Python wrappers for a few algorithms from the Crypto++ library
pycryptopp is a python wrapper around a few algorithms from the Crypto++ and python-Ed25519 libraries.
It lives at https://tahoe-lafs.org/trac/pycryptopp
You may use this package under the GNU General Public License, version 2 or, at your option, any later version. You may use this package under the Transitive Grace Period Public Licence, version 1.0 or, at your option, any later version. (You may choose to use this package under the terms of either licence, at your option.) See the file COPYING.GPL for the terms of the GNU General Public License, version 2. See the file COPYING.TGPPL.html for the terms of the Transitive Grace Period Public Licence, version 1.0.
The Ed25519 code comes from the python-ed25519 distribution ¹, for which the basic C code is in the public domain, and the Python bindings are under the MIT license. See COPYING.ed25519 for details.
To build it run “./setup.py build”. To test it run “./setup.py test”. To install it into your system run “./setup.py install”. To create a binary package run “./setup.py bdist_egg”.
If “./setup.py test” doesn’t print out “PASSED” and exit with exit code 0 then there is something seriously wrong. Do not use this build of pycryptopp. Please report the error to the tahoe-dev mailing list ².
The documentation is in the docstrings. From a command-line, use “pydoc pycryptopp”, “pydoc pycryptopp.cipher”, and so on. From within a Python interpreter use “help(pycryptopp)”, “help(pycryptopp.cipher)”, “help(pycryptopp.cipher.aes)” and so on.
The documentation for pycryptopp.publickey.ed25519 is in README.ed25519, adapted from the upstream python-ed25519 library.
Please post to the tahoe-dev mailing list ² with comments about this package.
If you are not already acquainted with how to use modern cryptography, buy a copy of Ferguson, Schneier, and Kohno “Cryptography Engineering” and read it. It is easy going and will increase your understanding greatly.
Thanks to Wei Dai and the contributors to Crypto++, Andrew M. Kuchling for his “pycrypto” library which inspired this one, Brian Warner for help on Python packaging questions, python-Ed25519, inspiration, and a million other things besides, Greg Hazel and Samuel Neves for Windows porting and fixing bugs, and Daniel J. Bernstein for Ed25519.
Santa Clara, California, USA
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