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-Metadata-Version: 1.2
-Name: pysha3
-Version: 1.0.2
-Summary: SHA-3 (Keccak) for Python 2.7 - 3.5
-Home-page: https://github.com/tiran/pysha3
-Author: Christian Heimes
-Author-email: [email protected]
-Maintainer: Christian Heimes
-Maintainer-email: [email protected]
-License: PSFL (Keccak: CC0 1.0 Universal)
-Description: ======
- pysha3
- ======
-
- SHA-3 wrapper (keccak) for Python. The package is a wrapper around the
- optimized Keccak Code Package, https://github.com/gvanas/KeccakCodePackage .
-
- The module is a standalone version of my SHA-3 module from Python 3.6
- (currently under development). The code in sha3module.c has been modified to
- be compatible with Python 2.7 to 3.5. Python 2.6 and earlier are not
- supported.
-
-
- Updates since pysha 0.3
- =======================
-
- **pysha3 1.0 is not compatible with pysha3 0.3!**
-
- pysha3 < 1.0 used the old Keccak implementation. During the finalization of
- SHA3, NIST changed the delimiter suffix from 0x01 to 0x06. The Keccak sponge
- function stayed the same. pysha3 1.0 provides the previous Keccak hash, too.
-
-
- Platforms
- =========
-
- pysha3 has been successfully tested on several platforms:
-
- - Linux (GCC, clang) on X86, X86_64 and ARMv6 (little endian)
- - Windows (VS 2008, VS 2010, VS2015) on X86 and X86_64
-
-
- Usage
- =====
-
- The `sha3` module contains several constructors for hash objects with a
- PEP 247 compatible interface. The module provides SHA3, SHAKE and Keccak:
-
- * `sha3_228()`, `sha3_256()`, `sha3_384()`, and `sha3_512()`
- * `shake_128()`, `shake_256()`
- * `keccak_228()`, `keccak_256()`, `keccak_384()`, and `keccak_512()`
-
- The `sha3` module monkey patches the `hashlib` module . The monkey patch is
- automatically activated with the first import of the `sha3` module. The
- `hashlib` module of Python 3.6 will support the four SHA-3 algorithms and
- the two SHAKE algorithms on all platforms. Therefore you shouldn't use the
- sha3 module directly and rather go through the `hashlib` interface::
-
- >>> import sys
- >>> import hashlib
- >>> if sys.version_info < (3, 6):
- ... import sha3
- >>> s = hashlib.sha3_512()
- >>> s.name
- 'sha3_512'
- >>> s.digest_size
- 64
- >>> s.update(b"data")
- >>> s.hexdigest()
- 'ceca4daf960c2bbfb4a9edaca9b8137a801b65bae377e0f534ef9141c8684c0fedc1768d1afde9766572846c42b935f61177eaf97d355fa8dc2bca3fecfa754d'
-
- >>> s = hashlib.shake_256()
- >>> s.update(b"data")
- >>> s.hexdigest(4)
- 'c73dbed8'
- >>> s.hexdigest(8)
- 'c73dbed8527f5ae0'
- >>> s.hexdigest(16)
- 'c73dbed8527f5ae0568679f30ecc5cb6'
-
- >>> import sha3
- >>> k = sha3.keccak_512()
- >>> k.update(b"data")
- >>> k.hexdigest()
- '1065aceeded3a5e4412e2187e919bffeadf815f5bd73d37fe00d384fe29f55f08462fdabe1007b993ce5b8119630e7db93101d9425d6e352e22ffe3dcb56b825'
-
- Changelog
- =========
-
- pysha3 1.0.2
- ------------
-
- *Release: 05-Feb-2017*
-
- - Rename internal C extension to _pysha3 to avoild conflict with Python 3.6'
- _sha3 extension.
-
- pysha3 1.0.1
- ------------
-
- *Release: 24-Jan-2017*
-
- - Fix github.org -> github.com (Pi Delport)
-
- - Fix endianness checks for Python 2 (William Grant)
-
- - Fix changelog, the Christmas release was 1.0.0, not 1.1.0
-
- pysha3 1.0.0
- ------------
-
- *Release date: 24-Dec-2016*
-
- - Synchronize with Python 3.6.0 release
-
- - Move all backport related additions to backport.inc
-
- - Fix flake8 violations
-
-
- pysha3 1.0b1
- ------------
-
- *Release date: 01-May-2016*
-
- - Update backend to use the latest Keccak Code Package. pysha3 now implements
- the official NIST standard. The old Keccak hashes are available with
- keccak prefix.
-
- - Add SHAKE support.
-
- - All sha3, shake and keccak variants are separate types instead of factory
- functions that return the same type.
-
- - Drop Python 2.6 and Python 3.0 to 3.3 support.
-
- - Fix typo that disabled threading optimization.
-
- - Add vector files for additional tests.
-
- - Add experimental HMAC support based on examples from
- http://wolfgang-ehrhardt.de/hmac-sha3-testvectors.html .
-
- - Test hashing of unaligned data.
-
- - Add ISO C11 memset_s() function as _Py_memset_s() in order to securely
- wipe memory that holds sensitive data. The page
- https://www.securecoding.cert.org/confluence/display/seccode/MSC06-C.+Be+aware+of+compiler+optimization+when+dealing+with+sensitive+data
- explains the motivation for memset_s().
-
- - Add tox support.
-
- - Add Travis and appveyor integration.
-
- - Add _capacity_bits, _rate_bits and _suffix attributes for diagnostic
- purposes.
-
-
- pysha3 0.3
- ----------
-
- *Release date: 14-Oct-2012*
-
- - Fix 64bit big endian support
-
- - Add workaround for alignment error on 64bit SPARC machine by using the opt32
- implementation.
-
- - block_size now returns NotImplemented to prevent users from using pysha3
- with the hmac module.
-
-
- pysha3 0.2.2
- ------------
-
- *Release date: 07-Oct-2012*
-
- - Re-add brg_endian.h to fix issue on Solaris (big endian platform)
-
-
- pysha3 0.2.1
- ------------
-
- *Release date: 06-Oct-2012*
-
- - Fix MANIFEST.in to include Makefile and tests.py
-
- - Add setup.py test command with hack for inplace builds
-
- - Enhance README.txt and fixed its markup
-
-
- pysha3 0.2
- ----------
-
- *Release date: 06-Oct-2012*
-
- - Change directory struct to use the same directory layout as Python 3.4.
-
- - Remove C++ comments from Keccak sources for ANSI C compatibility.
-
- - Declare all Keccak functions and globals as static to avoid name clashes.
-
- - Remove alias sha3() for sha3_512().
-
- - Add block_size attribute. Keccak has a internal sponge size of 1600 bits.
-
- - Release GIL around SHA3_update() calls.
-
- - Monkey patch the hashlib module to support, e.g. hashlib.sha3_512() and
- hashlib.new("sha3_512")
-
- - Release GIL around SHA3_update() when the data exceeds a certain size.
-
- - Fix build on platforms with an unsigned 64bit integer type (uint64_t). The
- module falls back to 32bit implementation of Keccak with interleave tables.
-
-
- pysha3 0.1
- ----------
-
- *Release date: 04-Oct-2012*
-
- - first release
-
- - based on KeccakReferenceAndOptimized-3.2.zip
-
-
-Keywords: sha3 sha-3 keccak hash
-Platform: POSIX
-Platform: Windows
-Classifier: Development Status :: 4 - Beta
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: Python Software Foundation License
-Classifier: License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
-Classifier: Natural Language :: English
-Classifier: Operating System :: MacOS :: MacOS X
-Classifier: Operating System :: POSIX
-Classifier: Operating System :: POSIX :: BSD
-Classifier: Operating System :: POSIX :: Linux
-Classifier: Operating System :: Microsoft :: Windows
-Classifier: Programming Language :: C
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Programming Language :: Python :: 3.5
-Classifier: Topic :: Security :: Cryptography