sandmark.watermark.objectwm
Class ObjectWatermark

java.lang.Object
  |
  +--sandmark.Algorithm
        |
        +--sandmark.watermark.GeneralWatermarker
              |
              +--sandmark.watermark.StaticWatermarker
                    |
                    +--sandmark.watermark.objectwm.ObjectWatermark

public class ObjectWatermark

extends StaticWatermarker

Implementing Stern's Algorithm for Robust Object Watermarking

Nested Class Summary

(package private) class

ObjectWatermark.Recognizer

Field Summary

(package private) static ClassFileCollection	cfc
(package private) static ConfigProperties	configProps
(package private) static java.util.jar.JarOutputStream	jarOutput
(package private) static java.util.Vector	origVector
(package private) static int	threshold
(package private) static java.math.BigInteger	wmBigInteger
(package private) static java.lang.String	wmString

Constructor Summary

ObjectWatermark()

Method Summary

static void	display_VectorInfo(java.util.Vector vec, java.lang.String mesg)
void	embed(ClassFileCollection input, java.util.jar.JarOutputStream output, java.util.Properties props) Embed a watermark value into the program.
java.lang.String	getAlgHTML() Get the HTML codes of the About page for ConstantString
java.lang.String	getAlgURL() Get the URL of the Help page for ConstantString
java.lang.String	getAuthor() Specifies the author of this algorithm.
java.lang.String	getAuthorEmail() Specifies the author's email address.
ConfigProperties	getConfigProperties() Gets the ConfigProperties object which specifies the parameters for this run of the algorithm.
java.lang.String	getDescription() Specifies what this algorithm does.
java.lang.String	getLongName() Returns this watermarker's long name.
static ConfigProperties	getProperties() Get the GENERAL properties of watermark
java.lang.String	getShortName() Specifies this algorithm's short name.
java.util.Iterator	recognize(java.util.Properties props)
void	setConfigProperties(ConfigProperties props) Sets the ConfigProperties object which specifies the parameters for this run of the algorithm.
static void	setProperties(ConfigProperties props) Set the GENERAL properties of watermark

Methods inherited from class sandmark.watermark.StaticWatermarker

getAboutHTML, getHelpURL

Methods inherited from class sandmark.Algorithm

getMutations, getPostprohibited, getPostrequisites, getPostsuggestions, getPreprohibited, getPrerequisites, getPresuggestions, getReferences

Methods inherited from class java.lang.Object

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

Field Detail

configProps

static ConfigProperties configProps

cfc

static ClassFileCollection cfc

origVector

static java.util.Vector origVector

jarOutput

static java.util.jar.JarOutputStream jarOutput

wmBigInteger

static java.math.BigInteger wmBigInteger

wmString

static java.lang.String wmString

threshold

static int threshold

Constructor Detail

ObjectWatermark

public ObjectWatermark()

Method Detail

getShortName

public java.lang.String getShortName()

Description copied from class: Algorithm

Specifies this algorithm's short name. A short name should be no longer than 20 characters, and contain capitalized space delimited words (i.e. title case). For example, an obfuscation that sets all of the fields in a jar file to public scoping should have a short name like "Set Fields Public".

Specified by:

getShortName in class Algorithm

Returns:

the short name for this algorithm

getLongName

public java.lang.String getLongName()

Returns this watermarker's long name.

Specified by:

getLongName in class Algorithm

Returns:

the long name for this algorithm

getProperties

public static ConfigProperties getProperties()

Description copied from class: GeneralWatermarker

Get the GENERAL properties of watermark

setProperties

public static void setProperties(ConfigProperties props)

Description copied from class: GeneralWatermarker

Set the GENERAL properties of watermark

getConfigProperties

public ConfigProperties getConfigProperties()

Description copied from class: Algorithm

Gets the ConfigProperties object which specifies the parameters for this run of the algorithm.

Specified by:

getConfigProperties in class Algorithm

Returns:

the parameters for this run of the algorithm

setConfigProperties

public void setConfigProperties(ConfigProperties props)

Description copied from class: Algorithm

Sets the ConfigProperties object which specifies the parameters for this run of the algorithm.

Specified by:

setConfigProperties in class Algorithm

Parameters:

props - the parameters for this run of the algorithm

getAlgHTML

public java.lang.String getAlgHTML()

Get the HTML codes of the About page for ConstantString

Specified by:

getAlgHTML in class Algorithm

Returns:

an HTML formatted description of what the algorithm does.

getAlgURL

public java.lang.String getAlgURL()

Get the URL of the Help page for ConstantString

Specified by:

getAlgURL in class Algorithm

Returns:

a URL to the help.html file for the algorithm

getAuthor

public java.lang.String getAuthor()

Specifies the author of this algorithm.

Overrides:

getAuthor in class Algorithm

Returns:

the name of the author of the algorithm

getAuthorEmail

public java.lang.String getAuthorEmail()

Specifies the author's email address.

Overrides:

getAuthorEmail in class Algorithm

Returns:

the email address of the author of the algorithm

getDescription

public java.lang.String getDescription()

Specifies what this algorithm does.

Overrides:

getDescription in class Algorithm

Returns:

a brief description of the algorithm

display_VectorInfo

public static void display_VectorInfo(java.util.Vector vec,
                                      java.lang.String mesg)

embed

public void embed(ClassFileCollection input,
                  java.util.jar.JarOutputStream output,
                  java.util.Properties props)
           throws WatermarkingException,
                  java.io.IOException,
                  java.io.EOFException

Description copied from class: StaticWatermarker

Embed a watermark value into the program. The props argument holds at least the following properties:

• WM_Encode_Watermark: The watermark value to be embedded.
• SWM_Embed_Key: The secret key.

Specified by:

embed in class StaticWatermarker

WatermarkingException

java.io.IOException

java.io.EOFException

recognize

public java.util.Iterator recognize(java.util.Properties props)
                             throws WatermarkingException,
                                    java.io.IOException

Specified by:

recognize in class StaticWatermarker

WatermarkingException

java.io.IOException