de.intarsys.pdf.crypt
Class COSEncryption

java.lang.Object
  de.intarsys.pdf.cos.COSBasedObject
      de.intarsys.pdf.crypt.COSEncryption

All Implemented Interfaces:

ICOSObjectListener, IAttributeSupport

public class COSEncryption
extends COSBasedObject

The definition of the document encryption.

This object contains the state information defining the context for the document encryption.

Nested Class Summary

static class

COSEncryption.MetaClass The meta class implementation

Field Summary

static COSName	CN_IDENTITY
static COSName	DK_CF
static COSName	DK_EFF
static COSName	DK_Filter
static COSName	DK_Length
static COSName	DK_StmF
static COSName	DK_StrF
static COSName	DK_SubFilter
static COSName	DK_V
static COSEncryption.MetaClass	META The meta class instance

Method Summary

COSDictionary	getCryptFilterDict(COSName name)
COSName	getCryptFilterNameFile()
COSName	getCryptFilterNameStream()
COSName	getCryptFilterNameString()
static COSEncryption	getEncryptionIn(STXRefSection xRefSection)
COSName	getFilter()
int	getLength() The length of the encryption key, in bits.
int	getVersion()
void	setEncryptionIn(STXRefSection xRefSection)

Methods inherited from class de.intarsys.pdf.cos.COSBasedObject

changed, cosGetArray, cosGetDict, cosGetDoc, cosGetField, cosGetObject, cosGetStream, cosHasField, cosRemoveField, cosSetField, getAttribute, getFieldBoolean, getFieldDate, getFieldFixed, getFieldFixedArray, getFieldInt, getFieldMLString, getFieldString, invalidateCaches, removeAttribute, setAttribute, setFieldBoolean, setFieldFixed, setFieldInt, setFieldMLString, setFieldName, setFieldObject, setFieldString, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DK_Filter

public static final COSName DK_Filter

DK_SubFilter

public static final COSName DK_SubFilter

DK_V

public static final COSName DK_V

DK_Length

public static final COSName DK_Length

DK_CF

public static final COSName DK_CF

CN_IDENTITY

public static final COSName CN_IDENTITY

DK_StmF

public static final COSName DK_StmF

DK_EFF

public static final COSName DK_EFF

DK_StrF

public static final COSName DK_StrF

META

public static final COSEncryption.MetaClass META

The meta class instance

Method Detail

getEncryptionIn

public static COSEncryption getEncryptionIn(STXRefSection xRefSection)

setEncryptionIn

public void setEncryptionIn(STXRefSection xRefSection)

getFilter

public COSName getFilter()

getLength

public int getLength()

The length of the encryption key, in bits. The value must be a multiple of 8, in the range 40 to 128. Default value: 40.

Returns:

length of the encryption key, in bits

getCryptFilterNameString

public COSName getCryptFilterNameString()

getCryptFilterNameStream

public COSName getCryptFilterNameStream()

getCryptFilterNameFile

public COSName getCryptFilterNameFile()

getCryptFilterDict

public COSDictionary getCryptFilterDict(COSName name)

getVersion

public int getVersion()