1 files changed, 0 insertions, 131 deletions
diff --git a/lib/python2.7/site-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/python/randbytes.py b/lib/python2.7/site-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/python/randbytes.py
deleted file mode 100755
index 63ae2dc8..00000000
--- a/lib/python2.7/site-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/python/randbytes.py
+++ /dev/null
@@ -1,131 +0,0 @@
-# -*- test-case-name: twisted.test.test_randbytes -*-
-# Copyright (c) Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-"""
-Cryptographically secure random implementation, with fallback on normal random.
-"""
-
-# System imports
-import warnings, os, random
-
-getrandbits = getattr(random, 'getrandbits', None)
-
-
-class SecureRandomNotAvailable(RuntimeError):
-    """
-    Exception raised when no secure random algorithm is found.
-    """
-
-
-
-class SourceNotAvailable(RuntimeError):
-    """
-    Internal exception used when a specific random source is not available.
-    """
-
-
-
-class RandomFactory(object):
-    """
-    Factory providing L{secureRandom} and L{insecureRandom} methods.
-
-    You shouldn't have to instantiate this class, use the module level
-    functions instead: it is an implementation detail and could be removed or
-    changed arbitrarily.
-    """
-
-    # This variable is no longer used, and will eventually be removed.
-    randomSources = ()
-
-    getrandbits = getrandbits
-
-
-    def _osUrandom(self, nbytes):
-        """
-        Wrapper around C{os.urandom} that cleanly manage its absence.
-        """
-        try:
-            return os.urandom(nbytes)
-        except (AttributeError, NotImplementedError), e:
-            raise SourceNotAvailable(e)
-
-
-    def secureRandom(self, nbytes, fallback=False):
-        """
-        Return a number of secure random bytes.
-
-        @param nbytes: number of bytes to generate.
-        @type nbytes: C{int}
-        @param fallback: Whether the function should fallback on non-secure
-            random or not.  Default to C{False}.
-        @type fallback: C{bool}
-
-        @return: a string of random bytes.
-        @rtype: C{str}
-        """
-        try:
-            return self._osUrandom(nbytes)
-        except SourceNotAvailable:
-            pass
-
-        if fallback:
-            warnings.warn(
-                "urandom unavailable - "
-                "proceeding with non-cryptographically secure random source",
-                category=RuntimeWarning,
-                stacklevel=2)
-            return self.insecureRandom(nbytes)
-        else:
-            raise SecureRandomNotAvailable("No secure random source available")
-
-
-    def _randBits(self, nbytes):
-        """
-        Wrapper around C{os.getrandbits}.
-        """
-        if self.getrandbits is not None:
-            n = self.getrandbits(nbytes * 8)
-            hexBytes = ("%%0%dx" % (nbytes * 2)) % n
-            return hexBytes.decode('hex')
-        raise SourceNotAvailable("random.getrandbits is not available")
-
-
-    def _randRange(self, nbytes):
-        """
-        Wrapper around C{random.randrange}.
-        """
-        bytes = ""
-        for i in xrange(nbytes):
-            bytes += chr(random.randrange(0, 255))
-        return bytes
-
-
-    def insecureRandom(self, nbytes):
-        """
-        Return a number of non secure random bytes.
-
-        @param nbytes: number of bytes to generate.
-        @type nbytes: C{int}
-
-        @return: a string of random bytes.
-        @rtype: C{str}
-        """
-        for src in ("_randBits", "_randRange"):
-            try:
-                return getattr(self, src)(nbytes)
-            except SourceNotAvailable:
-                pass
-
-
-
-factory = RandomFactory()
-
-secureRandom = factory.secureRandom
-
-insecureRandom = factory.insecureRandom
-
-del factory
-
-
-__all__ = ["secureRandom", "insecureRandom", "SecureRandomNotAvailable"]