1 files changed, 0 insertions, 230 deletions
diff --git a/frozen_deps/Crypto/Random/_UserFriendlyRNG.py b/frozen_deps/Crypto/Random/_UserFriendlyRNG.py
deleted file mode 100644
index 937c17d..0000000
--- a/frozen_deps/Crypto/Random/_UserFriendlyRNG.py
+++ /dev/null
@@ -1,230 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-#  Random/_UserFriendlyRNG.py : A user-friendly random number generator
-#
-# 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 *
-
-import os
-import threading
-import struct
-import time
-from math import floor
-
-from Crypto.Random import OSRNG
-from Crypto.Random.Fortuna import FortunaAccumulator
-
-class _EntropySource(object):
-    def __init__(self, accumulator, src_num):
-        self._fortuna = accumulator
-        self._src_num = src_num
-        self._pool_num = 0
-
-    def feed(self, data):
-        self._fortuna.add_random_event(self._src_num, self._pool_num, data)
-        self._pool_num = (self._pool_num + 1) & 31
-
-class _EntropyCollector(object):
-
-    def __init__(self, accumulator):
-        self._osrng = OSRNG.new()
-        self._osrng_es = _EntropySource(accumulator, 255)
-        self._time_es = _EntropySource(accumulator, 254)
-        self._clock_es = _EntropySource(accumulator, 253)
-
-    def reinit(self):
-        # Add 256 bits to each of the 32 pools, twice.  (For a total of 16384
-        # bits collected from the operating system.)
-        for i in range(2):
-            block = self._osrng.read(32*32)
-            for p in range(32):
-                self._osrng_es.feed(block[p*32:(p+1)*32])
-            block = None
-        self._osrng.flush()
-
-    def collect(self):
-        # Collect 64 bits of entropy from the operating system and feed it to Fortuna.
-        self._osrng_es.feed(self._osrng.read(8))
-
-        # Add the fractional part of time.time()
-        t = time.time()
-        self._time_es.feed(struct.pack("@I", int(2**30 * (t - floor(t)))))
-
-        # Add the fractional part of time.clock()
-        t = time.clock()
-        self._clock_es.feed(struct.pack("@I", int(2**30 * (t - floor(t)))))
-
-
-class _UserFriendlyRNG(object):
-
-    def __init__(self):
-        self.closed = False
-        self._fa = FortunaAccumulator.FortunaAccumulator()
-        self._ec = _EntropyCollector(self._fa)
-        self.reinit()
-
-    def reinit(self):
-        """Initialize the random number generator and seed it with entropy from
-        the operating system.
-        """
-
-        # Save the pid (helps ensure that Crypto.Random.atfork() gets called)
-        self._pid = os.getpid()
-
-        # Collect entropy from the operating system and feed it to
-        # FortunaAccumulator
-        self._ec.reinit()
-
-        # Override FortunaAccumulator's 100ms minimum re-seed interval.  This
-        # is necessary to avoid a race condition between this function and
-        # self.read(), which that can otherwise cause forked child processes to
-        # produce identical output.  (e.g. CVE-2013-1445)
-        #
-        # Note that if this function can be called frequently by an attacker,
-        # (and if the bits from OSRNG are insufficiently random) it will weaken
-        # Fortuna's ability to resist a state compromise extension attack.
-        self._fa._forget_last_reseed()
-
-    def close(self):
-        self.closed = True
-        self._osrng = None
-        self._fa = None
-
-    def flush(self):
-        pass
-
-    def read(self, N):
-        """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")
-
-        # Collect some entropy and feed it to Fortuna
-        self._ec.collect()
-
-        # Ask Fortuna to generate some bytes
-        retval = self._fa.random_data(N)
-
-        # Check that we haven't forked in the meantime.  (If we have, we don't
-        # want to use the data, because it might have been duplicated in the
-        # parent process.
-        self._check_pid()
-
-        # Return the random data.
-        return retval
-
-    def _check_pid(self):
-        # Lame fork detection to remind developers to invoke Random.atfork()
-        # after every call to os.fork().  Note that this check is not reliable,
-        # since process IDs can be reused on most operating systems.
-        #
-        # You need to do Random.atfork() in the child process after every call
-        # to os.fork() to avoid reusing PRNG state.  If you want to avoid
-        # leaking PRNG state to child processes (for example, if you are using
-        # os.setuid()) then you should also invoke Random.atfork() in the
-        # *parent* process.
-        if os.getpid() != self._pid:
-            raise AssertionError("PID check failed. RNG must be re-initialized after fork(). Hint: Try Random.atfork()")
-
-
-class _LockingUserFriendlyRNG(_UserFriendlyRNG):
-    def __init__(self):
-        self._lock = threading.Lock()
-        _UserFriendlyRNG.__init__(self)
-
-    def close(self):
-        self._lock.acquire()
-        try:
-            return _UserFriendlyRNG.close(self)
-        finally:
-            self._lock.release()
-
-    def reinit(self):
-        self._lock.acquire()
-        try:
-            return _UserFriendlyRNG.reinit(self)
-        finally:
-            self._lock.release()
-
-    def read(self, bytes):
-        self._lock.acquire()
-        try:
-            return _UserFriendlyRNG.read(self, bytes)
-        finally:
-            self._lock.release()
-
-class RNGFile(object):
-    def __init__(self, singleton):
-        self.closed = False
-        self._singleton = singleton
-
-    # PEP 343: Support for the "with" statement
-    def __enter__(self):
-        """PEP 343 support"""
-    def __exit__(self):
-        """PEP 343 support"""
-        self.close()
-
-    def close(self):
-        # Don't actually close the singleton, just close this RNGFile instance.
-        self.closed = True
-        self._singleton = None
-
-    def read(self, bytes):
-        if self.closed:
-            raise ValueError("I/O operation on closed file")
-        return self._singleton.read(bytes)
-
-    def flush(self):
-        if self.closed:
-            raise ValueError("I/O operation on closed file")
-
-_singleton_lock = threading.Lock()
-_singleton = None
-def _get_singleton():
-    global _singleton
-    _singleton_lock.acquire()
-    try:
-        if _singleton is None:
-            _singleton = _LockingUserFriendlyRNG()
-        return _singleton
-    finally:
-        _singleton_lock.release()
-
-def new():
-    return RNGFile(_get_singleton())
-
-def reinit():
-    _get_singleton().reinit()
-
-def get_random_bytes(n):
-    """Return the specified number of cryptographically-strong random bytes."""
-    return _get_singleton().read(n)
-
-# vim:set ts=4 sw=4 sts=4 expandtab: