SilentEye is a cross-platform application design for an easy use of steganography, in this case hiding messages into pictures or sounds. It provides a pretty nice interface and an easy integration of new steganography algorithm and cryptography process by using a plug-ins system. SilentEye is free to use (under GNU GPL v3).

Read more : https://achorein.github.io/silenteye

Download executable : https://achorein.github.io/silenteye/download/?i2 or http://sourceforge.net/projects/silenteye/files/

• Hide information into images and sounds (LSB) : JPEG, BMP, WAVE
• Encrypte data : AES128, AES256
• Capacity to hide text or file
• zlib compression of message
• Drag & Drop

Batch mode is only available from version 0.4.3 of SilentEye. (source here on branch 0.4)

You can change encode and decode options by editing the following files :

• silenteye.conf
• seformatbmp.conf
• seformatjpeg.conf
• seformatwav.conf Configuration files can be found into user's home or SilentEye directory

Basics:

./silenteye --batch encode ./myfile.png --message "my secret message"
./silenteye --batch encode ./myfile.png --message_file ./message.txt

output format and directory depends on silenteye.conf

Encryption:

./silenteye --batch encode ./myfile.png --message "my secret message" --password "my password"

apt-get install -y g++ libfontconfig1-dev libfreetype6-dev libx11-dev libxcursor-dev libxext-dev libxfixes-dev libxft-dev libxi-dev libxrandr-dev libxrender-dev libssl-dev

You have to install Qt from source with the following commands:

root$ wget http://download.qt.io/official_releases/qt/4.8/4.8.7/qt-everywhere-opensource-src-4.8.7.tar.gz
root$ tar -zxvf qt-everywhere-opensource-src-4.8.7.tar.gz
root$ cd qt-everywhere-opensource-src-4.8.7
root$ ./configure -release -nomake examples -nomake demos -no-qt3support -no-scripttools -no-opengl -no-webkit -no-phonon -no-sql-sqlite -gtkstyle -opensource -prefix /usr/local/Qt-4.8.7-release
root$ make
root$ make install

or for static compilation :

root$ ./configure -static -nomake examples -nomake demos -no-qt3support -no-scripttools -no-opengl -no-webkit -no-phonon -no-sql-sqlite -gtkstyle -opensource -prefix /usr/local/Qt-4.8.7-release

QCA is also required for encryption support (modules) :

root$ wget http://delta.affinix.com/download/qca/2.0/qca-2.0.3.tar.bz2
root$ bunzip2 qca-2.0.3.tar.bz2 && tar -xvf qca-2.0.3.tar
root$ cd qca-2.0.3
root$ patch src/botantools/botan/botan/secmem.h fix_build_gcc4.7.diff
root$ ./configure --qtdir=/usr/local/Qt-4.8.7-release/
root$ make
root$ make install

Download patch : fix_build_gcc4.7.diff

or for static compilation :

./configure --qtdir=/usr/local/Qt-4.8.7-static/ --static

next is QCA plugin for OpenSSL support :

root$ wget http://delta.affinix.com/download/qca/2.0/plugins/qca-ossl-2.0.0-beta3.tar.bz2
root$ bunzip2 qca-ossl-2.0.0-beta3.tar.bz2 && tar -xvf qca-ossl-2.0.0-beta3.tar
root$ cd qca-ossl-2.0.0-beta3
root$ patch qca-ossl.cpp < detect_ssl2_available.diff
root$ patch qca-ossl.cpp < detect_md2_available.diff
root$ ./configure --qtdir=/usr/local/Qt-4.8.7-release/
root$ make
root$ make install

Download patch : detect_ssl2_available.diff and detect_md2_available.diff

or for static compilation :

./configure --qtdir=/usr/local/Qt-4.8.7-static/ --static

CMake (version > 2.8.10 required) :

root$ apt-get install cmake

Then download and move into source folder :

user$ git clone --branch 0.4 https://github.com/achorein/silenteye.git
user$ cd silenteye

Now you can generate MakeFile like this :

user$ export PATH=/usr/local/Qt-4.8.7-release/bin:$PATH
user$ ENABLE_MODULE=1 cmake .

or for static compilation :

user$ export PATH=$PATH:/usr/local/Qt-4.8.7-static/bin
user$ ENABLE_MODULE=1 ENABLE_STATIC=1 cmake .

Just run make command to build the project

make

You can now run silenteye with the following command :

./silenteye

Installation information can be found in "Compilation options" section (use of ENABLE_PACK=1).

$root> ENABLE_PACK=1 ENABLE_MODULE=1 LOGPATH_USERHOME=1 CONFPATH_USERHOME=1 ENABLE_GNOMEMENU=1 cmake .
$root> make
$root> make install
or
$root> make install DESTDIR=$PKG

Download and install the following tools :

• Qt 4.8 SDK (MinGW) : http://download.qt.io/official_releases/qt/4.8/4.8.7/qt-opensource-windows-x86-mingw482-4.8.7.exe
• CMake 2.8.12 : http://cmake.org/files/v2.8/cmake-2.8.12.2-win32-x86.exe
• OpenSSL 1.0.2d for windows : https://www.openssl.org/community/binaries.html
• Download QCA 2.0.1 for MinGW : http://delta.affinix.com/download/qca/2.0/qca-2.0.1-mingw.zip
  • copy qca2.dll and qcad2.dll into C:\Qt\2010.04\qt\bin
  • copy libqca2.a and libqcad2.a into C:\Qt\2010.04\qt\lib
  • copy QtCrypto directory into C:\Qt\2010.04\qt\include
• Download QCA-OSSL 2.0.0 for MinGW : http://delta.affinix.com/download/qca/2.0/plugins/qca-ossl-2.0.0-beta3.tar.bz2
  • copy qca-ossl2.dll into C:\Qt\2010.04\qt\plugins\crypto

Making QCA works (compilation and packaging) with mingw was really painfull, that's why i provide you an archive you just have to uncompress into your qt installation directory : qca2-qtfolder.zip

Then download :

user$ git clone --branch 0.4 https://github.com/achorein/silenteye.git

• Download QtCreator : http://download.qt.io/official_releases/qtcreator/3.5/3.5.0/qt-creator-opensource-windows-x86-3.5.0.exe

1. Configure Kit and cmake http://doc.qt.io/qtcreator/creator-targets.html
2. Open file or project => select silenteye/CMakeLists.txt
3. Choose mingw generator and set parameter to "."
4. Configure project compilation
5. add environnement variable: ENABLE_MODULE set to 1
6. add step (before mingw32-make). => cmake.exe with parameter "."
7. Close Qt Creator and reopen it using your last session (force files scan)

Just use the run function of Qt Creator