifier of the target attribute
      Returns:
      Attribute

    • isDetachedSignature

      public static boolean isDetachedSignature​(org.bouncycastle.cms.CMSSignedData cmsSignedData)
      Checks if the signature is detached
      Parameters:
      cmsSignedData - CMSSignedData
      Returns:
      TRUE if the signature is detached, FALSE otherwise

    • getOriginalDocument

      public static DSSDocument getOriginalDocument​(org.bouncycastle.cms.CMSSignedData cmsSignedData, List<DSSDocument> detachedDocuments)
      Returns the original document from the provided cmsSignedData
      Parameters:
      cmsSignedData - CMSSignedData to get original document from
      Returns:
      original DSSDocument

    • getContentToBeSign

      public static org.bouncycastle.cms.CMSTypedData getContentToBeSign​(DSSDocument toSignData)