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175 lines
4.7 KiB
ReStructuredText
175 lines
4.7 KiB
ReStructuredText
Release History
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===============
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0.8 (2017-05-06)
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----------------
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* updated command line. All commands are now prefixed with *stegano-*;
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* improved type hints;
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* it is possible to load and save images from and to file objects (BytesIO);
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* improved checks when revealing a message with the lsbset module fails.
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0.7.1 (2017-05-05)
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------------------
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* improved generators for the lsb-set module;
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* improved tests for the generators;
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* improved type hints.
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0.7 (2017-05-04)
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----------------
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* unicode is now supported. By default UTF-8 encoding is used. UTF-32LE can also
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be used to hide non-ASCII characters. UTF-8 (8 bits) is the default choice
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since it is possible to hide longer messages with it.
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* improved checks with type hints.
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0.6.9 (2017-03-10)
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------------------
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* introduces some type hints (PEP 484);
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* more tests for the generators and for the tools module;
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* updated descriptions of generators;
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* fixed a bug with a generator that has been previously renamed.
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0.6.8 (2017-03-08)
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------------------
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* bugfix: fixed #12: Error when revealing a hidden binary file in an image.
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0.6.7 (2017-02-21)
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------------------
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* bugfix: added missing dependency in the setup.py file.
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0.6.6 (2017-02-20)
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------------------
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* improved docstrings for the desciption of the generators;
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* improved the command which displays the list of generators.
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0.6.5 (2017-02-16)
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------------------
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* added a command to list all available generators for the lsb-set module;
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* test when the data image is coming via byte stream, for the lsb module.
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0.6.4 (2017-02-06)
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------------------
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* a command line for the 'red' module has been added;
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* bugfix: fixed a bug in the lsb-set command line when the generator wasn't
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specified by the user.
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0.6.3 (2017-01-29)
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------------------
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* Support for transparent PNG images has been added (lsb and lsbset modules).
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0.6.2 (2017-01-19)
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------------------
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* bugfix: solved a bug when the image data is coming via byte streams (ByteIO),
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for the exifHeader hiding method.
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0.6.1 (2016-08-25)
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------------------
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* reorganization of the steganalysis sub-module.
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0.6 (2016-08-04)
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------------------
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* improvements of the command line of Stéganô. The use of Stéganô through the
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command line has slightly changed ('hide' and 'reveal' are now sub-parameters
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of the command line). No changes if you use Stéganô as a module in your
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software. The documentation has been updated accordingly.
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0.5.5 (2016-08-03)
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------------------
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* bugfix: Incorrect padding size in `base642string` in tools.base642binary().
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0.5.4 (2016-05-22)
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------------------
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* the generator provided to the functions lsbset.hide() and lsbset.reveal() is
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now a function. This is more convenient for a user who wants to use a custom
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generator (not in the module lsbset.generators).
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* performance improvements for the lsb and lsbset modules.
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0.5.3 (2016-05-19)
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------------------
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* reorganization of all modules. No impact for the users of Stegano.
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0.5.2 (2016-05-18)
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------------------
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* improvements and bug fixes for the exifHeader module;
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* added unit tests for the exifHeader module;
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* improvements of the documentation.
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0.5.1 (2016-04-16)
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------------------
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* minor improvements and bug fixes;
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* added unit tests for the slsb and slsbset modules.
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0.5 (2016-03-18)
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----------------
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* management of greyscale images.
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0.4.6 (2016-03-12)
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------------------
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* bugfix when the length of the message to hide is not divisible by 3,
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for the slsb and slsbset module.
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0.4.5 (2015-12-23)
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------------------
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* bugfix.
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0.4.4 (2015-12-23)
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------------------
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* new project home page;
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* minor updated to the documentation.
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0.4.3 (2015-10-06)
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------------------
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* bug fixes for Python 3;
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* bug fixes in the scripts in *./bin*.
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0.4.2 (2015-10-05)
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------------------
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* first stable release on PypI.
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0.4 (2012-01-02)
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----------------
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This release introduces a more advanced LSB (Least Significant Bit) method
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based on integers sets. The sets generated with Python generators
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(Sieve of Eratosthenes, Fermat, Carmichael numbers, etc.) are used to select
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the pixels used to hide the information. You can use these new methods in your
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Python codes as a Python module or as a program in your scripts.
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0.3 (2011-04-15)
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----------------
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* you can now use Stéganô as a library in your Python program;
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(python setup.py install) or as a 'program' thanks to the scripts provided
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in the bin directory;
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* new documentation (reStructuredText) comes with Stéganô.
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0.2 (2011-03-24)
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----------------
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* this release introduces some bugfixes and a major speed improvement of the
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*reveal* function for the LSB method. Moreover it is now possible to hide a
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binary file (ogg, executable, etc.);
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* a new technique for hiding/revealing a message in a JPEG picture by using the
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description field of the image is provided.
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