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Hermetic Stego 9.49

A steganography program to hide a data file within multiple BMP image files.


Last Week downloads: 0
Total downloads: 326
  • Last Updated: Jan 15, 2013
  • License: Shareware $7.45
  • OS: Windows 7/Vista/XP/2000/98
  • Requirements: No special requirements

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4 out of 5 based on 1 ratings for Hermetic Stego 9.49

For Hermetic Stego 9.49Publisher's description


Hermetic Stego is a Security software developed by Hermetic Systems. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Hermetic Stego:

42882 Factorizer
11014 Hermetic SystemsHermetic Stego is a program for hiding a data file in a single BMP image or in a set of BMP images and for extracting a data file hidden in this way. The file may be of any kind, not just a text file, and thus may be a file such as an MS Word document, an Excel Spreadsheet or an image file. Furthermore the file may be of any size up to 200 MB, as long as the BMP image files are sufficient in number and size to HOLD the data.

This steganography software inserts data in the image file in a Pseudo-random way depending on a password (which is also used to encrypt the data), and changes other bits of the image file to compensate for the modifications induced by the hidden data so as to avoid modifying statistical properties of the image file. It is thus much more secure than most steganography programs.

Hermetic Stego differs from other steganograpy software in four respects:

1. There is no limit on the type or the size of the file to be hidden because Hermetic Stego can hide a data file, not just in a single BMP image file, but in a set of them — as many images as needed to contain the data file (but see the note below).

2. The bits of the data are inserted into the bytes of the image files randomly and in such a way as to defeat the use of statistical tests to reveal the presence of hidden data.

3. The program can be used with a user-specified stego key or with a Default stego key; use of a default stego key allows sending hidden data to another person who does not know what that stego key is.

4. The stego key (user-specified or default) is used not only to facilitate random selection of bytes for hiding data file bits but also is used to encrypt the data file.
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