Package com.itextpdf.kernel.crypto.securityhandler

Class StandardSecurityHandler

java.lang.Object
com.itextpdf.kernel.crypto.securityhandler.SecurityHandler
com.itextpdf.kernel.crypto.securityhandler.StandardSecurityHandler
Direct Known Subclasses:
StandardHandlerUsingAes256, StandardHandlerUsingStandard40
public abstract class StandardSecurityHandler extends SecurityHandler

  • Field Details

    • PERMS_MASK_1_FOR_REVISION_2

      protected static final int PERMS_MASK_1_FOR_REVISION_2
      See Also:

    • PERMS_MASK_1_FOR_REVISION_3_OR_GREATER

      protected static final int PERMS_MASK_1_FOR_REVISION_3_OR_GREATER
      See Also:

    • PERMS_MASK_2

      protected static final int PERMS_MASK_2
      See Also:

    • permissions

      protected int permissions

    • usedOwnerPassword

      protected boolean usedOwnerPassword

  • Constructor Details

    • StandardSecurityHandler

      public StandardSecurityHandler()

  • Method Details

    • getPermissions

      public int getPermissions()

    • setPermissions

      public void setPermissions (int permissions, PdfDictionary encryptionDictionary)
      Updates encryption dictionary with the security permissions provided.
      Parameters:
      permissions - new permissions to set
      encryptionDictionary - encryption dictionary to update

    • isUsedOwnerPassword

      public boolean isUsedOwnerPassword()

    • setStandardHandlerDicEntries

      protected void setStandardHandlerDicEntries (PdfDictionary encryptionDictionary, byte[] userKey, byte[] ownerKey)

    • generateOwnerPasswordIfNullOrEmpty

      protected byte[] generateOwnerPasswordIfNullOrEmpty (byte[] ownerPassword)

    • getIsoBytes

      protected byte[] getIsoBytes (PdfString string)
      Gets bytes of String-value without considering encoding.
      Parameters:
      string - a PdfString to get bytes from it
      Returns:
      byte array

    • equalsArray

      protected static boolean equalsArray (byte[] ar1, byte[] ar2, int size)