From 5d86cfd98437eaa2b84b07ba19d51d50d64bc53f Mon Sep 17 00:00:00 2001 From: Walter Purcaro Date: Tue, 12 May 2015 14:07:48 +0200 Subject: Missing optional lib --- lib/Python/Lib/Crypto/Random/OSRNG/fallback.py | 46 ++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 lib/Python/Lib/Crypto/Random/OSRNG/fallback.py (limited to 'lib/Python/Lib/Crypto/Random/OSRNG/fallback.py') diff --git a/lib/Python/Lib/Crypto/Random/OSRNG/fallback.py b/lib/Python/Lib/Crypto/Random/OSRNG/fallback.py new file mode 100644 index 000000000..5bb612607 --- /dev/null +++ b/lib/Python/Lib/Crypto/Random/OSRNG/fallback.py @@ -0,0 +1,46 @@ +# +# Random/OSRNG/fallback.py : Fallback entropy source for systems with os.urandom +# +# Written in 2008 by Dwayne C. Litzenberger +# +# =================================================================== +# The contents of this file are dedicated to the public domain. To +# the extent that dedication to the public domain is not available, +# everyone is granted a worldwide, perpetual, royalty-free, +# non-exclusive license to exercise all rights associated with the +# contents of this file for any purpose whatsoever. +# No rights are reserved. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS +# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. +# =================================================================== + + +__revision__ = "$Id$" +__all__ = ['PythonOSURandomRNG'] + +import os + +from rng_base import BaseRNG + +class PythonOSURandomRNG(BaseRNG): + + name = "" + + def __init__(self): + self._read = os.urandom + BaseRNG.__init__(self) + + def _close(self): + self._read = None + +def new(*args, **kwargs): + return PythonOSURandomRNG(*args, **kwargs) + +# vim:set ts=4 sw=4 sts=4 expandtab: -- cgit v1.2.3