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An Electronic Shelf Label is a device that's typically attached to the front edge of retail shelving.
ESL Firebase Edition V2.0 utilizes the AES-256 in CBC mode and Google Firebase. It doesn't require an expensive gateway to function, once configured, all it needs is a power supply and a Wi-Fi access point.
ESL Firebase Edition V2.0 allows you to operate as many of them as you wish, provided that each has its own unique ID, and there's enough power and bandwidth for all of them.
For...
virgo-steganography
Hidding any binary flle < 64k in image
Require opencv on ubuntu, osx and android tested on Nougat (OpenCV Manager 3.0) armeabi
To embed (output file name is o.png)
./embed image-file binary-file
To extract
./extract steganography-file
Compiled and run on os x, ubuntu, windows and android
Most beautiful ratio image/binary 3MBytes/64KBytes
https://www.youtube.com/watch?
This software provides an easy graphical way to encrypt your text documents from source code , text files ,scripts even jpeg files .It is a enhanced version of my earlier project https://sourceforge.net/p/xorencrypt which used win32 GUI .
This is a demonstration of working of XOR encryption which was used by Germans in World War II (http://en.wikipedia.org/wiki/Lorenz_cipher) .
Besides from XOR'ing the message with password after every encryption the key changes pseudorandomly....