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java.lang.Objectnet.sourceforge.openstego.OpenStego
public class 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 | |
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static java.lang.String |
NAMESPACE
Constant for the namespace for labels |
Constructor Summary | |
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OpenStego(OpenStegoPlugin plugin)
Constructor using the default configuration |
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OpenStego(OpenStegoPlugin plugin,
java.util.Map propMap)
Constructor with configuration data in the form of Map |
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OpenStego(OpenStegoPlugin plugin,
OpenStegoConfig config)
Constructor using OpenStegoConfig object |
Method Summary | |
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double |
checkMark(byte[] stegoData,
java.lang.String stegoFileName,
byte[] origSigData)
Method to check the correlation for the given image and the original signature |
double |
checkMark(java.io.File stegoFile,
java.io.File origSigFile)
Method to check the correlation for the given image and the original signature (alternate API) |
byte[] |
embedData(byte[] msg,
java.lang.String msgFileName,
byte[] cover,
java.lang.String coverFileName,
java.lang.String stegoFileName)
Method to embed the message data into the cover data |
byte[] |
embedData(java.io.File msgFile,
java.io.File coverFile,
java.lang.String stegoFileName)
Method to embed the message data into the cover data (alternate API) |
byte[] |
embedMark(byte[] sig,
java.lang.String sigFileName,
byte[] cover,
java.lang.String coverFileName,
java.lang.String stegoFileName)
Method to embed the watermark signature data into the cover data |
byte[] |
embedMark(java.io.File sigFile,
java.io.File coverFile,
java.lang.String stegoFileName)
Method to embed the watermark signature data into the cover data (alternate API) |
java.util.List |
extractData(byte[] stegoData,
java.lang.String stegoFileName)
Method to extract the message data from stego data |
java.util.List |
extractData(java.io.File stegoFile)
Method to extract the message data from stego data (alternate API) |
byte[] |
extractMark(byte[] stegoData,
java.lang.String stegoFileName,
byte[] origSigData)
Method to extract the watermark data from stego data |
byte[] |
extractMark(java.io.File stegoFile,
java.io.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,
java.lang.String stegoFileName,
byte[] coverData,
java.lang.String coverFileName,
java.lang.String diffFileName)
Method to get difference between original cover file and the stegged file |
byte[] |
getDiff(java.io.File stegoFile,
java.io.File coverFile,
java.lang.String diffFileName)
Method to get difference between original cover file and the stegged file |
static void |
main(java.lang.String[] args)
Main method for calling openstego from command line. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.lang.String NAMESPACE
Constructor Detail |
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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, java.util.Map propMap) throws OpenStegoException
Map
- Parameters:
plugin
- Plugin objectpropMap
- Map containing the configuration data
- Throws:
OpenStegoException
Method Detail |
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public byte[] embedData(byte[] msg, java.lang.String msgFileName, byte[] cover, java.lang.String coverFileName, java.lang.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(java.io.File msgFile, java.io.File coverFile, java.lang.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, java.lang.String sigFileName, byte[] cover, java.lang.String coverFileName, java.lang.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(java.io.File sigFile, java.io.File coverFile, java.lang.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 java.util.List extractData(byte[] stegoData, java.lang.String stegoFileName) throws OpenStegoException
stegoData
- Stego data from which the message needs to be extractedstegoFileName
- Name of the stego file
OpenStegoException
public java.util.List extractData(java.io.File stegoFile) throws OpenStegoException
stegoFile
- Stego file from which message needs to be extracted
OpenStegoException
public byte[] extractMark(byte[] stegoData, java.lang.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(java.io.File stegoFile, java.io.File origSigFile) throws OpenStegoException
stegoFile
- Stego file from which watermark needs to be extractedorigSigFile
- Original signature file
OpenStegoException
public double checkMark(byte[] stegoData, java.lang.String stegoFileName, byte[] origSigData) throws OpenStegoException
stegoData
- Stego data containing the watermarkstegoFileName
- Name of the stego fileorigSigData
- Original signature data
OpenStegoException
public double checkMark(java.io.File stegoFile, java.io.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, java.lang.String stegoFileName, byte[] coverData, java.lang.String coverFileName, java.lang.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(java.io.File stegoFile, java.io.File coverFile, java.lang.String diffFileName) throws OpenStegoException
stegoFile
- Stego file containing the embedded datacoverFile
- Original cover filediffFileName
- Name of the output difference file
OpenStegoException
public OpenStegoConfig getConfig()
public static void main(java.lang.String[] args)
args
- Command line arguments
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