VIPstegano
Rating
Downloads
: 227
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Price : 40.00
Demo
Size :
0.54MB |
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Version : 1.2.1 |
Major Update
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| OS
Win7 x32 , Win7 x64 , Win98 , WinMobile , WinVista , WinVista x64 , WinXP
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A tool to hide notes in a picture
Steganography is a long know strategy to hide messages. Characteristic is that nobody even notices their existence. In digital photos you can easily hide text in the color information. This program uses one pixel per byte text. That means for example that a three Megapixel photo with 24-bit encoding (e. g. 2048 * 1536) can contain 3 Megabytes of text- or a thumbnail of 32 * 32 pixels 1 KB. And you hardly notice it. But the smaller the ratio text/pixels the better. Pictures with only 8-bit color information can be handled as well. Their capacity is a third of the above.
The position of each used pixel looks randomized - if you detect one. It is calculated in a special and very fast way and depends on your password. The password will be not stored in the picture! Try a slightly different password to recover the text and you will observe what a garbage you get. The pictures using the hidden text cannot become compressed. Compression means loss off accuracy. The characters cannot be recognized anymore. You must save them in bmp-format. But you can open and use pictures in jpg-format. Internally they may be transformed to bmp-format. Most programs that can handle pictures can use the bmp-format -- including the latest internet browsers.
The program offers two main windows. The simple text editor with regard to plain text and the picture window.
Main functions:
Hide text - the given text is written to the picture.
Check -- checks if hidden text can be detected with your password
Recover text - reads the hidden text if the password will be correct.
The time that your PC needed for the last process of hiding or recovering text is displayed in the statusbar in milliseconds.
The picture window has these functions:
Open picture, Reload and Save picture
On/off - shows or hides the overview windows
Test: built in testpictures
The trial version has all functions enabled. Only saving of pictures will be disabled after some time.
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Requirements :
CPU > 1 GHz, memory >32 MB
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