SteganographyWhat does this feature do?
Steganography can hiding information inside the picture so thats it is impossible to detect this. Safe Notetes Steganography meets the strongest military standards. Can by used high grade image size resampler with Bicubic, Lanczos, Catmull-Rom, Mitchell, Gausian and other resample filters. Steganography uses always unlimited security with 3x2240 bits encryption keys.How secure are the encrypted Safe Notes Steganography files?
Steganography use the same crypto-engine as the main Safe Notes file crypto-engine. With two diferences. First, header is encrypted and without proper password is undetectable that picture contain encrypted information. Second, it is used highest security even with free unregistered version. Always are used three independent keys with a 2240-bit length (6720-bit total) with six ciphers - AES, Blowfish, Twofish, IDEA, CAST6 and Serpent. They are used one after another in cascade with separate keys and initialization vectors.What are the details of the encryption used in Safe Notes Steganography?
Information stored in the last significant bit (LSB) of an image pixel when filter A is used.
Filter B use 1-2 LSB, Filter C use 2-3 LSB. The stored stream, containing encrypted data, has an atribute of a true random bits.
It's not possible to distinguish it from the digital noise of the photo.
More detailed info available in SafeNotes
You must create and save any safe notes file. Then use menu command "File|SafeMS and Steganography|Steganography - Hide this Safe Notes data inside an image or photo...". Next, select cover picture for stegano action (this original file will not be changed). That is all.
The steganography has several settings that are accessible through the menu "Tools|Options".How can I decrypt a stegano picture?
For decrypting you must open a stegano picture. You must set proper password. Then use menu command "File|SafeMS and Steganography|Steganography - Extract hidden data from this picture". That is all.
How can I decrypt a stegano picture - a real test
Please follow the instructions below to test the steganography:
- Drag and drop this stegano picture in the SafeNotes application.
- Set password to "test".
- Use menu command "File | SafeMS and Steganography | Steganography - Extract hidden data from this picture".