Java Doc for PDEncryptionDictionary.java in  » PDF » PDFBox-0.7.3 » org » pdfbox » pdmodel » encryption » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » PDFBox 0.7.3 » org.pdfbox.pdmodel.encryption   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.pdfbox.pdmodel.encryption.PDEncryptionDictionary All known Subclasses:   org.pdfbox.pdmodel.encryption.PDStandardEncryption, PDEncryptionDictionary public class PDEncryptionDictionary (Code) This class is a specialized view of the encryption dictionary of a PDF document. It contains a low level dictionary (COSDictionary) and provides the methods to manage its fields. The available fields are the ones who are involved by standard security handler and public key security handler. author:    Ben Litchfield author:    Benoit Guillon (benoit.guillon@snv.jussieu.fr) version:    $Revision: 1.7 $ Field Summary final public static  int DEFAULT_LENGTH      The default length for the encryption key. final public static  String DEFAULT_NAME      The default security handler. final public static  int DEFAULT_VERSION      The default version, according to the PDF Reference. final public static  int VERSION0_UNDOCUMENTED_UNSUPPORTED      See PDF Reference 1.4 Table 3.13. final public static  int VERSION1_40_BIT_ALGORITHM      See PDF Reference 1.4 Table 3.13. final public static  int VERSION2_VARIABLE_LENGTH_ALGORITHM      See PDF Reference 1.4 Table 3.13. final public static  int VERSION3_UNPUBLISHED_ALGORITHM      See PDF Reference 1.4 Table 3.13. final public static  int VERSION4_SECURITY_HANDLER      See PDF Reference 1.4 Table 3.13. protected  COSDictionary encryptionDictionary      COS encryption dictionary. Constructor Summary public   PDEncryptionDictionary()      creates a new empty encryption dictionary. public   PDEncryptionDictionary(COSDictionary d)      creates a new encryption dictionary from the low level dictionary provided. Method Summary public  COSDictionary getCOSDictionary()      This will get the dictionary associated with this encryption dictionary. public  String getFilter()      Get the name of the filter. public  int getLength()      This will return the Length entry of the encryption dictionary. The length in bits for the encryption algorithm. public  byte[] getOwnerKey()      This will get the O entry in the standard encryption dictionary. public  int getPermissions()      This will get the permissions bit mask. public  COSString getRecipientStringAt(int i)      returns the COSString contained in the Recipients field at position i. public  int getRecipientsLength()      Returns the number of recipients contained in the Recipients field of the dictionary. public  int getRevision()      This will return the R entry of the encryption dictionary. See PDF Reference 1.4 Table 3.14. public  byte[] getUserKey()      This will get the U entry in the standard encryption dictionary. public  int getVersion()      This will return the V entry of the encryption dictionary. See PDF Reference 1.4 Table 3.13. public  void setFilter(String filter)      Sets the filter entry of the encryption dictionary. public  void setLength(int length)      This will set the number of bits to use for the encryption algorithm. public  void setOwnerKey(byte[] o)      This will set the O entry in the standard encryption dictionary. public  void setPermissions(int permissions)      This will set the permissions bit mask. public  void setRecipients(byte[][] recipients)      This will set the Recipients field of the dictionary. public  void setRevision(int revision)      This will set the R entry of the encryption dictionary. See PDF Reference 1.4 Table 3.14. public  void setSubFilter(String subfilter)      Set the subfilter entry of the encryption dictionary. public  void setUserKey(byte[] u)      This will set the U entry in the standard encryption dictionary. public  void setVersion(int version)      This will set the V entry of the encryption dictionary. See PDF Reference 1.4 Table 3.13. Field Detail DEFAULT_LENGTH final public static int DEFAULT_LENGTH(Code) The default length for the encryption key. DEFAULT_NAME final public static String DEFAULT_NAME(Code) The default security handler. DEFAULT_VERSION final public static int DEFAULT_VERSION(Code) The default version, according to the PDF Reference. VERSION0_UNDOCUMENTED_UNSUPPORTED final public static int VERSION0_UNDOCUMENTED_UNSUPPORTED(Code) See PDF Reference 1.4 Table 3.13. VERSION1_40_BIT_ALGORITHM final public static int VERSION1_40_BIT_ALGORITHM(Code) See PDF Reference 1.4 Table 3.13. VERSION2_VARIABLE_LENGTH_ALGORITHM final public static int VERSION2_VARIABLE_LENGTH_ALGORITHM(Code) See PDF Reference 1.4 Table 3.13. VERSION3_UNPUBLISHED_ALGORITHM final public static int VERSION3_UNPUBLISHED_ALGORITHM(Code) See PDF Reference 1.4 Table 3.13. VERSION4_SECURITY_HANDLER final public static int VERSION4_SECURITY_HANDLER(Code) See PDF Reference 1.4 Table 3.13. encryptionDictionary protected COSDictionary encryptionDictionary(Code) COS encryption dictionary. Constructor Detail PDEncryptionDictionary public PDEncryptionDictionary()(Code) creates a new empty encryption dictionary. PDEncryptionDictionary public PDEncryptionDictionary(COSDictionary d)(Code) creates a new encryption dictionary from the low level dictionary provided. Parameters:   d - the low level dictionary that will be managed by the newly created object Method Detail getCOSDictionary public COSDictionary getCOSDictionary()(Code) This will get the dictionary associated with this encryption dictionary. The COS dictionary that this object wraps. getFilter public String getFilter()(Code) Get the name of the filter. The filter name contained in this encryption dictionary. getLength public int getLength()(Code) This will return the Length entry of the encryption dictionary. The length in bits for the encryption algorithm. This will return a multiple of 8. The length in bits for the encryption algorithm getOwnerKey public byte[] getOwnerKey() throws IOException(Code) This will get the O entry in the standard encryption dictionary. A 32 byte array or null if there is no owner key. throws:   IOException - If there is an error accessing the data. getPermissions public int getPermissions()(Code) This will get the permissions bit mask. The permissions bit mask. getRecipientStringAt public COSString getRecipientStringAt(int i)(Code) returns the COSString contained in the Recipients field at position i. Parameters:   i - the position in the Recipients field array. a COSString object containing information about the recipient number i. getRecipientsLength public int getRecipientsLength()(Code) Returns the number of recipients contained in the Recipients field of the dictionary. the number of recipients contained in the Recipients field. getRevision public int getRevision()(Code) This will return the R entry of the encryption dictionary. See PDF Reference 1.4 Table 3.14. The encryption revision to use. getUserKey public byte[] getUserKey() throws IOException(Code) This will get the U entry in the standard encryption dictionary. A 32 byte array or null if there is no user key. throws:   IOException - If there is an error accessing the data. getVersion public int getVersion()(Code) This will return the V entry of the encryption dictionary. See PDF Reference 1.4 Table 3.13. The encryption version to use. setFilter public void setFilter(String filter)(Code) Sets the filter entry of the encryption dictionary. Parameters:   filter - The filter name. setLength public void setLength(int length)(Code) This will set the number of bits to use for the encryption algorithm. Parameters:   length - The new key length. setOwnerKey public void setOwnerKey(byte[] o) throws IOException(Code) This will set the O entry in the standard encryption dictionary. Parameters:   o - A 32 byte array or null if there is no owner key. throws:   IOException - If there is an error setting the data. setPermissions public void setPermissions(int permissions)(Code) This will set the permissions bit mask. Parameters:   permissions - The new permissions bit mask setRecipients public void setRecipients(byte[][] recipients) throws IOException(Code) This will set the Recipients field of the dictionary. This field contains an array of string. Parameters:   recipients - the array of bytes arrays to put in the Recipients field. throws:   IOException - If there is an error setting the data. setRevision public void setRevision(int revision)(Code) This will set the R entry of the encryption dictionary. See PDF Reference 1.4 Table 3.14. Note: This value is used to decrypt the pdf document. If you change this when the document is encrypted then decryption will fail!. Parameters:   revision - The new encryption version. setSubFilter public void setSubFilter(String subfilter)(Code) Set the subfilter entry of the encryption dictionary. Parameters:   subfilter - The value of the subfilter field. setUserKey public void setUserKey(byte[] u) throws IOException(Code) This will set the U entry in the standard encryption dictionary. Parameters:   u - A 32 byte array. throws:   IOException - If there is an error setting the data. setVersion public void setVersion(int version)(Code) This will set the V entry of the encryption dictionary. See PDF Reference 1.4 Table 3.13. Note: This value is used to decrypt the pdf document. If you change this when the document is encrypted then decryption will fail!. Parameters:   version - The new encryption version. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)