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Hermetic 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 (this is explained more fully in the Introduction). 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.
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trial versionHermetic Stego inserts data in the image file in a pseudo-random way depending on a password, 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.
Here is a typical screenshot, after hiding a file:
You can toggle between yellow and gray by double-clicking on any part of the window which is not a control.
Hermetic Stego User Manual
Trial version: A copy of the Hermetic Stego installation program can be downloaded from this website for the purpose of installing a trial version for evaluation. Click on the following link for further information:
Download Hermetic Stego ...
Price and ordering: A single-user license is available for a period of 3 months, 1 year or with no time limit (a 'perpetual' license). Prices for each type of license are given at Purchase a User License. An activation key is required in order to make the trial version fully functional. An activation key can be obtained immediately if purchasing via PayPal.
Refund: A refund will be provided promptly up to 30 days after purchase if the software does not perform satisfactorily.
Updates: Purchasers of a user license for this software are entitled to an update to any later version at no additional cost.
Cryptography and Security Hermetic Systems Home Page
