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-rw-r--r--frozen_deps/Crypto/Random/OSRNG/rng_base.py88
1 files changed, 0 insertions, 88 deletions
diff --git a/frozen_deps/Crypto/Random/OSRNG/rng_base.py b/frozen_deps/Crypto/Random/OSRNG/rng_base.py
deleted file mode 100644
index 546f2e9..0000000
--- a/frozen_deps/Crypto/Random/OSRNG/rng_base.py
+++ /dev/null
@@ -1,88 +0,0 @@
-#
-# Random/OSRNG/rng_base.py : Base class for OSRNG
-#
-# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
-#
-# ===================================================================
-# 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__ = "$Id$"
-
-import sys
-if sys.version_info[0] == 2 and sys.version_info[1] == 1:
- from Crypto.Util.py21compat import *
-
-class BaseRNG(object):
-
- def __init__(self):
- self.closed = False
- self._selftest()
-
- def __del__(self):
- self.close()
-
- def _selftest(self):
- # Test that urandom can return data
- data = self.read(16)
- if len(data) != 16:
- raise AssertionError("read truncated")
-
- # Test that we get different data every time (if we don't, the RNG is
- # probably malfunctioning)
- data2 = self.read(16)
- if data == data2:
- raise AssertionError("OS RNG returned duplicate data")
-
- # PEP 343: Support for the "with" statement
- def __enter__(self):
- pass
- def __exit__(self):
- """PEP 343 support"""
- self.close()
-
- def close(self):
- if not self.closed:
- self._close()
- self.closed = True
-
- def flush(self):
- pass
-
- def read(self, N=-1):
- """Return N bytes from the RNG."""
- if self.closed:
- raise ValueError("I/O operation on closed file")
- if not isinstance(N, int):
- raise TypeError("an integer is required")
- if N < 0:
- raise ValueError("cannot read to end of infinite stream")
- elif N == 0:
- return ""
- data = self._read(N)
- if len(data) != N:
- raise AssertionError("%s produced truncated output (requested %d, got %d)" % (self.name, N, len(data)))
- return data
-
- def _close(self):
- raise NotImplementedError("child class must implement this")
-
- def _read(self, N):
- raise NotImplementedError("child class must implement this")
-
-
-# vim:set ts=4 sw=4 sts=4 expandtab: