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java.lang.Objectnet.sourceforge.openstego.OpenStego
This is the main class for OpenStego. It includes the main(java.lang.String[]) method which provides the
command line interface for the tool. It also has API methods which can be used by external programs
when using OpenStego as a library.
| Field Summary | |
static String |
NAMESPACE
Constant for the namespace for labels |
| Constructor Summary | |
OpenStego(OpenStegoPlugin plugin)
Constructor using the default configuration |
|
OpenStego(OpenStegoPlugin plugin,
Map propMap)
Constructor with configuration data in the form of Map |
|
OpenStego(OpenStegoPlugin plugin,
OpenStegoConfig config)
Constructor using OpenStegoConfig object |
|
| Method Summary | |
double |
checkMark(byte[] stegoData,
String stegoFileName,
byte[] origSigData)
Method to check the correlation for the given image and the original signature |
double |
checkMark(File stegoFile,
File origSigFile)
Method to check the correlation for the given image and the original signature (alternate API) |
byte[] |
embedData(byte[] msg,
String msgFileName,
byte[] cover,
String coverFileName,
String stegoFileName)
Method to embed the message data into the cover data |
byte[] |
embedData(File msgFile,
File coverFile,
String stegoFileName)
Method to embed the message data into the cover data (alternate API) |
byte[] |
embedMark(byte[] sig,
String sigFileName,
byte[] cover,
String coverFileName,
String stegoFileName)
Method to embed the watermark signature data into the cover data |
byte[] |
embedMark(File sigFile,
File coverFile,
String stegoFileName)
Method to embed the watermark signature data into the cover data (alternate API) |
List |
extractData(byte[] stegoData,
String stegoFileName)
Method to extract the message data from stego data |
List |
extractData(File stegoFile)
Method to extract the message data from stego data (alternate API) |
byte[] |
extractMark(byte[] stegoData,
String stegoFileName,
byte[] origSigData)
Method to extract the watermark data from stego data |
byte[] |
extractMark(File stegoFile,
File origSigFile)
Method to extract the watermark data from stego data (alternate API) |
byte[] |
generateSignature()
Method to generate the signature data using the given plugin |
OpenStegoConfig |
getConfig()
Get method for configuration data |
byte[] |
getDiff(byte[] stegoData,
String stegoFileName,
byte[] coverData,
String coverFileName,
String diffFileName)
Method to get difference between original cover file and the stegged file |
byte[] |
getDiff(File stegoFile,
File coverFile,
String diffFileName)
Method to get difference between original cover file and the stegged file |
static void |
main(String[] args)
Main method for calling openstego from command line. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
public static final String NAMESPACE
| Constructor Detail |
public OpenStego(OpenStegoPlugin plugin)
throws OpenStegoException
plugin - Stego plugin to use
OpenStegoException
public OpenStego(OpenStegoPlugin plugin,
OpenStegoConfig config)
throws OpenStegoException
OpenStegoConfig object
plugin - Stego plugin to useconfig - OpenStegoConfig object with configuration data
OpenStegoException
public OpenStego(OpenStegoPlugin plugin,
Map propMap)
throws OpenStegoException
Map
- Parameters:
plugin - Plugin objectpropMap - Map containing the configuration data
- Throws:
OpenStegoException| Method Detail |
public byte[] embedData(byte[] msg,
String msgFileName,
byte[] cover,
String coverFileName,
String stegoFileName)
throws OpenStegoException
msg - Message data to be embeddedmsgFileName - Name of the message filecover - Cover data into which message data needs to be embeddedcoverFileName - Name of the cover filestegoFileName - Name of the output stego file
OpenStegoException
public byte[] embedData(File msgFile,
File coverFile,
String stegoFileName)
throws OpenStegoException
msgFile - File containing the message data to be embeddedcoverFile - Cover file into which data needs to be embeddedstegoFileName - Name of the output stego file
OpenStegoException
public byte[] embedMark(byte[] sig,
String sigFileName,
byte[] cover,
String coverFileName,
String stegoFileName)
throws OpenStegoException
sig - Signature data to be embeddedsigFileName - Name of the signature filecover - Cover data into which signature data needs to be embeddedcoverFileName - Name of the cover filestegoFileName - Name of the output stego file
OpenStegoException
public byte[] embedMark(File sigFile,
File coverFile,
String stegoFileName)
throws OpenStegoException
sigFile - File containing the signature data to be embeddedcoverFile - Cover file into which data needs to be embeddedstegoFileName - Name of the output stego file
OpenStegoException
public List extractData(byte[] stegoData,
String stegoFileName)
throws OpenStegoException
stegoData - Stego data from which the message needs to be extractedstegoFileName - Name of the stego file
OpenStegoException
public List extractData(File stegoFile)
throws OpenStegoException
stegoFile - Stego file from which message needs to be extracted
OpenStegoException
public byte[] extractMark(byte[] stegoData,
String stegoFileName,
byte[] origSigData)
throws OpenStegoException
stegoData - Stego data from which the watermark needs to be extractedstegoFileName - Name of the stego fileorigSigData - Original signature data
OpenStegoException
public byte[] extractMark(File stegoFile,
File origSigFile)
throws OpenStegoException
stegoFile - Stego file from which watermark needs to be extractedorigSigFile - Original signature file
OpenStegoException
public double checkMark(byte[] stegoData,
String stegoFileName,
byte[] origSigData)
throws OpenStegoException
stegoData - Stego data containing the watermarkstegoFileName - Name of the stego fileorigSigData - Original signature data
OpenStegoException
public double checkMark(File stegoFile,
File origSigFile)
throws OpenStegoException
stegoFile - Stego file from which watermark needs to be extractedorigSigFile - Original signature file
OpenStegoException
public byte[] generateSignature()
throws OpenStegoException
OpenStegoException
public byte[] getDiff(byte[] stegoData,
String stegoFileName,
byte[] coverData,
String coverFileName,
String diffFileName)
throws OpenStegoException
stegoData - Stego data containing the embedded datastegoFileName - Name of the stego filecoverData - Original cover datacoverFileName - Name of the cover filediffFileName - Name of the output difference file
OpenStegoException
public byte[] getDiff(File stegoFile,
File coverFile,
String diffFileName)
throws OpenStegoException
stegoFile - Stego file containing the embedded datacoverFile - Original cover filediffFileName - Name of the output difference file
OpenStegoExceptionpublic OpenStegoConfig getConfig()
public static void main(String[] args)
args - Command line arguments
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